| 1 | from asap.parameters import rcParams |
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| 2 | from asap.selector import selector |
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| 3 | from asap.scantable import scantable |
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| 4 | from asap.logging import asaplog, asaplog_post_dec |
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| 5 | import matplotlib.axes |
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| 6 | from matplotlib.font_manager import FontProperties |
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| 7 | from matplotlib.text import Text |
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| 8 | from matplotlib import _pylab_helpers |
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| 9 | |
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| 10 | import re |
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| 11 | |
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| 12 | def new_asaplot(visible=None,**kwargs): |
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| 13 | """ |
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| 14 | Returns a new asaplot instance based on the backend settings. |
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| 15 | """ |
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| 16 | if visible == None: |
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| 17 | visible = rcParams['plotter.gui'] |
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| 18 | |
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| 19 | backend=matplotlib.get_backend() |
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| 20 | if not visible: |
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| 21 | from asap.asaplot import asaplot |
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| 22 | elif backend == 'TkAgg': |
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| 23 | from asap.asaplotgui import asaplotgui as asaplot |
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| 24 | elif backend == 'Qt4Agg': |
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| 25 | from asap.asaplotgui_qt4 import asaplotgui as asaplot |
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| 26 | elif backend == 'GTkAgg': |
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| 27 | from asap.asaplotgui_gtk import asaplotgui as asaplot |
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| 28 | else: |
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| 29 | from asap.asaplot import asaplot |
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| 30 | return asaplot(**kwargs) |
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| 31 | |
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| 32 | class asapplotter: |
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| 33 | """ |
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| 34 | The ASAP plotter. |
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| 35 | By default the plotter is set up to plot polarisations |
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| 36 | 'colour stacked' and scantables across panels. |
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| 37 | |
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| 38 | .. note:: |
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| 39 | |
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| 40 | Currenly it only plots 'spectra' not Tsys or |
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| 41 | other variables. |
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| 42 | |
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| 43 | """ |
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| 44 | def __init__(self, visible=None , **kwargs): |
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| 45 | self._visible = rcParams['plotter.gui'] |
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| 46 | if visible is not None: |
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| 47 | self._visible = visible |
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| 48 | self._plotter = None |
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| 49 | self._inikwg = kwargs |
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| 50 | |
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| 51 | self._panelling = None |
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| 52 | self._stacking = None |
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| 53 | self.set_panelling() |
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| 54 | self.set_stacking() |
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| 55 | self._rows = None |
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| 56 | self._cols = None |
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| 57 | self._minmaxx = None |
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| 58 | self._minmaxy = None |
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| 59 | self._datamask = None |
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| 60 | self._data = None |
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| 61 | self._lmap = None |
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| 62 | self._title = None |
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| 63 | self._ordinate = None |
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| 64 | self._abcissa = None |
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| 65 | self._abcunit = None |
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| 66 | self._usermask = [] |
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| 67 | self._maskselection = None |
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| 68 | self._selection = selector() |
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| 69 | self._hist = rcParams['plotter.histogram'] |
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| 70 | self._fp = FontProperties() |
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| 71 | self._margins = self.set_margin(refresh=False) |
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| 72 | self._offset = None |
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| 73 | self._startrow = 0 |
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| 74 | self._ipanel = -1 |
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| 75 | self._panelrows = [] |
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| 76 | self._headtext={'string': None, 'textobj': None} |
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| 77 | self._colormap = None |
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| 78 | self._linestyles = None |
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| 79 | self._legendloc = None |
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| 80 | |
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| 81 | def _translate(self, instr): |
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| 82 | keys = "s b i p t r".split() |
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| 83 | if isinstance(instr, str): |
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| 84 | for key in keys: |
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| 85 | if instr.lower().startswith(key): |
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| 86 | return key |
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| 87 | return None |
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| 88 | |
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| 89 | @asaplog_post_dec |
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| 90 | def _reload_plotter(self): |
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| 91 | if self._plotter is not None: |
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| 92 | #if not self._plotter.is_dead: |
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| 93 | # # clear lines and axes |
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| 94 | # try: |
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| 95 | # self._plotter.clear() |
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| 96 | # except: # Can't remove when already killed. |
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| 97 | # pass |
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| 98 | if self.casabar_exists(): |
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| 99 | del self._plotter.figmgr.casabar |
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| 100 | self._plotter.quit() |
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| 101 | del self._plotter |
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| 102 | asaplog.push('Loading new plotter') |
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| 103 | self._plotter = new_asaplot(self._visible,**self._inikwg) |
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| 104 | self._plotter.figmgr.casabar=self._new_custombar() |
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| 105 | # just to make sure they're set |
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| 106 | self._plotter.palette(color=0,colormap=self._colormap, |
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| 107 | linestyle=0,linestyles=self._linestyles) |
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| 108 | self._plotter.legend(self._legendloc) |
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| 109 | |
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| 110 | def _new_custombar(self): |
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| 111 | backend=matplotlib.get_backend() |
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| 112 | if not self._visible: |
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| 113 | return None |
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| 114 | elif backend == "TkAgg": |
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| 115 | from asap.customgui_tkagg import CustomToolbarTkAgg |
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| 116 | return CustomToolbarTkAgg(self) |
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| 117 | elif backend == "Qt4Agg": |
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| 118 | from asap.customgui_qt4agg import CustomToolbarQT4Agg |
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| 119 | return CustomToolbarQT4Agg(self) |
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| 120 | return None |
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| 121 | |
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| 122 | def casabar_exists(self): |
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| 123 | if not hasattr(self._plotter.figmgr,'casabar'): |
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| 124 | return False |
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| 125 | elif self._plotter.figmgr.casabar: |
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| 126 | return True |
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| 127 | return False |
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| 128 | |
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| 129 | def _assert_plotter(self,action="status",errmsg=None): |
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| 130 | """ |
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| 131 | Check plot window status. Returns True if plot window is alive. |
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| 132 | Parameters |
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| 133 | action: An action to take if the plotter window is not alive. |
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| 134 | ['status'|'reload'|'halt'] |
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| 135 | The action 'status' simply returns False if asaplot |
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| 136 | is not alive. When action='reload', plot window is |
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| 137 | reloaded and the method returns True. Finally, an |
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| 138 | error is raised when action='halt'. |
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| 139 | errmsg: An error (warning) message to send to the logger, |
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| 140 | when plot window is not alive. |
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| 141 | """ |
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| 142 | isAlive = (self._plotter is not None) and self._plotter._alive() |
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| 143 | # More tests |
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| 144 | #if isAlive: |
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| 145 | # if self._plotter.figmgr: |
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| 146 | # figmgr = self._plotter.figmgr |
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| 147 | # figid = figmgr.num |
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| 148 | # # Make sure figid=0 is what asapplotter expects. |
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| 149 | # # It might be already destroied/overridden by matplotlib |
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| 150 | # # commands or other plotting methods using asaplot. |
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| 151 | # isAlive = _pylab_helpers.Gcf.has_fignum(figid) and \ |
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| 152 | # (figmgr == \ |
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| 153 | # _pylab_helpers.Gcf.get_fig_manager(figid)) |
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| 154 | # else: |
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| 155 | # isAlive = False |
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| 156 | |
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| 157 | if isAlive: |
