| [1824] | 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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| [1862] | 4 | from asap.logging import asaplog, asaplog_post_dec
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| [1153] | 5 | import matplotlib.axes
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| [1556] | 6 | from matplotlib.font_manager import FontProperties
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| 7 | from matplotlib.text import Text
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| [2535] | 8 | from matplotlib import _pylab_helpers
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| [1556] | 9 |
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| [1317] | 10 | import re
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| [203] | 11 |
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| [2150] | 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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| [203] | 32 | class asapplotter:
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| [226] | 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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| [1858] | 37 |
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| 38 | .. note::
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| 39 |
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| [226] | 40 | Currenly it only plots 'spectra' not Tsys or
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| 41 | other variables.
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| [1858] | 42 |
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| [226] | 43 | """
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| [1563] | 44 | def __init__(self, visible=None , **kwargs):
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| [734] | 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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| [2451] | 48 | self._plotter = None
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| 49 | self._inikwg = kwargs
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| [710] | 50 |
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| [554] | 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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| [377] | 55 | self._rows = None
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| 56 | self._cols = None
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| [525] | 57 | self._minmaxx = None
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| 58 | self._minmaxy = None
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| [710] | 59 | self._datamask = None
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| [203] | 60 | self._data = None
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| [607] | 61 | self._lmap = None
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| [226] | 62 | self._title = None
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| [257] | 63 | self._ordinate = None
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| 64 | self._abcissa = None
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| [709] | 65 | self._abcunit = None
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| [920] | 66 | self._usermask = []
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| 67 | self._maskselection = None
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| 68 | self._selection = selector()
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| [1023] | 69 | self._hist = rcParams['plotter.histogram']
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| [1556] | 70 | self._fp = FontProperties()
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| [2037] | 71 | self._margins = self.set_margin(refresh=False)
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| [1897] | 72 | self._offset = None
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| [1981] | 73 | self._startrow = 0
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| 74 | self._ipanel = -1
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| 75 | self._panelrows = []
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| [2053] | 76 | self._headtext={'string': None, 'textobj': None}
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| [2451] | 77 | self._colormap = None
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| 78 | self._linestyles = None
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| 79 | self._legendloc = None
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| [1023] | 80 |
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| [920] | 81 | def _translate(self, instr):
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| [1910] | 82 | keys = "s b i p t r".split()
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| [920] | 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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| [2535] | 89 | @asaplog_post_dec
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| [2451] | 90 | def _reload_plotter(self):
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| 91 | if self._plotter is not None:
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| [2535] | 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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| [2451] | 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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| [2535] | 102 | asaplog.push('Loading new plotter')
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| [2451] | 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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| [710] | 109 |
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| [2173] | 110 | def _new_custombar(self):
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| [1819] | 111 | backend=matplotlib.get_backend()
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| [2168] | 112 | if not self._visible:
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| 113 | return None
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| 114 | elif backend == "TkAgg":
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| [2155] | 115 | from asap.customgui_tkagg import CustomToolbarTkAgg
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| [1819] | 116 | return CustomToolbarTkAgg(self)
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| [2168] | 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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| [1995] | 120 | return None
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| [1819] | 121 |
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| [2147] | 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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| [2453] | 129 | def _assert_plotter(self,action="status",errmsg=None):
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| [2451] | 130 | """
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| [2453] | 131 | Check plot window status. Returns True if plot window is alive.
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| [2451] | 132 | Parameters
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| [2453] | 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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| [2451] | 139 | errmsg: An error (warning) message to send to the logger,
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| [2453] | 140 | when plot window is not alive.
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| [2451] | 141 | """
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| [2538] | 142 | isAlive = (self._plotter is not None) and self._plotter._alive()
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| [2535] | 143 | # More tests
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| [2538] | 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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| [2535] | 156 |
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| 157 | if isAlive:
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| [2451] | 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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| [2453] | 164 | if action.upper().startswith("R"):
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| [2451] | 165 | # reload plotter
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| 166 | self._reload_plotter()
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| 167 | return True
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| [2453] | 168 | elif action.upper().startswith("H"):
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| [2451] | 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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| [1862] | 180 | @asaplog_post_dec
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| [935] | 181 | def plot(self, scan=None):
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| [203] | 182 | """
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| [920] | 183 | Plot a scantable.
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| [203] | 184 | Parameters:
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| [920] | 185 | scan: a scantable
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| [203] | 186 | Note:
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| [920] | 187 | If a scantable was specified in a previous call
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| [203] | 188 | to plot, no argument has to be given to 'replot'
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| [920] | 189 | NO checking is done that the abcissas of the scantable
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| [203] | 190 | are consistent e.g. all 'channel' or all 'velocity' etc.
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| 191 | """
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| [2451] | 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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| [1981] | 195 | self._startrow = 0
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| 196 | self._ipanel = -1
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| [2056] | 197 | self._reset_header()
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| [2451] | 198 | self._panelrows = []
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| 199 |
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| [2453] | 200 | self._assert_plotter(action="reload")
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| [2147] | 201 | if self.casabar_exists():
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| [1984] | 202 | self._plotter.figmgr.casabar.set_pagecounter(1)
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| [2451] | 203 |
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| [600] | 204 | self._plotter.hold()
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| [1945] | 205 | #self._plotter.clear()
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| [1897] | 206 | if scan:
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| 207 | self.set_data(scan, refresh=False)
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| [2451] | 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 |
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| [920] | 212 | self._plot(self._data)
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| [709] | 213 | if self._minmaxy is not None:
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| 214 | self._plotter.set_limits(ylim=self._minmaxy)
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| [2147] | 215 | if self.casabar_exists(): self._plotter.figmgr.casabar.enable_button()
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| [203] | 216 | self._plotter.release()
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| [1153] | 217 | self._plotter.tidy()
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| 218 | self._plotter.show(hardrefresh=False)
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| [203] | 219 | return
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| 220 |
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| [1572] | 221 | def gca(self):
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| [2451] | 222 | errmsg = "No axis to retun. Need to plot first."
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| [2453] | 223 | if not self._assert_plotter(action="status",errmsg=errmsg):
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| [2451] | 224 | return None
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| [1572] | 225 | return self._plotter.figure.gca()
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| 226 |
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| [1550] | 227 | def refresh(self):
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| [1572] | 228 | """Do a soft refresh"""
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| [2451] | 229 | errmsg = "No figure to re-plot. Need to plot first."
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| [2453] | 230 | self._assert_plotter(action="halt",errmsg=errmsg)
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| [2451] | 231 |
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| [1550] | 232 | self._plotter.figure.show()
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| 233 |
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| [1555] | 234 | def create_mask(self, nwin=1, panel=0, color=None):
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| [1597] | 235 | """
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| [1927] | 236 | Interactively define a mask. It retruns a mask that is equivalent to
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| [1597] | 237 | the one created manually with scantable.create_mask.
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| 238 | Parameters:
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| 239 | nwin: The number of mask windows to create interactively
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| 240 | default is 1.
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| 241 | panel: Which panel to use for mask selection. This is useful
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| 242 | if different IFs are spread over panels (default 0)
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| 243 | """
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| [2451] | 244 | ## this method relies on already plotted figure
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| [2453] | 245 | if not self._assert_plotter(action="status") or (self._data is None):
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| [2451] | 246 | msg = "Cannot create mask interactively on plot. Can only create mask after plotting."
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| 247 | asaplog.push( msg )
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| 248 | asaplog.post( "ERROR" )
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| [1555] | 249 | return []
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| [1547] | 250 | outmask = []
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| [1549] | 251 | self._plotter.subplot(panel)
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| 252 | xmin, xmax = self._plotter.axes.get_xlim()
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| [1548] | 253 | marg = 0.05*(xmax-xmin)
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| [1549] | 254 | self._plotter.axes.set_xlim(xmin-marg, xmax+marg)
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| [1550] | 255 | self.refresh()
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| [1695] | 256 |
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| [1555] | 257 | def cleanup(lines=False, texts=False, refresh=False):
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| 258 | if lines:
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| 259 | del self._plotter.axes.lines[-1]
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| 260 | if texts:
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| 261 | del self._plotter.axes.texts[-1]
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| 262 | if refresh:
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| 263 | self.refresh()
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| 264 |
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| 265 | for w in xrange(nwin):
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| [1547] | 266 | wpos = []
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| [1695] | 267 | self.text(0.05,1.0, "Add start boundary",
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| [1555] | 268 | coords="relative", fontsize=10)
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| 269 | point = self._plotter.get_point()
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| 270 | cleanup(texts=True)
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| 271 | if point is None:
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| 272 | continue
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| 273 | wpos.append(point[0])
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| [1695] | 274 | self.axvline(wpos[0], color=color)
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| [1551] | 275 | self.text(0.05,1.0, "Add end boundary", coords="relative", fontsize=10)
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| [1555] | 276 | point = self._plotter.get_point()
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| 277 | cleanup(texts=True, lines=True)
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| 278 | if point is None:
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| 279 | self.refresh()
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| 280 | continue
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| 281 | wpos.append(point[0])
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| 282 | self.axvspan(wpos[0], wpos[1], alpha=0.1,
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| 283 | edgecolor=color, facecolor=color)
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| 284 | ymin, ymax = self._plotter.axes.get_ylim()
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| [1547] | 285 | outmask.append(wpos)
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| [1153] | 286 |
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| [1555] | 287 | self._plotter.axes.set_xlim(xmin, xmax)
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| 288 | self.refresh()
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| 289 | if len(outmask) > 0:
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| 290 | return self._data.create_mask(*outmask)
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| 291 | return []
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| 292 |
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| [1153] | 293 | # forwards to matplotlib axes
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| 294 | def text(self, *args, **kwargs):
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| [2453] | 295 | self._assert_plotter(action="reload")
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| [1547] | 296 | if kwargs.has_key("interactive"):
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| 297 | if kwargs.pop("interactive"):
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| 298 | pos = self._plotter.get_point()
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| 299 | args = tuple(pos)+args
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| [1153] | 300 | self._axes_callback("text", *args, **kwargs)
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| [1547] | 301 |
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| [1358] | 302 | text.__doc__ = matplotlib.axes.Axes.text.__doc__
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| [1559] | 303 |
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| [1153] | 304 | def arrow(self, *args, **kwargs):
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| [2453] | 305 | self._assert_plotter(action="reload")
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| [1547] | 306 | if kwargs.has_key("interactive"):
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| 307 | if kwargs.pop("interactive"):
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| 308 | pos = self._plotter.get_region()
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| 309 | dpos = (pos[0][0], pos[0][1],
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| 310 | pos[1][0]-pos[0][0],
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| 311 | pos[1][1] - pos[0][1])
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| 312 | args = dpos + args
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| [1153] | 313 | self._axes_callback("arrow", *args, **kwargs)
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| [1547] | 314 |
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| [1358] | 315 | arrow.__doc__ = matplotlib.axes.Axes.arrow.__doc__
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| [1559] | 316 |
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| 317 | def annotate(self, text, xy=None, xytext=None, **kwargs):
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| [2453] | 318 | self._assert_plotter(action="reload")
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| [1559] | 319 | if kwargs.has_key("interactive"):
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| 320 | if kwargs.pop("interactive"):
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| 321 | xy = self._plotter.get_point()
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| 322 | xytext = self._plotter.get_point()
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| 323 | if not kwargs.has_key("arrowprops"):
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| 324 | kwargs["arrowprops"] = dict(arrowstyle="->")
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| 325 | self._axes_callback("annotate", text, xy, xytext, **kwargs)
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| 326 |
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| 327 | annotate.__doc__ = matplotlib.axes.Axes.annotate.__doc__
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| 328 |
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| [1153] | 329 | def axvline(self, *args, **kwargs):
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| [2453] | 330 | self._assert_plotter(action="reload")
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| [1547] | 331 | if kwargs.has_key("interactive"):
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| 332 | if kwargs.pop("interactive"):
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| 333 | pos = self._plotter.get_point()
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| 334 | args = (pos[0],)+args
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| [1153] | 335 | self._axes_callback("axvline", *args, **kwargs)
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| [1559] | 336 |
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| [1358] | 337 | axvline.__doc__ = matplotlib.axes.Axes.axvline.__doc__
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| [1547] | 338 |
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| [1153] | 339 | def axhline(self, *args, **kwargs):
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| [2453] | 340 | self._assert_plotter(action="reload")
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| [1547] | 341 | if kwargs.has_key("interactive"):
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| 342 | if kwargs.pop("interactive"):
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| 343 | pos = self._plotter.get_point()
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| 344 | args = (pos[1],)+args
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| [1153] | 345 | self._axes_callback("axhline", *args, **kwargs)
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| [1559] | 346 |
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| [1358] | 347 | axhline.__doc__ = matplotlib.axes.Axes.axhline.__doc__
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| [1547] | 348 |
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| [1153] | 349 | def axvspan(self, *args, **kwargs):
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| [2453] | 350 | self._assert_plotter(action="reload")
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| [1547] | 351 | if kwargs.has_key("interactive"):
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| 352 | if kwargs.pop("interactive"):
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| 353 | pos = self._plotter.get_region()
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| 354 | dpos = (pos[0][0], pos[1][0])
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| 355 | args = dpos + args
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| [1153] | 356 | self._axes_callback("axvspan", *args, **kwargs)
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| 357 | # hack to preventy mpl from redrawing the patch
|
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| 358 | # it seem to convert the patch into lines on every draw.
