| [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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| 8 |
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| [1317] | 9 | import re
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| [203] | 10 |
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| 11 | class asapplotter:
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| [226] | 12 | """
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| 13 | The ASAP plotter.
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| 14 | By default the plotter is set up to plot polarisations
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| 15 | 'colour stacked' and scantables across panels.
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| [1858] | 16 |
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| 17 | .. note::
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| 18 |
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| [226] | 19 | Currenly it only plots 'spectra' not Tsys or
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| 20 | other variables.
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| [1858] | 21 |
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| [226] | 22 | """
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| [1563] | 23 | def __init__(self, visible=None , **kwargs):
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| [734] | 24 | self._visible = rcParams['plotter.gui']
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| 25 | if visible is not None:
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| 26 | self._visible = visible
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| [1563] | 27 | self._plotter = self._newplotter(**kwargs)
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| [1819] | 28 | # additional tool bar
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| 29 | self._plotter.figmgr.casabar=self._newcasabar()
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| [710] | 30 |
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| [554] | 31 | self._panelling = None
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| 32 | self._stacking = None
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| 33 | self.set_panelling()
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| 34 | self.set_stacking()
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| [377] | 35 | self._rows = None
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| 36 | self._cols = None
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| [203] | 37 | self._autoplot = False
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| [525] | 38 | self._minmaxx = None
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| 39 | self._minmaxy = None
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| [710] | 40 | self._datamask = None
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| [203] | 41 | self._data = None
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| [607] | 42 | self._lmap = None
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| [226] | 43 | self._title = None
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| [257] | 44 | self._ordinate = None
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| 45 | self._abcissa = None
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| [709] | 46 | self._abcunit = None
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| [920] | 47 | self._usermask = []
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| 48 | self._maskselection = None
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| 49 | self._selection = selector()
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| [1023] | 50 | self._hist = rcParams['plotter.histogram']
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| [1556] | 51 | self._fp = FontProperties()
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| [2037] | 52 | self._margins = self.set_margin(refresh=False)
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| [1897] | 53 | self._offset = None
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| [1981] | 54 | self._startrow = 0
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| 55 | self._ipanel = -1
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| 56 | self._panelrows = []
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| [2053] | 57 | self._headtext={'string': None, 'textobj': None}
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| [1023] | 58 |
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| [920] | 59 | def _translate(self, instr):
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| [1910] | 60 | keys = "s b i p t r".split()
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| [920] | 61 | if isinstance(instr, str):
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| 62 | for key in keys:
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| 63 | if instr.lower().startswith(key):
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| 64 | return key
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| 65 | return None
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| 66 |
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| [1563] | 67 | def _newplotter(self, **kwargs):
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| [1819] | 68 | backend=matplotlib.get_backend()
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| 69 | if not self._visible:
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| 70 | from asap.asaplot import asaplot
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| 71 | elif backend == 'TkAgg':
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| [710] | 72 | from asap.asaplotgui import asaplotgui as asaplot
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| [1819] | 73 | elif backend == 'Qt4Agg':
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| 74 | from asap.asaplotgui_qt4 import asaplotgui as asaplot
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| 75 | elif backend == 'GTkAgg':
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| 76 | from asap.asaplotgui_gtk import asaplotgui as asaplot
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| [710] | 77 | else:
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| 78 | from asap.asaplot import asaplot
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| [1563] | 79 | return asaplot(**kwargs)
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| [710] | 80 |
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| [1819] | 81 | def _newcasabar(self):
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| 82 | backend=matplotlib.get_backend()
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| 83 | if self._visible and backend == "TkAgg":
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| 84 | from asap.casatoolbar import CustomToolbarTkAgg
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| 85 | return CustomToolbarTkAgg(self)
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| [1989] | 86 | #from asap.casatoolbar import CustomFlagToolbarTkAgg
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| 87 | #return CustomFlagToolbarTkAgg(self)
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| [1995] | 88 | return None
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| [1819] | 89 |
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| [1862] | 90 | @asaplog_post_dec
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| [935] | 91 | def plot(self, scan=None):
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| [203] | 92 | """
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| [920] | 93 | Plot a scantable.
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| [203] | 94 | Parameters:
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| [920] | 95 | scan: a scantable
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| [203] | 96 | Note:
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| [920] | 97 | If a scantable was specified in a previous call
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| [203] | 98 | to plot, no argument has to be given to 'replot'
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| [920] | 99 | NO checking is done that the abcissas of the scantable
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| [203] | 100 | are consistent e.g. all 'channel' or all 'velocity' etc.
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| 101 | """
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| [1981] | 102 | self._startrow = 0
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| 103 | self._ipanel = -1
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| [710] | 104 | if self._plotter.is_dead:
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| [1819] | 105 | if hasattr(self._plotter.figmgr,'casabar'):
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| 106 | del self._plotter.figmgr.casabar
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| [710] | 107 | self._plotter = self._newplotter()
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| [1819] | 108 | self._plotter.figmgr.casabar=self._newcasabar()
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| [1981] | 109 | if self._plotter.figmgr.casabar:
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| [1984] | 110 | self._plotter.figmgr.casabar.set_pagecounter(1)
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| [1981] | 111 | self._panelrows = []
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| [600] | 112 | self._plotter.hold()
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| [1945] | 113 | #self._plotter.clear()
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| [935] | 114 | if not self._data and not scan:
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| [1101] | 115 | msg = "Input is not a scantable"
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| 116 | raise TypeError(msg)
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| [1897] | 117 | if scan:
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| 118 | self.set_data(scan, refresh=False)
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| [920] | 119 | self._plot(self._data)
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| [709] | 120 | if self._minmaxy is not None:
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| 121 | self._plotter.set_limits(ylim=self._minmaxy)
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| [1819] | 122 | if self._plotter.figmgr.casabar: self._plotter.figmgr.casabar.enable_button()
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| [203] | 123 | self._plotter.release()
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| [1153] | 124 | self._plotter.tidy()
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| 125 | self._plotter.show(hardrefresh=False)
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| [203] | 126 | return
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| 127 |
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| [1572] | 128 | def gca(self):
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| 129 | return self._plotter.figure.gca()
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| 130 |
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| [1550] | 131 | def refresh(self):
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| [1572] | 132 | """Do a soft refresh"""
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| [1550] | 133 | self._plotter.figure.show()
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| 134 |
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| [1555] | 135 | def create_mask(self, nwin=1, panel=0, color=None):
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| [1597] | 136 | """
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| [1927] | 137 | Interactively define a mask. It retruns a mask that is equivalent to
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| [1597] | 138 | the one created manually with scantable.create_mask.
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| 139 | Parameters:
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| 140 | nwin: The number of mask windows to create interactively
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| 141 | default is 1.
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| 142 | panel: Which panel to use for mask selection. This is useful
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| 143 | if different IFs are spread over panels (default 0)
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| 144 | """
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| [1555] | 145 | if self._data is None:
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| 146 | return []
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| [1547] | 147 | outmask = []
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| [1549] | 148 | self._plotter.subplot(panel)
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| 149 | xmin, xmax = self._plotter.axes.get_xlim()
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| [1548] | 150 | marg = 0.05*(xmax-xmin)
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| [1549] | 151 | self._plotter.axes.set_xlim(xmin-marg, xmax+marg)
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| [1550] | 152 | self.refresh()
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| [1695] | 153 |
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| [1555] | 154 | def cleanup(lines=False, texts=False, refresh=False):
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| 155 | if lines:
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| 156 | del self._plotter.axes.lines[-1]
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| 157 | if texts:
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| 158 | del self._plotter.axes.texts[-1]
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| 159 | if refresh:
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| 160 | self.refresh()
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| 161 |
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| 162 | for w in xrange(nwin):
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| [1547] | 163 | wpos = []
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| [1695] | 164 | self.text(0.05,1.0, "Add start boundary",
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| [1555] | 165 | coords="relative", fontsize=10)
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| 166 | point = self._plotter.get_point()
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| 167 | cleanup(texts=True)
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| 168 | if point is None:
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| 169 | continue
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| 170 | wpos.append(point[0])
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| [1695] | 171 | self.axvline(wpos[0], color=color)
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| [1551] | 172 | self.text(0.05,1.0, "Add end boundary", coords="relative", fontsize=10)
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| [1555] | 173 | point = self._plotter.get_point()
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| 174 | cleanup(texts=True, lines=True)
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| 175 | if point is None:
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| 176 | self.refresh()
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| 177 | continue
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| 178 | wpos.append(point[0])
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| 179 | self.axvspan(wpos[0], wpos[1], alpha=0.1,
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| 180 | edgecolor=color, facecolor=color)
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| 181 | ymin, ymax = self._plotter.axes.get_ylim()
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| [1547] | 182 | outmask.append(wpos)
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| [1153] | 183 |
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| [1555] | 184 | self._plotter.axes.set_xlim(xmin, xmax)
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| 185 | self.refresh()
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| 186 | if len(outmask) > 0:
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| 187 | return self._data.create_mask(*outmask)
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| 188 | return []
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| 189 |
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| [1153] | 190 | # forwards to matplotlib axes
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| 191 | def text(self, *args, **kwargs):
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| [1547] | 192 | if kwargs.has_key("interactive"):
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| 193 | if kwargs.pop("interactive"):
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| 194 | pos = self._plotter.get_point()
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| 195 | args = tuple(pos)+args
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| [1153] | 196 | self._axes_callback("text", *args, **kwargs)
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| [1547] | 197 |
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| [1358] | 198 | text.__doc__ = matplotlib.axes.Axes.text.__doc__
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| [1559] | 199 |
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| [1153] | 200 | def arrow(self, *args, **kwargs):
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| [1547] | 201 | if kwargs.has_key("interactive"):
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| 202 | if kwargs.pop("interactive"):
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| 203 | pos = self._plotter.get_region()
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| 204 | dpos = (pos[0][0], pos[0][1],
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| 205 | pos[1][0]-pos[0][0],
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| 206 | pos[1][1] - pos[0][1])
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| 207 | args = dpos + args
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| [1153] | 208 | self._axes_callback("arrow", *args, **kwargs)
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| [1547] | 209 |
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| [1358] | 210 | arrow.__doc__ = matplotlib.axes.Axes.arrow.__doc__
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| [1559] | 211 |
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| 212 | def annotate(self, text, xy=None, xytext=None, **kwargs):
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| 213 | if kwargs.has_key("interactive"):
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| 214 | if kwargs.pop("interactive"):
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| 215 | xy = self._plotter.get_point()
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| 216 | xytext = self._plotter.get_point()
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| 217 | if not kwargs.has_key("arrowprops"):
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| 218 | kwargs["arrowprops"] = dict(arrowstyle="->")
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| 219 | self._axes_callback("annotate", text, xy, xytext, **kwargs)
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| 220 |
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| 221 | annotate.__doc__ = matplotlib.axes.Axes.annotate.__doc__
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| 222 |
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| [1153] | 223 | def axvline(self, *args, **kwargs):
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| [1547] | 224 | if kwargs.has_key("interactive"):
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| 225 | if kwargs.pop("interactive"):
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| 226 | pos = self._plotter.get_point()
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| 227 | args = (pos[0],)+args
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| [1153] | 228 | self._axes_callback("axvline", *args, **kwargs)
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| [1559] | 229 |
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| [1358] | 230 | axvline.__doc__ = matplotlib.axes.Axes.axvline.__doc__
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| [1547] | 231 |
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| [1153] | 232 | def axhline(self, *args, **kwargs):
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| [1547] | 233 | if kwargs.has_key("interactive"):
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| 234 | if kwargs.pop("interactive"):
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| 235 | pos = self._plotter.get_point()
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| 236 | args = (pos[1],)+args
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| [1153] | 237 | self._axes_callback("axhline", *args, **kwargs)
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| [1559] | 238 |
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| [1358] | 239 | axhline.__doc__ = matplotlib.axes.Axes.axhline.__doc__
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| [1547] | 240 |
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| [1153] | 241 | def axvspan(self, *args, **kwargs):
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| [1547] | 242 | if kwargs.has_key("interactive"):
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| 243 | if kwargs.pop("interactive"):
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| 244 | pos = self._plotter.get_region()
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| 245 | dpos = (pos[0][0], pos[1][0])
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| 246 | args = dpos + args
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| [1153] | 247 | self._axes_callback("axvspan", *args, **kwargs)
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| 248 | # hack to preventy mpl from redrawing the patch
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| 249 | # it seem to convert the patch into lines on every draw.