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| 158 | return True |
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| 159 | # Plotter is not alive. |
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| 160 | haltmsg = "Plotter window has not yet been loaded or is closed." |
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| 161 | if type(errmsg)==str and len(errmsg) > 0: |
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| 162 | haltmsg = errmsg |
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| 163 | |
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| 164 | if action.upper().startswith("R"): |
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| 165 | # reload plotter |
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| 166 | self._reload_plotter() |
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| 167 | return True |
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| 168 | elif action.upper().startswith("H"): |
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| 169 | # halt |
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| 170 | asaplog.push(haltmsg) |
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| 171 | asaplog.post("ERROR") |
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| 172 | raise RuntimeError(haltmsg) |
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| 173 | else: |
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| 174 | if errmsg: |
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| 175 | asaplog.push(errmsg) |
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| 176 | asaplog.post("WARN") |
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| 177 | return False |
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| 178 | |
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| 179 | |
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| 180 | @asaplog_post_dec |
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| 181 | def plot(self, scan=None): |
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| 182 | """ |
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| 183 | Plot a scantable. |
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| 184 | Parameters: |
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| 185 | scan: a scantable |
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| 186 | Note: |
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| 187 | If a scantable was specified in a previous call |
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| 188 | to plot, no argument has to be given to 'replot' |
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| 189 | NO checking is done that the abcissas of the scantable |
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| 190 | are consistent e.g. all 'channel' or all 'velocity' etc. |
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| 191 | """ |
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| 192 | if not self._data and not scan: |
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| 193 | msg = "Input is not a scantable" |
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| 194 | raise TypeError(msg) |
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| 195 | |
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| 196 | self._assert_plotter(action="reload") |
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| 197 | self._plotter.hold() |
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| 198 | self._reset_counter() |
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| 199 | #self._plotter.clear() |
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| 200 | if scan: |
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| 201 | self.set_data(scan, refresh=False) |
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| 202 | self._plotter.palette(color=0,colormap=self._colormap, |
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| 203 | linestyle=0,linestyles=self._linestyles) |
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| 204 | self._plotter.legend(self._legendloc) |
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| 205 | self._plot(self._data) |
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| 206 | if self._minmaxy is not None: |
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| 207 | self._plotter.set_limits(ylim=self._minmaxy) |
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| 208 | if self.casabar_exists(): self._plotter.figmgr.casabar.enable_button() |
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| 209 | self._plotter.release() |
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| 210 | self._plotter.tidy() |
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| 211 | self._plotter.show(hardrefresh=False) |
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| 212 | return |
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| 213 | |
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| 214 | def gca(self): |
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| 215 | errmsg = "No axis to retun. Need to plot first." |
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| 216 | if not self._assert_plotter(action="status",errmsg=errmsg): |
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| 217 | return None |
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| 218 | return self._plotter.figure.gca() |
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| 219 | |
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| 220 | def refresh(self): |
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| 221 | """Do a soft refresh""" |
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| 222 | errmsg = "No figure to re-plot. Need to plot first." |
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| 223 | self._assert_plotter(action="halt",errmsg=errmsg) |
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| 224 | |
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| 225 | self._plotter.figure.show() |
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| 226 | |
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| 227 | def create_mask(self, nwin=1, panel=0, color=None): |
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| 228 | """ |
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| 229 | Interactively define a mask. It retruns a mask that is equivalent to |
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| 230 | the one created manually with scantable.create_mask. |
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| 231 | Parameters: |
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| 232 | nwin: The number of mask windows to create interactively |
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| 233 | default is 1. |
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| 234 | panel: Which panel to use for mask selection. This is useful |
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| 235 | if different IFs are spread over panels (default 0) |
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| 236 | """ |
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| 237 | ## this method relies on already plotted figure |
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| 238 | if not self._assert_plotter(action="status") or (self._data is None): |
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| 239 | msg = "Cannot create mask interactively on plot. Can only create mask after plotting." |
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| 240 | asaplog.push( msg ) |
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| 241 | asaplog.post( "ERROR" ) |
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| 242 | return [] |
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| 243 | outmask = [] |
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| 244 | self._plotter.subplot(panel) |
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| 245 | xmin, xmax = self._plotter.axes.get_xlim() |
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| 246 | marg = 0.05*(xmax-xmin) |
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| 247 | self._plotter.axes.set_xlim(xmin-marg, xmax+marg) |
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| 248 | self.refresh() |
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| 249 | |
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| 250 | def cleanup(lines=False, texts=False, refresh=False): |
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| 251 | if lines: |
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| 252 | del self._plotter.axes.lines[-1] |
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| 253 | if texts: |
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| 254 | del self._plotter.axes.texts[-1] |
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| 255 | if refresh: |
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| 256 | self.refresh() |
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| 257 | |
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| 258 | for w in xrange(nwin): |
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| 259 | wpos = [] |
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| 260 | self.text(0.05,1.0, "Add start boundary", |
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| 261 | coords="relative", fontsize=10) |
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| 262 | point = self._plotter.get_point() |
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| 263 | cleanup(texts=True) |
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| 264 | if point is None: |
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| 265 | continue |
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| 266 | wpos.append(point[0]) |
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| 267 | self.axvline(wpos[0], color=color) |
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| 268 | self.text(0.05,1.0, "Add end boundary", coords="relative", fontsize=10) |
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| 269 | point = self._plotter.get_point() |
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| 270 | cleanup(texts=True, lines=True) |
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| 271 | if point is None: |
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| 272 | self.refresh() |
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| 273 | continue |
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| 274 | wpos.append(point[0]) |
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| 275 | self.axvspan(wpos[0], wpos[1], alpha=0.1, |
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| 276 | edgecolor=color, facecolor=color) |
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| 277 | ymin, ymax = self._plotter.axes.get_ylim() |
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| 278 | outmask.append(wpos) |
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| 279 | |
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| 280 | self._plotter.axes.set_xlim(xmin, xmax) |
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| 281 | self.refresh() |
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| 282 | if len(outmask) > 0: |
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| 283 | return self._data.create_mask(*outmask) |
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| 284 | return [] |
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| 285 | |
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| 286 | # forwards to matplotlib axes |
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| 287 | def text(self, *args, **kwargs): |
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| 288 | self._assert_plotter(action="reload") |
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| 289 | if kwargs.has_key("interactive"): |
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| 290 | if kwargs.pop("interactive"): |
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| 291 | pos = self._plotter.get_point() |
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| 292 | args = tuple(pos)+args |
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| 293 | self._axes_callback("text", *args, **kwargs) |
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| 294 | |
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| 295 | text.__doc__ = matplotlib.axes.Axes.text.__doc__ |
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| 296 | |
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| 297 | def arrow(self, *args, **kwargs): |
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| 298 | self._assert_plotter(action="reload") |
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| 299 | if kwargs.has_key("interactive"): |
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| 300 | if kwargs.pop("interactive"): |
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| 301 | pos = self._plotter.get_region() |
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| 302 | dpos = (pos[0][0], pos[0][1], |
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| 303 | pos[1][0]-pos[0][0], |
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| 304 | pos[1][1] - pos[0][1]) |
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| 305 | args = dpos + args |
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| 306 | self._axes_callback("arrow", *args, **kwargs) |
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| 307 | |
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| 308 | arrow.__doc__ = matplotlib.axes.Axes.arrow.__doc__ |
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| 309 | |
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| 310 | def annotate(self, text, xy=None, xytext=None, **kwargs): |
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| 311 | self._assert_plotter(action="reload") |