|
|---|
| 359 | # This doesn't happen in a test script???
|
|---|
| [1547] | 360 | #del self._plotter.axes.patches[-1]
|
|---|
| 361 |
|
|---|
| [1358] | 362 | axvspan.__doc__ = matplotlib.axes.Axes.axvspan.__doc__
|
|---|
| [1232] | 363 |
|
|---|
| [1153] | 364 | def axhspan(self, *args, **kwargs):
|
|---|
| [2453] | 365 | self._assert_plotter(action="reload")
|
|---|
| [1547] | 366 | if kwargs.has_key("interactive"):
|
|---|
| 367 | if kwargs.pop("interactive"):
|
|---|
| 368 | pos = self._plotter.get_region()
|
|---|
| 369 | dpos = (pos[0][1], pos[1][1])
|
|---|
| 370 | args = dpos + args
|
|---|
| [1232] | 371 | self._axes_callback("axhspan", *args, **kwargs)
|
|---|
| [1153] | 372 | # hack to preventy mpl from redrawing the patch
|
|---|
| 373 | # it seem to convert the patch into lines on every draw.
|
|---|
| 374 | # This doesn't happen in a test script???
|
|---|
| [1547] | 375 | #del self._plotter.axes.patches[-1]
|
|---|
| [1559] | 376 |
|
|---|
| [1358] | 377 | axhspan.__doc__ = matplotlib.axes.Axes.axhspan.__doc__
|
|---|
| [1153] | 378 |
|
|---|
| 379 | def _axes_callback(self, axesfunc, *args, **kwargs):
|
|---|
| [2453] | 380 | self._assert_plotter(action="reload")
|
|---|
| [1153] | 381 | panel = 0
|
|---|
| 382 | if kwargs.has_key("panel"):
|
|---|
| 383 | panel = kwargs.pop("panel")
|
|---|
| 384 | coords = None
|
|---|
| 385 | if kwargs.has_key("coords"):
|
|---|
| 386 | coords = kwargs.pop("coords")
|
|---|
| 387 | if coords.lower() == 'world':
|
|---|
| 388 | kwargs["transform"] = self._plotter.axes.transData
|
|---|
| 389 | elif coords.lower() == 'relative':
|
|---|
| 390 | kwargs["transform"] = self._plotter.axes.transAxes
|
|---|
| 391 | self._plotter.subplot(panel)
|
|---|
| 392 | self._plotter.axes.set_autoscale_on(False)
|
|---|
| 393 | getattr(self._plotter.axes, axesfunc)(*args, **kwargs)
|
|---|
| 394 | self._plotter.show(False)
|
|---|
| 395 | self._plotter.axes.set_autoscale_on(True)
|
|---|
| 396 | # end matplotlib.axes fowarding functions
|
|---|
| 397 |
|
|---|
| [1862] | 398 | @asaplog_post_dec
|
|---|
| [1819] | 399 | def set_data(self, scan, refresh=True):
|
|---|
| 400 | """
|
|---|
| [1824] | 401 | Set a scantable to plot.
|
|---|
| [1819] | 402 | Parameters:
|
|---|
| 403 | scan: a scantable
|
|---|
| 404 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 405 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 406 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| 407 | Note:
|
|---|
| 408 | The user specified masks and data selections will be reset
|
|---|
| 409 | if a new scantable is set. This method should be called before
|
|---|
| [1824] | 410 | setting data selections (set_selection) and/or masks (set_mask).
|
|---|
| [1819] | 411 | """
|
|---|
| 412 | from asap import scantable
|
|---|
| 413 | if isinstance(scan, scantable):
|
|---|
| 414 | if self._data is not None:
|
|---|
| 415 | if scan != self._data:
|
|---|
| [2123] | 416 | del self._data
|
|---|
| [1819] | 417 | self._data = scan
|
|---|
| 418 | # reset
|
|---|
| 419 | self._reset()
|
|---|
| [1897] | 420 | msg = "A new scantable is set to the plotter. "\
|
|---|
| 421 | "The masks and data selections are reset."
|
|---|
| [1819] | 422 | asaplog.push( msg )
|
|---|
| 423 | else:
|
|---|
| 424 | self._data = scan
|
|---|
| 425 | self._reset()
|
|---|
| 426 | else:
|
|---|
| 427 | msg = "Input is not a scantable"
|
|---|
| 428 | raise TypeError(msg)
|
|---|
| [1547] | 429 |
|
|---|
| [1819] | 430 | # ranges become invalid when unit changes
|
|---|
| 431 | if self._abcunit and self._abcunit != self._data.get_unit():
|
|---|
| 432 | self._minmaxx = None
|
|---|
| 433 | self._minmaxy = None
|
|---|
| 434 | self._abcunit = self._data.get_unit()
|
|---|
| 435 | self._datamask = None
|
|---|
| 436 | if refresh: self.plot()
|
|---|
| 437 |
|
|---|
| [1862] | 438 | @asaplog_post_dec
|
|---|
| [1819] | 439 | def set_mode(self, stacking=None, panelling=None, refresh=True):
|
|---|
| [203] | 440 | """
|
|---|
| [377] | 441 | Set the plots look and feel, i.e. what you want to see on the plot.
|
|---|
| [203] | 442 | Parameters:
|
|---|
| 443 | stacking: tell the plotter which variable to plot
|
|---|
| [1217] | 444 | as line colour overlays (default 'pol')
|
|---|
| [203] | 445 | panelling: tell the plotter which variable to plot
|
|---|
| 446 | across multiple panels (default 'scan'
|
|---|
| [1819] | 447 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 448 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 449 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [203] | 450 | Note:
|
|---|
| 451 | Valid modes are:
|
|---|
| 452 | 'beam' 'Beam' 'b': Beams
|
|---|
| 453 | 'if' 'IF' 'i': IFs
|
|---|
| 454 | 'pol' 'Pol' 'p': Polarisations
|
|---|
| 455 | 'scan' 'Scan' 's': Scans
|
|---|
| 456 | 'time' 'Time' 't': Times
|
|---|
| [1989] | 457 | 'row' 'Row' 'r': Rows
|
|---|
| 458 | When either 'stacking' or 'panelling' is set to 'row',
|
|---|
| 459 | the other parameter setting is ignored.
|
|---|
| [203] | 460 | """
|
|---|
| [753] | 461 | msg = "Invalid mode"
|
|---|
| 462 | if not self.set_panelling(panelling) or \
|
|---|
| 463 | not self.set_stacking(stacking):
|
|---|
| [1859] | 464 | raise TypeError(msg)
|
|---|
| [1989] | 465 | #if self._panelling == 'r':
|
|---|
| 466 | # self._stacking = '_r'
|
|---|
| 467 | #if self._stacking == 'r':
|
|---|
| 468 | # self._panelling = '_r'
|
|---|
| [1819] | 469 | if refresh and self._data: self.plot(self._data)
|
|---|
| [203] | 470 | return
|
|---|
| 471 |
|
|---|
| [554] | 472 | def set_panelling(self, what=None):
|
|---|
| [1858] | 473 | """Set the 'panelling' mode i.e. which type of spectra should be
|
|---|
| 474 | spread across different panels.
|
|---|
| 475 | """
|
|---|
| 476 |
|
|---|
| [554] | 477 | mode = what
|
|---|
| 478 | if mode is None:
|
|---|
| 479 | mode = rcParams['plotter.panelling']
|
|---|
| 480 | md = self._translate(mode)
|
|---|
| [203] | 481 | if md:
|
|---|
| [554] | 482 | self._panelling = md
|
|---|
| [226] | 483 | self._title = None
|
|---|
| [1989] | 484 | #if md == 'r':
|
|---|
| 485 | # self._stacking = '_r'
|
|---|
| [1981] | 486 | # you need to reset counters for multi page plotting
|
|---|
| 487 | self._reset_counters()
|
|---|
| [203] | 488 | return True
|
|---|
| 489 | return False
|
|---|
| 490 |
|
|---|
| [1819] | 491 | def set_layout(self,rows=None,cols=None,refresh=True):
|
|---|
| [377] | 492 | """
|
|---|
| 493 | Set the multi-panel layout, i.e. how many rows and columns plots
|
|---|
| 494 | are visible.
|
|---|
| 495 | Parameters:
|
|---|
| 496 | rows: The number of rows of plots
|
|---|
| 497 | cols: The number of columns of plots
|
|---|
| [1819] | 498 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 499 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 500 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [377] | 501 | Note:
|
|---|
| 502 | If no argument is given, the potter reverts to its auto-plot
|
|---|
| 503 | behaviour.
|
|---|
| 504 | """
|
|---|
| 505 | self._rows = rows
|
|---|
| 506 | self._cols = cols
|
|---|
| [1819] | 507 | if refresh and self._data: self.plot(self._data)
|
|---|
| [377] | 508 | return
|
|---|
| 509 |
|
|---|
| [709] | 510 | def set_stacking(self, what=None):
|
|---|
| [1858] | 511 | """Set the 'stacking' mode i.e. which type of spectra should be
|
|---|
| 512 | overlayed.