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| 250 | # This doesn't happen in a test script???
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| [1547] | 251 | #del self._plotter.axes.patches[-1]
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| 252 |
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| [1358] | 253 | axvspan.__doc__ = matplotlib.axes.Axes.axvspan.__doc__
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| [1232] | 254 |
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| [1153] | 255 | def axhspan(self, *args, **kwargs):
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| [1547] | 256 | if kwargs.has_key("interactive"):
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| 257 | if kwargs.pop("interactive"):
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| 258 | pos = self._plotter.get_region()
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| 259 | dpos = (pos[0][1], pos[1][1])
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| 260 | args = dpos + args
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| [1232] | 261 | self._axes_callback("axhspan", *args, **kwargs)
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| [1153] | 262 | # hack to preventy mpl from redrawing the patch
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| 263 | # it seem to convert the patch into lines on every draw.
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| 264 | # This doesn't happen in a test script???
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| [1547] | 265 | #del self._plotter.axes.patches[-1]
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| [1559] | 266 |
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| [1358] | 267 | axhspan.__doc__ = matplotlib.axes.Axes.axhspan.__doc__
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| [1153] | 268 |
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| 269 | def _axes_callback(self, axesfunc, *args, **kwargs):
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| 270 | panel = 0
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| 271 | if kwargs.has_key("panel"):
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| 272 | panel = kwargs.pop("panel")
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| 273 | coords = None
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| 274 | if kwargs.has_key("coords"):
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| 275 | coords = kwargs.pop("coords")
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| 276 | if coords.lower() == 'world':
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| 277 | kwargs["transform"] = self._plotter.axes.transData
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| 278 | elif coords.lower() == 'relative':
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| 279 | kwargs["transform"] = self._plotter.axes.transAxes
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| 280 | self._plotter.subplot(panel)
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| 281 | self._plotter.axes.set_autoscale_on(False)
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| 282 | getattr(self._plotter.axes, axesfunc)(*args, **kwargs)
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| 283 | self._plotter.show(False)
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| 284 | self._plotter.axes.set_autoscale_on(True)
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| 285 | # end matplotlib.axes fowarding functions
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| 286 |
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| [1862] | 287 | @asaplog_post_dec
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| [1819] | 288 | def set_data(self, scan, refresh=True):
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| 289 | """
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| [1824] | 290 | Set a scantable to plot.
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| [1819] | 291 | Parameters:
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| 292 | scan: a scantable
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| 293 | refresh: True (default) or False. If True, the plot is
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| [1824] | 294 | replotted based on the new parameter setting(s).
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| [1819] | 295 | Otherwise,the parameter(s) are set without replotting.
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| 296 | Note:
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| 297 | The user specified masks and data selections will be reset
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| 298 | if a new scantable is set. This method should be called before
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| [1824] | 299 | setting data selections (set_selection) and/or masks (set_mask).
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| [1819] | 300 | """
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| 301 | from asap import scantable
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| 302 | if isinstance(scan, scantable):
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| 303 | if self._data is not None:
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| 304 | if scan != self._data:
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| 305 | self._data = scan
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| 306 | # reset
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| 307 | self._reset()
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| [1897] | 308 | msg = "A new scantable is set to the plotter. "\
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| 309 | "The masks and data selections are reset."
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| [1819] | 310 | asaplog.push( msg )
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| 311 | else:
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| 312 | self._data = scan
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| 313 | self._reset()
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| 314 | else:
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| 315 | msg = "Input is not a scantable"
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| 316 | raise TypeError(msg)
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| [1547] | 317 |
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| [1819] | 318 | # ranges become invalid when unit changes
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| 319 | if self._abcunit and self._abcunit != self._data.get_unit():
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| 320 | self._minmaxx = None
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| 321 | self._minmaxy = None
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| 322 | self._abcunit = self._data.get_unit()
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| 323 | self._datamask = None
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| 324 | if refresh: self.plot()
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| 325 |
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| [1862] | 326 | @asaplog_post_dec
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| [1819] | 327 | def set_mode(self, stacking=None, panelling=None, refresh=True):
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| [203] | 328 | """
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| [377] | 329 | Set the plots look and feel, i.e. what you want to see on the plot.
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| [203] | 330 | Parameters:
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| 331 | stacking: tell the plotter which variable to plot
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| [1217] | 332 | as line colour overlays (default 'pol')
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| [203] | 333 | panelling: tell the plotter which variable to plot
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| 334 | across multiple panels (default 'scan'
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| [1819] | 335 | refresh: True (default) or False. If True, the plot is
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| [1824] | 336 | replotted based on the new parameter setting(s).
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| [1819] | 337 | Otherwise,the parameter(s) are set without replotting.
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| [203] | 338 | Note:
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| 339 | Valid modes are:
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| 340 | 'beam' 'Beam' 'b': Beams
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| 341 | 'if' 'IF' 'i': IFs
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| 342 | 'pol' 'Pol' 'p': Polarisations
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| 343 | 'scan' 'Scan' 's': Scans
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| 344 | 'time' 'Time' 't': Times
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| [1989] | 345 | 'row' 'Row' 'r': Rows
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| 346 | When either 'stacking' or 'panelling' is set to 'row',
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| 347 | the other parameter setting is ignored.
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| [203] | 348 | """
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| [753] | 349 | msg = "Invalid mode"
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| 350 | if not self.set_panelling(panelling) or \
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| 351 | not self.set_stacking(stacking):
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| [1859] | 352 | raise TypeError(msg)
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| [1989] | 353 | #if self._panelling == 'r':
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| 354 | # self._stacking = '_r'
|
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| 355 | #if self._stacking == 'r':
|
|---|
| 356 | # self._panelling = '_r'
|
|---|
| [1819] | 357 | if refresh and self._data: self.plot(self._data)
|
|---|
| [203] | 358 | return
|
|---|
| 359 |
|
|---|
| [554] | 360 | def set_panelling(self, what=None):
|
|---|
| [1858] | 361 | """Set the 'panelling' mode i.e. which type of spectra should be
|
|---|
| 362 | spread across different panels.
|
|---|
| 363 | """
|
|---|
| 364 |
|
|---|
| [554] | 365 | mode = what
|
|---|
| 366 | if mode is None:
|
|---|
| 367 | mode = rcParams['plotter.panelling']
|
|---|
| 368 | md = self._translate(mode)
|
|---|
| [203] | 369 | if md:
|
|---|
| [554] | 370 | self._panelling = md
|
|---|
| [226] | 371 | self._title = None
|
|---|
| [1989] | 372 | #if md == 'r':
|
|---|
| 373 | # self._stacking = '_r'
|
|---|
| [1981] | 374 | # you need to reset counters for multi page plotting
|
|---|
| 375 | self._reset_counters()
|
|---|
| [203] | 376 | return True
|
|---|
| 377 | return False
|
|---|
| 378 |
|
|---|
| [1819] | 379 | def set_layout(self,rows=None,cols=None,refresh=True):
|
|---|
| [377] | 380 | """
|
|---|
| 381 | Set the multi-panel layout, i.e. how many rows and columns plots
|
|---|
| 382 | are visible.