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| 312 | if kwargs.has_key("interactive"): |
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| 313 | if kwargs.pop("interactive"): |
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| 314 | xy = self._plotter.get_point() |
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| 315 | xytext = self._plotter.get_point() |
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| 316 | if not kwargs.has_key("arrowprops"): |
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| 317 | kwargs["arrowprops"] = dict(arrowstyle="->") |
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| 318 | self._axes_callback("annotate", text, xy, xytext, **kwargs) |
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| 319 | |
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| 320 | annotate.__doc__ = matplotlib.axes.Axes.annotate.__doc__ |
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| 321 | |
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| 322 | def axvline(self, *args, **kwargs): |
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| 323 | self._assert_plotter(action="reload") |
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| 324 | if kwargs.has_key("interactive"): |
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| 325 | if kwargs.pop("interactive"): |
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| 326 | pos = self._plotter.get_point() |
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| 327 | args = (pos[0],)+args |
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| 328 | self._axes_callback("axvline", *args, **kwargs) |
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| 329 | |
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| 330 | axvline.__doc__ = matplotlib.axes.Axes.axvline.__doc__ |
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| 331 | |
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| 332 | def axhline(self, *args, **kwargs): |
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| 333 | self._assert_plotter(action="reload") |
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| 334 | if kwargs.has_key("interactive"): |
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| 335 | if kwargs.pop("interactive"): |
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| 336 | pos = self._plotter.get_point() |
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| 337 | args = (pos[1],)+args |
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| 338 | self._axes_callback("axhline", *args, **kwargs) |
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| 339 | |
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| 340 | axhline.__doc__ = matplotlib.axes.Axes.axhline.__doc__ |
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| 341 | |
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| 342 | def axvspan(self, *args, **kwargs): |
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| 343 | self._assert_plotter(action="reload") |
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| 344 | if kwargs.has_key("interactive"): |
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| 345 | if kwargs.pop("interactive"): |
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| 346 | pos = self._plotter.get_region() |
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| 347 | dpos = (pos[0][0], pos[1][0]) |
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| 348 | args = dpos + args |
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| 349 | self._axes_callback("axvspan", *args, **kwargs) |
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| 350 | # hack to preventy mpl from redrawing the patch |
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| 351 | # it seem to convert the patch into lines on every draw. |
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| 352 | # This doesn't happen in a test script??? |
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| 353 | #del self._plotter.axes.patches[-1] |
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| 354 | |
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| 355 | axvspan.__doc__ = matplotlib.axes.Axes.axvspan.__doc__ |
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| 356 | |
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| 357 | def axhspan(self, *args, **kwargs): |
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| 358 | self._assert_plotter(action="reload") |
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| 359 | if kwargs.has_key("interactive"): |
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| 360 | if kwargs.pop("interactive"): |
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| 361 | pos = self._plotter.get_region() |
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| 362 | dpos = (pos[0][1], pos[1][1]) |
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| 363 | args = dpos + args |
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| 364 | self._axes_callback("axhspan", *args, **kwargs) |
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| 365 | # hack to preventy mpl from redrawing the patch |
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| 366 | # it seem to convert the patch into lines on every draw. |
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| 367 | # This doesn't happen in a test script??? |
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| 368 | #del self._plotter.axes.patches[-1] |
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| 369 | |
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| 370 | axhspan.__doc__ = matplotlib.axes.Axes.axhspan.__doc__ |
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| 371 | |
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| 372 | def _axes_callback(self, axesfunc, *args, **kwargs): |
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| 373 | self._assert_plotter(action="reload") |
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| 374 | panel = 0 |
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| 375 | if kwargs.has_key("panel"): |
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| 376 | panel = kwargs.pop("panel") |
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| 377 | coords = None |
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| 378 | if kwargs.has_key("coords"): |
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| 379 | coords = kwargs.pop("coords") |
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| 380 | if coords.lower() == 'world': |
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| 381 | kwargs["transform"] = self._plotter.axes.transData |
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| 382 | elif coords.lower() == 'relative': |
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| 383 | kwargs["transform"] = self._plotter.axes.transAxes |
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| 384 | self._plotter.subplot(panel) |
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| 385 | self._plotter.axes.set_autoscale_on(False) |
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| 386 | getattr(self._plotter.axes, axesfunc)(*args, **kwargs) |
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| 387 | self._plotter.show(False) |
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| 388 | self._plotter.axes.set_autoscale_on(True) |
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| 389 | # end matplotlib.axes fowarding functions |
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| 390 | |
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| 391 | @asaplog_post_dec |
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| 392 | def set_data(self, scan, refresh=True): |
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| 393 | """ |
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| 394 | Set a scantable to plot. |
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| 395 | Parameters: |
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| 396 | scan: a scantable |
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| 397 | refresh: True (default) or False. If True, the plot is |
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| 398 | replotted based on the new parameter setting(s). |
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| 399 | Otherwise,the parameter(s) are set without replotting. |
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| 400 | Note: |
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| 401 | The user specified masks and data selections will be reset |
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| 402 | if a new scantable is set. This method should be called before |
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| 403 | setting data selections (set_selection) and/or masks (set_mask). |
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| 404 | """ |
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| 405 | from asap import scantable |
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| 406 | if isinstance(scan, scantable): |
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| 407 | if (self._data is not None) and (scan != self._data): |
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| 408 | del self._data |
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| 409 | msg = "A new scantable is set to the plotter. "\ |
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| 410 | "The masks and data selections are reset." |
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| 411 | asaplog.push( msg ) |
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| 412 | self._data = scan |
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| 413 | # reset |
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| 414 | self._reset() |
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| 415 | else: |
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| 416 | msg = "Input is not a scantable" |
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| 417 | raise TypeError(msg) |
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| 418 | |
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| 419 | # ranges become invalid when unit changes |
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| 420 | if self._abcunit and self._abcunit != self._data.get_unit(): |
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| 421 | self._minmaxx = None |
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| 422 | self._minmaxy = None |
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| 423 | self._abcunit = self._data.get_unit() |
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| 424 | self._datamask = None |
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| 425 | if refresh: self.plot() |
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| 426 | |
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| 427 | @asaplog_post_dec |
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| 428 | def set_mode(self, stacking=None, panelling=None, refresh=True): |
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| 429 | """ |
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| 430 | Set the plots look and feel, i.e. what you want to see on the plot. |
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| 431 | Parameters: |
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| 432 | stacking: tell the plotter which variable to plot |
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| 433 | as line colour overlays (default 'pol') |
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| 434 | panelling: tell the plotter which variable to plot |
|---|
| 435 | across multiple panels (default 'scan' |
|---|
| 436 | refresh: True (default) or False. If True, the plot is |
|---|
| 437 | replotted based on the new parameter setting(s). |
|---|
| 438 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 439 | Note: |
|---|
| 440 | Valid modes are: |
|---|
| 441 | 'beam' 'Beam' 'b': Beams |
|---|
| 442 | 'if' 'IF' 'i': IFs |
|---|
| 443 | 'pol' 'Pol' 'p': Polarisations |
|---|
| 444 | 'scan' 'Scan' 's': Scans |
|---|
| 445 | 'time' 'Time' 't': Times |
|---|
| 446 | 'row' 'Row' 'r': Rows |
|---|
| 447 | When either 'stacking' or 'panelling' is set to 'row', |
|---|
| 448 | the other parameter setting is ignored. |
|---|
| 449 | """ |
|---|
| 450 | msg = "Invalid mode" |
|---|
| 451 | if not self.set_panelling(panelling) or \ |
|---|
| 452 | not self.set_stacking(stacking): |
|---|
| 453 | raise TypeError(msg) |
|---|
| 454 | #if self._panelling == 'r': |
|---|
| 455 | # self._stacking = '_r' |
|---|
| 456 | #if self._stacking == 'r': |
|---|
| 457 | # self._panelling = '_r' |
|---|
| 458 | if refresh and self._data: self.plot(self._data) |
|---|
| 459 | return |
|---|
| 460 | |
|---|
| 461 | def set_panelling(self, what=None): |
|---|
| 462 | """Set the 'panelling' mode i.e. which type of spectra should be |
|---|
| 463 | spread across different panels. |
|---|
| 464 | """ |
|---|
| 465 | |
|---|
| 466 | mode = what |
|---|
| 467 | if mode is None: |
|---|
| 468 | mode = rcParams['plotter.panelling'] |
|---|
| 469 | md = self._translate(mode) |
|---|
| 470 | if md: |
|---|
| 471 | self._panelling = md |
|---|
| 472 | self._title = None |
|---|
| 473 | #if md == 'r': |
|---|
| 474 | # self._stacking = '_r' |
|---|
| 475 | # you need to reset counters for multi page plotting |
|---|
| 476 | self._reset_counters() |
|---|
| 477 | return True |
|---|
| 478 | return False |
|---|
| 479 | |
|---|
| 480 | def set_layout(self,rows=None,cols=None,refresh=True): |
|---|
| 481 | """ |
|---|
| 482 | Set the multi-panel layout, i.e. how many rows and columns plots |
|---|
| 483 | are visible. |
|---|
| 484 | Parameters: |
|---|
| 485 | rows: The number of rows of plots |
|---|
| 486 | cols: The number of columns of plots |
|---|