|
|---|
| 513 | """
|
|---|
| [554] | 514 | mode = what
|
|---|
| [709] | 515 | if mode is None:
|
|---|
| 516 | mode = rcParams['plotter.stacking']
|
|---|
| [554] | 517 | md = self._translate(mode)
|
|---|
| [203] | 518 | if md:
|
|---|
| 519 | self._stacking = md
|
|---|
| [226] | 520 | self._lmap = None
|
|---|
| [1989] | 521 | #if md == 'r':
|
|---|
| 522 | # self._panelling = '_r'
|
|---|
| [1981] | 523 | # you need to reset counters for multi page plotting
|
|---|
| 524 | self._reset_counters()
|
|---|
| [203] | 525 | return True
|
|---|
| 526 | return False
|
|---|
| 527 |
|
|---|
| [1981] | 528 | def _reset_counters(self):
|
|---|
| 529 | self._startrow = 0
|
|---|
| 530 | self._ipanel = -1
|
|---|
| 531 | self._panelrows = []
|
|---|
| 532 |
|
|---|
| [1897] | 533 | def set_range(self,xstart=None,xend=None,ystart=None,yend=None,refresh=True, offset=None):
|
|---|
| [203] | 534 | """
|
|---|
| 535 | Set the range of interest on the abcissa of the plot
|
|---|
| 536 | Parameters:
|
|---|
| [525] | 537 | [x,y]start,[x,y]end: The start and end points of the 'zoom' window
|
|---|
| [1819] | 538 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 539 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 540 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [1897] | 541 | offset: shift the abcissa by the given amount. The abcissa label will
|
|---|
| 542 | have '(relative)' appended to it.
|
|---|
| [203] | 543 | Note:
|
|---|
| 544 | These become non-sensical when the unit changes.
|
|---|
| 545 | use plotter.set_range() without parameters to reset
|
|---|
| 546 |
|
|---|
| 547 | """
|
|---|
| [1897] | 548 | self._offset = offset
|
|---|
| [525] | 549 | if xstart is None and xend is None:
|
|---|
| 550 | self._minmaxx = None
|
|---|
| [600] | 551 | else:
|
|---|
| 552 | self._minmaxx = [xstart,xend]
|
|---|
| [525] | 553 | if ystart is None and yend is None:
|
|---|
| 554 | self._minmaxy = None
|
|---|
| [600] | 555 | else:
|
|---|
| [709] | 556 | self._minmaxy = [ystart,yend]
|
|---|
| [1819] | 557 | if refresh and self._data: self.plot(self._data)
|
|---|
| [203] | 558 | return
|
|---|
| [709] | 559 |
|
|---|
| [1819] | 560 | def set_legend(self, mp=None, fontsize = None, mode = 0, refresh=True):
|
|---|
| [203] | 561 | """
|
|---|
| 562 | Specify a mapping for the legend instead of using the default
|
|---|
| 563 | indices:
|
|---|
| 564 | Parameters:
|
|---|
| [1101] | 565 | mp: a list of 'strings'. This should have the same length
|
|---|
| 566 | as the number of elements on the legend and then maps
|
|---|
| 567 | to the indeces in order. It is possible to uses latex
|
|---|
| 568 | math expression. These have to be enclosed in r'',
|
|---|
| 569 | e.g. r'$x^{2}$'
|
|---|
| 570 | fontsize: The font size of the label (default None)
|
|---|
| 571 | mode: where to display the legend
|
|---|
| 572 | Any other value for loc else disables the legend:
|
|---|
| [1096] | 573 | 0: auto
|
|---|
| 574 | 1: upper right
|
|---|
| 575 | 2: upper left
|
|---|
| 576 | 3: lower left
|
|---|
| 577 | 4: lower right
|
|---|
| 578 | 5: right
|
|---|
| 579 | 6: center left
|
|---|
| 580 | 7: center right
|
|---|
| 581 | 8: lower center
|
|---|
| 582 | 9: upper center
|
|---|
| 583 | 10: center
|
|---|
| [1819] | 584 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 585 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 586 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [203] | 587 |
|
|---|
| 588 | Example:
|
|---|
| [485] | 589 | If the data has two IFs/rest frequencies with index 0 and 1
|
|---|
| [203] | 590 | for CO and SiO:
|
|---|
| 591 | plotter.set_stacking('i')
|
|---|
| [710] | 592 | plotter.set_legend(['CO','SiO'])
|
|---|
| [203] | 593 | plotter.plot()
|
|---|
| [710] | 594 | plotter.set_legend([r'$^{12}CO$', r'SiO'])
|
|---|
| [203] | 595 | """
|
|---|
| 596 | self._lmap = mp
|
|---|
| [2451] | 597 | #self._plotter.legend(mode)
|
|---|
| 598 | self._legendloc = mode
|
|---|
| [1101] | 599 | if isinstance(fontsize, int):
|
|---|
| 600 | from matplotlib import rc as rcp
|
|---|
| 601 | rcp('legend', fontsize=fontsize)
|
|---|
| [1819] | 602 | if refresh and self._data: self.plot(self._data)
|
|---|
| [226] | 603 | return
|
|---|
| 604 |
|
|---|
| [1819] | 605 | def set_title(self, title=None, fontsize=None, refresh=True):
|
|---|
| [710] | 606 | """
|
|---|
| [2451] | 607 | Set the title of sub-plots. If multiple sub-plots are plotted,
|
|---|
| [710] | 608 | multiple titles have to be specified.
|
|---|
| [1819] | 609 | Parameters:
|
|---|
| [2451] | 610 | title: a list of titles of sub-plots.
|
|---|
| 611 | fontsize: a font size of titles (integer)
|
|---|
| [1819] | 612 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 613 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 614 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 615 | Example:
|
|---|
| 616 | # two panels are visible on the plotter
|
|---|
| [2451] | 617 | plotter.set_title(['First Panel','Second Panel'])
|
|---|
| [710] | 618 | """
|
|---|
| [226] | 619 | self._title = title
|
|---|
| [1101] | 620 | if isinstance(fontsize, int):
|
|---|
| 621 | from matplotlib import rc as rcp
|
|---|
| 622 | rcp('axes', titlesize=fontsize)
|
|---|
| [1819] | 623 | if refresh and self._data: self.plot(self._data)
|
|---|
| [226] | 624 | return
|
|---|
| 625 |
|
|---|
| [1819] | 626 | def set_ordinate(self, ordinate=None, fontsize=None, refresh=True):
|
|---|
| [710] | 627 | """
|
|---|
| 628 | Set the y-axis label of the plot. If multiple panels are plotted,
|
|---|
| 629 | multiple labels have to be specified.
|
|---|
| [1021] | 630 | Parameters:
|
|---|
| 631 | ordinate: a list of ordinate labels. None (default) let
|
|---|
| 632 | data determine the labels
|
|---|
| [2451] | 633 | fontsize: a font size of vertical axis labels (integer)
|
|---|
| [1819] | 634 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 635 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 636 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 637 | Example:
|
|---|
| 638 | # two panels are visible on the plotter
|
|---|
| [2451] | 639 | plotter.set_ordinate(['First Y-Axis','Second Y-Axis'])
|
|---|
| [710] | 640 | """
|
|---|
| [257] | 641 | self._ordinate = ordinate
|
|---|
| [1101] | 642 | if isinstance(fontsize, int):
|
|---|
| 643 | from matplotlib import rc as rcp
|
|---|
| 644 | rcp('axes', labelsize=fontsize)
|
|---|
| 645 | rcp('ytick', labelsize=fontsize)
|
|---|
| [1819] | 646 | if refresh and self._data: self.plot(self._data)
|
|---|
| [257] | 647 | return
|
|---|
| 648 |
|
|---|
| [1819] | 649 | def set_abcissa(self, abcissa=None, fontsize=None, refresh=True):
|
|---|
| [710] | 650 | """
|
|---|
| 651 | Set the x-axis label of the plot. If multiple panels are plotted,
|
|---|
| 652 | multiple labels have to be specified.
|
|---|
| [1021] | 653 | Parameters:
|
|---|
| 654 | abcissa: a list of abcissa labels. None (default) let
|
|---|
| 655 | data determine the labels
|
|---|
| [2451] | 656 | fontsize: a font size of horizontal axis labels (integer)
|
|---|
| [1819] | 657 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 658 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 659 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 660 | Example:
|
|---|
| 661 | # two panels are visible on the plotter
|
|---|
| [2451] | 662 | plotter.set_ordinate(['First X-Axis','Second X-Axis'])
|
|---|
| [710] | 663 | """
|
|---|
| [257] | 664 | self._abcissa = abcissa
|
|---|
| [1101] | 665 | if isinstance(fontsize, int):
|
|---|
| 666 | from matplotlib import rc as rcp
|
|---|
| 667 | rcp('axes', labelsize=fontsize)
|
|---|
| 668 | rcp('xtick', labelsize=fontsize)
|
|---|
| [1819] | 669 | if refresh and self._data: self.plot(self._data)
|
|---|
| [257] | 670 | return
|
|---|
| 671 |
|
|---|
| [1819] | 672 | def set_colors(self, colmap, refresh=True):
|
|---|
| [377] | 673 | """
|
|---|
| [1217] | 674 | Set the colours to be used. The plotter will cycle through
|
|---|
| 675 | these colours when lines are overlaid (stacking mode).
|
|---|
| [1021] | 676 | Parameters:
|
|---|
| [1217] | 677 | colmap: a list of colour names
|
|---|
| [1819] | 678 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 679 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 680 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 681 | Example:
|
|---|
| [2451] | 682 | plotter.set_colors('red green blue')
|
|---|
| [710] | 683 | # If for example four lines are overlaid e.g I Q U V
|
|---|
| 684 | # 'I' will be 'red', 'Q' will be 'green', U will be 'blue'
|
|---|
| 685 | # and 'V' will be 'red' again.
|
|---|
| 686 | """
|
|---|
| [2451] | 687 | #if isinstance(colmap,str):
|
|---|
| 688 | # colmap = colmap.split()
|
|---|
| 689 | #self._plotter.palette(0, colormap=colmap)
|
|---|
| 690 | self._colormap = colmap
|
|---|
| [1819] | 691 | if refresh and self._data: self.plot(self._data)
|
|---|
| [710] | 692 |
|
|---|
| [1217] | 693 | # alias for english speakers
|
|---|
| 694 | set_colours = set_colors
|
|---|
| 695 |
|
|---|
| [1819] | 696 | def set_histogram(self, hist=True, linewidth=None, refresh=True):
|
|---|
| [1021] | 697 | """
|
|---|
| 698 | Enable/Disable histogram-like plotting.
|
|---|
| 699 | Parameters:
|
|---|
| 700 | hist: True (default) or False. The fisrt default
|
|---|
| 701 | is taken from the .asaprc setting
|
|---|
| 702 | plotter.histogram
|
|---|
| [2451] | 703 | linewidth: a line width
|
|---|
| [1819] | 704 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 705 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 706 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [1021] | 707 | """
|
|---|
| [1023] | 708 | self._hist = hist
|
|---|
| [1101] | 709 | if isinstance(linewidth, float) or isinstance(linewidth, int):
|
|---|
| 710 | from matplotlib import rc as rcp
|
|---|
| 711 | rcp('lines', linewidth=linewidth)
|
|---|
| [1819] | 712 | if refresh and self._data: self.plot(self._data)
|
|---|
| [1023] | 713 |
|
|---|
| [1819] | 714 | def set_linestyles(self, linestyles=None, linewidth=None, refresh=True):
|
|---|
| [710] | 715 | """
|
|---|
| [734] | 716 | Set the linestyles to be used. The plotter will cycle through
|
|---|
| 717 | these linestyles when lines are overlaid (stacking mode) AND
|
|---|
| 718 | only one color has been set.
|
|---|
| [710] | 719 | Parameters:
|
|---|
| [2451] | 720 | linestyles: a list of linestyles to use.
