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