| 487 | refresh: True (default) or False. If True, the plot is |
|---|
| 488 | replotted based on the new parameter setting(s). |
|---|
| 489 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 490 | Note: |
|---|
| 491 | If no argument is given, the potter reverts to its auto-plot |
|---|
| 492 | behaviour. |
|---|
| 493 | """ |
|---|
| 494 | self._rows = rows |
|---|
| 495 | self._cols = cols |
|---|
| 496 | if refresh and self._data: self.plot(self._data) |
|---|
| 497 | return |
|---|
| 498 | |
|---|
| 499 | def set_stacking(self, what=None): |
|---|
| 500 | """Set the 'stacking' mode i.e. which type of spectra should be |
|---|
| 501 | overlayed. |
|---|
| 502 | """ |
|---|
| 503 | mode = what |
|---|
| 504 | if mode is None: |
|---|
| 505 | mode = rcParams['plotter.stacking'] |
|---|
| 506 | md = self._translate(mode) |
|---|
| 507 | if md: |
|---|
| 508 | self._stacking = md |
|---|
| 509 | self._lmap = None |
|---|
| 510 | #if md == 'r': |
|---|
| 511 | # self._panelling = '_r' |
|---|
| 512 | # you need to reset counters for multi page plotting |
|---|
| 513 | self._reset_counters() |
|---|
| 514 | return True |
|---|
| 515 | return False |
|---|
| 516 | |
|---|
| 517 | def _reset_counters(self): |
|---|
| 518 | self._startrow = 0 |
|---|
| 519 | self._ipanel = -1 |
|---|
| 520 | self._panelrows = [] |
|---|
| 521 | |
|---|
| 522 | def set_range(self,xstart=None,xend=None,ystart=None,yend=None,refresh=True, offset=None): |
|---|
| 523 | """ |
|---|
| 524 | Set the range of interest on the abcissa of the plot |
|---|
| 525 | Parameters: |
|---|
| 526 | [x,y]start,[x,y]end: The start and end points of the 'zoom' window |
|---|
| 527 | refresh: True (default) or False. If True, the plot is |
|---|
| 528 | replotted based on the new parameter setting(s). |
|---|
| 529 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 530 | offset: shift the abcissa by the given amount. The abcissa label will |
|---|
| 531 | have '(relative)' appended to it. |
|---|
| 532 | Note: |
|---|
| 533 | These become non-sensical when the unit changes. |
|---|
| 534 | use plotter.set_range() without parameters to reset |
|---|
| 535 | |
|---|
| 536 | """ |
|---|
| 537 | self._offset = offset |
|---|
| 538 | if xstart is None and xend is None: |
|---|
| 539 | self._minmaxx = None |
|---|
| 540 | else: |
|---|
| 541 | self._minmaxx = [xstart,xend] |
|---|
| 542 | if ystart is None and yend is None: |
|---|
| 543 | self._minmaxy = None |
|---|
| 544 | else: |
|---|
| 545 | self._minmaxy = [ystart,yend] |
|---|
| 546 | if refresh and self._data: self.plot(self._data) |
|---|
| 547 | return |
|---|
| 548 | |
|---|
| 549 | def set_legend(self, mp=None, fontsize = None, mode = 0, refresh=True): |
|---|
| 550 | """ |
|---|
| 551 | Specify a mapping for the legend instead of using the default |
|---|
| 552 | indices: |
|---|
| 553 | Parameters: |
|---|
| 554 | mp: a list of 'strings'. This should have the same length |
|---|
| 555 | as the number of elements on the legend and then maps |
|---|
| 556 | to the indeces in order. It is possible to uses latex |
|---|
| 557 | math expression. These have to be enclosed in r'', |
|---|
| 558 | e.g. r'$x^{2}$' |
|---|
| 559 | fontsize: The font size of the label (default None) |
|---|
| 560 | mode: where to display the legend |
|---|
| 561 | Any other value for loc else disables the legend: |
|---|
| 562 | 0: auto |
|---|
| 563 | 1: upper right |
|---|
| 564 | 2: upper left |
|---|
| 565 | 3: lower left |
|---|
| 566 | 4: lower right |
|---|
| 567 | 5: right |
|---|
| 568 | 6: center left |
|---|
| 569 | 7: center right |
|---|
| 570 | 8: lower center |
|---|
| 571 | 9: upper center |
|---|
| 572 | 10: center |
|---|
| 573 | refresh: True (default) or False. If True, the plot is |
|---|
| 574 | replotted based on the new parameter setting(s). |
|---|
| 575 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 576 | |
|---|
| 577 | Example: |
|---|
| 578 | If the data has two IFs/rest frequencies with index 0 and 1 |
|---|
| 579 | for CO and SiO: |
|---|
| 580 | plotter.set_stacking('i') |
|---|
| 581 | plotter.set_legend(['CO','SiO']) |
|---|
| 582 | plotter.plot() |
|---|
| 583 | plotter.set_legend([r'$^{12}CO$', r'SiO']) |
|---|
| 584 | """ |
|---|
| 585 | self._lmap = mp |
|---|
| 586 | #self._plotter.legend(mode) |
|---|
| 587 | self._legendloc = mode |
|---|
| 588 | if isinstance(fontsize, int): |
|---|
| 589 | from matplotlib import rc as rcp |
|---|
| 590 | rcp('legend', fontsize=fontsize) |
|---|
| 591 | if refresh and self._data: self.plot(self._data) |
|---|
| 592 | return |
|---|
| 593 | |
|---|
| 594 | def set_title(self, title=None, fontsize=None, refresh=True): |
|---|
| 595 | """ |
|---|
| 596 | Set the title of sub-plots. If multiple sub-plots are plotted, |
|---|
| 597 | multiple titles have to be specified. |
|---|
| 598 | Parameters: |
|---|
| 599 | title: a list of titles of sub-plots. |
|---|
| 600 | fontsize: a font size of titles (integer) |
|---|
| 601 | refresh: True (default) or False. If True, the plot is |
|---|
| 602 | replotted based on the new parameter setting(s). |
|---|
| 603 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 604 | Example: |
|---|
| 605 | # two panels are visible on the plotter |
|---|
| 606 | plotter.set_title(['First Panel','Second Panel']) |
|---|
| 607 | """ |
|---|
| 608 | self._title = title |
|---|
| 609 | if isinstance(fontsize, int): |
|---|
| 610 | from matplotlib import rc as rcp |
|---|
| 611 | rcp('axes', titlesize=fontsize) |
|---|
| 612 | if refresh and self._data: self.plot(self._data) |
|---|
| 613 | return |
|---|
| 614 | |
|---|
| 615 | def set_ordinate(self, ordinate=None, fontsize=None, refresh=True): |
|---|
| 616 | """ |
|---|
| 617 | Set the y-axis label of the plot. If multiple panels are plotted, |
|---|
| 618 | multiple labels have to be specified. |
|---|
| 619 | Parameters: |
|---|
| 620 | ordinate: a list of ordinate labels. None (default) let |
|---|
| 621 | data determine the labels |
|---|
| 622 | fontsize: a font size of vertical axis labels (integer) |
|---|
| 623 | refresh: True (default) or False. If True, the plot is |
|---|
| 624 | replotted based on the new parameter setting(s). |
|---|
| 625 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 626 | Example: |
|---|
| 627 | # two panels are visible on the plotter |
|---|
| 628 | plotter.set_ordinate(['First Y-Axis','Second Y-Axis']) |
|---|
| 629 | """ |
|---|
| 630 | self._ordinate = ordinate |
|---|
| 631 | if isinstance(fontsize, int): |
|---|
| 632 | from matplotlib import rc as rcp |
|---|
| 633 | rcp('axes', labelsize=fontsize) |
|---|
| 634 | rcp('ytick', labelsize=fontsize) |
|---|
| 635 | if refresh and self._data: self.plot(self._data) |
|---|
| 636 | return |
|---|
| 637 | |
|---|
| 638 | def set_abcissa(self, abcissa=None, fontsize=None, refresh=True): |
|---|
| 639 | """ |
|---|
| 640 | Set the x-axis label of the plot. If multiple panels are plotted, |
|---|
| 641 | multiple labels have to be specified. |
|---|
| 642 | Parameters: |
|---|
| 643 | abcissa: a list of abcissa labels. None (default) let |
|---|
| 644 | data determine the labels |
|---|
| 645 | fontsize: a font size of horizontal axis labels (integer) |
|---|
| 646 | refresh: True (default) or False. If True, the plot is |
|---|
| 647 | replotted based on the new parameter setting(s). |
|---|
| 648 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 649 | Example: |
|---|
| 650 | # two panels are visible on the plotter |
|---|
| 651 | plotter.set_ordinate(['First X-Axis','Second X-Axis']) |
|---|
| 652 | """ |
|---|
| 653 | self._abcissa = abcissa |
|---|
| 654 | if isinstance(fontsize, int): |
|---|
| 655 | from matplotlib import rc as rcp |
|---|
| 656 | rcp('axes', labelsize=fontsize) |
|---|
| 657 | rcp('xtick', labelsize=fontsize) |
|---|
| 658 | if refresh and self._data: self.plot(self._data) |
|---|
| 659 | return |
|---|
| 660 | |
|---|
| 661 | def set_colors(self, colmap, refresh=True): |
|---|
| 662 | """ |
|---|
| 663 | Set the colours to be used. The plotter will cycle through |
|---|
| 664 | these colours when lines are overlaid (stacking mode). |
|---|
| 665 | Parameters: |
|---|
| 666 | colmap: a list of colour names |
|---|
| 667 | refresh: True (default) or False. If True, the plot is |
|---|
| 668 | replotted based on the new parameter setting(s). |
|---|
| 669 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 670 | Example: |
|---|
| 671 | plotter.set_colors('red green blue') |
|---|
| 672 | # If for example four lines are overlaid e.g I Q U V |
|---|
| 673 | # 'I' will be 'red', 'Q' will be 'green', U will be 'blue' |
|---|
| 674 | # and 'V' will be 'red' again. |
|---|
| 675 | """ |
|---|
| 676 | #if isinstance(colmap,str): |
|---|
| 677 | # colmap = colmap.split() |
|---|
| 678 | #self._plotter.palette(0, colormap=colmap) |
|---|
| 679 | self._colormap = colmap |
|---|
| 680 | if refresh and self._data: self.plot(self._data) |
|---|
| 681 | |
|---|
| 682 | # alias for english speakers |
|---|
| 683 | set_colours = set_colors |
|---|
| 684 | |
|---|
| 685 | def set_histogram(self, hist=True, linewidth=None, refresh=True): |
|---|
| 686 | """ |
|---|
| 687 | Enable/Disable histogram-like plotting. |
|---|
| 688 | Parameters: |
|---|
| 689 | hist: True (default) or False. The fisrt default |
|---|
| 690 | is taken from the .asaprc setting |
|---|
| 691 | plotter.histogram |
|---|
| 692 | linewidth: a line width |
|---|
| 693 | refresh: True (default) or False. If True, the plot is |
|---|
| 694 | replotted based on the new parameter setting(s). |
|---|
| 695 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 696 | """ |
|---|
| 697 | self._hist = hist |
|---|
| 698 | if isinstance(linewidth, float) or isinstance(linewidth, int): |
|---|
| 699 | from matplotlib import rc as rcp |
|---|
| 700 | rcp('lines', linewidth=linewidth) |
|---|
| 701 | if refresh and self._data: self.plot(self._data) |
|---|
| 702 | |
|---|
| 703 | def set_linestyles(self, linestyles=None, linewidth=None, refresh=True): |
|---|
| 704 | """ |
|---|
| 705 | Set the linestyles to be used. The plotter will cycle through |
|---|
| 706 | these linestyles when lines are overlaid (stacking mode) AND |
|---|
| 707 | only one color has been set. |
|---|
| 708 | Parameters: |
|---|
| 709 | linestyles: a list of linestyles to use. |
|---|
| 710 | 'line', 'dashed', 'dotted', 'dashdot', |
|---|
| 711 | 'dashdotdot' and 'dashdashdot' are |
|---|
| 712 | possible |
|---|
| 713 | linewidth: a line width |
|---|
| 714 | refresh: True (default) or False. If True, the plot is |
|---|
| 715 | replotted based on the new parameter setting(s). |
|---|
| 716 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 717 | Example: |
|---|
| 718 | plotter.set_colors('black') |
|---|
| 719 | plotter.set_linestyles('line dashed dotted dashdot') |
|---|
| 720 | # If for example four lines are overlaid e.g I Q U V |
|---|
| 721 | # 'I' will be 'solid', 'Q' will be 'dashed', |
|---|
| 722 | # U will be 'dotted' and 'V' will be 'dashdot'. |
|---|
| 723 | """ |
|---|
| 724 | #if isinstance(linestyles,str): |
|---|
| 725 | # linestyles = linestyles.split() |
|---|
| 726 | #self._plotter.palette(color=0,linestyle=0,linestyles=linestyles) |
|---|
| 727 | self._linestyles = linestyles |
|---|
| 728 | if isinstance(linewidth, float) or isinstance(linewidth, int): |
|---|
| 729 | from matplotlib import rc as rcp |
|---|
| 730 | rcp('lines', linewidth=linewidth) |
|---|
| 731 | if refresh and self._data: self.plot(self._data) |
|---|
| 732 | |
|---|
| 733 | def set_font(self, refresh=True,**kwargs): |
|---|
| 734 | """ |
|---|
| 735 | Set font properties. |
|---|
| 736 | Parameters: |
|---|
| 737 | family: one of 'sans-serif', 'serif', 'cursive', 'fantasy', 'monospace' |
|---|
| 738 | style: one of 'normal' (or 'roman'), 'italic' or 'oblique' |
|---|
| 739 | weight: one of 'normal or 'bold' |
|---|
| 740 | size: the 'general' font size, individual elements can be adjusted |
|---|
| 741 | seperately |
|---|
| 742 | refresh: True (default) or False. If True, the plot is |
|---|
| 743 | replotted based on the new parameter setting(s). |
|---|
| 744 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 745 | """ |
|---|
| 746 | from matplotlib import rc as rcp |
|---|
| 747 | fdict = {} |
|---|
| 748 | for k,v in kwargs.iteritems(): |
|---|
| 749 | if v: |
|---|
| 750 | fdict[k] = v |
|---|
| 751 | self._fp = FontProperties(**fdict) |
|---|
| 752 | if refresh and self._data: self.plot(self._data) |
|---|
| 753 | |
|---|
| 754 | def set_margin(self,margin=[],refresh=True): |
|---|
| 755 | """ |
|---|
| 756 | Set margins between subplots and plot edges. |
|---|
| 757 | Parameters: |
|---|
| 758 | margin: a list of margins in figure coordinate (0-1), |
|---|
| 759 | i.e., fraction of the figure width or height. |
|---|
| 760 | The order of elements should be: |
|---|
| 761 | [left, bottom, right, top, horizontal space btw panels, |
|---|
| 762 | vertical space btw panels]. |
|---|
| 763 | refresh: True (default) or False. If True, the plot is |
|---|
| 764 | replotted based on the new parameter setting(s). |
|---|
| 765 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 766 | Note |
|---|
| 767 | * When margin is not specified, the values are reset to the defaults |
|---|
| 768 | of matplotlib. |
|---|
| 769 | * If any element is set to be None, the current value is adopted. |
|---|
| 770 | """ |
|---|
| 771 | if margin == []: self._margins=self._reset_margin() |
|---|
| 772 | else: |
|---|
| 773 | self._margins=[None]*6 |
|---|
| 774 | self._margins[0:len(margin)]=margin |
|---|
| 775 | #print "panel margin set to ",self._margins |
|---|
| 776 | if refresh and self._data: self.plot(self._data) |
|---|
| 777 | |
|---|
| 778 | def _reset_margin(self): |
|---|
| 779 | ks=map(lambda x: 'figure.subplot.'+x, |
|---|
| 780 | ['left','bottom','right','top','hspace','wspace']) |