|
|---|
| [710] | 721 | 'line', 'dashed', 'dotted', 'dashdot',
|
|---|
| 722 | 'dashdotdot' and 'dashdashdot' are
|
|---|
| 723 | possible
|
|---|
| [2451] | 724 | linewidth: a line width
|
|---|
| [1819] | 725 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 726 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 727 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 728 | Example:
|
|---|
| [2451] | 729 | plotter.set_colors('black')
|
|---|
| 730 | plotter.set_linestyles('line dashed dotted dashdot')
|
|---|
| [710] | 731 | # If for example four lines are overlaid e.g I Q U V
|
|---|
| 732 | # 'I' will be 'solid', 'Q' will be 'dashed',
|
|---|
| 733 | # U will be 'dotted' and 'V' will be 'dashdot'.
|
|---|
| 734 | """
|
|---|
| [2451] | 735 | #if isinstance(linestyles,str):
|
|---|
| 736 | # linestyles = linestyles.split()
|
|---|
| 737 | #self._plotter.palette(color=0,linestyle=0,linestyles=linestyles)
|
|---|
| 738 | self._linestyles = linestyles
|
|---|
| [1101] | 739 | if isinstance(linewidth, float) or isinstance(linewidth, int):
|
|---|
| 740 | from matplotlib import rc as rcp
|
|---|
| 741 | rcp('lines', linewidth=linewidth)
|
|---|
| [1819] | 742 | if refresh and self._data: self.plot(self._data)
|
|---|
| [710] | 743 |
|
|---|
| [1819] | 744 | def set_font(self, refresh=True,**kwargs):
|
|---|
| [1101] | 745 | """
|
|---|
| 746 | Set font properties.
|
|---|
| 747 | Parameters:
|
|---|
| 748 | family: one of 'sans-serif', 'serif', 'cursive', 'fantasy', 'monospace'
|
|---|
| 749 | style: one of 'normal' (or 'roman'), 'italic' or 'oblique'
|
|---|
| 750 | weight: one of 'normal or 'bold'
|
|---|
| 751 | size: the 'general' font size, individual elements can be adjusted
|
|---|
| 752 | seperately
|
|---|
| [1819] | 753 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 754 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 755 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [1101] | 756 | """
|
|---|
| 757 | from matplotlib import rc as rcp
|
|---|
| [1547] | 758 | fdict = {}
|
|---|
| 759 | for k,v in kwargs.iteritems():
|
|---|
| 760 | if v:
|
|---|
| 761 | fdict[k] = v
|
|---|
| [1556] | 762 | self._fp = FontProperties(**fdict)
|
|---|
| [1819] | 763 | if refresh and self._data: self.plot(self._data)
|
|---|
| [1101] | 764 |
|
|---|
| [2037] | 765 | def set_margin(self,margin=[],refresh=True):
|
|---|
| [1819] | 766 | """
|
|---|
| [2037] | 767 | Set margins between subplots and plot edges.
|
|---|
| [1819] | 768 | Parameters:
|
|---|
| [2037] | 769 | margin: a list of margins in figure coordinate (0-1),
|
|---|
| [1824] | 770 | i.e., fraction of the figure width or height.
|
|---|
| [1819] | 771 | The order of elements should be:
|
|---|
| 772 | [left, bottom, right, top, horizontal space btw panels,
|
|---|
| [1824] | 773 | vertical space btw panels].
|
|---|
| [1819] | 774 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 775 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 776 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| 777 | Note
|
|---|
| [2037] | 778 | * When margin is not specified, the values are reset to the defaults
|
|---|
| [1819] | 779 | of matplotlib.
|
|---|
| [1824] | 780 | * If any element is set to be None, the current value is adopted.
|
|---|
| [1819] | 781 | """
|
|---|
| [2037] | 782 | if margin == []: self._margins=self._reset_margin()
|
|---|
| [1824] | 783 | else:
|
|---|
| [2037] | 784 | self._margins=[None]*6
|
|---|
| 785 | self._margins[0:len(margin)]=margin
|
|---|
| 786 | #print "panel margin set to ",self._margins
|
|---|
| [1819] | 787 | if refresh and self._data: self.plot(self._data)
|
|---|
| 788 |
|
|---|
| [2037] | 789 | def _reset_margin(self):
|
|---|
| [1819] | 790 | ks=map(lambda x: 'figure.subplot.'+x,
|
|---|
| 791 | ['left','bottom','right','top','hspace','wspace'])
|
|---|
| 792 | return map(matplotlib.rcParams.get,ks)
|
|---|
| 793 |
|
|---|
| [1259] | 794 | def plot_lines(self, linecat=None, doppler=0.0, deltachan=10, rotate=90.0,
|
|---|
| [1146] | 795 | location=None):
|
|---|
| 796 | """
|
|---|
| [1158] | 797 | Plot a line catalog.
|
|---|
| 798 | Parameters:
|
|---|
| 799 | linecat: the linecatalog to plot
|
|---|
| [1168] | 800 | doppler: the velocity shift to apply to the frequencies
|
|---|
| [1158] | 801 | deltachan: the number of channels to include each side of the
|
|---|
| 802 | line to determine a local maximum/minimum
|
|---|
| [1927] | 803 | rotate: the rotation (in degrees) for the text label (default 90.0)
|
|---|
| [1158] | 804 | location: the location of the line annotation from the 'top',
|
|---|
| 805 | 'bottom' or alternate (None - the default)
|
|---|
| [1165] | 806 | Notes:
|
|---|
| 807 | If the spectrum is flagged no line will be drawn in that location.
|
|---|
| [1146] | 808 | """
|
|---|
| [2451] | 809 | errmsg = "Cannot plot spectral lines. Need to plot scantable first."
|
|---|
| [2453] | 810 | self._assert_plotter(action="halt",errmsg=errmsg)
|
|---|
| [1259] | 811 | if not self._data:
|
|---|
| 812 | raise RuntimeError("No scantable has been plotted yet.")
|
|---|
| [1146] | 813 | from asap._asap import linecatalog
|
|---|
| [1259] | 814 | if not isinstance(linecat, linecatalog):
|
|---|
| 815 | raise ValueError("'linecat' isn't of type linecatalog.")
|
|---|
| 816 | if not self._data.get_unit().endswith("Hz"):
|
|---|
| 817 | raise RuntimeError("Can only overlay linecatalogs when data is in frequency.")
|
|---|
| [1739] | 818 | from numpy import ma
|
|---|
| [1146] | 819 | for j in range(len(self._plotter.subplots)):
|
|---|
| 820 | self._plotter.subplot(j)
|
|---|
| 821 | lims = self._plotter.axes.get_xlim()
|
|---|
| [1153] | 822 | for row in range(linecat.nrow()):
|
|---|
| [1259] | 823 | # get_frequency returns MHz
|
|---|
| 824 | base = { "GHz": 1000.0, "MHz": 1.0, "Hz": 1.0e-6 }
|
|---|
| 825 | restf = linecat.get_frequency(row)/base[self._data.get_unit()]
|
|---|
| [1165] | 826 | c = 299792.458
|
|---|
| [1174] | 827 | freq = restf*(1.0-doppler/c)
|
|---|
| [1146] | 828 | if lims[0] < freq < lims[1]:
|
|---|
| 829 | if location is None:
|
|---|
| 830 | loc = 'bottom'
|
|---|
| [1153] | 831 | if row%2: loc='top'
|
|---|
| [1146] | 832 | else: loc = location
|
|---|
| [1153] | 833 | maxys = []
|
|---|
| 834 | for line in self._plotter.axes.lines:
|
|---|
| 835 | v = line._x
|
|---|
| 836 | asc = v[0] < v[-1]
|
|---|
| 837 |
|
|---|
| 838 | idx = None
|
|---|
| 839 | if not asc:
|
|---|
| 840 | if v[len(v)-1] <= freq <= v[0]:
|
|---|
| 841 | i = len(v)-1
|
|---|
| 842 | while i>=0 and v[i] < freq:
|
|---|
| 843 | idx = i
|
|---|
| 844 | i-=1
|
|---|
| 845 | else:
|
|---|
| 846 | if v[0] <= freq <= v[len(v)-1]:
|
|---|
| 847 | i = 0
|
|---|
| 848 | while i<len(v) and v[i] < freq:
|
|---|
| 849 | idx = i
|
|---|
| 850 | i+=1
|
|---|
| 851 | if idx is not None:
|
|---|
| 852 | lower = idx - deltachan
|
|---|
| 853 | upper = idx + deltachan
|
|---|
| 854 | if lower < 0: lower = 0
|
|---|
| 855 | if upper > len(v): upper = len(v)
|
|---|
| 856 | s = slice(lower, upper)
|
|---|
| [1167] | 857 | y = line._y[s]
|
|---|
| [1165] | 858 | maxy = ma.maximum(y)
|
|---|
| 859 | if isinstance( maxy, float):
|
|---|
| 860 | maxys.append(maxy)
|
|---|
| [1164] | 861 | if len(maxys):
|
|---|
| 862 | peak = max(maxys)
|
|---|
| [1165] | 863 | if peak > self._plotter.axes.get_ylim()[1]:
|
|---|
| 864 | loc = 'bottom'
|
|---|
| [1164] | 865 | else:
|
|---|
| 866 | continue
|
|---|
| [1157] | 867 | self._plotter.vline_with_label(freq, peak,
|
|---|
| 868 | linecat.get_name(row),
|
|---|
| 869 | location=loc, rotate=rotate)
|
|---|
| [1153] | 870 | self._plotter.show(hardrefresh=False)
|
|---|
| [1146] | 871 |
|
|---|
| [1153] | 872 |
|
|---|
| [710] | 873 | def save(self, filename=None, orientation=None, dpi=None):
|
|---|
| 874 | """
|
|---|
| [1927] | 875 | Save the plot to a file. The known formats are 'png', 'ps', 'eps'.
|
|---|
| [377] | 876 | Parameters:
|
|---|
| 877 | filename: The name of the output file. This is optional
|
|---|
| 878 | and autodetects the image format from the file
|
|---|
| 879 | suffix. If non filename is specified a file
|
|---|
| 880 | called 'yyyymmdd_hhmmss.png' is created in the
|
|---|
| 881 | current directory.
|
|---|
| [709] | 882 | orientation: optional parameter for postscript only (not eps).
|
|---|
| 883 | 'landscape', 'portrait' or None (default) are valid.
|
|---|
| 884 | If None is choosen for 'ps' output, the plot is
|
|---|
| 885 | automatically oriented to fill the page.
|
|---|
| [710] | 886 | dpi: The dpi of the output non-ps plot
|
|---|
| [377] | 887 | """
|
|---|
| [2451] | 888 | errmsg = "Cannot save figure. Need to plot first."
|
|---|
| [2453] | 889 | self._assert_plotter(action="halt",errmsg=errmsg)
|
|---|
| [2451] | 890 |
|
|---|
| [709] | 891 | self._plotter.save(filename,orientation,dpi)
|
|---|
| [377] | 892 | return
|
|---|
| [709] | 893 |
|
|---|
| [1862] | 894 | @asaplog_post_dec
|
|---|
| [1819] | 895 | def set_mask(self, mask=None, selection=None, refresh=True):
|
|---|
| [525] | 896 | """
|
|---|
| [734] | 897 | Set a plotting mask for a specific polarization.
|
|---|
| [2451] | 898 | This is useful for masking out 'noise' Pangle outside a source.