|
|---|
| 383 | Parameters:
|
|---|
| 384 | rows: The number of rows of plots
|
|---|
| 385 | cols: The number of columns of plots
|
|---|
| [1819] | 386 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 387 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 388 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [377] | 389 | Note:
|
|---|
| 390 | If no argument is given, the potter reverts to its auto-plot
|
|---|
| 391 | behaviour.
|
|---|
| 392 | """
|
|---|
| 393 | self._rows = rows
|
|---|
| 394 | self._cols = cols
|
|---|
| [1819] | 395 | if refresh and self._data: self.plot(self._data)
|
|---|
| [377] | 396 | return
|
|---|
| 397 |
|
|---|
| [709] | 398 | def set_stacking(self, what=None):
|
|---|
| [1858] | 399 | """Set the 'stacking' mode i.e. which type of spectra should be
|
|---|
| 400 | overlayed.
|
|---|
| 401 | """
|
|---|
| [554] | 402 | mode = what
|
|---|
| [709] | 403 | if mode is None:
|
|---|
| 404 | mode = rcParams['plotter.stacking']
|
|---|
| [554] | 405 | md = self._translate(mode)
|
|---|
| [203] | 406 | if md:
|
|---|
| 407 | self._stacking = md
|
|---|
| [226] | 408 | self._lmap = None
|
|---|
| [1989] | 409 | #if md == 'r':
|
|---|
| 410 | # self._panelling = '_r'
|
|---|
| [1981] | 411 | # you need to reset counters for multi page plotting
|
|---|
| 412 | self._reset_counters()
|
|---|
| [203] | 413 | return True
|
|---|
| 414 | return False
|
|---|
| 415 |
|
|---|
| [1981] | 416 | def _reset_counters(self):
|
|---|
| 417 | self._startrow = 0
|
|---|
| 418 | self._ipanel = -1
|
|---|
| 419 | self._panelrows = []
|
|---|
| 420 |
|
|---|
| [1897] | 421 | def set_range(self,xstart=None,xend=None,ystart=None,yend=None,refresh=True, offset=None):
|
|---|
| [203] | 422 | """
|
|---|
| 423 | Set the range of interest on the abcissa of the plot
|
|---|
| 424 | Parameters:
|
|---|
| [525] | 425 | [x,y]start,[x,y]end: The start and end points of the 'zoom' window
|
|---|
| [1819] | 426 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 427 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 428 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [1897] | 429 | offset: shift the abcissa by the given amount. The abcissa label will
|
|---|
| 430 | have '(relative)' appended to it.
|
|---|
| [203] | 431 | Note:
|
|---|
| 432 | These become non-sensical when the unit changes.
|
|---|
| 433 | use plotter.set_range() without parameters to reset
|
|---|
| 434 |
|
|---|
| 435 | """
|
|---|
| [1897] | 436 | self._offset = offset
|
|---|
| [525] | 437 | if xstart is None and xend is None:
|
|---|
| 438 | self._minmaxx = None
|
|---|
| [600] | 439 | else:
|
|---|
| 440 | self._minmaxx = [xstart,xend]
|
|---|
| [525] | 441 | if ystart is None and yend is None:
|
|---|
| 442 | self._minmaxy = None
|
|---|
| [600] | 443 | else:
|
|---|
| [709] | 444 | self._minmaxy = [ystart,yend]
|
|---|
| [1819] | 445 | if refresh and self._data: self.plot(self._data)
|
|---|
| [203] | 446 | return
|
|---|
| [709] | 447 |
|
|---|
| [1819] | 448 | def set_legend(self, mp=None, fontsize = None, mode = 0, refresh=True):
|
|---|
| [203] | 449 | """
|
|---|
| 450 | Specify a mapping for the legend instead of using the default
|
|---|
| 451 | indices:
|
|---|
| 452 | Parameters:
|
|---|
| [1101] | 453 | mp: a list of 'strings'. This should have the same length
|
|---|
| 454 | as the number of elements on the legend and then maps
|
|---|
| 455 | to the indeces in order. It is possible to uses latex
|
|---|
| 456 | math expression. These have to be enclosed in r'',
|
|---|
| 457 | e.g. r'$x^{2}$'
|
|---|
| 458 | fontsize: The font size of the label (default None)
|
|---|
| 459 | mode: where to display the legend
|
|---|
| 460 | Any other value for loc else disables the legend:
|
|---|
| [1096] | 461 | 0: auto
|
|---|
| 462 | 1: upper right
|
|---|
| 463 | 2: upper left
|
|---|
| 464 | 3: lower left
|
|---|
| 465 | 4: lower right
|
|---|
| 466 | 5: right
|
|---|
| 467 | 6: center left
|
|---|
| 468 | 7: center right
|
|---|
| 469 | 8: lower center
|
|---|
| 470 | 9: upper center
|
|---|
| 471 | 10: center
|
|---|
| [1819] | 472 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 473 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 474 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [203] | 475 |
|
|---|
| 476 | Example:
|
|---|
| [485] | 477 | If the data has two IFs/rest frequencies with index 0 and 1
|
|---|
| [203] | 478 | for CO and SiO:
|
|---|
| 479 | plotter.set_stacking('i')
|
|---|
| [710] | 480 | plotter.set_legend(['CO','SiO'])
|
|---|
| [203] | 481 | plotter.plot()
|
|---|
| [710] | 482 | plotter.set_legend([r'$^{12}CO$', r'SiO'])
|
|---|
| [203] | 483 | """
|
|---|
| 484 | self._lmap = mp
|
|---|
| [1096] | 485 | self._plotter.legend(mode)
|
|---|
| [1101] | 486 | if isinstance(fontsize, int):
|
|---|
| 487 | from matplotlib import rc as rcp
|
|---|
| 488 | rcp('legend', fontsize=fontsize)
|
|---|
| [1819] | 489 | if refresh and self._data: self.plot(self._data)
|
|---|
| [226] | 490 | return
|
|---|
| 491 |
|
|---|
| [1819] | 492 | def set_title(self, title=None, fontsize=None, refresh=True):
|
|---|
| [710] | 493 | """
|
|---|
| 494 | Set the title of the plot. If multiple panels are plotted,
|
|---|
| 495 | multiple titles have to be specified.
|
|---|
| [1819] | 496 | Parameters:
|
|---|
| 497 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 498 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 499 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 500 | Example:
|
|---|
| 501 | # two panels are visible on the plotter
|
|---|
| 502 | plotter.set_title(["First Panel","Second Panel"])
|
|---|
| 503 | """
|
|---|
| [226] | 504 | self._title = title
|
|---|
| [1101] | 505 | if isinstance(fontsize, int):
|
|---|
| 506 | from matplotlib import rc as rcp
|
|---|
| 507 | rcp('axes', titlesize=fontsize)
|
|---|
| [1819] | 508 | if refresh and self._data: self.plot(self._data)
|
|---|
| [226] | 509 | return
|
|---|
| 510 |
|
|---|
| [1819] | 511 | def set_ordinate(self, ordinate=None, fontsize=None, refresh=True):
|
|---|
| [710] | 512 | """
|
|---|
| 513 | Set the y-axis label of the plot. If multiple panels are plotted,
|
|---|
| 514 | multiple labels have to be specified.
|
|---|
| [1021] | 515 | Parameters:
|
|---|
| 516 | ordinate: a list of ordinate labels. None (default) let
|
|---|
| 517 | data determine the labels
|
|---|
| [1819] | 518 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 519 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 520 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 521 | Example:
|
|---|
| 522 | # two panels are visible on the plotter
|
|---|
| 523 | plotter.set_ordinate(["First Y-Axis","Second Y-Axis"])
|
|---|
| 524 | """
|
|---|
| [257] | 525 | self._ordinate = ordinate
|
|---|
| [1101] | 526 | if isinstance(fontsize, int):
|
|---|
| 527 | from matplotlib import rc as rcp
|
|---|
| 528 | rcp('axes', labelsize=fontsize)
|
|---|
| 529 | rcp('ytick', labelsize=fontsize)
|
|---|
| [1819] | 530 | if refresh and self._data: self.plot(self._data)
|
|---|
| [257] | 531 | return
|
|---|
| 532 |
|
|---|
| [1819] | 533 | def set_abcissa(self, abcissa=None, fontsize=None, refresh=True):
|
|---|
| [710] | 534 | """
|
|---|
| 535 | Set the x-axis label of the plot. If multiple panels are plotted,
|
|---|
| 536 | multiple labels have to be specified.
|
|---|
| [1021] | 537 | Parameters:
|
|---|
| 538 | abcissa: a list of abcissa labels. None (default) let
|
|---|
| 539 | data determine the labels
|
|---|
| [1819] | 540 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 541 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 542 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 543 | Example:
|
|---|
| 544 | # two panels are visible on the plotter
|
|---|
| 545 | plotter.set_ordinate(["First X-Axis","Second X-Axis"])
|
|---|
| 546 | """
|
|---|
| [257] | 547 | self._abcissa = abcissa
|
|---|
| [1101] | 548 | if isinstance(fontsize, int):
|
|---|
| 549 | from matplotlib import rc as rcp
|
|---|
| 550 | rcp('axes', labelsize=fontsize)
|
|---|
| 551 | rcp('xtick', labelsize=fontsize)
|
|---|
| [1819] | 552 | if refresh and self._data: self.plot(self._data)
|
|---|
| [257] | 553 | return
|
|---|
| 554 |
|
|---|
| [1819] | 555 | def set_colors(self, colmap, refresh=True):
|
|---|
| [377] | 556 | """
|
|---|
| [1217] | 557 | Set the colours to be used. The plotter will cycle through
|
|---|
| 558 | these colours when lines are overlaid (stacking mode).