|---|
| 781 | return map(matplotlib.rcParams.get,ks) |
|---|
| 782 | |
|---|
| 783 | def plot_lines(self, linecat=None, doppler=0.0, deltachan=10, rotate=90.0, |
|---|
| 784 | location=None): |
|---|
| 785 | """ |
|---|
| 786 | Plot a line catalog. |
|---|
| 787 | Parameters: |
|---|
| 788 | linecat: the linecatalog to plot |
|---|
| 789 | doppler: the velocity shift to apply to the frequencies |
|---|
| 790 | deltachan: the number of channels to include each side of the |
|---|
| 791 | line to determine a local maximum/minimum |
|---|
| 792 | rotate: the rotation (in degrees) for the text label (default 90.0) |
|---|
| 793 | location: the location of the line annotation from the 'top', |
|---|
| 794 | 'bottom' or alternate (None - the default) |
|---|
| 795 | Notes: |
|---|
| 796 | If the spectrum is flagged no line will be drawn in that location. |
|---|
| 797 | """ |
|---|
| 798 | errmsg = "Cannot plot spectral lines. Need to plot scantable first." |
|---|
| 799 | self._assert_plotter(action="halt",errmsg=errmsg) |
|---|
| 800 | if not self._data: |
|---|
| 801 | raise RuntimeError("No scantable has been plotted yet.") |
|---|
| 802 | from asap._asap import linecatalog |
|---|
| 803 | if not isinstance(linecat, linecatalog): |
|---|
| 804 | raise ValueError("'linecat' isn't of type linecatalog.") |
|---|
| 805 | if not self._data.get_unit().endswith("Hz"): |
|---|
| 806 | raise RuntimeError("Can only overlay linecatalogs when data is in frequency.") |
|---|
| 807 | from numpy import ma |
|---|
| 808 | for j in range(len(self._plotter.subplots)): |
|---|
| 809 | self._plotter.subplot(j) |
|---|
| 810 | lims = self._plotter.axes.get_xlim() |
|---|
| 811 | for row in range(linecat.nrow()): |
|---|
| 812 | # get_frequency returns MHz |
|---|
| 813 | base = { "GHz": 1000.0, "MHz": 1.0, "Hz": 1.0e-6 } |
|---|
| 814 | restf = linecat.get_frequency(row)/base[self._data.get_unit()] |
|---|
| 815 | c = 299792.458 |
|---|
| 816 | freq = restf*(1.0-doppler/c) |
|---|
| 817 | if lims[0] < freq < lims[1]: |
|---|
| 818 | if location is None: |
|---|
| 819 | loc = 'bottom' |
|---|
| 820 | if row%2: loc='top' |
|---|
| 821 | else: loc = location |
|---|
| 822 | maxys = [] |
|---|
| 823 | for line in self._plotter.axes.lines: |
|---|
| 824 | v = line._x |
|---|
| 825 | asc = v[0] < v[-1] |
|---|
| 826 | |
|---|
| 827 | idx = None |
|---|
| 828 | if not asc: |
|---|
| 829 | if v[len(v)-1] <= freq <= v[0]: |
|---|
| 830 | i = len(v)-1 |
|---|
| 831 | while i>=0 and v[i] < freq: |
|---|
| 832 | idx = i |
|---|
| 833 | i-=1 |
|---|
| 834 | else: |
|---|
| 835 | if v[0] <= freq <= v[len(v)-1]: |
|---|
| 836 | i = 0 |
|---|
| 837 | while i<len(v) and v[i] < freq: |
|---|
| 838 | idx = i |
|---|
| 839 | i+=1 |
|---|
| 840 | if idx is not None: |
|---|
| 841 | lower = idx - deltachan |
|---|
| 842 | upper = idx + deltachan |
|---|
| 843 | if lower < 0: lower = 0 |
|---|
| 844 | if upper > len(v): upper = len(v) |
|---|
| 845 | s = slice(lower, upper) |
|---|
| 846 | y = line._y[s] |
|---|
| 847 | maxy = ma.maximum(y) |
|---|
| 848 | if isinstance( maxy, float): |
|---|
| 849 | maxys.append(maxy) |
|---|
| 850 | if len(maxys): |
|---|
| 851 | peak = max(maxys) |
|---|
| 852 | if peak > self._plotter.axes.get_ylim()[1]: |
|---|
| 853 | loc = 'bottom' |
|---|
| 854 | else: |
|---|
| 855 | continue |
|---|
| 856 | self._plotter.vline_with_label(freq, peak, |
|---|
| 857 | linecat.get_name(row), |
|---|
| 858 | location=loc, rotate=rotate) |
|---|
| 859 | self._plotter.show(hardrefresh=False) |
|---|
| 860 | |
|---|
| 861 | |
|---|
| 862 | def save(self, filename=None, orientation=None, dpi=None): |
|---|
| 863 | """ |
|---|
| 864 | Save the plot to a file. The known formats are 'png', 'ps', 'eps'. |
|---|
| 865 | Parameters: |
|---|
| 866 | filename: The name of the output file. This is optional |
|---|
| 867 | and autodetects the image format from the file |
|---|
| 868 | suffix. If non filename is specified a file |
|---|
| 869 | called 'yyyymmdd_hhmmss.png' is created in the |
|---|
| 870 | current directory. |
|---|
| 871 | orientation: optional parameter for postscript only (not eps). |
|---|
| 872 | 'landscape', 'portrait' or None (default) are valid. |
|---|
| 873 | If None is choosen for 'ps' output, the plot is |
|---|
| 874 | automatically oriented to fill the page. |
|---|
| 875 | dpi: The dpi of the output non-ps plot |
|---|
| 876 | """ |
|---|
| 877 | errmsg = "Cannot save figure. Need to plot first." |
|---|
| 878 | self._assert_plotter(action="halt",errmsg=errmsg) |
|---|
| 879 | |
|---|
| 880 | self._plotter.save(filename,orientation,dpi) |
|---|
| 881 | return |
|---|
| 882 | |
|---|
| 883 | @asaplog_post_dec |
|---|
| 884 | def set_mask(self, mask=None, selection=None, refresh=True): |
|---|
| 885 | """ |
|---|
| 886 | Set a plotting mask for a specific polarization. |
|---|
| 887 | This is useful for masking out 'noise' Pangle outside a source. |
|---|
| 888 | Parameters: |
|---|
| 889 | mask: a mask from scantable.create_mask |
|---|
| 890 | selection: the spectra to apply the mask to. |
|---|
| 891 | refresh: True (default) or False. If True, the plot is |
|---|
| 892 | replotted based on the new parameter setting(s). |
|---|
| 893 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 894 | Example: |
|---|
| 895 | select = selector() |
|---|
| 896 | select.setpolstrings('Pangle') |
|---|
| 897 | plotter.set_mask(mymask, select) |
|---|
| 898 | """ |
|---|
| 899 | if not self._data: |
|---|
| 900 | msg = "Can only set mask after a first call to plot()" |
|---|
| 901 | raise RuntimeError(msg) |
|---|
| 902 | if len(mask): |
|---|
| 903 | if isinstance(mask, list) or isinstance(mask, tuple): |
|---|
| 904 | self._usermask = array(mask) |
|---|
| 905 | else: |
|---|
| 906 | self._usermask = mask |
|---|
| 907 | if mask is None and selection is None: |
|---|
| 908 | self._usermask = [] |
|---|
| 909 | self._maskselection = None |
|---|
| 910 | if isinstance(selection, selector): |
|---|
| 911 | self._maskselection = {'b': selection.get_beams(), |
|---|
| 912 | 's': selection.get_scans(), |
|---|
| 913 | 'i': selection.get_ifs(), |
|---|
| 914 | 'p': selection.get_pols(), |
|---|
| 915 | 't': [] } |
|---|
| 916 | else: |
|---|
| 917 | self._maskselection = None |
|---|
| 918 | if refresh: self.plot(self._data) |
|---|
| 919 | |
|---|
| 920 | def _slice_indeces(self, data): |
|---|
| 921 | mn = self._minmaxx[0] |
|---|
| 922 | mx = self._minmaxx[1] |
|---|
| 923 | asc = data[0] < data[-1] |
|---|
| 924 | start=0 |
|---|
| 925 | end = len(data)-1 |
|---|
| 926 | inc = 1 |
|---|
| 927 | if not asc: |
|---|
| 928 | start = len(data)-1 |
|---|
| 929 | end = 0 |
|---|
| 930 | inc = -1 |
|---|
| 931 | # find min index |
|---|
| 932 | #while start > 0 and data[start] < mn: |
|---|
| 933 | # start+= inc |
|---|
| 934 | minind=start |
|---|
| 935 | for ind in xrange(start,end+inc,inc): |
|---|
| 936 | if data[ind] > mn: break |
|---|
| 937 | minind=ind |
|---|
| 938 | # find max index |
|---|
| 939 | #while end > 0 and data[end] > mx: |
|---|
| 940 | # end-=inc |
|---|
| 941 | #if end > 0: end +=1 |
|---|
| 942 | maxind=end |
|---|
| 943 | for ind in xrange(end,start-inc,-inc): |
|---|
| 944 | if data[ind] < mx: break |
|---|
| 945 | maxind=ind |
|---|
| 946 | start=minind |
|---|
| 947 | end=maxind |
|---|
| 948 | if start > end: |
|---|
| 949 | return end,start+1 |
|---|
| 950 | elif start < end: |
|---|
| 951 | return start,end+1 |
|---|
| 952 | else: |
|---|
| 953 | return start,end |
|---|
| 954 | |
|---|
| 955 | def _reset(self): |
|---|
| 956 | self._usermask = [] |
|---|
| 957 | self._usermaskspectra = None |
|---|
| 958 | self._offset = None |
|---|
| 959 | self.set_selection(None, False) |
|---|
| 960 | self._reset_header() |
|---|
| 961 | |
|---|
| 962 | def _reset_header(self): |
|---|
| 963 | self._headtext={'string': None, 'textobj': None} |
|---|
| 964 | |
|---|
| 965 | def _reset_counter(self): |
|---|
| 966 | self._startrow = 0 |
|---|
| 967 | self._ipanel = -1 |
|---|
| 968 | self._reset_header() |
|---|
| 969 | self._panelrows = [] |
|---|
| 970 | if self.casabar_exists(): |
|---|
| 971 | self._plotter.figmgr.casabar.set_pagecounter(1) |
|---|
| 972 | |
|---|
| 973 | def _plot(self, scan): |
|---|
| 974 | savesel = scan.get_selection() |
|---|
| 975 | sel = savesel + self._selection |
|---|
| 976 | order = self._get_sortstring([self._panelling,self._stacking]) |
|---|
| 977 | if order: |
|---|
| 978 | sel.set_order(order) |
|---|
| 979 | scan.set_selection(sel) |
|---|
| 980 | d = {'b': scan.getbeam, 's': scan.getscan, |
|---|
| 981 | 'i': scan.getif, 'p': scan.getpol, 't': scan.get_time, |
|---|
| 982 | 'r': int}#, '_r': int} |
|---|
| 983 | |
|---|
| 984 | polmodes = dict(zip(sel.get_pols(), sel.get_poltypes())) |
|---|
| 985 | # this returns either a tuple of numbers or a length (ncycles) |
|---|
| 986 | # convert this into lengths |
|---|
| 987 | n0,nstack0 = self._get_selected_n(scan) |
|---|
| 988 | if isinstance(n0, int): n = n0 |
|---|
| 989 | else: n = len(n0) |
|---|
| 990 | if isinstance(nstack0, int): nstack = nstack0 |
|---|
| 991 | else: nstack = len(nstack0) |
|---|
| 992 | # In case of row stacking |
|---|
| 993 | rowstack = False |
|---|
| 994 | titlemode = self._panelling |
|---|
| 995 | if self._stacking == "r" and self._panelling != "r": |
|---|
| 996 | rowstack = True |
|---|
| 997 | titlemode = '_r' |
|---|
| 998 | nptot = n |
|---|
| 999 | maxpanel, maxstack = 16,16 |
|---|
| 1000 | if nstack > maxstack: |
|---|
| 1001 | msg ="Scan to be overlayed contains more than %d selections.\n" \ |
|---|
| 1002 | "Selecting first %d selections..." % (maxstack, maxstack) |
|---|
| 1003 | asaplog.push(msg) |
|---|
| 1004 | asaplog.post('WARN') |
|---|
| 1005 | nstack = min(nstack,maxstack) |
|---|
| 1006 | #n = min(n-self._ipanel-1,maxpanel) |
|---|
| 1007 | n = n-self._ipanel-1 |
|---|
| 1008 | # the number of panels in this page |
|---|
| 1009 | if self._rows and self._cols: |
|---|
| 1010 | n = min(n,self._rows*self._cols) |
|---|
| 1011 | else: |
|---|
| 1012 | n = min(n,maxpanel) |
|---|
| 1013 | |
|---|
| 1014 | firstpage = (self._ipanel < 0) |
|---|
| 1015 | #ganged = False |
|---|
| 1016 | ganged = rcParams['plotter.ganged'] |
|---|
| 1017 | if self._panelling == 'i': |
|---|
| 1018 | ganged = False |
|---|
| 1019 | if not firstpage: |
|---|
| 1020 | # not the first page just clear the axis |
|---|
| 1021 | nx = self._plotter.cols |
|---|
| 1022 | ipaxx = n - nx - 1 #the max panel id to supress x-label |
|---|
| 1023 | for ip in xrange(len(self._plotter.subplots)): |
|---|
| 1024 | self._plotter.subplot(ip) |
|---|
| 1025 | self._plotter.clear() |
|---|
| 1026 | self._plotter.axes.set_visible((ip<n)) |
|---|
| 1027 | if ganged: |
|---|
| 1028 | self._plotter.axes.xaxis.label.set_visible((ip > ipaxx)) |
|---|
| 1029 | if ip <= ipaxx: |
|---|
| 1030 | map(lambda x: x.set_visible(False), \ |
|---|
| 1031 | self._plotter.axes.get_xticklabels()) |
|---|
| 1032 | self._plotter.axes.yaxis.label.set_visible((ip % nx)==0) |
|---|
| 1033 | if ip % nx: |
|---|
| 1034 | map(lambda y: y.set_visible(False), \ |
|---|
| 1035 | self._plotter.axes.get_yticklabels()) |
|---|
| 1036 | elif (n > 1 and self._rows and self._cols): |
|---|
| 1037 | self._plotter.set_panels(rows=self._rows,cols=self._cols, |
|---|
| 1038 | nplots=n,margin=self._margins, |
|---|
| 1039 | ganged=ganged) |
|---|
| 1040 | else: |
|---|
| 1041 | self._plotter.set_panels(rows=n,cols=0,nplots=n, |
|---|
| 1042 | margin=self._margins,ganged=ganged) |
|---|
| 1043 | #r = 0 |
|---|
| 1044 | r = self._startrow |
|---|
| 1045 | nr = scan.nrow() |
|---|
| 1046 | a0,b0 = -1,-1 |
|---|
| 1047 | allxlim = [] |
|---|
| 1048 | allylim = [] |
|---|
| 1049 | #newpanel=True |
|---|
| 1050 | newpanel=False |
|---|
| 1051 | panelcount,stackcount = 0,0 |
|---|
| 1052 | # If this is not the first page |
|---|
| 1053 | if r > 0: |
|---|
| 1054 | # panelling value of the prev page |
|---|
| 1055 | a0 = d[self._panelling](r-1) |
|---|
| 1056 | # set the initial stackcount large not to plot |
|---|
| 1057 | # the start row automatically |
|---|
| 1058 | stackcount = nstack |
|---|
| 1059 | |
|---|
| 1060 | while r < nr: |
|---|
| 1061 | a = d[self._panelling](r) |
|---|
| 1062 | b = d[self._stacking](r) |
|---|
| 1063 | if a > a0 and panelcount < n: |
|---|
| 1064 | if n > 1: |
|---|
| 1065 | self._plotter.subplot(panelcount) |
|---|
| 1066 | self._plotter.palette(0) |
|---|
| 1067 | #title |
|---|
| 1068 | xlab = self._abcissa and self._abcissa[panelcount] \ |
|---|
| 1069 | or scan._getabcissalabel() |
|---|
| 1070 | if self._offset and not self._abcissa: |
|---|
| 1071 | xlab += " (relative)" |
|---|
| 1072 | ylab = self._ordinate and self._ordinate[panelcount] \ |
|---|
| 1073 | or scan._get_ordinate_label() |
|---|
| 1074 | self._plotter.set_axes('xlabel', xlab) |
|---|
| 1075 | self._plotter.set_axes('ylabel', ylab) |
|---|
| 1076 | #lbl = self._get_label(scan, r, self._panelling, self._title) |
|---|
| 1077 | lbl = self._get_label(scan, r, titlemode, self._title) |
|---|
| 1078 | if isinstance(lbl, list) or isinstance(lbl, tuple): |
|---|
| 1079 | if 0 <= panelcount < len(lbl): |
|---|
| 1080 | lbl = lbl[panelcount] |
|---|
| 1081 | else: |
|---|
| 1082 | # get default label |
|---|
| 1083 | #lbl = self._get_label(scan, r, self._panelling, None) |
|---|
| 1084 | lbl = self._get_label(scan, r, titlemode, None) |
|---|
| 1085 | self._plotter.set_axes('title',lbl) |
|---|
| 1086 | newpanel = True |
|---|
| 1087 | stackcount = 0 |
|---|
| 1088 | panelcount += 1 |
|---|
| 1089 | # save the start row to plot this panel for future revisit. |
|---|
| 1090 | if self._panelling != 'r' and \ |
|---|
| 1091 | len(self._panelrows) < self._ipanel+1+panelcount: |
|---|
| 1092 | self._panelrows += [r] |
|---|
| 1093 | |
|---|
| 1094 | #if (b > b0 or newpanel) and stackcount < nstack: |
|---|