|
|---|
| [734] | 899 | Parameters:
|
|---|
| [920] | 900 | mask: a mask from scantable.create_mask
|
|---|
| 901 | selection: the spectra to apply the mask to.
|
|---|
| [1819] | 902 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 903 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 904 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [734] | 905 | Example:
|
|---|
| [920] | 906 | select = selector()
|
|---|
| [2451] | 907 | select.setpolstrings('Pangle')
|
|---|
| [920] | 908 | plotter.set_mask(mymask, select)
|
|---|
| [734] | 909 | """
|
|---|
| [710] | 910 | if not self._data:
|
|---|
| [920] | 911 | msg = "Can only set mask after a first call to plot()"
|
|---|
| [1859] | 912 | raise RuntimeError(msg)
|
|---|
| [920] | 913 | if len(mask):
|
|---|
| 914 | if isinstance(mask, list) or isinstance(mask, tuple):
|
|---|
| 915 | self._usermask = array(mask)
|
|---|
| [710] | 916 | else:
|
|---|
| [920] | 917 | self._usermask = mask
|
|---|
| 918 | if mask is None and selection is None:
|
|---|
| 919 | self._usermask = []
|
|---|
| 920 | self._maskselection = None
|
|---|
| 921 | if isinstance(selection, selector):
|
|---|
| [947] | 922 | self._maskselection = {'b': selection.get_beams(),
|
|---|
| 923 | 's': selection.get_scans(),
|
|---|
| 924 | 'i': selection.get_ifs(),
|
|---|
| 925 | 'p': selection.get_pols(),
|
|---|
| [920] | 926 | 't': [] }
|
|---|
| [710] | 927 | else:
|
|---|
| [920] | 928 | self._maskselection = None
|
|---|
| [1819] | 929 | if refresh: self.plot(self._data)
|
|---|
| [710] | 930 |
|
|---|
| [709] | 931 | def _slice_indeces(self, data):
|
|---|
| 932 | mn = self._minmaxx[0]
|
|---|
| 933 | mx = self._minmaxx[1]
|
|---|
| 934 | asc = data[0] < data[-1]
|
|---|
| 935 | start=0
|
|---|
| 936 | end = len(data)-1
|
|---|
| 937 | inc = 1
|
|---|
| 938 | if not asc:
|
|---|
| 939 | start = len(data)-1
|
|---|
| 940 | end = 0
|
|---|
| 941 | inc = -1
|
|---|
| 942 | # find min index
|
|---|
| [1819] | 943 | #while start > 0 and data[start] < mn:
|
|---|
| 944 | # start+= inc
|
|---|
| 945 | minind=start
|
|---|
| 946 | for ind in xrange(start,end+inc,inc):
|
|---|
| 947 | if data[ind] > mn: break
|
|---|
| 948 | minind=ind
|
|---|
| [709] | 949 | # find max index
|
|---|
| [1819] | 950 | #while end > 0 and data[end] > mx:
|
|---|
| 951 | # end-=inc
|
|---|
| 952 | #if end > 0: end +=1
|
|---|
| 953 | maxind=end
|
|---|
| 954 | for ind in xrange(end,start-inc,-inc):
|
|---|
| 955 | if data[ind] < mx: break
|
|---|
| 956 | maxind=ind
|
|---|
| 957 | start=minind
|
|---|
| 958 | end=maxind
|
|---|
| [709] | 959 | if start > end:
|
|---|
| [1819] | 960 | return end,start+1
|
|---|
| 961 | elif start < end:
|
|---|
| 962 | return start,end+1
|
|---|
| 963 | else:
|
|---|
| 964 | return start,end
|
|---|
| [709] | 965 |
|
|---|
| [710] | 966 | def _reset(self):
|
|---|
| [920] | 967 | self._usermask = []
|
|---|
| [710] | 968 | self._usermaskspectra = None
|
|---|
| [1897] | 969 | self._offset = None
|
|---|
| [920] | 970 | self.set_selection(None, False)
|
|---|
| [2051] | 971 | self._reset_header()
|
|---|
| [920] | 972 |
|
|---|
| [2051] | 973 | def _reset_header(self):
|
|---|
| [2053] | 974 | self._headtext={'string': None, 'textobj': None}
|
|---|
| [2051] | 975 |
|
|---|
| [920] | 976 | def _plot(self, scan):
|
|---|
| [947] | 977 | savesel = scan.get_selection()
|
|---|
| 978 | sel = savesel + self._selection
|
|---|
| [1910] | 979 | order = self._get_sortstring([self._panelling,self._stacking])
|
|---|
| 980 | if order:
|
|---|
| 981 | sel.set_order(order)
|
|---|
| [947] | 982 | scan.set_selection(sel)
|
|---|
| [920] | 983 | d = {'b': scan.getbeam, 's': scan.getscan,
|
|---|
| [1949] | 984 | 'i': scan.getif, 'p': scan.getpol, 't': scan.get_time,
|
|---|
| [1989] | 985 | 'r': int}#, '_r': int}
|
|---|
| [920] | 986 |
|
|---|
| [1148] | 987 | polmodes = dict(zip(self._selection.get_pols(),
|
|---|
| 988 | self._selection.get_poltypes()))
|
|---|
| 989 | # this returns either a tuple of numbers or a length (ncycles)
|
|---|
| 990 | # convert this into lengths
|
|---|
| 991 | n0,nstack0 = self._get_selected_n(scan)
|
|---|
| 992 | if isinstance(n0, int): n = n0
|
|---|
| [1175] | 993 | else: n = len(n0)
|
|---|
| [1148] | 994 | if isinstance(nstack0, int): nstack = nstack0
|
|---|
| [1175] | 995 | else: nstack = len(nstack0)
|
|---|
| [1989] | 996 | # In case of row stacking
|
|---|
| 997 | rowstack = False
|
|---|
| 998 | titlemode = self._panelling
|
|---|
| 999 | if self._stacking == "r" and self._panelling != "r":
|
|---|
| 1000 | rowstack = True
|
|---|
| 1001 | titlemode = '_r'
|
|---|
| [1913] | 1002 | nptot = n
|
|---|
| [1582] | 1003 | maxpanel, maxstack = 16,16
|
|---|
| [1913] | 1004 | if nstack > maxstack:
|
|---|
| 1005 | msg ="Scan to be overlayed contains more than %d selections.\n" \
|
|---|
| 1006 | "Selecting first %d selections..." % (maxstack, maxstack)
|
|---|
| [920] | 1007 | asaplog.push(msg)
|
|---|
| [1861] | 1008 | asaplog.post('WARN')
|
|---|
| [998] | 1009 | nstack = min(nstack,maxstack)
|
|---|
| [2038] | 1010 | #n = min(n-self._ipanel-1,maxpanel)
|
|---|
| 1011 | n = n-self._ipanel-1
|
|---|
| [2011] | 1012 |
|
|---|
| 1013 | ganged = False
|
|---|
| [920] | 1014 | if n > 1:
|
|---|
| 1015 | ganged = rcParams['plotter.ganged']
|
|---|
| [1819] | 1016 | if self._panelling == 'i':
|
|---|
| 1017 | ganged = False
|
|---|
| [920] | 1018 | if self._rows and self._cols:
|
|---|
| 1019 | n = min(n,self._rows*self._cols)
|
|---|
| 1020 | self._plotter.set_panels(rows=self._rows,cols=self._cols,
|
|---|
| [2277] | 1021 | nplots=n,margin=self._margins,ganged=ganged)
|
|---|
| [920] | 1022 | else:
|
|---|
| [2038] | 1023 | n = min(n,maxpanel)
|
|---|
| [2277] | 1024 | self._plotter.set_panels(rows=n,cols=0,nplots=n,margin=self._margins,ganged=ganged)
|
|---|
| [920] | 1025 | else:
|
|---|
| [2037] | 1026 | self._plotter.set_panels(margin=self._margins)
|
|---|
| [1913] | 1027 | #r = 0
|
|---|
| [1981] | 1028 | r = self._startrow
|
|---|
| [920] | 1029 | nr = scan.nrow()
|
|---|
| 1030 | a0,b0 = -1,-1
|
|---|
| 1031 | allxlim = []
|
|---|
| [1018] | 1032 | allylim = []
|
|---|
| [1981] | 1033 | #newpanel=True
|
|---|
| 1034 | newpanel=False
|
|---|
| [920] | 1035 | panelcount,stackcount = 0,0
|
|---|
| [1981] | 1036 | # If this is not the first page
|
|---|
| 1037 | if r > 0:
|
|---|
| 1038 | # panelling value of the prev page
|
|---|
| 1039 | a0 = d[self._panelling](r-1)
|
|---|
| 1040 | # set the initial stackcount large not to plot
|
|---|
| 1041 | # the start row automatically
|
|---|
| 1042 | stackcount = nstack
|
|---|
| 1043 |
|
|---|
| [1002] | 1044 | while r < nr:
|
|---|
| [920] | 1045 | a = d[self._panelling](r)
|
|---|
| 1046 | b = d[self._stacking](r)
|
|---|
| 1047 | if a > a0 and panelcount < n:
|
|---|
| 1048 | if n > 1:
|
|---|
| 1049 | self._plotter.subplot(panelcount)
|
|---|
| 1050 | self._plotter.palette(0)
|
|---|
| 1051 | #title
|
|---|
| 1052 | xlab = self._abcissa and self._abcissa[panelcount] \
|
|---|
| 1053 | or scan._getabcissalabel()
|
|---|
| [1897] | 1054 | if self._offset and not self._abcissa:
|
|---|
| 1055 | xlab += " (relative)"
|
|---|
| [920] | 1056 | ylab = self._ordinate and self._ordinate[panelcount] \
|
|---|
| 1057 | or scan._get_ordinate_label()
|
|---|
| [1547] | 1058 | self._plotter.set_axes('xlabel', xlab)
|
|---|
| 1059 | self._plotter.set_axes('ylabel', ylab)
|
|---|
| [1989] | 1060 | #lbl = self._get_label(scan, r, self._panelling, self._title)
|
|---|
| 1061 | lbl = self._get_label(scan, r, titlemode, self._title)
|
|---|
| [920] | 1062 | if isinstance(lbl, list) or isinstance(lbl, tuple):
|
|---|
| 1063 | if 0 <= panelcount < len(lbl):
|
|---|
| 1064 | lbl = lbl[panelcount]
|
|---|
| 1065 | else:
|
|---|
| 1066 | # get default label
|
|---|
| [1989] | 1067 | #lbl = self._get_label(scan, r, self._panelling, None)
|
|---|
| 1068 | lbl = self._get_label(scan, r, titlemode, None)
|
|---|
| [920] | 1069 | self._plotter.set_axes('title',lbl)
|
|---|
| 1070 | newpanel = True
|
|---|
| [1913] | 1071 | stackcount = 0
|
|---|
| [920] | 1072 | panelcount += 1
|
|---|
| [1981] | 1073 | # save the start row to plot this panel for future revisit.