|
|---|
| [1021] | 559 | Parameters:
|
|---|
| [1217] | 560 | colmap: a list of colour names
|
|---|
| [1819] | 561 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 562 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 563 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 564 | Example:
|
|---|
| 565 | plotter.set_colors("red green blue")
|
|---|
| 566 | # If for example four lines are overlaid e.g I Q U V
|
|---|
| 567 | # 'I' will be 'red', 'Q' will be 'green', U will be 'blue'
|
|---|
| 568 | # and 'V' will be 'red' again.
|
|---|
| 569 | """
|
|---|
| [1217] | 570 | if isinstance(colmap,str):
|
|---|
| 571 | colmap = colmap.split()
|
|---|
| 572 | self._plotter.palette(0, colormap=colmap)
|
|---|
| [1819] | 573 | if refresh and self._data: self.plot(self._data)
|
|---|
| [710] | 574 |
|
|---|
| [1217] | 575 | # alias for english speakers
|
|---|
| 576 | set_colours = set_colors
|
|---|
| 577 |
|
|---|
| [1819] | 578 | def set_histogram(self, hist=True, linewidth=None, refresh=True):
|
|---|
| [1021] | 579 | """
|
|---|
| 580 | Enable/Disable histogram-like plotting.
|
|---|
| 581 | Parameters:
|
|---|
| 582 | hist: True (default) or False. The fisrt default
|
|---|
| 583 | is taken from the .asaprc setting
|
|---|
| 584 | plotter.histogram
|
|---|
| [1819] | 585 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 586 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 587 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [1021] | 588 | """
|
|---|
| [1023] | 589 | self._hist = hist
|
|---|
| [1101] | 590 | if isinstance(linewidth, float) or isinstance(linewidth, int):
|
|---|
| 591 | from matplotlib import rc as rcp
|
|---|
| 592 | rcp('lines', linewidth=linewidth)
|
|---|
| [1819] | 593 | if refresh and self._data: self.plot(self._data)
|
|---|
| [1023] | 594 |
|
|---|
| [1819] | 595 | def set_linestyles(self, linestyles=None, linewidth=None, refresh=True):
|
|---|
| [710] | 596 | """
|
|---|
| [734] | 597 | Set the linestyles to be used. The plotter will cycle through
|
|---|
| 598 | these linestyles when lines are overlaid (stacking mode) AND
|
|---|
| 599 | only one color has been set.
|
|---|
| [710] | 600 | Parameters:
|
|---|
| 601 | linestyles: a list of linestyles to use.
|
|---|
| 602 | 'line', 'dashed', 'dotted', 'dashdot',
|
|---|
| 603 | 'dashdotdot' and 'dashdashdot' are
|
|---|
| 604 | possible
|
|---|
| [1819] | 605 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 606 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 607 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [710] | 608 | Example:
|
|---|
| 609 | plotter.set_colors("black")
|
|---|
| 610 | plotter.set_linestyles("line dashed dotted dashdot")
|
|---|
| 611 | # If for example four lines are overlaid e.g I Q U V
|
|---|
| 612 | # 'I' will be 'solid', 'Q' will be 'dashed',
|
|---|
| 613 | # U will be 'dotted' and 'V' will be 'dashdot'.
|
|---|
| 614 | """
|
|---|
| 615 | if isinstance(linestyles,str):
|
|---|
| 616 | linestyles = linestyles.split()
|
|---|
| 617 | self._plotter.palette(color=0,linestyle=0,linestyles=linestyles)
|
|---|
| [1101] | 618 | if isinstance(linewidth, float) or isinstance(linewidth, int):
|
|---|
| 619 | from matplotlib import rc as rcp
|
|---|
| 620 | rcp('lines', linewidth=linewidth)
|
|---|
| [1819] | 621 | if refresh and self._data: self.plot(self._data)
|
|---|
| [710] | 622 |
|
|---|
| [1819] | 623 | def set_font(self, refresh=True,**kwargs):
|
|---|
| [1101] | 624 | """
|
|---|
| 625 | Set font properties.
|
|---|
| 626 | Parameters:
|
|---|
| 627 | family: one of 'sans-serif', 'serif', 'cursive', 'fantasy', 'monospace'
|
|---|
| 628 | style: one of 'normal' (or 'roman'), 'italic' or 'oblique'
|
|---|
| 629 | weight: one of 'normal or 'bold'
|
|---|
| 630 | size: the 'general' font size, individual elements can be adjusted
|
|---|
| 631 | seperately
|
|---|
| [1819] | 632 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 633 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 634 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [1101] | 635 | """
|
|---|
| 636 | from matplotlib import rc as rcp
|
|---|
| [1547] | 637 | fdict = {}
|
|---|
| 638 | for k,v in kwargs.iteritems():
|
|---|
| 639 | if v:
|
|---|
| 640 | fdict[k] = v
|
|---|
| [1556] | 641 | self._fp = FontProperties(**fdict)
|
|---|
| [1819] | 642 | if refresh and self._data: self.plot(self._data)
|
|---|
| [1101] | 643 |
|
|---|
| [2037] | 644 | def set_margin(self,margin=[],refresh=True):
|
|---|
| [1819] | 645 | """
|
|---|
| [2037] | 646 | Set margins between subplots and plot edges.
|
|---|
| [1819] | 647 | Parameters:
|
|---|
| [2037] | 648 | margin: a list of margins in figure coordinate (0-1),
|
|---|
| [1824] | 649 | i.e., fraction of the figure width or height.
|
|---|
| [1819] | 650 | The order of elements should be:
|
|---|
| 651 | [left, bottom, right, top, horizontal space btw panels,
|
|---|
| [1824] | 652 | vertical space btw panels].
|
|---|
| [1819] | 653 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 654 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 655 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| 656 | Note
|
|---|
| [2037] | 657 | * When margin is not specified, the values are reset to the defaults
|
|---|
| [1819] | 658 | of matplotlib.
|
|---|
| [1824] | 659 | * If any element is set to be None, the current value is adopted.
|
|---|
| [1819] | 660 | """
|
|---|
| [2037] | 661 | if margin == []: self._margins=self._reset_margin()
|
|---|
| [1824] | 662 | else:
|
|---|
| [2037] | 663 | self._margins=[None]*6
|
|---|
| 664 | self._margins[0:len(margin)]=margin
|
|---|
| 665 | #print "panel margin set to ",self._margins
|
|---|
| [1819] | 666 | if refresh and self._data: self.plot(self._data)
|
|---|
| 667 |
|
|---|
| [2037] | 668 | def _reset_margin(self):
|
|---|
| [1819] | 669 | ks=map(lambda x: 'figure.subplot.'+x,
|
|---|
| 670 | ['left','bottom','right','top','hspace','wspace'])
|
|---|
| 671 | return map(matplotlib.rcParams.get,ks)
|
|---|
| 672 |
|
|---|
| [1259] | 673 | def plot_lines(self, linecat=None, doppler=0.0, deltachan=10, rotate=90.0,
|
|---|
| [1146] | 674 | location=None):
|
|---|
| 675 | """
|
|---|
| [1158] | 676 | Plot a line catalog.
|
|---|
| 677 | Parameters:
|
|---|
| 678 | linecat: the linecatalog to plot
|
|---|
| [1168] | 679 | doppler: the velocity shift to apply to the frequencies
|
|---|
| [1158] | 680 | deltachan: the number of channels to include each side of the
|
|---|
| 681 | line to determine a local maximum/minimum
|
|---|
| [1927] | 682 | rotate: the rotation (in degrees) for the text label (default 90.0)
|
|---|
| [1158] | 683 | location: the location of the line annotation from the 'top',
|
|---|
| 684 | 'bottom' or alternate (None - the default)
|
|---|
| [1165] | 685 | Notes:
|
|---|
| 686 | If the spectrum is flagged no line will be drawn in that location.
|
|---|
| [1146] | 687 | """
|
|---|
| [1259] | 688 | if not self._data:
|
|---|
| 689 | raise RuntimeError("No scantable has been plotted yet.")
|
|---|
| [1146] | 690 | from asap._asap import linecatalog
|
|---|
| [1259] | 691 | if not isinstance(linecat, linecatalog):
|
|---|
| 692 | raise ValueError("'linecat' isn't of type linecatalog.")
|
|---|
| 693 | if not self._data.get_unit().endswith("Hz"):
|
|---|
| 694 | raise RuntimeError("Can only overlay linecatalogs when data is in frequency.")