| 1095 | if stackcount < nstack and (newpanel or \ |
|---|
| 1096 | rowstack or (a == a0 and b > b0)): |
|---|
| 1097 | y = [] |
|---|
| 1098 | if len(polmodes): |
|---|
| 1099 | y = scan._getspectrum(r, polmodes[scan.getpol(r)]) |
|---|
| 1100 | else: |
|---|
| 1101 | y = scan._getspectrum(r) |
|---|
| 1102 | # flag application |
|---|
| 1103 | mr = scan._getflagrow(r) |
|---|
| 1104 | from numpy import ma, array |
|---|
| 1105 | if mr: |
|---|
| 1106 | y = ma.masked_array(y,mask=mr) |
|---|
| 1107 | else: |
|---|
| 1108 | m = scan._getmask(r) |
|---|
| 1109 | from numpy import logical_not, logical_and |
|---|
| 1110 | if self._maskselection and len(self._usermask) == len(m): |
|---|
| 1111 | if d[self._stacking](r) in self._maskselection[self._stacking]: |
|---|
| 1112 | m = logical_and(m, self._usermask) |
|---|
| 1113 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False))) |
|---|
| 1114 | |
|---|
| 1115 | x = array(scan._getabcissa(r)) |
|---|
| 1116 | if self._offset: |
|---|
| 1117 | x += self._offset |
|---|
| 1118 | if self._minmaxx is not None: |
|---|
| 1119 | s,e = self._slice_indeces(x) |
|---|
| 1120 | x = x[s:e] |
|---|
| 1121 | y = y[s:e] |
|---|
| 1122 | if len(x) > 1024 and rcParams['plotter.decimate']: |
|---|
| 1123 | fac = len(x)/1024 |
|---|
| 1124 | x = x[::fac] |
|---|
| 1125 | y = y[::fac] |
|---|
| 1126 | llbl = self._get_label(scan, r, self._stacking, self._lmap) |
|---|
| 1127 | if isinstance(llbl, list) or isinstance(llbl, tuple): |
|---|
| 1128 | if 0 <= stackcount < len(llbl): |
|---|
| 1129 | # use user label |
|---|
| 1130 | llbl = llbl[stackcount] |
|---|
| 1131 | else: |
|---|
| 1132 | # get default label |
|---|
| 1133 | llbl = self._get_label(scan, r, self._stacking, None) |
|---|
| 1134 | self._plotter.set_line(label=llbl) |
|---|
| 1135 | plotit = self._plotter.plot |
|---|
| 1136 | if self._hist: plotit = self._plotter.hist |
|---|
| 1137 | if len(x) > 0 and not mr: |
|---|
| 1138 | plotit(x,y) |
|---|
| 1139 | xlim= self._minmaxx or [min(x),max(x)] |
|---|
| 1140 | allxlim += xlim |
|---|
| 1141 | ylim= self._minmaxy or [ma.minimum(y),ma.maximum(y)] |
|---|
| 1142 | allylim += ylim |
|---|
| 1143 | else: |
|---|
| 1144 | xlim = self._minmaxx or [] |
|---|
| 1145 | allxlim += xlim |
|---|
| 1146 | ylim= self._minmaxy or [] |
|---|
| 1147 | allylim += ylim |
|---|
| 1148 | stackcount += 1 |
|---|
| 1149 | a0=a |
|---|
| 1150 | b0=b |
|---|
| 1151 | # last in colour stack -> autoscale x |
|---|
| 1152 | if stackcount == nstack and len(allxlim) > 0: |
|---|
| 1153 | allxlim.sort() |
|---|
| 1154 | self._plotter.subplots[panelcount-1]['axes'].set_xlim([allxlim[0],allxlim[-1]]) |
|---|
| 1155 | if ganged: |
|---|
| 1156 | allxlim = [allxlim[0],allxlim[-1]] |
|---|
| 1157 | else: |
|---|
| 1158 | # clear |
|---|
| 1159 | allxlim =[] |
|---|
| 1160 | |
|---|
| 1161 | newpanel = False |
|---|
| 1162 | #a0=a |
|---|
| 1163 | #b0=b |
|---|
| 1164 | # ignore following rows |
|---|
| 1165 | if (panelcount == n and stackcount == nstack) or (r == nr-1): |
|---|
| 1166 | # last panel -> autoscale y if ganged |
|---|
| 1167 | #if rcParams['plotter.ganged'] and len(allylim) > 0: |
|---|
| 1168 | if ganged and len(allylim) > 0: |
|---|
| 1169 | allylim.sort() |
|---|
| 1170 | self._plotter.set_limits(ylim=[allylim[0],allylim[-1]]) |
|---|
| 1171 | break |
|---|
| 1172 | r+=1 # next row |
|---|
| 1173 | |
|---|
| 1174 | # save the current counter for multi-page plotting |
|---|
| 1175 | self._startrow = r+1 |
|---|
| 1176 | self._ipanel += panelcount |
|---|
| 1177 | if self.casabar_exists(): |
|---|
| 1178 | if self._ipanel >= nptot-1: |
|---|
| 1179 | self._plotter.figmgr.casabar.disable_next() |
|---|
| 1180 | else: |
|---|
| 1181 | self._plotter.figmgr.casabar.enable_next() |
|---|
| 1182 | if self._ipanel + 1 - panelcount > 0: |
|---|
| 1183 | self._plotter.figmgr.casabar.enable_prev() |
|---|
| 1184 | else: |
|---|
| 1185 | self._plotter.figmgr.casabar.disable_prev() |
|---|
| 1186 | |
|---|
| 1187 | #reset the selector to the scantable's original |
|---|
| 1188 | scan.set_selection(savesel) |
|---|
| 1189 | |
|---|
| 1190 | #temporary switch-off for older matplotlib |
|---|
| 1191 | #if self._fp is not None: |
|---|
| 1192 | if self._fp is not None and getattr(self._plotter.figure,'findobj',False): |
|---|
| 1193 | for o in self._plotter.figure.findobj(Text): |
|---|
| 1194 | if not self._headtext['textobj'] or \ |
|---|
| 1195 | not (o in self._headtext['textobj']): |
|---|
| 1196 | o.set_fontproperties(self._fp) |
|---|
| 1197 | |
|---|
| 1198 | def _get_sortstring(self, lorders): |
|---|
| 1199 | d0 = {'s': 'SCANNO', 'b': 'BEAMNO', 'i':'IFNO', |
|---|
| 1200 | 'p': 'POLNO', 'c': 'CYCLENO', 't' : 'TIME', 'r':None, '_r':None } |
|---|
| 1201 | if not (type(lorders) == list) and not (type(lorders) == tuple): |
|---|
| 1202 | return None |
|---|
| 1203 | if len(lorders) > 0: |
|---|
| 1204 | lsorts = [] |
|---|
| 1205 | for order in lorders: |
|---|
| 1206 | if order == "r": |
|---|
| 1207 | # don't sort if row panelling/stacking |
|---|
| 1208 | return None |
|---|
| 1209 | ssort = d0[order] |
|---|
| 1210 | if ssort: |
|---|
| 1211 | lsorts.append(ssort) |
|---|
| 1212 | return lsorts |
|---|
| 1213 | return None |
|---|
| 1214 | |
|---|
| 1215 | def set_selection(self, selection=None, refresh=True, **kw): |
|---|
| 1216 | """ |
|---|
| 1217 | Parameters: |
|---|
| 1218 | selection: a selector object (default unset the selection) |
|---|
| 1219 | refresh: True (default) or False. If True, the plot is |
|---|
| 1220 | replotted based on the new parameter setting(s). |
|---|
| 1221 | Otherwise,the parameter(s) are set without replotting. |
|---|
| 1222 | """ |
|---|
| 1223 | if selection is None: |
|---|
| 1224 | # reset |
|---|
| 1225 | if len(kw) == 0: |
|---|
| 1226 | self._selection = selector() |
|---|
| 1227 | else: |
|---|
| 1228 | # try keywords |
|---|
| 1229 | for k in kw: |
|---|
| 1230 | if k not in selector.fields: |
|---|
| 1231 | raise KeyError("Invalid selection key '%s', valid keys are %s" % (k, selector.fields)) |
|---|
| 1232 | self._selection = selector(**kw) |
|---|
| 1233 | elif isinstance(selection, selector): |
|---|
| 1234 | self._selection = selection |
|---|
| 1235 | else: |
|---|
| 1236 | raise TypeError("'selection' is not of type selector") |
|---|
| 1237 | |
|---|
| 1238 | order = self._get_sortstring([self._panelling,self._stacking]) |
|---|
| 1239 | if order: |
|---|
| 1240 | self._selection.set_order(order) |
|---|
| 1241 | if refresh and self._data: |
|---|
| 1242 | self.plot() |
|---|
| 1243 | |
|---|
| 1244 | def _get_selected_n(self, scan): |
|---|
| 1245 | d1 = {'b': scan.getbeamnos, 's': scan.getscannos, |
|---|
| 1246 | 'i': scan.getifnos, 'p': scan.getpolnos, 't': scan.ncycle, |
|---|
| 1247 | 'r': scan.nrow}#, '_r': False} |
|---|
| 1248 | d2 = { 'b': self._selection.get_beams(), |
|---|
| 1249 | 's': self._selection.get_scans(), |
|---|
| 1250 | 'i': self._selection.get_ifs(), |
|---|
| 1251 | 'p': self._selection.get_pols(), |
|---|
| 1252 | 't': self._selection.get_cycles(), |
|---|
| 1253 | 'r': False}#, '_r': 1} |
|---|
| 1254 | n = d2[self._panelling] or d1[self._panelling]() |
|---|
| 1255 | nstack = d2[self._stacking] or d1[self._stacking]() |
|---|
| 1256 | # handle row panelling/stacking |
|---|
| 1257 | if self._panelling == 'r': |
|---|
| 1258 | nstack = 1 |
|---|
| 1259 | elif self._stacking == 'r': |
|---|
| 1260 | n = 1 |
|---|
| 1261 | return n,nstack |
|---|
| 1262 | |
|---|
| 1263 | def _get_label(self, scan, row, mode, userlabel=None): |
|---|
| 1264 | if isinstance(userlabel, list) and len(userlabel) == 0: |
|---|
| 1265 | userlabel = " " |
|---|
| 1266 | pms = dict(zip(self._selection.get_pols(),self._selection.get_poltypes())) |
|---|
| 1267 | if len(pms): |
|---|
| 1268 | poleval = scan._getpollabel(scan.getpol(row),pms[scan.getpol(row)]) |
|---|
| 1269 | else: |
|---|
| 1270 | poleval = scan._getpollabel(scan.getpol(row),scan.poltype()) |
|---|
| 1271 | d = {'b': "Beam "+str(scan.getbeam(row)), |
|---|
| 1272 | #'s': scan._getsourcename(row), |
|---|
| 1273 | 's': "Scan "+str(scan.getscan(row))+\ |
|---|
| 1274 | " ("+str(scan._getsourcename(row))+")", |
|---|
| 1275 | 'i': "IF"+str(scan.getif(row)), |
|---|
| 1276 | 'p': poleval, |
|---|
| 1277 | 't': str(scan.get_time(row)), |
|---|
| 1278 | 'r': "row "+str(row), |
|---|
| 1279 | #'_r': str(scan.get_time(row))+",\nIF"+str(scan.getif(row))+", "+poleval+", Beam"+str(scan.getbeam(row)) } |
|---|
| 1280 | '_r': "" } |
|---|
| 1281 | return userlabel or d[mode] |
|---|
| 1282 | |
|---|
| 1283 | def plotazel(self, scan=None, outfile=None): |
|---|
| 1284 | """ |
|---|
| 1285 | plot azimuth and elevation versus time of a scantable |
|---|
| 1286 | """ |
|---|
| 1287 | visible = rcParams['plotter.gui'] |
|---|
| 1288 | from matplotlib import pylab as PL |
|---|
| 1289 | from matplotlib.dates import DateFormatter |
|---|
| 1290 | from pytz import timezone |
|---|
| 1291 | from matplotlib.dates import HourLocator, MinuteLocator,SecondLocator, DayLocator |
|---|
| 1292 | from matplotlib.ticker import MultipleLocator |
|---|
| 1293 | from numpy import array, pi |
|---|
| 1294 | if not visible or not self._visible: |
|---|
| 1295 | PL.ioff() |
|---|
| 1296 | from matplotlib.backends.backend_agg import FigureCanvasAgg |
|---|
| 1297 | PL.gcf().canvas.switch_backends(FigureCanvasAgg) |
|---|
| 1298 | self._data = scan |
|---|
| 1299 | dates = self._data.get_time(asdatetime=True) |
|---|
| 1300 | t = PL.date2num(dates) |
|---|
| 1301 | tz = timezone('UTC') |
|---|
| 1302 | PL.cla() |
|---|
| 1303 | PL.ioff() |
|---|
| 1304 | PL.clf() |
|---|
| 1305 | # Adjust subplot margins |
|---|
| 1306 | if not self._margins or len(self._margins) != 6: |
|---|
| 1307 | self.set_margin(refresh=False) |
|---|
| 1308 | lef, bot, rig, top, wsp, hsp = self._margins |
|---|
| 1309 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top, |
|---|
| 1310 | wspace=wsp,hspace=hsp) |
|---|
| 1311 | |
|---|
| 1312 | tdel = max(t) - min(t) |
|---|
| 1313 | ax = PL.subplot(2,1,1) |
|---|
| 1314 | el = array(self._data.get_elevation())*180./pi |
|---|
| 1315 | PL.ylabel('El [deg.]') |
|---|
| 1316 | dstr = dates[0].strftime('%Y/%m/%d') |
|---|
| 1317 | if tdel > 1.0: |
|---|
| 1318 | dstr2 = dates[len(dates)-1].strftime('%Y/%m/%d') |
|---|
| 1319 | dstr = dstr + " - " + dstr2 |
|---|
| 1320 | majloc = DayLocator() |
|---|
| 1321 | minloc = HourLocator(range(0,23,12)) |
|---|
| 1322 | timefmt = DateFormatter("%b%d") |
|---|
| 1323 | elif tdel > 24./60.: |
|---|
| 1324 | timefmt = DateFormatter('%H:%M') |
|---|
| 1325 | majloc = HourLocator() |
|---|
| 1326 | minloc = MinuteLocator(30) |
|---|
| 1327 | else: |
|---|
| 1328 | timefmt = DateFormatter('%H:%M') |
|---|
| 1329 | majloc = MinuteLocator(interval=5) |
|---|
| 1330 | minloc = SecondLocator(30) |
|---|
| 1331 | |
|---|
| 1332 | PL.title(dstr) |
|---|
| 1333 | if tdel == 0.0: |
|---|
| 1334 | th = (t - PL.floor(t))*24.0 |
|---|
| 1335 | PL.plot(th,el,'o',markersize=2, markerfacecolor='b', markeredgecolor='b') |
|---|
| 1336 | else: |
|---|
| 1337 | PL.plot_date(t,el,'o', markersize=2, markerfacecolor='b', markeredgecolor='b',tz=tz) |
|---|
| 1338 | #ax.grid(True) |
|---|
| 1339 | ax.xaxis.set_major_formatter(timefmt) |
|---|
| 1340 | ax.xaxis.set_major_locator(majloc) |
|---|
| 1341 | ax.xaxis.set_minor_locator(minloc) |
|---|
| 1342 | ax.yaxis.grid(True) |
|---|
| 1343 | yloc = MultipleLocator(30) |
|---|
| 1344 | ax.set_ylim(0,90) |
|---|
| 1345 | ax.yaxis.set_major_locator(yloc) |
|---|
| 1346 | if tdel > 1.0: |
|---|
| 1347 | labels = ax.get_xticklabels() |
|---|
| 1348 | # PL.setp(labels, fontsize=10, rotation=45) |
|---|
| 1349 | PL.setp(labels, fontsize=10) |
|---|
| 1350 | |
|---|
| 1351 | # Az plot |
|---|
| 1352 | az = array(self._data.get_azimuth())*180./pi |
|---|
| 1353 | if min(az) < 0: |
|---|
| 1354 | for irow in range(len(az)): |
|---|
| 1355 | if az[irow] < 0: az[irow] += 360.0 |
|---|
| 1356 | |
|---|
| 1357 | ax2 = PL.subplot(2,1,2) |
|---|
| 1358 | #PL.xlabel('Time (UT [hour])') |
|---|
| 1359 | PL.ylabel('Az [deg.]') |
|---|
| 1360 | if tdel == 0.0: |
|---|
| 1361 | PL.plot(th,az,'o',markersize=2, markeredgecolor='b',markerfacecolor='b') |
|---|
| 1362 | else: |
|---|
| 1363 | PL.plot_date(t,az,'o', markersize=2,markeredgecolor='b',markerfacecolor='b',tz=tz) |
|---|
| 1364 | ax2.xaxis.set_major_formatter(timefmt) |
|---|
| 1365 | ax2.xaxis.set_major_locator(majloc) |
|---|
| 1366 | ax2.xaxis.set_minor_locator(minloc) |
|---|
| 1367 | #ax2.grid(True) |
|---|
| 1368 | ax2.set_ylim(0,360) |
|---|
| 1369 | ax2.yaxis.grid(True) |
|---|
| 1370 | #hfmt = DateFormatter('%H') |
|---|
| 1371 | #hloc = HourLocator() |
|---|
| 1372 | yloc = MultipleLocator(60) |
|---|
| 1373 | ax2.yaxis.set_major_locator(yloc) |
|---|
| 1374 | if tdel > 1.0: |
|---|
| 1375 | labels = ax2.get_xticklabels() |
|---|
| 1376 | PL.setp(labels, fontsize=10) |
|---|
| 1377 | PL.xlabel('Time (UT [day])') |
|---|
| 1378 | else: |
|---|
| 1379 | PL.xlabel('Time (UT [hour])') |
|---|
| 1380 | |
|---|
| 1381 | PL.ion() |
|---|
| 1382 | PL.draw() |
|---|
| 1383 | if matplotlib.get_backend() == 'Qt4Agg': PL.gcf().show() |
|---|
| 1384 | if (outfile is not None): |
|---|
| 1385 | PL.savefig(outfile) |
|---|
| 1386 | |
|---|
| 1387 | |
|---|
| 1388 | def plotpointing2(self, scan=None, colorby='', showline=False, projection=''): |
|---|
| 1389 | """ |
|---|
| 1390 | plot telescope pointings |
|---|
| 1391 | Parameters: |
|---|
| 1392 | infile : input filename or scantable instance |
|---|
| 1393 | colorby : change color by either |
|---|
| 1394 | 'type'(source type)|'scan'|'if'|'pol'|'beam' |
|---|
| 1395 | showline : show dotted line |
|---|
| 1396 | projection : projection type either |
|---|
| 1397 | ''(no projection [deg])|'coord'(not implemented) |
|---|
| 1398 | """ |
|---|