|
|---|
| 1074 | if self._panelling != 'r' and \
|
|---|
| 1075 | len(self._panelrows) < self._ipanel+1+panelcount:
|
|---|
| 1076 | self._panelrows += [r]
|
|---|
| 1077 |
|
|---|
| [1944] | 1078 | #if (b > b0 or newpanel) and stackcount < nstack:
|
|---|
| [2277] | 1079 | if stackcount < nstack and (newpanel or rowstack or (a == a0 and b > b0)):
|
|---|
| [920] | 1080 | y = []
|
|---|
| 1081 | if len(polmodes):
|
|---|
| 1082 | y = scan._getspectrum(r, polmodes[scan.getpol(r)])
|
|---|
| 1083 | else:
|
|---|
| 1084 | y = scan._getspectrum(r)
|
|---|
| [1995] | 1085 | # flag application
|
|---|
| 1086 | mr = scan._getflagrow(r)
|
|---|
| [1739] | 1087 | from numpy import ma, array
|
|---|
| [1995] | 1088 | if mr:
|
|---|
| 1089 | y = ma.masked_array(y,mask=mr)
|
|---|
| 1090 | else:
|
|---|
| 1091 | m = scan._getmask(r)
|
|---|
| 1092 | from numpy import logical_not, logical_and
|
|---|
| 1093 | if self._maskselection and len(self._usermask) == len(m):
|
|---|
| [2277] | 1094 | if d[self._stacking](r) in self._maskselection[self._stacking]:
|
|---|
| [1995] | 1095 | m = logical_and(m, self._usermask)
|
|---|
| [2277] | 1096 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
|---|
| [1995] | 1097 |
|
|---|
| [1897] | 1098 | x = array(scan._getabcissa(r))
|
|---|
| 1099 | if self._offset:
|
|---|
| 1100 | x += self._offset
|
|---|
| [920] | 1101 | if self._minmaxx is not None:
|
|---|
| 1102 | s,e = self._slice_indeces(x)
|
|---|
| 1103 | x = x[s:e]
|
|---|
| 1104 | y = y[s:e]
|
|---|
| [1096] | 1105 | if len(x) > 1024 and rcParams['plotter.decimate']:
|
|---|
| 1106 | fac = len(x)/1024
|
|---|
| [920] | 1107 | x = x[::fac]
|
|---|
| 1108 | y = y[::fac]
|
|---|
| 1109 | llbl = self._get_label(scan, r, self._stacking, self._lmap)
|
|---|
| 1110 | if isinstance(llbl, list) or isinstance(llbl, tuple):
|
|---|
| 1111 | if 0 <= stackcount < len(llbl):
|
|---|
| 1112 | # use user label
|
|---|
| 1113 | llbl = llbl[stackcount]
|
|---|
| 1114 | else:
|
|---|
| 1115 | # get default label
|
|---|
| 1116 | llbl = self._get_label(scan, r, self._stacking, None)
|
|---|
| 1117 | self._plotter.set_line(label=llbl)
|
|---|
| [1023] | 1118 | plotit = self._plotter.plot
|
|---|
| 1119 | if self._hist: plotit = self._plotter.hist
|
|---|
| [1995] | 1120 | if len(x) > 0 and not mr:
|
|---|
| [1146] | 1121 | plotit(x,y)
|
|---|
| 1122 | xlim= self._minmaxx or [min(x),max(x)]
|
|---|
| 1123 | allxlim += xlim
|
|---|
| 1124 | ylim= self._minmaxy or [ma.minimum(y),ma.maximum(y)]
|
|---|
| 1125 | allylim += ylim
|
|---|
| [1819] | 1126 | else:
|
|---|
| 1127 | xlim = self._minmaxx or []
|
|---|
| 1128 | allxlim += xlim
|
|---|
| 1129 | ylim= self._minmaxy or []
|
|---|
| 1130 | allylim += ylim
|
|---|
| [920] | 1131 | stackcount += 1
|
|---|
| [1981] | 1132 | a0=a
|
|---|
| 1133 | b0=b
|
|---|
| [920] | 1134 | # last in colour stack -> autoscale x
|
|---|
| [1819] | 1135 | if stackcount == nstack and len(allxlim) > 0:
|
|---|
| [920] | 1136 | allxlim.sort()
|
|---|
| [1819] | 1137 | self._plotter.subplots[panelcount-1]['axes'].set_xlim([allxlim[0],allxlim[-1]])
|
|---|
| [1989] | 1138 | if ganged:
|
|---|
| 1139 | allxlim = [allxlim[0],allxlim[-1]]
|
|---|
| 1140 | else:
|
|---|
| 1141 | # clear
|
|---|
| 1142 | allxlim =[]
|
|---|
| [920] | 1143 |
|
|---|
| 1144 | newpanel = False
|
|---|
| [1981] | 1145 | #a0=a
|
|---|
| 1146 | #b0=b
|
|---|
| [920] | 1147 | # ignore following rows
|
|---|
| [1981] | 1148 | if (panelcount == n and stackcount == nstack) or (r == nr-1):
|
|---|
| [1018] | 1149 | # last panel -> autoscale y if ganged
|
|---|
| [1989] | 1150 | #if rcParams['plotter.ganged'] and len(allylim) > 0:
|
|---|
| 1151 | if ganged and len(allylim) > 0:
|
|---|
| [1018] | 1152 | allylim.sort()
|
|---|
| 1153 | self._plotter.set_limits(ylim=[allylim[0],allylim[-1]])
|
|---|
| [998] | 1154 | break
|
|---|
| [920] | 1155 | r+=1 # next row
|
|---|
| [1981] | 1156 |
|
|---|
| 1157 | # save the current counter for multi-page plotting
|
|---|
| 1158 | self._startrow = r+1
|
|---|
| 1159 | self._ipanel += panelcount
|
|---|
| [2147] | 1160 | if self.casabar_exists():
|
|---|
| [1981] | 1161 | if self._ipanel >= nptot-1:
|
|---|
| [1913] | 1162 | self._plotter.figmgr.casabar.disable_next()
|
|---|
| 1163 | else:
|
|---|
| 1164 | self._plotter.figmgr.casabar.enable_next()
|
|---|
| [1981] | 1165 | if self._ipanel + 1 - panelcount > 0:
|
|---|
| 1166 | self._plotter.figmgr.casabar.enable_prev()
|
|---|
| 1167 | else:
|
|---|
| 1168 | self._plotter.figmgr.casabar.disable_prev()
|
|---|
| 1169 |
|
|---|
| [947] | 1170 | #reset the selector to the scantable's original
|
|---|
| 1171 | scan.set_selection(savesel)
|
|---|
| [1824] | 1172 |
|
|---|
| [1819] | 1173 | #temporary switch-off for older matplotlib
|
|---|
| 1174 | #if self._fp is not None:
|
|---|
| 1175 | if self._fp is not None and getattr(self._plotter.figure,'findobj',False):
|
|---|
| [1556] | 1176 | for o in self._plotter.figure.findobj(Text):
|
|---|
| 1177 | o.set_fontproperties(self._fp)
|
|---|
| [920] | 1178 |
|
|---|
| [1910] | 1179 | def _get_sortstring(self, lorders):
|
|---|
| 1180 | d0 = {'s': 'SCANNO', 'b': 'BEAMNO', 'i':'IFNO',
|
|---|
| 1181 | 'p': 'POLNO', 'c': 'CYCLENO', 't' : 'TIME', 'r':None, '_r':None }
|
|---|
| [1944] | 1182 | if not (type(lorders) == list) and not (type(lorders) == tuple):
|
|---|
| [1910] | 1183 | return None
|
|---|
| 1184 | if len(lorders) > 0:
|
|---|
| 1185 | lsorts = []
|
|---|
| 1186 | for order in lorders:
|
|---|
| [1989] | 1187 | if order == "r":
|
|---|
| 1188 | # don't sort if row panelling/stacking
|
|---|
| 1189 | return None
|
|---|
| [1910] | 1190 | ssort = d0[order]
|
|---|
| 1191 | if ssort:
|
|---|
| 1192 | lsorts.append(ssort)
|
|---|
| 1193 | return lsorts
|
|---|
| 1194 | return None
|
|---|
| 1195 |
|
|---|
| [1582] | 1196 | def set_selection(self, selection=None, refresh=True, **kw):
|
|---|
| [1819] | 1197 | """
|
|---|
| 1198 | Parameters:
|
|---|
| 1199 | selection: a selector object (default unset the selection)
|
|---|
| 1200 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 1201 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 1202 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| 1203 | """
|
|---|
| [1582] | 1204 | if selection is None:
|
|---|
| 1205 | # reset
|
|---|
| 1206 | if len(kw) == 0:
|
|---|
| 1207 | self._selection = selector()
|
|---|
| 1208 | else:
|
|---|
| 1209 | # try keywords
|
|---|
| 1210 | for k in kw:
|
|---|
| 1211 | if k not in selector.fields:
|
|---|
| 1212 | raise KeyError("Invalid selection key '%s', valid keys are %s" % (k, selector.fields))
|
|---|
| 1213 | self._selection = selector(**kw)
|
|---|
| 1214 | elif isinstance(selection, selector):
|
|---|
| 1215 | self._selection = selection
|
|---|
| 1216 | else:
|
|---|
| 1217 | raise TypeError("'selection' is not of type selector")
|
|---|
| 1218 |
|
|---|
| [1910] | 1219 | order = self._get_sortstring([self._panelling,self._stacking])
|
|---|
| 1220 | if order:
|
|---|
| 1221 | self._selection.set_order(order)
|
|---|
| [1819] | 1222 | if refresh and self._data: self.plot(self._data)
|
|---|
| [920] | 1223 |
|
|---|
| 1224 | def _get_selected_n(self, scan):
|
|---|
| [1148] | 1225 | d1 = {'b': scan.getbeamnos, 's': scan.getscannos,
|
|---|
| [1910] | 1226 | 'i': scan.getifnos, 'p': scan.getpolnos, 't': scan.ncycle,
|
|---|
| [1989] | 1227 | 'r': scan.nrow}#, '_r': False}
|
|---|
| [1148] | 1228 | d2 = { 'b': self._selection.get_beams(),
|
|---|
| 1229 | 's': self._selection.get_scans(),
|
|---|
| 1230 | 'i': self._selection.get_ifs(),
|
|---|
| 1231 | 'p': self._selection.get_pols(),
|
|---|
| [1910] | 1232 | 't': self._selection.get_cycles(),
|
|---|
| [1989] | 1233 | 'r': False}#, '_r': 1}
|
|---|
| [920] | 1234 | n = d2[self._panelling] or d1[self._panelling]()
|
|---|
| 1235 | nstack = d2[self._stacking] or d1[self._stacking]()
|
|---|
| [1989] | 1236 | # handle row panelling/stacking
|
|---|
| 1237 | if self._panelling == 'r':
|
|---|
| 1238 | nstack = 1
|
|---|
| 1239 | elif self._stacking == 'r':
|
|---|
| 1240 | n = 1
|
|---|
| [920] | 1241 | return n,nstack
|
|---|
| 1242 |
|
|---|
| 1243 | def _get_label(self, scan, row, mode, userlabel=None):
|
|---|
| [1153] | 1244 | if isinstance(userlabel, list) and len(userlabel) == 0:
|
|---|
| 1245 | userlabel = " "
|
|---|
| [947] | 1246 | pms = dict(zip(self._selection.get_pols(),self._selection.get_poltypes()))
|
|---|
| [920] | 1247 | if len(pms):
|
|---|
| 1248 | poleval = scan._getpollabel(scan.getpol(row),pms[scan.getpol(row)])
|
|---|
| 1249 | else:
|
|---|
| 1250 | poleval = scan._getpollabel(scan.getpol(row),scan.poltype())
|
|---|
| 1251 | d = {'b': "Beam "+str(scan.getbeam(row)),
|
|---|
| [1819] | 1252 | #'s': scan._getsourcename(row),
|
|---|
| 1253 | 's': "Scan "+str(scan.getscan(row))+\
|
|---|
| 1254 | " ("+str(scan._getsourcename(row))+")",
|
|---|
| [920] | 1255 | 'i': "IF"+str(scan.getif(row)),
|
|---|
| [964] | 1256 | 'p': poleval,
|
|---|
| [1910] | 1257 | 't': str(scan.get_time(row)),
|
|---|
| 1258 | 'r': "row "+str(row),
|
|---|
| [1913] | 1259 | #'_r': str(scan.get_time(row))+",\nIF"+str(scan.getif(row))+", "+poleval+", Beam"+str(scan.getbeam(row)) }
|
|---|
| 1260 | '_r': "" }
|
|---|
| [920] | 1261 | return userlabel or d[mode]
|
|---|
| [1153] | 1262 |
|
|---|
| [1819] | 1263 | def plotazel(self, scan=None, outfile=None):
|
|---|
| [1391] | 1264 | """
|
|---|
| [1696] | 1265 | plot azimuth and elevation versus time of a scantable
|
|---|
| [1391] | 1266 | """
|
|---|
| [1923] | 1267 | visible = rcParams['plotter.gui']
|
|---|
| [1696] | 1268 | from matplotlib import pylab as PL
|
|---|
| 1269 | from matplotlib.dates import DateFormatter, timezone
|
|---|
| 1270 | from matplotlib.dates import HourLocator, MinuteLocator,SecondLocator, DayLocator
|
|---|
| [1391] | 1271 | from matplotlib.ticker import MultipleLocator
|
|---|
| [1739] | 1272 | from numpy import array, pi
|
|---|
| [1923] | 1273 | if not visible or not self._visible:
|
|---|
| 1274 | PL.ioff()
|
|---|
| 1275 | from matplotlib.backends.backend_agg import FigureCanvasAgg
|
|---|
| 1276 | PL.gcf().canvas.switch_backends(FigureCanvasAgg)
|
|---|
| [1819] | 1277 | self._data = scan
|
|---|
| 1278 | self._outfile = outfile
|
|---|
| [1556] | 1279 | dates = self._data.get_time(asdatetime=True)
|
|---|
| [1391] | 1280 | t = PL.date2num(dates)
|
|---|
| 1281 | tz = timezone('UTC')
|
|---|
| 1282 | PL.cla()
|
|---|
| 1283 | PL.ioff()
|
|---|
| 1284 | PL.clf()
|
|---|
| [2037] | 1285 | # Adjust subplot margins
|
|---|
| 1286 | if len(self._margins) != 6:
|
|---|
| 1287 | self.set_margin(refresh=False)
|
|---|
| 1288 | lef, bot, rig, top, wsp, hsp = self._margins
|
|---|
| [1819] | 1289 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top,
|
|---|
| 1290 | wspace=wsp,hspace=hsp)
|
|---|
| [1824] | 1291 |
|
|---|
| [1391] | 1292 | tdel = max(t) - min(t)
|
|---|
| 1293 | ax = PL.subplot(2,1,1)
|
|---|
| 1294 | el = array(self._data.get_elevation())*180./pi
|
|---|
| 1295 | PL.ylabel('El [deg.]')