|
|---|
| [1739] | 695 | from numpy import ma
|
|---|
| [1146] | 696 | for j in range(len(self._plotter.subplots)):
|
|---|
| 697 | self._plotter.subplot(j)
|
|---|
| 698 | lims = self._plotter.axes.get_xlim()
|
|---|
| [1153] | 699 | for row in range(linecat.nrow()):
|
|---|
| [1259] | 700 | # get_frequency returns MHz
|
|---|
| 701 | base = { "GHz": 1000.0, "MHz": 1.0, "Hz": 1.0e-6 }
|
|---|
| 702 | restf = linecat.get_frequency(row)/base[self._data.get_unit()]
|
|---|
| [1165] | 703 | c = 299792.458
|
|---|
| [1174] | 704 | freq = restf*(1.0-doppler/c)
|
|---|
| [1146] | 705 | if lims[0] < freq < lims[1]:
|
|---|
| 706 | if location is None:
|
|---|
| 707 | loc = 'bottom'
|
|---|
| [1153] | 708 | if row%2: loc='top'
|
|---|
| [1146] | 709 | else: loc = location
|
|---|
| [1153] | 710 | maxys = []
|
|---|
| 711 | for line in self._plotter.axes.lines:
|
|---|
| 712 | v = line._x
|
|---|
| 713 | asc = v[0] < v[-1]
|
|---|
| 714 |
|
|---|
| 715 | idx = None
|
|---|
| 716 | if not asc:
|
|---|
| 717 | if v[len(v)-1] <= freq <= v[0]:
|
|---|
| 718 | i = len(v)-1
|
|---|
| 719 | while i>=0 and v[i] < freq:
|
|---|
| 720 | idx = i
|
|---|
| 721 | i-=1
|
|---|
| 722 | else:
|
|---|
| 723 | if v[0] <= freq <= v[len(v)-1]:
|
|---|
| 724 | i = 0
|
|---|
| 725 | while i<len(v) and v[i] < freq:
|
|---|
| 726 | idx = i
|
|---|
| 727 | i+=1
|
|---|
| 728 | if idx is not None:
|
|---|
| 729 | lower = idx - deltachan
|
|---|
| 730 | upper = idx + deltachan
|
|---|
| 731 | if lower < 0: lower = 0
|
|---|
| 732 | if upper > len(v): upper = len(v)
|
|---|
| 733 | s = slice(lower, upper)
|
|---|
| [1167] | 734 | y = line._y[s]
|
|---|
| [1165] | 735 | maxy = ma.maximum(y)
|
|---|
| 736 | if isinstance( maxy, float):
|
|---|
| 737 | maxys.append(maxy)
|
|---|
| [1164] | 738 | if len(maxys):
|
|---|
| 739 | peak = max(maxys)
|
|---|
| [1165] | 740 | if peak > self._plotter.axes.get_ylim()[1]:
|
|---|
| 741 | loc = 'bottom'
|
|---|
| [1164] | 742 | else:
|
|---|
| 743 | continue
|
|---|
| [1157] | 744 | self._plotter.vline_with_label(freq, peak,
|
|---|
| 745 | linecat.get_name(row),
|
|---|
| 746 | location=loc, rotate=rotate)
|
|---|
| [1153] | 747 | self._plotter.show(hardrefresh=False)
|
|---|
| [1146] | 748 |
|
|---|
| [1153] | 749 |
|
|---|
| [710] | 750 | def save(self, filename=None, orientation=None, dpi=None):
|
|---|
| 751 | """
|
|---|
| [1927] | 752 | Save the plot to a file. The known formats are 'png', 'ps', 'eps'.
|
|---|
| [377] | 753 | Parameters:
|
|---|
| 754 | filename: The name of the output file. This is optional
|
|---|
| 755 | and autodetects the image format from the file
|
|---|
| 756 | suffix. If non filename is specified a file
|
|---|
| 757 | called 'yyyymmdd_hhmmss.png' is created in the
|
|---|
| 758 | current directory.
|
|---|
| [709] | 759 | orientation: optional parameter for postscript only (not eps).
|
|---|
| 760 | 'landscape', 'portrait' or None (default) are valid.
|
|---|
| 761 | If None is choosen for 'ps' output, the plot is
|
|---|
| 762 | automatically oriented to fill the page.
|
|---|
| [710] | 763 | dpi: The dpi of the output non-ps plot
|
|---|
| [377] | 764 | """
|
|---|
| [709] | 765 | self._plotter.save(filename,orientation,dpi)
|
|---|
| [377] | 766 | return
|
|---|
| [709] | 767 |
|
|---|
| [1862] | 768 | @asaplog_post_dec
|
|---|
| [1819] | 769 | def set_mask(self, mask=None, selection=None, refresh=True):
|
|---|
| [525] | 770 | """
|
|---|
| [734] | 771 | Set a plotting mask for a specific polarization.
|
|---|
| 772 | This is useful for masking out "noise" Pangle outside a source.
|
|---|
| 773 | Parameters:
|
|---|
| [920] | 774 | mask: a mask from scantable.create_mask
|
|---|
| 775 | selection: the spectra to apply the mask to.
|
|---|
| [1819] | 776 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 777 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 778 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| [734] | 779 | Example:
|
|---|
| [920] | 780 | select = selector()
|
|---|
| 781 | select.setpolstrings("Pangle")
|
|---|
| 782 | plotter.set_mask(mymask, select)
|
|---|
| [734] | 783 | """
|
|---|
| [710] | 784 | if not self._data:
|
|---|
| [920] | 785 | msg = "Can only set mask after a first call to plot()"
|
|---|
| [1859] | 786 | raise RuntimeError(msg)
|
|---|
| [920] | 787 | if len(mask):
|
|---|
| 788 | if isinstance(mask, list) or isinstance(mask, tuple):
|
|---|
| 789 | self._usermask = array(mask)
|
|---|
| [710] | 790 | else:
|
|---|
| [920] | 791 | self._usermask = mask
|
|---|
| 792 | if mask is None and selection is None:
|
|---|
| 793 | self._usermask = []
|
|---|
| 794 | self._maskselection = None
|
|---|
| 795 | if isinstance(selection, selector):
|
|---|
| [947] | 796 | self._maskselection = {'b': selection.get_beams(),
|
|---|
| 797 | 's': selection.get_scans(),
|
|---|
| 798 | 'i': selection.get_ifs(),
|
|---|
| 799 | 'p': selection.get_pols(),
|
|---|
| [920] | 800 | 't': [] }
|
|---|
| [710] | 801 | else:
|
|---|
| [920] | 802 | self._maskselection = None
|
|---|
| [1819] | 803 | if refresh: self.plot(self._data)
|
|---|
| [710] | 804 |
|
|---|
| [709] | 805 | def _slice_indeces(self, data):
|
|---|
| 806 | mn = self._minmaxx[0]
|
|---|
| 807 | mx = self._minmaxx[1]
|
|---|
| 808 | asc = data[0] < data[-1]
|
|---|
| 809 | start=0
|
|---|
| 810 | end = len(data)-1
|
|---|
| 811 | inc = 1
|
|---|
| 812 | if not asc:
|
|---|
| 813 | start = len(data)-1
|
|---|
| 814 | end = 0
|
|---|
| 815 | inc = -1
|
|---|
| 816 | # find min index
|
|---|
| [1819] | 817 | #while start > 0 and data[start] < mn:
|
|---|
| 818 | # start+= inc
|
|---|
| 819 | minind=start
|
|---|
| 820 | for ind in xrange(start,end+inc,inc):
|
|---|
| 821 | if data[ind] > mn: break
|
|---|
| 822 | minind=ind
|
|---|
| [709] | 823 | # find max index
|
|---|
| [1819] | 824 | #while end > 0 and data[end] > mx:
|
|---|
| 825 | # end-=inc
|
|---|
| 826 | #if end > 0: end +=1
|
|---|
| 827 | maxind=end
|
|---|
| 828 | for ind in xrange(end,start-inc,-inc):
|
|---|
| 829 | if data[ind] < mx: break
|
|---|
| 830 | maxind=ind
|
|---|
| 831 | start=minind
|
|---|
| 832 | end=maxind
|
|---|
| [709] | 833 | if start > end:
|
|---|
| [1819] | 834 | return end,start+1
|
|---|
| 835 | elif start < end:
|
|---|
| 836 | return start,end+1
|
|---|
| 837 | else:
|
|---|
| 838 | return start,end
|
|---|
| [709] | 839 |
|
|---|
| [710] | 840 | def _reset(self):
|
|---|
| [920] | 841 | self._usermask = []
|
|---|
| [710] | 842 | self._usermaskspectra = None
|
|---|
| [1897] | 843 | self._offset = None
|
|---|
| [920] | 844 | self.set_selection(None, False)
|
|---|
| [2051] | 845 | self._reset_header()
|
|---|
| [920] | 846 |
|
|---|
| [2051] | 847 | def _reset_header(self):
|
|---|
| [2053] | 848 | self._headtext={'string': None, 'textobj': None}
|
|---|
| [2051] | 849 |
|
|---|
| [920] | 850 | def _plot(self, scan):
|
|---|
| [947] | 851 | savesel = scan.get_selection()
|
|---|
| 852 | sel = savesel + self._selection
|
|---|
| [1910] | 853 | order = self._get_sortstring([self._panelling,self._stacking])
|
|---|
| 854 | if order:
|
|---|
| 855 | sel.set_order(order)
|
|---|
| [947] | 856 | scan.set_selection(sel)
|
|---|
| [920] | 857 | d = {'b': scan.getbeam, 's': scan.getscan,
|
|---|
| [1949] | 858 | 'i': scan.getif, 'p': scan.getpol, 't': scan.get_time,
|
|---|
| [1989] | 859 | 'r': int}#, '_r': int}
|
|---|
| [920] | 860 |
|
|---|
| [1148] | 861 | polmodes = dict(zip(self._selection.get_pols(),
|
|---|
| 862 | self._selection.get_poltypes()))
|
|---|
| 863 | # this returns either a tuple of numbers or a length (ncycles)