| 1399 | from numpy import array, pi |
|---|
| 1400 | from asap import scantable |
|---|
| 1401 | # check for scantable |
|---|
| 1402 | if isinstance(scan, scantable): |
|---|
| 1403 | if self._data is not None: |
|---|
| 1404 | if scan != self._data: |
|---|
| 1405 | self._data = scan |
|---|
| 1406 | # reset |
|---|
| 1407 | self._reset() |
|---|
| 1408 | else: |
|---|
| 1409 | self._data = scan |
|---|
| 1410 | self._reset() |
|---|
| 1411 | if not self._data: |
|---|
| 1412 | msg = "Input is not a scantable" |
|---|
| 1413 | raise TypeError(msg) |
|---|
| 1414 | # check for color mode |
|---|
| 1415 | validtypes=['type','scan','if','pol', 'beam'] |
|---|
| 1416 | stype = None |
|---|
| 1417 | if (colorby in validtypes): |
|---|
| 1418 | stype = colorby[0] |
|---|
| 1419 | elif len(colorby) > 0: |
|---|
| 1420 | msg = "Invalid choice of 'colorby' (choices: %s)" % str(validtypes) |
|---|
| 1421 | raise ValueError(msg) |
|---|
| 1422 | self._assert_plotter(action="reload") |
|---|
| 1423 | self._plotter.hold() |
|---|
| 1424 | self._reset_counter() |
|---|
| 1425 | if self.casabar_exists(): |
|---|
| 1426 | self._plotter.figmgr.casabar.disable_button() |
|---|
| 1427 | # for now, only one plot |
|---|
| 1428 | self._plotter.set_panels(rows=1,cols=1) |
|---|
| 1429 | # first panel |
|---|
| 1430 | self._plotter.subplot(0) |
|---|
| 1431 | # first color and linestyles |
|---|
| 1432 | self._plotter.palette(0) |
|---|
| 1433 | self.gca().set_aspect('equal') |
|---|
| 1434 | basesel = scan.get_selection() |
|---|
| 1435 | attrback = self._plotter.get_line() |
|---|
| 1436 | marker = "o" |
|---|
| 1437 | if showline: |
|---|
| 1438 | basesel.set_order(["TIME"]) |
|---|
| 1439 | scan.set_selection(basesel) |
|---|
| 1440 | if not (stype in ["t", "s"]): |
|---|
| 1441 | marker += ":" |
|---|
| 1442 | self._plotter.set_line(markersize=3, markeredgewidth=0) |
|---|
| 1443 | |
|---|
| 1444 | if not stype: |
|---|
| 1445 | selIds = [""] # cheating |
|---|
| 1446 | sellab = "all points" |
|---|
| 1447 | elif stype == 't': |
|---|
| 1448 | selIds = range(15) |
|---|
| 1449 | sellab = "src type " |
|---|
| 1450 | else: |
|---|
| 1451 | selIds = getattr(self._data,'get'+colorby+'nos')() |
|---|
| 1452 | sellab = colorby.upper() |
|---|
| 1453 | selFunc = "set_"+colorby+"s" |
|---|
| 1454 | for idx in selIds: |
|---|
| 1455 | sel = selector() + basesel |
|---|
| 1456 | if stype: |
|---|
| 1457 | bid = getattr(basesel,'get_'+colorby+"s")() |
|---|
| 1458 | if (len(bid) > 0) and (not idx in bid): |
|---|
| 1459 | # base selection doesn't contain idx |
|---|
| 1460 | # Note summation of selector is logical sum if |
|---|
| 1461 | continue |
|---|
| 1462 | getattr(sel, selFunc)([idx]) |
|---|
| 1463 | if not sel.is_empty(): |
|---|
| 1464 | try: |
|---|
| 1465 | self._data.set_selection(sel) |
|---|
| 1466 | except RuntimeError, instance: |
|---|
| 1467 | if stype == 't' and str(instance).startswith("Selection contains no data."): |
|---|
| 1468 | continue |
|---|
| 1469 | else: |
|---|
| 1470 | self._data.set_selection(basesel) |
|---|
| 1471 | raise RuntimeError, instance |
|---|
| 1472 | if self._data.nrow() == 0: |
|---|
| 1473 | self._data.set_selection(basesel) |
|---|
| 1474 | continue |
|---|
| 1475 | print "Plotting direction of %s = %s" % (colorby, str(idx)) |
|---|
| 1476 | # getting data to plot |
|---|
| 1477 | dir = array(self._data.get_directionval()).transpose() |
|---|
| 1478 | ra = dir[0]*180./pi |
|---|
| 1479 | dec = dir[1]*180./pi |
|---|
| 1480 | # actual plot |
|---|
| 1481 | self._plotter.set_line(label=(sellab+str(idx))) |
|---|
| 1482 | self._plotter.plot(ra,dec,marker) |
|---|
| 1483 | |
|---|
| 1484 | # restore original selection |
|---|
| 1485 | self._data.set_selection(basesel) |
|---|
| 1486 | # need to plot scan pattern explicitly |
|---|
| 1487 | if showline and (stype in ["t", "s"]): |
|---|
| 1488 | dir = array(self._data.get_directionval()).transpose() |
|---|
| 1489 | ra = dir[0]*180./pi |
|---|
| 1490 | dec = dir[1]*180./pi |
|---|
| 1491 | self._plotter.set_line(label="scan pattern") |
|---|
| 1492 | self._plotter.plot(ra,dec,":") |
|---|
| 1493 | # set color for only this line |
|---|
| 1494 | self._plotter.lines[-1][0].set_color("gray") |
|---|
| 1495 | |
|---|
| 1496 | xlab = 'RA [deg.]' |
|---|
| 1497 | ylab = 'Declination [deg.]' |
|---|
| 1498 | self._plotter.set_axes('xlabel', xlab) |
|---|
| 1499 | self._plotter.set_axes('ylabel', ylab) |
|---|
| 1500 | self._plotter.set_axes('title', 'Telescope pointings') |
|---|
| 1501 | if stype: self._plotter.legend(self._legendloc) |
|---|
| 1502 | else: self._plotter.legend(None) |
|---|
| 1503 | # reverse x-axis |
|---|
| 1504 | xmin, xmax = self.gca().get_xlim() |
|---|
| 1505 | self._plotter.set_limits(xlim=[xmax,xmin]) |
|---|
| 1506 | |
|---|
| 1507 | self._plotter.release() |
|---|
| 1508 | self._plotter.show(hardrefresh=False) |
|---|
| 1509 | # reset line settings |
|---|
| 1510 | self._plotter.set_line(**attrback) |
|---|
| 1511 | return |
|---|
| 1512 | |
|---|
| 1513 | def plotpointing(self, scan=None, outfile=None): |
|---|
| 1514 | """ |
|---|
| 1515 | plot telescope pointings |
|---|
| 1516 | """ |
|---|
| 1517 | visible = rcParams['plotter.gui'] |
|---|
| 1518 | from matplotlib import pylab as PL |
|---|
| 1519 | from numpy import array, pi |
|---|
| 1520 | if not visible or not self._visible: |
|---|
| 1521 | PL.ioff() |
|---|
| 1522 | from matplotlib.backends.backend_agg import FigureCanvasAgg |
|---|
| 1523 | PL.gcf().canvas.switch_backends(FigureCanvasAgg) |
|---|
| 1524 | self._data = scan |
|---|
| 1525 | dir = array(self._data.get_directionval()).transpose() |
|---|
| 1526 | ra = dir[0]*180./pi |
|---|
| 1527 | dec = dir[1]*180./pi |
|---|
| 1528 | PL.cla() |
|---|
| 1529 | #PL.ioff() |
|---|
| 1530 | PL.clf() |
|---|
| 1531 | # Adjust subplot margins |
|---|
| 1532 | if not self._margins or len(self._margins) != 6: |
|---|
| 1533 | self.set_margin(refresh=False) |
|---|
| 1534 | lef, bot, rig, top, wsp, hsp = self._margins |
|---|
| 1535 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top, |
|---|
| 1536 | wspace=wsp,hspace=hsp) |
|---|
| 1537 | ax = PL.gca() |
|---|
| 1538 | #ax = PL.axes([0.1,0.1,0.8,0.8]) |
|---|
| 1539 | #ax = PL.axes([0.1,0.1,0.8,0.8]) |
|---|
| 1540 | ax.set_aspect('equal') |
|---|
| 1541 | PL.plot(ra, dec, 'b,') |
|---|
| 1542 | PL.xlabel('RA [deg.]') |
|---|
| 1543 | PL.ylabel('Declination [deg.]') |
|---|
| 1544 | PL.title('Telescope pointings') |
|---|
| 1545 | [xmin,xmax,ymin,ymax] = PL.axis() |
|---|
| 1546 | PL.axis([xmax,xmin,ymin,ymax]) |
|---|
| 1547 | PL.ion() |
|---|
| 1548 | PL.draw() |
|---|
| 1549 | if matplotlib.get_backend() == 'Qt4Agg': PL.gcf().show() |
|---|
| 1550 | if (outfile is not None): |
|---|
| 1551 | PL.savefig(outfile) |
|---|
| 1552 | |
|---|
| 1553 | # plot total power data |
|---|
| 1554 | # plotting in time is not yet implemented.. |
|---|
| 1555 | @asaplog_post_dec |
|---|
| 1556 | def plottp(self, scan=None): |
|---|
| 1557 | from asap import scantable |
|---|
| 1558 | if not self._data and not scan: |
|---|
| 1559 | msg = "Input is not a scantable" |
|---|
| 1560 | raise TypeError(msg) |
|---|
| 1561 | if isinstance(scan, scantable): |
|---|
| 1562 | if self._data is not None: |
|---|
| 1563 | if scan != self._data: |
|---|
| 1564 | self._data = scan |
|---|
| 1565 | # reset |
|---|
| 1566 | self._reset() |
|---|
| 1567 | else: |
|---|
| 1568 | self._data = scan |
|---|
| 1569 | self._reset() |
|---|
| 1570 | # ranges become invalid when abcissa changes? |
|---|
| 1571 | #if self._abcunit and self._abcunit != self._data.get_unit(): |
|---|
| 1572 | # self._minmaxx = None |
|---|
| 1573 | # self._minmaxy = None |
|---|
| 1574 | # self._abcunit = self._data.get_unit() |
|---|
| 1575 | # self._datamask = None |
|---|
| 1576 | |
|---|
| 1577 | self._assert_plotter(action="reload") |
|---|
| 1578 | self._plotter.hold() |
|---|
| 1579 | self._plotter.clear() |
|---|
| 1580 | # Adjust subplot margins |
|---|
| 1581 | if not self._margins or len(self._margins) !=6: |
|---|
| 1582 | self.set_margin(refresh=False) |
|---|
| 1583 | lef, bot, rig, top, wsp, hsp = self._margins |
|---|
| 1584 | self._plotter.figure.subplots_adjust( |
|---|
| 1585 | left=lef,bottom=bot,right=rig,top=top,wspace=wsp,hspace=hsp) |
|---|
| 1586 | if self.casabar_exists(): self._plotter.figmgr.casabar.disable_button() |
|---|
| 1587 | self._plottp(self._data) |
|---|
| 1588 | if self._minmaxy is not None: |
|---|
| 1589 | self._plotter.set_limits(ylim=self._minmaxy) |
|---|
| 1590 | self._plotter.release() |
|---|
| 1591 | self._plotter.tidy() |
|---|
| 1592 | self._plotter.show(hardrefresh=False) |
|---|
| 1593 | return |
|---|
| 1594 | |
|---|
| 1595 | def _plottp(self,scan): |
|---|
| 1596 | """ |
|---|
| 1597 | private method for plotting total power data |
|---|
| 1598 | """ |
|---|
| 1599 | from numpy import ma, array, arange, logical_not |
|---|
| 1600 | r=0 |
|---|
| 1601 | nr = scan.nrow() |
|---|
| 1602 | a0,b0 = -1,-1 |
|---|
| 1603 | allxlim = [] |
|---|
| 1604 | allylim = [] |
|---|
| 1605 | y=[] |
|---|
| 1606 | self._plotter.set_panels() |
|---|
| 1607 | self._plotter.palette(0) |
|---|
| 1608 | #title |
|---|
| 1609 | #xlab = self._abcissa and self._abcissa[panelcount] \ |
|---|
| 1610 | # or scan._getabcissalabel() |
|---|
| 1611 | #ylab = self._ordinate and self._ordinate[panelcount] \ |
|---|
| 1612 | # or scan._get_ordinate_label() |
|---|
| 1613 | xlab = self._abcissa or 'row number' #or Time |
|---|
| 1614 | ylab = self._ordinate or scan._get_ordinate_label() |
|---|
| 1615 | self._plotter.set_axes('xlabel',xlab) |
|---|
| 1616 | self._plotter.set_axes('ylabel',ylab) |
|---|
| 1617 | lbl = self._get_label(scan, r, 's', self._title) |
|---|
| 1618 | if isinstance(lbl, list) or isinstance(lbl, tuple): |
|---|
| 1619 | # if 0 <= panelcount < len(lbl): |
|---|
| 1620 | # lbl = lbl[panelcount] |
|---|
| 1621 | # else: |
|---|
| 1622 | # get default label |
|---|
| 1623 | lbl = self._get_label(scan, r, self._panelling, None) |
|---|
| 1624 | self._plotter.set_axes('title',lbl) |
|---|
| 1625 | y=array(scan._get_column(scan._getspectrum,-1)) |
|---|
| 1626 | m = array(scan._get_column(scan._getmask,-1)) |
|---|
| 1627 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False))) |
|---|
| 1628 | x = arange(len(y)) |
|---|
| 1629 | # try to handle spectral data somewhat... |
|---|
| 1630 | l,m = y.shape |
|---|
| 1631 | if m > 1: |
|---|
| 1632 | y=y.mean(axis=1) |
|---|
| 1633 | plotit = self._plotter.plot |
|---|
| 1634 | llbl = self._get_label(scan, r, self._stacking, None) |
|---|
| 1635 | self._plotter.set_line(label=llbl) |
|---|
| 1636 | if len(x) > 0: |
|---|
| 1637 | plotit(x,y) |
|---|
| 1638 | |
|---|
| 1639 | |
|---|
| 1640 | # forwards to matplotlib.Figure.text |
|---|
| 1641 | def figtext(self, *args, **kwargs): |
|---|
| 1642 | """ |
|---|
| 1643 | Add text to figure at location x,y (relative 0-1 coords). |
|---|
| 1644 | This method forwards *args and **kwargs to a Matplotlib method, |
|---|
| 1645 | matplotlib.Figure.text. |
|---|
| 1646 | See the method help for detailed information. |
|---|
| 1647 | """ |
|---|
| 1648 | self._assert_plotter(action="reload") |
|---|
| 1649 | self._plotter.text(*args, **kwargs) |
|---|
| 1650 | # end matplotlib.Figure.text forwarding function |
|---|
| 1651 | |
|---|
| 1652 | |
|---|
| 1653 | # printing header information |
|---|
| 1654 | @asaplog_post_dec |
|---|
| 1655 | def print_header(self, plot=True, fontsize=9, logger=False, selstr='', extrastr=''): |
|---|
| 1656 | """ |
|---|
| 1657 | print data (scantable) header on the plot and/or logger. |
|---|
| 1658 | To plot the header on the plot, this method should be called after |
|---|
| 1659 | plotting spectra by the method, asapplotter.plot. |
|---|
| 1660 | Parameters: |
|---|
| 1661 | plot: whether or not print header info on the plot. |
|---|
| 1662 | fontsize: header font size (valid only plot=True) |
|---|
| 1663 | logger: whether or not print header info on the logger. |
|---|
| 1664 | selstr: additional selection string (not verified) |
|---|
| 1665 | extrastr: additional string to print at the beginning (not verified) |
|---|
| 1666 | """ |
|---|
| 1667 | if not plot and not logger: |
|---|
| 1668 | return |
|---|
| 1669 | if not self._data: |
|---|
| 1670 | raise RuntimeError("No scantable has been set yet.") |
|---|
| 1671 | # Now header will be printed on plot and/or logger. |
|---|
| 1672 | # Get header information and format it. |
|---|
| 1673 | ssum=self._data._list_header() |
|---|
| 1674 | # Print Observation header to the upper-left corner of plot |
|---|
| 1675 | headstr=[ssum[0:ssum.find('Obs. Type:')]] |
|---|
| 1676 | headstr.append(ssum[ssum.find('Obs. Type:'):ssum.find('Flux Unit:')]) |
|---|
| 1677 | if extrastr != '': |
|---|
| 1678 | headstr[0]=extrastr+'\n'+headstr[0] |
|---|
| 1679 | self._headtext['extrastr'] = extrastr |
|---|
| 1680 | if selstr != '': |
|---|
| 1681 | selstr += '\n' |
|---|
| 1682 | self._headtext['selstr'] = selstr |
|---|
| 1683 | ssel=(selstr+self._data.get_selection().__str__()+self._selection.__str__() or 'none') |
|---|
| 1684 | headstr.append('***Selections***\n'+ssel) |
|---|
| 1685 | |
|---|
| 1686 | if plot: |
|---|
| 1687 | errmsg = "Can plot header only after the first call to plot()." |
|---|
| 1688 | self._assert_plotter(action="halt",errmsg=errmsg) |
|---|
| 1689 | self._plotter.hold() |
|---|
| 1690 | self._header_plot(headstr,fontsize=fontsize) |
|---|
| 1691 | #import time |
|---|
| 1692 | #self._plotter.figure.text(0.99,0.01, |
|---|
| 1693 | # time.strftime("%a %d %b %Y %H:%M:%S %Z"), |
|---|
| 1694 | # horizontalalignment='right', |
|---|
| 1695 | # verticalalignment='bottom',fontsize=8) |
|---|
| 1696 | self._plotter.release() |
|---|
| 1697 | if logger: |
|---|
| 1698 | selstr = "Selections: "+ssel |
|---|