|
|---|
| 1296 | dstr = dates[0].strftime('%Y/%m/%d')
|
|---|
| 1297 | if tdel > 1.0:
|
|---|
| 1298 | dstr2 = dates[len(dates)-1].strftime('%Y/%m/%d')
|
|---|
| 1299 | dstr = dstr + " - " + dstr2
|
|---|
| 1300 | majloc = DayLocator()
|
|---|
| 1301 | minloc = HourLocator(range(0,23,12))
|
|---|
| 1302 | timefmt = DateFormatter("%b%d")
|
|---|
| [1696] | 1303 | elif tdel > 24./60.:
|
|---|
| 1304 | timefmt = DateFormatter('%H:%M')
|
|---|
| 1305 | majloc = HourLocator()
|
|---|
| 1306 | minloc = MinuteLocator(30)
|
|---|
| [1391] | 1307 | else:
|
|---|
| [1696] | 1308 | timefmt = DateFormatter('%H:%M')
|
|---|
| 1309 | majloc = MinuteLocator(interval=5)
|
|---|
| 1310 | minloc = SecondLocator(30)
|
|---|
| 1311 |
|
|---|
| [1391] | 1312 | PL.title(dstr)
|
|---|
| [1819] | 1313 | if tdel == 0.0:
|
|---|
| 1314 | th = (t - PL.floor(t))*24.0
|
|---|
| 1315 | PL.plot(th,el,'o',markersize=2, markerfacecolor='b', markeredgecolor='b')
|
|---|
| 1316 | else:
|
|---|
| 1317 | PL.plot_date(t,el,'o', markersize=2, markerfacecolor='b', markeredgecolor='b',tz=tz)
|
|---|
| 1318 | #ax.grid(True)
|
|---|
| 1319 | ax.xaxis.set_major_formatter(timefmt)
|
|---|
| 1320 | ax.xaxis.set_major_locator(majloc)
|
|---|
| 1321 | ax.xaxis.set_minor_locator(minloc)
|
|---|
| [1391] | 1322 | ax.yaxis.grid(True)
|
|---|
| [1819] | 1323 | yloc = MultipleLocator(30)
|
|---|
| 1324 | ax.set_ylim(0,90)
|
|---|
| 1325 | ax.yaxis.set_major_locator(yloc)
|
|---|
| [1391] | 1326 | if tdel > 1.0:
|
|---|
| 1327 | labels = ax.get_xticklabels()
|
|---|
| 1328 | # PL.setp(labels, fontsize=10, rotation=45)
|
|---|
| 1329 | PL.setp(labels, fontsize=10)
|
|---|
| [1819] | 1330 |
|
|---|
| [1391] | 1331 | # Az plot
|
|---|
| 1332 | az = array(self._data.get_azimuth())*180./pi
|
|---|
| 1333 | if min(az) < 0:
|
|---|
| 1334 | for irow in range(len(az)):
|
|---|
| 1335 | if az[irow] < 0: az[irow] += 360.0
|
|---|
| 1336 |
|
|---|
| [1819] | 1337 | ax2 = PL.subplot(2,1,2)
|
|---|
| 1338 | #PL.xlabel('Time (UT [hour])')
|
|---|
| 1339 | PL.ylabel('Az [deg.]')
|
|---|
| 1340 | if tdel == 0.0:
|
|---|
| 1341 | PL.plot(th,az,'o',markersize=2, markeredgecolor='b',markerfacecolor='b')
|
|---|
| 1342 | else:
|
|---|
| 1343 | PL.plot_date(t,az,'o', markersize=2,markeredgecolor='b',markerfacecolor='b',tz=tz)
|
|---|
| 1344 | ax2.xaxis.set_major_formatter(timefmt)
|
|---|
| 1345 | ax2.xaxis.set_major_locator(majloc)
|
|---|
| 1346 | ax2.xaxis.set_minor_locator(minloc)
|
|---|
| 1347 | #ax2.grid(True)
|
|---|
| 1348 | ax2.set_ylim(0,360)
|
|---|
| [1696] | 1349 | ax2.yaxis.grid(True)
|
|---|
| [1819] | 1350 | #hfmt = DateFormatter('%H')
|
|---|
| 1351 | #hloc = HourLocator()
|
|---|
| 1352 | yloc = MultipleLocator(60)
|
|---|
| 1353 | ax2.yaxis.set_major_locator(yloc)
|
|---|
| 1354 | if tdel > 1.0:
|
|---|
| 1355 | labels = ax2.get_xticklabels()
|
|---|
| 1356 | PL.setp(labels, fontsize=10)
|
|---|
| 1357 | PL.xlabel('Time (UT [day])')
|
|---|
| 1358 | else:
|
|---|
| 1359 | PL.xlabel('Time (UT [hour])')
|
|---|
| 1360 |
|
|---|
| [1391] | 1361 | PL.ion()
|
|---|
| 1362 | PL.draw()
|
|---|
| [2416] | 1363 | if matplotlib.get_backend() == 'Qt4Agg': PL.gcf().show()
|
|---|
| [1819] | 1364 | if (self._outfile is not None):
|
|---|
| 1365 | PL.savefig(self._outfile)
|
|---|
| [1391] | 1366 |
|
|---|
| [1819] | 1367 | def plotpointing(self, scan=None, outfile=None):
|
|---|
| [1391] | 1368 | """
|
|---|
| 1369 | plot telescope pointings
|
|---|
| 1370 | """
|
|---|
| [1923] | 1371 | visible = rcParams['plotter.gui']
|
|---|
| [1696] | 1372 | from matplotlib import pylab as PL
|
|---|
| [1819] | 1373 | from numpy import array, pi
|
|---|
| [1923] | 1374 | if not visible or not self._visible:
|
|---|
| 1375 | PL.ioff()
|
|---|
| 1376 | from matplotlib.backends.backend_agg import FigureCanvasAgg
|
|---|
| 1377 | PL.gcf().canvas.switch_backends(FigureCanvasAgg)
|
|---|
| [1819] | 1378 | self._data = scan
|
|---|
| 1379 | self._outfile = outfile
|
|---|
| [1391] | 1380 | dir = array(self._data.get_directionval()).transpose()
|
|---|
| 1381 | ra = dir[0]*180./pi
|
|---|
| 1382 | dec = dir[1]*180./pi
|
|---|
| 1383 | PL.cla()
|
|---|
| [1819] | 1384 | #PL.ioff()
|
|---|
| [1391] | 1385 | PL.clf()
|
|---|
| [2037] | 1386 | # Adjust subplot margins
|
|---|
| 1387 | if len(self._margins) != 6:
|
|---|
| 1388 | self.set_margin(refresh=False)
|
|---|
| 1389 | lef, bot, rig, top, wsp, hsp = self._margins
|
|---|
| [1819] | 1390 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top,
|
|---|
| 1391 | wspace=wsp,hspace=hsp)
|
|---|
| 1392 | ax = PL.gca()
|
|---|
| 1393 | #ax = PL.axes([0.1,0.1,0.8,0.8])
|
|---|
| 1394 | #ax = PL.axes([0.1,0.1,0.8,0.8])
|
|---|
| [1391] | 1395 | ax.set_aspect('equal')
|
|---|
| [1696] | 1396 | PL.plot(ra, dec, 'b,')
|
|---|
| [1391] | 1397 | PL.xlabel('RA [deg.]')
|
|---|
| 1398 | PL.ylabel('Declination [deg.]')
|
|---|
| 1399 | PL.title('Telescope pointings')
|
|---|
| 1400 | [xmin,xmax,ymin,ymax] = PL.axis()
|
|---|
| 1401 | PL.axis([xmax,xmin,ymin,ymax])
|
|---|
| [2416] | 1402 | PL.ion()
|
|---|
| [1391] | 1403 | PL.draw()
|
|---|
| [2416] | 1404 | if matplotlib.get_backend() == 'Qt4Agg': PL.gcf().show()
|
|---|
| [1819] | 1405 | if (self._outfile is not None):
|
|---|
| 1406 | PL.savefig(self._outfile)
|
|---|
| 1407 |
|
|---|
| 1408 | # plot total power data
|
|---|
| 1409 | # plotting in time is not yet implemented..