|
|---|
| 864 | # convert this into lengths
|
|---|
| 865 | n0,nstack0 = self._get_selected_n(scan)
|
|---|
| 866 | if isinstance(n0, int): n = n0
|
|---|
| [1175] | 867 | else: n = len(n0)
|
|---|
| [1148] | 868 | if isinstance(nstack0, int): nstack = nstack0
|
|---|
| [1175] | 869 | else: nstack = len(nstack0)
|
|---|
| [1989] | 870 | # In case of row stacking
|
|---|
| 871 | rowstack = False
|
|---|
| 872 | titlemode = self._panelling
|
|---|
| 873 | if self._stacking == "r" and self._panelling != "r":
|
|---|
| 874 | rowstack = True
|
|---|
| 875 | titlemode = '_r'
|
|---|
| [1913] | 876 | nptot = n
|
|---|
| [1582] | 877 | maxpanel, maxstack = 16,16
|
|---|
| [1913] | 878 | if nstack > maxstack:
|
|---|
| 879 | msg ="Scan to be overlayed contains more than %d selections.\n" \
|
|---|
| 880 | "Selecting first %d selections..." % (maxstack, maxstack)
|
|---|
| [920] | 881 | asaplog.push(msg)
|
|---|
| [1861] | 882 | asaplog.post('WARN')
|
|---|
| [998] | 883 | nstack = min(nstack,maxstack)
|
|---|
| [2038] | 884 | #n = min(n-self._ipanel-1,maxpanel)
|
|---|
| 885 | n = n-self._ipanel-1
|
|---|
| [2011] | 886 |
|
|---|
| 887 | ganged = False
|
|---|
| [920] | 888 | if n > 1:
|
|---|
| 889 | ganged = rcParams['plotter.ganged']
|
|---|
| [1819] | 890 | if self._panelling == 'i':
|
|---|
| 891 | ganged = False
|
|---|
| [920] | 892 | if self._rows and self._cols:
|
|---|
| 893 | n = min(n,self._rows*self._cols)
|
|---|
| 894 | self._plotter.set_panels(rows=self._rows,cols=self._cols,
|
|---|
| [2037] | 895 | nplots=n,margin=self._margins,ganged=ganged)
|
|---|
| [920] | 896 | else:
|
|---|
| [2038] | 897 | n = min(n,maxpanel)
|
|---|
| [2037] | 898 | self._plotter.set_panels(rows=n,cols=0,nplots=n,margin=self._margins,ganged=ganged)
|
|---|
| [920] | 899 | else:
|
|---|
| [2037] | 900 | self._plotter.set_panels(margin=self._margins)
|
|---|
| [1913] | 901 | #r = 0
|
|---|
| [1981] | 902 | r = self._startrow
|
|---|
| [920] | 903 | nr = scan.nrow()
|
|---|
| 904 | a0,b0 = -1,-1
|
|---|
| 905 | allxlim = []
|
|---|
| [1018] | 906 | allylim = []
|
|---|
| [1981] | 907 | #newpanel=True
|
|---|
| 908 | newpanel=False
|
|---|
| [920] | 909 | panelcount,stackcount = 0,0
|
|---|
| [1981] | 910 | # If this is not the first page
|
|---|
| 911 | if r > 0:
|
|---|
| 912 | # panelling value of the prev page
|
|---|
| 913 | a0 = d[self._panelling](r-1)
|
|---|
| 914 | # set the initial stackcount large not to plot
|
|---|
| 915 | # the start row automatically
|
|---|
| 916 | stackcount = nstack
|
|---|
| 917 |
|
|---|
| [1002] | 918 | while r < nr:
|
|---|
| [920] | 919 | a = d[self._panelling](r)
|
|---|
| 920 | b = d[self._stacking](r)
|
|---|
| 921 | if a > a0 and panelcount < n:
|
|---|
| 922 | if n > 1:
|
|---|
| 923 | self._plotter.subplot(panelcount)
|
|---|
| 924 | self._plotter.palette(0)
|
|---|
| 925 | #title
|
|---|
| 926 | xlab = self._abcissa and self._abcissa[panelcount] \
|
|---|
| 927 | or scan._getabcissalabel()
|
|---|
| [1897] | 928 | if self._offset and not self._abcissa:
|
|---|
| 929 | xlab += " (relative)"
|
|---|
| [920] | 930 | ylab = self._ordinate and self._ordinate[panelcount] \
|
|---|
| 931 | or scan._get_ordinate_label()
|
|---|
| [1547] | 932 | self._plotter.set_axes('xlabel', xlab)
|
|---|
| 933 | self._plotter.set_axes('ylabel', ylab)
|
|---|
| [1989] | 934 | #lbl = self._get_label(scan, r, self._panelling, self._title)
|
|---|
| 935 | lbl = self._get_label(scan, r, titlemode, self._title)
|
|---|
| [920] | 936 | if isinstance(lbl, list) or isinstance(lbl, tuple):
|
|---|
| 937 | if 0 <= panelcount < len(lbl):
|
|---|
| 938 | lbl = lbl[panelcount]
|
|---|
| 939 | else:
|
|---|
| 940 | # get default label
|
|---|
| [1989] | 941 | #lbl = self._get_label(scan, r, self._panelling, None)
|
|---|
| 942 | lbl = self._get_label(scan, r, titlemode, None)
|
|---|
| [920] | 943 | self._plotter.set_axes('title',lbl)
|
|---|
| 944 | newpanel = True
|
|---|
| [1913] | 945 | stackcount = 0
|
|---|
| [920] | 946 | panelcount += 1
|
|---|
| [1981] | 947 | # save the start row to plot this panel for future revisit.
|
|---|
| 948 | if self._panelling != 'r' and \
|
|---|
| 949 | len(self._panelrows) < self._ipanel+1+panelcount:
|
|---|
| 950 | self._panelrows += [r]
|
|---|
| 951 |
|
|---|
| [1944] | 952 | #if (b > b0 or newpanel) and stackcount < nstack:
|
|---|
| [1989] | 953 | if stackcount < nstack and (newpanel or rowstack or (a == a0 and b > b0)):
|
|---|
| [920] | 954 | y = []
|
|---|
| 955 | if len(polmodes):
|
|---|
| 956 | y = scan._getspectrum(r, polmodes[scan.getpol(r)])
|
|---|
| 957 | else:
|
|---|
| 958 | y = scan._getspectrum(r)
|
|---|
| [1995] | 959 | # flag application
|
|---|
| 960 | mr = scan._getflagrow(r)
|
|---|
| [1739] | 961 | from numpy import ma, array
|
|---|
| [1995] | 962 | if mr:
|
|---|
| 963 | y = ma.masked_array(y,mask=mr)
|
|---|
| 964 | else:
|
|---|
| 965 | m = scan._getmask(r)
|
|---|
| 966 | from numpy import logical_not, logical_and
|
|---|
| 967 | if self._maskselection and len(self._usermask) == len(m):
|
|---|
| 968 | if d[self._stacking](r) in self._maskselection[self._stacking]:
|
|---|
| 969 | m = logical_and(m, self._usermask)
|
|---|
| 970 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
|---|
| 971 |
|
|---|
| [1897] | 972 | x = array(scan._getabcissa(r))
|
|---|
| 973 | if self._offset:
|
|---|
| 974 | x += self._offset
|
|---|
| [920] | 975 | if self._minmaxx is not None:
|
|---|
| 976 | s,e = self._slice_indeces(x)
|
|---|
| 977 | x = x[s:e]
|
|---|
| 978 | y = y[s:e]
|
|---|
| [1096] | 979 | if len(x) > 1024 and rcParams['plotter.decimate']:
|
|---|
| 980 | fac = len(x)/1024
|
|---|
| [920] | 981 | x = x[::fac]
|
|---|
| 982 | y = y[::fac]
|
|---|
| 983 | llbl = self._get_label(scan, r, self._stacking, self._lmap)
|
|---|
| 984 | if isinstance(llbl, list) or isinstance(llbl, tuple):
|
|---|
| 985 | if 0 <= stackcount < len(llbl):
|
|---|
| 986 | # use user label
|
|---|
| 987 | llbl = llbl[stackcount]
|
|---|
| 988 | else:
|
|---|
| 989 | # get default label
|
|---|
| 990 | llbl = self._get_label(scan, r, self._stacking, None)
|
|---|
| 991 | self._plotter.set_line(label=llbl)
|
|---|
| [1023] | 992 | plotit = self._plotter.plot
|
|---|
| 993 | if self._hist: plotit = self._plotter.hist
|
|---|
| [1995] | 994 | if len(x) > 0 and not mr:
|
|---|
| [1146] | 995 | plotit(x,y)
|
|---|
| 996 | xlim= self._minmaxx or [min(x),max(x)]
|
|---|
| 997 | allxlim += xlim
|
|---|
| 998 | ylim= self._minmaxy or [ma.minimum(y),ma.maximum(y)]
|
|---|
| 999 | allylim += ylim
|
|---|
| [1819] | 1000 | else:
|
|---|
| 1001 | xlim = self._minmaxx or []
|
|---|
| 1002 | allxlim += xlim
|
|---|
| 1003 | ylim= self._minmaxy or []
|
|---|
| 1004 | allylim += ylim
|
|---|
| [920] | 1005 | stackcount += 1
|
|---|
| [1981] | 1006 | a0=a
|
|---|
| 1007 | b0=b
|
|---|
| [920] | 1008 | # last in colour stack -> autoscale x
|
|---|
| [1819] | 1009 | if stackcount == nstack and len(allxlim) > 0:
|
|---|
| [920] | 1010 | allxlim.sort()
|
|---|
| [1819] | 1011 | self._plotter.subplots[panelcount-1]['axes'].set_xlim([allxlim[0],allxlim[-1]])
|
|---|
| [1989] | 1012 | if ganged:
|
|---|
| 1013 | allxlim = [allxlim[0],allxlim[-1]]
|
|---|
| 1014 | else:
|
|---|
| 1015 | # clear
|
|---|
| 1016 | allxlim =[]
|
|---|
| [920] | 1017 |
|
|---|
| 1018 | newpanel = False
|
|---|
| [1981] | 1019 | #a0=a
|
|---|
| 1020 | #b0=b
|
|---|
| [920] | 1021 | # ignore following rows
|
|---|
| [1981] | 1022 | if (panelcount == n and stackcount == nstack) or (r == nr-1):
|
|---|