| 1699 | asaplog.push("----------------\n Plot Summary\n----------------") |
|---|
| 1700 | asaplog.push(extrastr) |
|---|
| 1701 | asaplog.push(ssum[0:ssum.find('Selection:')]\ |
|---|
| 1702 | + selstr) |
|---|
| 1703 | self._headtext['string'] = headstr |
|---|
| 1704 | del ssel, ssum, headstr |
|---|
| 1705 | |
|---|
| 1706 | def _header_plot(self, texts, fontsize=9): |
|---|
| 1707 | self._headtext['textobj']=[] |
|---|
| 1708 | nstcol=len(texts) |
|---|
| 1709 | for i in range(nstcol): |
|---|
| 1710 | self._headtext['textobj'].append( |
|---|
| 1711 | self._plotter.figure.text(0.03+float(i)/nstcol,0.98, |
|---|
| 1712 | texts[i], |
|---|
| 1713 | horizontalalignment='left', |
|---|
| 1714 | verticalalignment='top', |
|---|
| 1715 | fontsize=fontsize)) |
|---|
| 1716 | |
|---|
| 1717 | def clear_header(self): |
|---|
| 1718 | if not self._headtext['textobj']: |
|---|
| 1719 | asaplog.push("No header has been plotted. Exit without any operation") |
|---|
| 1720 | asaplog.post("WARN") |
|---|
| 1721 | elif self._assert_plotter(action="status"): |
|---|
| 1722 | self._plotter.hold() |
|---|
| 1723 | for textobj in self._headtext['textobj']: |
|---|
| 1724 | #if textobj.get_text() in self._headstring: |
|---|
| 1725 | try: |
|---|
| 1726 | textobj.remove() |
|---|
| 1727 | except NotImplementedError: |
|---|
| 1728 | self._plotter.figure.texts.pop(self._plotter.figure.texts.index(textobj)) |
|---|
| 1729 | self._plotter.release() |
|---|
| 1730 | self._reset_header() |
|---|
| 1731 | |
|---|
| 1732 | # plot spectra by pointing |
|---|
| 1733 | @asaplog_post_dec |
|---|
| 1734 | def plotgrid(self, scan=None,center=None,spacing=None,rows=None,cols=None): |
|---|
| 1735 | """ |
|---|
| 1736 | Plot spectra based on direction. |
|---|
| 1737 | |
|---|
| 1738 | Parameters: |
|---|
| 1739 | scan: a scantable to plot |
|---|
| 1740 | center: the grid center direction (a list) of plots in the |
|---|
| 1741 | unit of DIRECTION column. |
|---|
| 1742 | (default) the center of map region |
|---|
| 1743 | spacing: a list of horizontal (R.A.) and vertical (Dec.) |
|---|
| 1744 | spacing in the unit of DIRECTION column. |
|---|
| 1745 | (default) Calculated by the extent of map region and |
|---|
| 1746 | the number of rows and cols to cover |
|---|
| 1747 | rows: number of panels (grid points) in horizontal direction |
|---|
| 1748 | cols: number of panels (grid points) in vertical direction |
|---|
| 1749 | |
|---|
| 1750 | Note: |
|---|
| 1751 | - Only the first IFNO, POLNO, and BEAM in the scantable will be |
|---|
| 1752 | plotted. |
|---|
| 1753 | - This method doesn't re-grid and average spectra in scantable. Use |
|---|
| 1754 | asapgrid module to re-grid spectra before plotting with this method. |
|---|
| 1755 | Only the first spectrum is plotted in case there are multiple |
|---|
| 1756 | spectra which belong to a grid. |
|---|
| 1757 | """ |
|---|
| 1758 | from asap import scantable |
|---|
| 1759 | from numpy import array, ma, cos |
|---|
| 1760 | if not self._data and not scan: |
|---|
| 1761 | msg = "No scantable is specified to plot" |
|---|
| 1762 | raise TypeError(msg) |
|---|
| 1763 | if scan: |
|---|
| 1764 | self.set_data(scan, refresh=False) |
|---|
| 1765 | del scan |
|---|
| 1766 | |
|---|
| 1767 | # Rows and cols |
|---|
| 1768 | if rows: |
|---|
| 1769 | self._rows = int(rows) |
|---|
| 1770 | else: |
|---|
| 1771 | msg = "Number of rows to plot are not specified. " |
|---|
| 1772 | if self._rows: |
|---|
| 1773 | msg += "Using previous value = %d" % (self._rows) |
|---|
| 1774 | asaplog.push(msg) |
|---|
| 1775 | else: |
|---|
| 1776 | self._rows = 1 |
|---|
| 1777 | msg += "Setting rows = %d" % (self._rows) |
|---|
| 1778 | asaplog.post() |
|---|
| 1779 | asaplog.push(msg) |
|---|
| 1780 | asaplog.post("WARN") |
|---|
| 1781 | if cols: |
|---|
| 1782 | self._cols = int(cols) |
|---|
| 1783 | else: |
|---|
| 1784 | msg = "Number of cols to plot are not specified. " |
|---|
| 1785 | if self._cols: |
|---|
| 1786 | msg += "Using previous value = %d" % (self._cols) |
|---|
| 1787 | asaplog.push(msg) |
|---|
| 1788 | else: |
|---|
| 1789 | self._cols = 1 |
|---|
| 1790 | msg += "Setting cols = %d" % (self._cols) |
|---|
| 1791 | asaplog.post() |
|---|
| 1792 | asaplog.push(msg) |
|---|
| 1793 | asaplog.post("WARN") |
|---|
| 1794 | |
|---|
| 1795 | # Center and spacing |
|---|
| 1796 | dirarr = array(self._data.get_directionval()).transpose() |
|---|
| 1797 | print "Pointing range: (x, y) = (%f - %f, %f - %f)" %\ |
|---|
| 1798 | (dirarr[0].min(),dirarr[0].max(),dirarr[1].min(),dirarr[1].max()) |
|---|
| 1799 | dircent = [0.5*(dirarr[0].max() + dirarr[0].min()), |
|---|
| 1800 | 0.5*(dirarr[1].max() + dirarr[1].min())] |
|---|
| 1801 | del dirarr |
|---|
| 1802 | if center is None: |
|---|
| 1803 | #asaplog.post() |
|---|
| 1804 | asaplog.push("Grid center is not specified. Automatically calculated from pointing center.") |
|---|
| 1805 | #asaplog.post("WARN") |
|---|
| 1806 | #center = [dirarr[0].mean(), dirarr[1].mean()] |
|---|
| 1807 | center = dircent |
|---|
| 1808 | elif (type(center) in (list, tuple)) and len(center) > 1: |
|---|
| 1809 | from numpy import pi |
|---|
| 1810 | # make sure center_x is in +-pi of pointing center |
|---|
| 1811 | # (assumes dirs are in rad) |
|---|
| 1812 | rotnum = round(abs(center[0] - dircent[0])/(2*pi)) |
|---|
| 1813 | if center[0] < dircent[0]: rotnum *= -1 |
|---|
| 1814 | cenx = center[0] - rotnum*2*pi |
|---|
| 1815 | center = [cenx, center[1]] |
|---|
| 1816 | else: |
|---|
| 1817 | msg = "Direction of grid center should be a list of float (R.A., Dec.)" |
|---|
| 1818 | raise ValueError, msg |
|---|
| 1819 | asaplog.push("Grid center: (%f, %f) " % (center[0],center[1])) |
|---|
| 1820 | |
|---|
| 1821 | if spacing is None: |
|---|
| 1822 | #asaplog.post() |
|---|
| 1823 | asaplog.push("Grid spacing not specified. Automatically calculated from map coverage") |
|---|
| 1824 | #asaplog.post("WARN") |
|---|
| 1825 | # automatically get spacing |
|---|
| 1826 | dirarr = array(self._data.get_directionval()).transpose() |
|---|
| 1827 | wx = 2. * max(abs(dirarr[0].max()-center[0]), |
|---|
| 1828 | abs(dirarr[0].min()-center[0])) |
|---|
| 1829 | wy = 2. * max(abs(dirarr[1].max()-center[1]), |
|---|
| 1830 | abs(dirarr[1].min()-center[1])) |
|---|
| 1831 | ## slightly expand area to plot the edges |
|---|
| 1832 | #wx *= 1.1 |
|---|
| 1833 | #wy *= 1.1 |
|---|
| 1834 | xgrid = wx/max(self._cols-1.,1.) |
|---|
| 1835 | #xgrid = wx/float(max(self._cols,1.)) |
|---|
| 1836 | xgrid *= cos(center[1]) |
|---|
| 1837 | ygrid = wy/max(self._rows-1.,1.) |
|---|
| 1838 | #ygrid = wy/float(max(self._rows,1.)) |
|---|
| 1839 | # single pointing (identical R.A. and/or Dec. for all spectra.) |
|---|
| 1840 | if xgrid == 0: |
|---|
| 1841 | xgrid = 1. |
|---|
| 1842 | if ygrid == 0: |
|---|
| 1843 | ygrid = 1. |
|---|
| 1844 | # spacing should be negative to transpose plot |
|---|
| 1845 | spacing = [- xgrid, - ygrid] |
|---|
| 1846 | del dirarr, xgrid, ygrid |
|---|
| 1847 | #elif isinstance(spacing, str): |
|---|
| 1848 | # # spacing is a quantity |
|---|
| 1849 | elif (type(spacing) in (list, tuple)) and len(spacing) > 1: |
|---|
| 1850 | for i in xrange(2): |
|---|
| 1851 | val = spacing[i] |
|---|
| 1852 | if not isinstance(val, float): |
|---|
| 1853 | raise TypeError("spacing should be a list of float") |
|---|
| 1854 | if val > 0.: |
|---|
| 1855 | spacing[i] = -val |
|---|
| 1856 | spacing = spacing[0:2] |
|---|
| 1857 | else: |
|---|
| 1858 | msg = "Invalid spacing." |
|---|
| 1859 | raise TypeError(msg) |
|---|
| 1860 | asaplog.push("Spacing: (%f, %f) (projected)" % (spacing[0],spacing[1])) |
|---|
| 1861 | |
|---|
| 1862 | ntotpl = self._rows * self._cols |
|---|
| 1863 | ifs = self._data.getifnos() |
|---|
| 1864 | if len(ifs) > 1: |
|---|
| 1865 | msg = "Found multiple IFs in scantable. Only the first IF (IFNO=%d) will be plotted." % ifs[0] |
|---|
| 1866 | asaplog.post() |
|---|
| 1867 | asaplog.push(msg) |
|---|
| 1868 | asaplog.post("WARN") |
|---|
| 1869 | pols = self._data.getpolnos() |
|---|
| 1870 | if len(pols) > 1: |
|---|
| 1871 | msg = "Found multiple POLs in scantable. Only the first POL (POLNO=%d) will be plotted." % pols[0] |
|---|
| 1872 | asaplog.post() |
|---|
| 1873 | asaplog.push(msg) |
|---|
| 1874 | asaplog.post("WARN") |
|---|
| 1875 | beams = self._data.getbeamnos() |
|---|
| 1876 | if len(beams) > 1: |
|---|
| 1877 | msg = "Found multiple BEAMs in scantable. Only the first BEAM (BEAMNO=%d) will be plotted." % beams[0] |
|---|
| 1878 | asaplog.post() |
|---|
| 1879 | asaplog.push(msg) |
|---|
| 1880 | asaplog.post("WARN") |
|---|
| 1881 | self._data.set_selection(ifs=[ifs[0]],pols=[pols[0]],beams=[beams[0]]) |
|---|
| 1882 | if self._data.nrow() > ntotpl: |
|---|
| 1883 | msg = "Scantable is finely sampled than plotting grids. "\ |
|---|
| 1884 | + "Only the first spectrum is plotted in each grid." |
|---|
| 1885 | asaplog.post() |
|---|
| 1886 | asaplog.push(msg) |
|---|
| 1887 | asaplog.post("WARN") |
|---|
| 1888 | |
|---|
| 1889 | self._assert_plotter(action="reload") |
|---|
| 1890 | self._plotter.hold() |
|---|
| 1891 | self._reset_counter() |
|---|
| 1892 | self._plotter.legend() |
|---|
| 1893 | |
|---|
| 1894 | # Adjust subplot margins |
|---|
| 1895 | if not self._margins or len(self._margins) !=6: |
|---|
| 1896 | self.set_margin(refresh=False) |
|---|
| 1897 | self._plotter.set_panels(rows=self._rows,cols=self._cols, |
|---|
| 1898 | nplots=ntotpl,margin=self._margins,ganged=True) |
|---|
| 1899 | if self.casabar_exists(): |
|---|
| 1900 | self._plotter.figmgr.casabar.enable_button() |
|---|
| 1901 | # Plot helper |
|---|
| 1902 | from asap._asap import plothelper as plhelper |
|---|
| 1903 | ph = plhelper(self._data) |
|---|
| 1904 | ph.set_gridval(self._cols, self._rows, spacing[0], spacing[1], |
|---|
| 1905 | center[0], center[1], epoch="J2000", projname="SIN") |
|---|
| 1906 | # Actual plot |
|---|
| 1907 | npl = 0 |
|---|
| 1908 | for irow in range(self._data.nrow()): |
|---|
| 1909 | (ix, iy) = ph.get_gpos(irow) |
|---|
| 1910 | #print("asapplotter.plotgrid: (ix, iy) = (%f, %f)" % (ix, iy)) |
|---|
| 1911 | if ix < 0 or ix >= self._cols: |
|---|
| 1912 | #print "Row %d : Out of X-range (x = %f) ... skipped" % (irow, pos[0]) |
|---|
| 1913 | continue |
|---|
| 1914 | ix = int(ix) |
|---|
| 1915 | if iy < 0 or iy >= self._rows: |
|---|
| 1916 | #print "Row %d : Out of Y-range (y = %f) ... skipped" % (irow,pos[1]) |
|---|
| 1917 | continue |
|---|
| 1918 | iy = int(iy) |
|---|
| 1919 | ipanel = ix + iy*self._rows |
|---|
| 1920 | #print("Resolved panel Id (%d, %d): %d" % (ix, iy, ipanel)) |
|---|
| 1921 | if len(self._plotter.subplots[ipanel]['lines']) > 0: |
|---|
| 1922 | #print "Row %d : panel %d lready plotted ... skipped" % (irow,ipanel) |
|---|
| 1923 | # a spectrum already plotted in the panel |
|---|
| 1924 | continue |
|---|
| 1925 | # Plotting this row |
|---|
| 1926 | #print "PLOTTING row %d (panel=%d)" % (irow, ipanel) |
|---|
| 1927 | npl += 1 |
|---|
| 1928 | self._plotter.subplot(ipanel) |
|---|
| 1929 | self._plotter.palette(0,colormap=self._colormap, \ |
|---|
| 1930 | linestyle=0,linestyles=self._linestyles) |
|---|
| 1931 | xlab = self._abcissa and self._abcissa[ipanel] \ |
|---|
| 1932 | or self._data._getabcissalabel(irow) |
|---|
| 1933 | if self._offset and not self._abcissa: |
|---|
| 1934 | xlab += " (relative)" |
|---|
| 1935 | ylab = self._ordinate and self._ordinate[ipanel] \ |
|---|
| 1936 | or self._data._get_ordinate_label() |
|---|
| 1937 | self._plotter.set_axes('xlabel', xlab) |
|---|
| 1938 | self._plotter.set_axes('ylabel', ylab) |
|---|
| 1939 | lbl = self._data.get_direction(irow) |
|---|
| 1940 | self._plotter.set_axes('title',lbl) |
|---|
| 1941 | |
|---|
| 1942 | y = self._data._getspectrum(irow) |
|---|
| 1943 | # flag application |
|---|
| 1944 | mr = self._data._getflagrow(irow) |
|---|
| 1945 | if mr: # FLAGROW=True |
|---|
| 1946 | y = ma.masked_array(y,mask=mr) |
|---|
| 1947 | else: |
|---|
| 1948 | m = self._data._getmask(irow) |
|---|
| 1949 | from numpy import logical_not, logical_and |
|---|
| 1950 | ### user mask is not available so far |
|---|
| 1951 | #if self._maskselection and len(self._usermask) == len(m): |
|---|
| 1952 | # if d[self._stacking](irow) in self._maskselection[self._stacking]: |
|---|
| 1953 | # m = logical_and(m, self._usermask) |
|---|
| 1954 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False))) |
|---|
| 1955 | |
|---|
| 1956 | x = array(self._data._getabcissa(irow)) |
|---|
| 1957 | if self._offset: |
|---|
| 1958 | x += self._offset |
|---|
| 1959 | if self._minmaxx is not None: |
|---|
| 1960 | s,e = self._slice_indeces(x) |
|---|
| 1961 | x = x[s:e] |
|---|
| 1962 | y = y[s:e] |
|---|
| 1963 | if len(x) > 1024 and rcParams['plotter.decimate']: |
|---|
| 1964 | fac = len(x)/1024 |
|---|
| 1965 | x = x[::fac] |
|---|
| 1966 | y = y[::fac] |
|---|
| 1967 | self._plotter.set_line(label=lbl) |
|---|
| 1968 | plotit = self._plotter.plot |
|---|
| 1969 | if self._hist: plotit = self._plotter.hist |
|---|
| 1970 | if len(x) > 0 and not mr: |
|---|
| 1971 | plotit(x,y) |
|---|
| 1972 | # xlim= self._minmaxx or [min(x),max(x)] |
|---|
| 1973 | # allxlim += xlim |
|---|
| 1974 | # ylim= self._minmaxy or [ma.minimum(y),ma.maximum(y)] |
|---|
| 1975 | # allylim += ylim |
|---|
| 1976 | # else: |
|---|
| 1977 | # xlim = self._minmaxx or [] |
|---|
| 1978 | # allxlim += xlim |
|---|
| 1979 | # ylim= self._minmaxy or [] |
|---|
| 1980 | # allylim += ylim |
|---|
| 1981 | |
|---|
| 1982 | if npl >= ntotpl: |
|---|
| 1983 | break |
|---|
| 1984 | |
|---|
| 1985 | if self._minmaxy is not None: |
|---|
| 1986 | self._plotter.set_limits(ylim=self._minmaxy) |
|---|
| 1987 | self._plotter.release() |
|---|
| 1988 | self._plotter.tidy() |
|---|
| 1989 | self._plotter.show(hardrefresh=False) |
|---|
| 1990 | return |
|---|