|
|---|
| [1862] | 1410 | @asaplog_post_dec
|
|---|
| [1819] | 1411 | def plottp(self, scan=None, outfile=None):
|
|---|
| [2453] | 1412 | self._assert_plotter(action="reload")
|
|---|
| [1819] | 1413 | self._plotter.hold()
|
|---|
| 1414 | self._plotter.clear()
|
|---|
| 1415 | from asap import scantable
|
|---|
| 1416 | if not self._data and not scan:
|
|---|
| 1417 | msg = "Input is not a scantable"
|
|---|
| 1418 | raise TypeError(msg)
|
|---|
| 1419 | if isinstance(scan, scantable):
|
|---|
| 1420 | if self._data is not None:
|
|---|
| 1421 | if scan != self._data:
|
|---|
| 1422 | self._data = scan
|
|---|
| 1423 | # reset
|
|---|
| 1424 | self._reset()
|
|---|
| 1425 | else:
|
|---|
| 1426 | self._data = scan
|
|---|
| 1427 | self._reset()
|
|---|
| 1428 | # ranges become invalid when abcissa changes?
|
|---|
| 1429 | #if self._abcunit and self._abcunit != self._data.get_unit():
|
|---|
| 1430 | # self._minmaxx = None
|
|---|
| 1431 | # self._minmaxy = None
|
|---|
| 1432 | # self._abcunit = self._data.get_unit()
|
|---|
| 1433 | # self._datamask = None
|
|---|
| 1434 |
|
|---|
| [2037] | 1435 | # Adjust subplot margins
|
|---|
| 1436 | if len(self._margins) !=6: self.set_margin(refresh=False)
|
|---|
| 1437 | lef, bot, rig, top, wsp, hsp = self._margins
|
|---|
| [1819] | 1438 | self._plotter.figure.subplots_adjust(
|
|---|
| 1439 | left=lef,bottom=bot,right=rig,top=top,wspace=wsp,hspace=hsp)
|
|---|
| [2147] | 1440 | if self.casabar_exists(): self._plotter.figmgr.casabar.disable_button()
|
|---|
| [1819] | 1441 | self._plottp(self._data)
|
|---|
| 1442 | if self._minmaxy is not None:
|
|---|
| 1443 | self._plotter.set_limits(ylim=self._minmaxy)
|
|---|
| 1444 | self._plotter.release()
|
|---|
| 1445 | self._plotter.tidy()
|
|---|
| 1446 | self._plotter.show(hardrefresh=False)
|
|---|
| 1447 | return
|
|---|
| 1448 |
|
|---|
| 1449 | def _plottp(self,scan):
|
|---|
| 1450 | """
|
|---|
| 1451 | private method for plotting total power data
|
|---|
| 1452 | """
|
|---|
| 1453 | from numpy import ma, array, arange, logical_not
|
|---|
| 1454 | r=0
|
|---|
| 1455 | nr = scan.nrow()
|
|---|
| 1456 | a0,b0 = -1,-1
|
|---|
| 1457 | allxlim = []
|
|---|
| 1458 | allylim = []
|
|---|
| 1459 | y=[]
|
|---|
| 1460 | self._plotter.set_panels()
|
|---|
| 1461 | self._plotter.palette(0)
|
|---|
| 1462 | #title
|
|---|
| 1463 | #xlab = self._abcissa and self._abcissa[panelcount] \
|
|---|
| 1464 | # or scan._getabcissalabel()
|
|---|
| 1465 | #ylab = self._ordinate and self._ordinate[panelcount] \
|
|---|
| 1466 | # or scan._get_ordinate_label()
|
|---|
| 1467 | xlab = self._abcissa or 'row number' #or Time
|
|---|
| 1468 | ylab = self._ordinate or scan._get_ordinate_label()
|
|---|
| 1469 | self._plotter.set_axes('xlabel',xlab)
|
|---|
| 1470 | self._plotter.set_axes('ylabel',ylab)
|
|---|
| 1471 | lbl = self._get_label(scan, r, 's', self._title)
|
|---|
| 1472 | if isinstance(lbl, list) or isinstance(lbl, tuple):
|
|---|
| 1473 | # if 0 <= panelcount < len(lbl):
|
|---|
| 1474 | # lbl = lbl[panelcount]
|
|---|
| 1475 | # else:
|
|---|
| 1476 | # get default label
|
|---|
| 1477 | lbl = self._get_label(scan, r, self._panelling, None)
|
|---|
| 1478 | self._plotter.set_axes('title',lbl)
|
|---|
| 1479 | y=array(scan._get_column(scan._getspectrum,-1))
|
|---|
| 1480 | m = array(scan._get_column(scan._getmask,-1))
|
|---|
| 1481 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
|---|
| 1482 | x = arange(len(y))
|
|---|
| 1483 | # try to handle spectral data somewhat...
|
|---|
| 1484 | l,m = y.shape
|
|---|
| 1485 | if m > 1:
|
|---|
| 1486 | y=y.mean(axis=1)
|
|---|
| 1487 | plotit = self._plotter.plot
|
|---|
| 1488 | llbl = self._get_label(scan, r, self._stacking, None)
|
|---|
| 1489 | self._plotter.set_line(label=llbl)
|
|---|
| 1490 | if len(x) > 0:
|
|---|
| 1491 | plotit(x,y)
|
|---|
| 1492 |
|
|---|
| 1493 |
|
|---|
| 1494 | # forwards to matplotlib.Figure.text
|
|---|
| 1495 | def figtext(self, *args, **kwargs):
|
|---|
| 1496 | """
|
|---|
| 1497 | Add text to figure at location x,y (relative 0-1 coords).
|
|---|
| 1498 | This method forwards *args and **kwargs to a Matplotlib method,
|
|---|
| 1499 | matplotlib.Figure.text.
|
|---|
| 1500 | See the method help for detailed information.
|
|---|
| 1501 | """
|
|---|
| [2453] | 1502 | self._assert_plotter(action="reload")
|
|---|
| [1819] | 1503 | self._plotter.text(*args, **kwargs)
|
|---|
| 1504 | # end matplotlib.Figure.text forwarding function
|
|---|
| 1505 |
|
|---|
| 1506 |
|
|---|
| 1507 | # printing header information
|
|---|
| [1862] | 1508 | @asaplog_post_dec
|
|---|
| [2053] | 1509 | def print_header(self, plot=True, fontsize=9, logger=False, selstr='', extrastr=''):
|
|---|
| [1819] | 1510 | """
|
|---|
| 1511 | print data (scantable) header on the plot and/or logger.
|
|---|
| [2056] | 1512 | To plot the header on the plot, this method should be called after
|
|---|
| 1513 | plotting spectra by the method, asapplotter.plot.
|
|---|
| [1819] | 1514 | Parameters:
|
|---|
| [1824] | 1515 | plot: whether or not print header info on the plot.
|
|---|
| [2053] | 1516 | fontsize: header font size (valid only plot=True)
|
|---|
| [1819] | 1517 | logger: whether or not print header info on the logger.
|
|---|
| 1518 | selstr: additional selection string (not verified)
|
|---|
| [2053] | 1519 | extrastr: additional string to print at the beginning (not verified)
|
|---|
| [1819] | 1520 | """
|
|---|
| [1859] | 1521 | if not plot and not logger:
|
|---|
| 1522 | return
|
|---|
| 1523 | if not self._data:
|
|---|
| 1524 | raise RuntimeError("No scantable has been set yet.")
|
|---|
| [1824] | 1525 | # Now header will be printed on plot and/or logger.
|
|---|
| 1526 | # Get header information and format it.
|
|---|
| [2112] | 1527 | ssum=self._data._list_header()
|
|---|
| [1819] | 1528 | # Print Observation header to the upper-left corner of plot
|
|---|
| [2290] | 1529 | headstr=[ssum[0:ssum.find('Obs. Type:')]]
|
|---|
| 1530 | headstr.append(ssum[ssum.find('Obs. Type:'):ssum.find('Flux Unit:')])
|
|---|
| [2053] | 1531 | if extrastr != '':
|
|---|
| 1532 | headstr[0]=extrastr+'\n'+headstr[0]
|
|---|
| 1533 | self._headtext['extrastr'] = extrastr
|
|---|
| [2112] | 1534 | if selstr != '':
|
|---|
| 1535 | selstr += '\n'
|
|---|
| 1536 | self._headtext['selstr'] = selstr
|
|---|
| [2056] | 1537 | ssel=(selstr+self._data.get_selection().__str__()+self._selection.__str__() or 'none')
|
|---|
| [2053] | 1538 | headstr.append('***Selections***\n'+ssel)
|
|---|
| [1824] | 1539 |
|
|---|
| [2051] | 1540 | if plot:
|
|---|
| [2451] | 1541 | errmsg = "Can plot header only after the first call to plot()."
|
|---|
| [2453] | 1542 | self._assert_plotter(action="halt",errmsg=errmsg)
|
|---|
| [1819] | 1543 | self._plotter.hold()
|
|---|
| [2053] | 1544 | self._header_plot(headstr,fontsize=fontsize)
|
|---|
| [1819] | 1545 | import time
|
|---|
| [2106] | 1546 | self._plotter.figure.text(0.99,0.01,
|
|---|
| [1819] | 1547 | time.strftime("%a %d %b %Y %H:%M:%S %Z"),
|
|---|
| 1548 | horizontalalignment='right',
|
|---|
| 1549 | verticalalignment='bottom',fontsize=8)
|
|---|
| 1550 | self._plotter.release()
|
|---|
| 1551 | if logger:
|
|---|
| [2053] | 1552 | selstr = "Selections: "+ssel
|
|---|
| [1819] | 1553 | asaplog.push("----------------\n Plot Summary\n----------------")
|
|---|
| [2053] | 1554 | asaplog.push(extrastr)
|
|---|
| [2290] | 1555 | asaplog.push(ssum[0:ssum.find('Selection:')]\
|
|---|
| [2112] | 1556 | + selstr)
|
|---|
| [2053] | 1557 | self._headtext['string'] = headstr
|
|---|
| 1558 | del ssel, ssum, headstr
|
|---|
| [2051] | 1559 |
|
|---|
| [2053] | 1560 | def _header_plot(self, texts, fontsize=9):
|
|---|
| 1561 | self._headtext['textobj']=[]
|
|---|
| 1562 | nstcol=len(texts)
|
|---|
| 1563 | for i in range(nstcol):
|
|---|
| 1564 | self._headtext['textobj'].append(
|
|---|
| 1565 | self._plotter.figure.text(0.03+float(i)/nstcol,0.98,
|
|---|
| 1566 | texts[i],
|
|---|
| 1567 | horizontalalignment='left',
|
|---|
| 1568 | verticalalignment='top',
|
|---|
| 1569 | fontsize=fontsize))
|
|---|
| 1570 |
|
|---|
| 1571 | def clear_header(self):
|
|---|
| 1572 | if not self._headtext['textobj']:
|
|---|
| 1573 | asaplog.push("No header has been plotted. Exit without any operation")
|
|---|
| 1574 | asaplog.post("WARN")
|
|---|
| [2453] | 1575 | elif self._assert_plotter(action="status"):
|
|---|
| [2053] | 1576 | self._plotter.hold()
|
|---|
| 1577 | for textobj in self._headtext['textobj']:
|
|---|
| 1578 | #if textobj.get_text() in self._headstring:
|
|---|
| 1579 | try:
|
|---|
| 1580 | textobj.remove()
|
|---|
| 1581 | except NotImplementedError:
|
|---|
| 1582 | self._plotter.figure.texts.pop(self._plotter.figure.texts.index(textobj))
|
|---|
| 1583 | self._plotter.release()
|
|---|
| 1584 | self._reset_header()
|
|---|