| [1018] | 1023 | # last panel -> autoscale y if ganged
|
|---|
| [1989] | 1024 | #if rcParams['plotter.ganged'] and len(allylim) > 0:
|
|---|
| 1025 | if ganged and len(allylim) > 0:
|
|---|
| [1018] | 1026 | allylim.sort()
|
|---|
| 1027 | self._plotter.set_limits(ylim=[allylim[0],allylim[-1]])
|
|---|
| [998] | 1028 | break
|
|---|
| [920] | 1029 | r+=1 # next row
|
|---|
| [1981] | 1030 |
|
|---|
| 1031 | # save the current counter for multi-page plotting
|
|---|
| 1032 | self._startrow = r+1
|
|---|
| 1033 | self._ipanel += panelcount
|
|---|
| [1913] | 1034 | if self._plotter.figmgr.casabar:
|
|---|
| [1981] | 1035 | if self._ipanel >= nptot-1:
|
|---|
| [1913] | 1036 | self._plotter.figmgr.casabar.disable_next()
|
|---|
| 1037 | else:
|
|---|
| 1038 | self._plotter.figmgr.casabar.enable_next()
|
|---|
| [1981] | 1039 | if self._ipanel + 1 - panelcount > 0:
|
|---|
| 1040 | self._plotter.figmgr.casabar.enable_prev()
|
|---|
| 1041 | else:
|
|---|
| 1042 | self._plotter.figmgr.casabar.disable_prev()
|
|---|
| 1043 |
|
|---|
| [947] | 1044 | #reset the selector to the scantable's original
|
|---|
| 1045 | scan.set_selection(savesel)
|
|---|
| [1824] | 1046 |
|
|---|
| [1819] | 1047 | #temporary switch-off for older matplotlib
|
|---|
| 1048 | #if self._fp is not None:
|
|---|
| 1049 | if self._fp is not None and getattr(self._plotter.figure,'findobj',False):
|
|---|
| [1556] | 1050 | for o in self._plotter.figure.findobj(Text):
|
|---|
| 1051 | o.set_fontproperties(self._fp)
|
|---|
| [920] | 1052 |
|
|---|
| [1910] | 1053 | def _get_sortstring(self, lorders):
|
|---|
| 1054 | d0 = {'s': 'SCANNO', 'b': 'BEAMNO', 'i':'IFNO',
|
|---|
| 1055 | 'p': 'POLNO', 'c': 'CYCLENO', 't' : 'TIME', 'r':None, '_r':None }
|
|---|
| [1944] | 1056 | if not (type(lorders) == list) and not (type(lorders) == tuple):
|
|---|
| [1910] | 1057 | return None
|
|---|
| 1058 | if len(lorders) > 0:
|
|---|
| 1059 | lsorts = []
|
|---|
| 1060 | for order in lorders:
|
|---|
| [1989] | 1061 | if order == "r":
|
|---|
| 1062 | # don't sort if row panelling/stacking
|
|---|
| 1063 | return None
|
|---|
| [1910] | 1064 | ssort = d0[order]
|
|---|
| 1065 | if ssort:
|
|---|
| 1066 | lsorts.append(ssort)
|
|---|
| 1067 | return lsorts
|
|---|
| 1068 | return None
|
|---|
| 1069 |
|
|---|
| [1582] | 1070 | def set_selection(self, selection=None, refresh=True, **kw):
|
|---|
| [1819] | 1071 | """
|
|---|
| 1072 | Parameters:
|
|---|
| 1073 | selection: a selector object (default unset the selection)
|
|---|
| 1074 | refresh: True (default) or False. If True, the plot is
|
|---|
| [1824] | 1075 | replotted based on the new parameter setting(s).
|
|---|
| [1819] | 1076 | Otherwise,the parameter(s) are set without replotting.
|
|---|
| 1077 | """
|
|---|
| [1582] | 1078 | if selection is None:
|
|---|
| 1079 | # reset
|
|---|
| 1080 | if len(kw) == 0:
|
|---|
| 1081 | self._selection = selector()
|
|---|
| 1082 | else:
|
|---|
| 1083 | # try keywords
|
|---|
| 1084 | for k in kw:
|
|---|
| 1085 | if k not in selector.fields:
|
|---|
| 1086 | raise KeyError("Invalid selection key '%s', valid keys are %s" % (k, selector.fields))
|
|---|
| 1087 | self._selection = selector(**kw)
|
|---|
| 1088 | elif isinstance(selection, selector):
|
|---|
| 1089 | self._selection = selection
|
|---|
| 1090 | else:
|
|---|
| 1091 | raise TypeError("'selection' is not of type selector")
|
|---|
| 1092 |
|
|---|
| [1910] | 1093 | order = self._get_sortstring([self._panelling,self._stacking])
|
|---|
| 1094 | if order:
|
|---|
| 1095 | self._selection.set_order(order)
|
|---|
| [1819] | 1096 | if refresh and self._data: self.plot(self._data)
|
|---|
| [920] | 1097 |
|
|---|
| 1098 | def _get_selected_n(self, scan):
|
|---|
| [1148] | 1099 | d1 = {'b': scan.getbeamnos, 's': scan.getscannos,
|
|---|
| [1910] | 1100 | 'i': scan.getifnos, 'p': scan.getpolnos, 't': scan.ncycle,
|
|---|
| [1989] | 1101 | 'r': scan.nrow}#, '_r': False}
|
|---|
| [1148] | 1102 | d2 = { 'b': self._selection.get_beams(),
|
|---|
| 1103 | 's': self._selection.get_scans(),
|
|---|
| 1104 | 'i': self._selection.get_ifs(),
|
|---|
| 1105 | 'p': self._selection.get_pols(),
|
|---|
| [1910] | 1106 | 't': self._selection.get_cycles(),
|
|---|
| [1989] | 1107 | 'r': False}#, '_r': 1}
|
|---|
| [920] | 1108 | n = d2[self._panelling] or d1[self._panelling]()
|
|---|
| 1109 | nstack = d2[self._stacking] or d1[self._stacking]()
|
|---|
| [1989] | 1110 | # handle row panelling/stacking
|
|---|
| 1111 | if self._panelling == 'r':
|
|---|
| 1112 | nstack = 1
|
|---|
| 1113 | elif self._stacking == 'r':
|
|---|
| 1114 | n = 1
|
|---|
| [920] | 1115 | return n,nstack
|
|---|
| 1116 |
|
|---|
| 1117 | def _get_label(self, scan, row, mode, userlabel=None):
|
|---|
| [1153] | 1118 | if isinstance(userlabel, list) and len(userlabel) == 0:
|
|---|
| 1119 | userlabel = " "
|
|---|
| [947] | 1120 | pms = dict(zip(self._selection.get_pols(),self._selection.get_poltypes()))
|
|---|
| [920] | 1121 | if len(pms):
|
|---|
| 1122 | poleval = scan._getpollabel(scan.getpol(row),pms[scan.getpol(row)])
|
|---|
| 1123 | else:
|
|---|
| 1124 | poleval = scan._getpollabel(scan.getpol(row),scan.poltype())
|
|---|
| 1125 | d = {'b': "Beam "+str(scan.getbeam(row)),
|
|---|
| [1819] | 1126 | #'s': scan._getsourcename(row),
|
|---|
| 1127 | 's': "Scan "+str(scan.getscan(row))+\
|
|---|
| 1128 | " ("+str(scan._getsourcename(row))+")",
|
|---|
| [920] | 1129 | 'i': "IF"+str(scan.getif(row)),
|
|---|
| [964] | 1130 | 'p': poleval,
|
|---|
| [1910] | 1131 | 't': str(scan.get_time(row)),
|
|---|
| 1132 | 'r': "row "+str(row),
|
|---|
| [1913] | 1133 | #'_r': str(scan.get_time(row))+",\nIF"+str(scan.getif(row))+", "+poleval+", Beam"+str(scan.getbeam(row)) }
|
|---|
| 1134 | '_r': "" }
|
|---|
| [920] | 1135 | return userlabel or d[mode]
|
|---|
| [1153] | 1136 |
|
|---|
| [1819] | 1137 | def plotazel(self, scan=None, outfile=None):
|
|---|
| [1391] | 1138 | """
|
|---|
| [1696] | 1139 | plot azimuth and elevation versus time of a scantable
|
|---|
| [1391] | 1140 | """
|
|---|
| [1923] | 1141 | visible = rcParams['plotter.gui']
|
|---|
| [1696] | 1142 | from matplotlib import pylab as PL
|
|---|
| 1143 | from matplotlib.dates import DateFormatter, timezone
|
|---|
| 1144 | from matplotlib.dates import HourLocator, MinuteLocator,SecondLocator, DayLocator
|
|---|
| [1391] | 1145 | from matplotlib.ticker import MultipleLocator
|
|---|
| [1739] | 1146 | from numpy import array, pi
|
|---|
| [1923] | 1147 | if not visible or not self._visible:
|
|---|
| 1148 | PL.ioff()
|
|---|
| 1149 | from matplotlib.backends.backend_agg import FigureCanvasAgg
|
|---|
| 1150 | PL.gcf().canvas.switch_backends(FigureCanvasAgg)
|
|---|
| [1819] | 1151 | self._data = scan
|
|---|
| 1152 | self._outfile = outfile
|
|---|
| [1556] | 1153 | dates = self._data.get_time(asdatetime=True)
|
|---|
| [1391] | 1154 | t = PL.date2num(dates)
|
|---|
| 1155 | tz = timezone('UTC')
|
|---|
| 1156 | PL.cla()
|
|---|
| 1157 | PL.ioff()
|
|---|
| 1158 | PL.clf()
|
|---|
| [2037] | 1159 | # Adjust subplot margins
|
|---|
| 1160 | if len(self._margins) != 6:
|
|---|
| 1161 | self.set_margin(refresh=False)
|
|---|
| 1162 | lef, bot, rig, top, wsp, hsp = self._margins
|
|---|
| [1819] | 1163 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top,
|
|---|
| 1164 | wspace=wsp,hspace=hsp)
|
|---|
| [1824] | 1165 |
|
|---|
| [1391] | 1166 | tdel = max(t) - min(t)
|
|---|
| 1167 | ax = PL.subplot(2,1,1)
|
|---|
| 1168 | el = array(self._data.get_elevation())*180./pi
|
|---|
| 1169 | PL.ylabel('El [deg.]')
|
|---|
| 1170 | dstr = dates[0].strftime('%Y/%m/%d')
|
|---|
| 1171 | if tdel > 1.0:
|
|---|
| 1172 | dstr2 = dates[len(dates)-1].strftime('%Y/%m/%d')
|
|---|
| 1173 | dstr = dstr + " - " + dstr2
|
|---|
| 1174 | majloc = DayLocator()
|
|---|
| 1175 | minloc = HourLocator(range(0,23,12))
|
|---|
| 1176 | timefmt = DateFormatter("%b%d")
|
|---|
| [1696] | 1177 | elif tdel > 24./60.:
|
|---|
| 1178 | timefmt = DateFormatter('%H:%M')
|
|---|
| 1179 | majloc = HourLocator()
|
|---|
| 1180 | minloc = MinuteLocator(30)
|
|---|
| [1391] | 1181 | else:
|
|---|
| [1696] | 1182 | timefmt = DateFormatter('%H:%M')
|
|---|
| 1183 | majloc = MinuteLocator(interval=5)
|
|---|
| 1184 | minloc = SecondLocator(30)
|
|---|
| 1185 |
|
|---|
| [1391] | 1186 | PL.title(dstr)
|
|---|
| [1819] | 1187 | if tdel == 0.0:
|
|---|
| 1188 | th = (t - PL.floor(t))*24.0
|
|---|
| 1189 | PL.plot(th,el,'o',markersize=2, markerfacecolor='b', markeredgecolor='b')
|
|---|
| 1190 | else:
|
|---|
| 1191 | PL.plot_date(t,el,'o', markersize=2, markerfacecolor='b', markeredgecolor='b',tz=tz)
|
|---|
| 1192 | #ax.grid(True)
|
|---|
| 1193 | ax.xaxis.set_major_formatter(timefmt)
|
|---|
| 1194 | ax.xaxis.set_major_locator(majloc)
|
|---|
| 1195 | ax.xaxis.set_minor_locator(minloc)
|
|---|
| [1391] | 1196 | ax.yaxis.grid(True)
|
|---|
| [1819] | 1197 | yloc = MultipleLocator(30)
|
|---|
| 1198 | ax.set_ylim(0,90)
|
|---|
| 1199 | ax.yaxis.set_major_locator(yloc)
|
|---|
| [1391] | 1200 | if tdel > 1.0:
|
|---|
| 1201 | labels = ax.get_xticklabels()
|
|---|
| 1202 | # PL.setp(labels, fontsize=10, rotation=45)
|
|---|
| 1203 | PL.setp(labels, fontsize=10)
|
|---|
| [1819] | 1204 |
|
|---|
| [1391] | 1205 | # Az plot
|
|---|
| 1206 | az = array(self._data.get_azimuth())*180./pi
|
|---|
| 1207 | if min(az) < 0:
|
|---|
| 1208 | for irow in range(len(az)):
|
|---|
| 1209 | if az[irow] < 0: az[irow] += 360.0
|
|---|
| 1210 |
|
|---|
| [1819] | 1211 | ax2 = PL.subplot(2,1,2)
|
|---|
| 1212 | #PL.xlabel('Time (UT [hour])')
|
|---|
| 1213 | PL.ylabel('Az [deg.]')
|
|---|
| 1214 | if tdel == 0.0:
|
|---|
| 1215 | PL.plot(th,az,'o',markersize=2, markeredgecolor='b',markerfacecolor='b')
|
|---|
| 1216 | else:
|
|---|
| 1217 | PL.plot_date(t,az,'o', markersize=2,markeredgecolor='b',markerfacecolor='b',tz=tz)
|
|---|
| 1218 | ax2.xaxis.set_major_formatter(timefmt)
|
|---|
| 1219 | ax2.xaxis.set_major_locator(majloc)
|
|---|
| 1220 | ax2.xaxis.set_minor_locator(minloc)
|
|---|
| 1221 | #ax2.grid(True)
|
|---|
| 1222 | ax2.set_ylim(0,360)
|
|---|
| [1696] | 1223 | ax2.yaxis.grid(True)
|
|---|
| [1819] | 1224 | #hfmt = DateFormatter('%H')
|
|---|
| 1225 | #hloc = HourLocator()
|
|---|
| 1226 | yloc = MultipleLocator(60)
|
|---|
| 1227 | ax2.yaxis.set_major_locator(yloc)
|
|---|
| 1228 | if tdel > 1.0:
|
|---|
| 1229 | labels = ax2.get_xticklabels()
|
|---|
| 1230 | PL.setp(labels, fontsize=10)
|
|---|
| 1231 | PL.xlabel('Time (UT [day])')
|
|---|
| 1232 | else:
|
|---|
| 1233 | PL.xlabel('Time (UT [hour])')
|
|---|
| 1234 |
|
|---|
| [1391] | 1235 | PL.ion()
|
|---|
| 1236 | PL.draw()
|
|---|
| [1819] | 1237 | if (self._outfile is not None):
|
|---|
| 1238 | PL.savefig(self._outfile)
|
|---|
| [1391] | 1239 |
|
|---|
| [1819] | 1240 | def plotpointing(self, scan=None, outfile=None):
|
|---|
| [1391] | 1241 | """
|
|---|
| 1242 | plot telescope pointings
|
|---|
| 1243 | """
|
|---|
| [1923] | 1244 | visible = rcParams['plotter.gui']
|
|---|
| [1696] | 1245 | from matplotlib import pylab as PL
|
|---|
| [1819] | 1246 | from numpy import array, pi
|
|---|
| [1923] | 1247 | if not visible or not self._visible:
|
|---|
| 1248 | PL.ioff()
|
|---|
| 1249 | from matplotlib.backends.backend_agg import FigureCanvasAgg
|
|---|
| 1250 | PL.gcf().canvas.switch_backends(FigureCanvasAgg)
|
|---|
| [1819] | 1251 | self._data = scan
|
|---|
| 1252 | self._outfile = outfile
|
|---|
| [1391] | 1253 | dir = array(self._data.get_directionval()).transpose()
|
|---|
| 1254 | ra = dir[0]*180./pi
|
|---|
| 1255 | dec = dir[1]*180./pi
|
|---|
| 1256 | PL.cla()
|
|---|
| [1819] | 1257 | #PL.ioff()
|
|---|
| [1391] | 1258 | PL.clf()
|
|---|
| [2037] | 1259 | # Adjust subplot margins
|
|---|
| 1260 | if len(self._margins) != 6:
|
|---|
| 1261 | self.set_margin(refresh=False)
|
|---|
| 1262 | lef, bot, rig, top, wsp, hsp = self._margins
|
|---|
| [1819] | 1263 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top,
|
|---|
| 1264 | wspace=wsp,hspace=hsp)
|
|---|
| 1265 | ax = PL.gca()
|
|---|
| 1266 | #ax = PL.axes([0.1,0.1,0.8,0.8])
|
|---|
| 1267 | #ax = PL.axes([0.1,0.1,0.8,0.8])
|
|---|
| [1391] | 1268 | ax.set_aspect('equal')
|
|---|
| [1696] | 1269 | PL.plot(ra, dec, 'b,')
|
|---|
| [1391] | 1270 | PL.xlabel('RA [deg.]')
|
|---|
| 1271 | PL.ylabel('Declination [deg.]')
|
|---|
| 1272 | PL.title('Telescope pointings')
|
|---|
| 1273 | [xmin,xmax,ymin,ymax] = PL.axis()
|
|---|
| 1274 | PL.axis([xmax,xmin,ymin,ymax])
|
|---|
| [1819] | 1275 | #PL.ion()
|
|---|
| [1391] | 1276 | PL.draw()
|
|---|
| [1819] | 1277 | if (self._outfile is not None):
|
|---|
| 1278 | PL.savefig(self._outfile)
|
|---|
| 1279 |
|
|---|
| 1280 | # plot total power data
|
|---|
| 1281 | # plotting in time is not yet implemented..
|
|---|
| [1862] | 1282 | @asaplog_post_dec
|
|---|
| [1819] | 1283 | def plottp(self, scan=None, outfile=None):
|
|---|
| 1284 | if self._plotter.is_dead:
|
|---|
| 1285 | if hasattr(self._plotter.figmgr,'casabar'):
|
|---|
| 1286 | del self._plotter.figmgr.casabar
|
|---|
| 1287 | self._plotter = self._newplotter()
|
|---|
| 1288 | self._plotter.figmgr.casabar=self._newcasabar()
|
|---|
| 1289 | self._plotter.hold()
|
|---|
| 1290 | self._plotter.clear()
|
|---|
| 1291 | from asap import scantable
|
|---|
| 1292 | if not self._data and not scan:
|
|---|
| 1293 | msg = "Input is not a scantable"
|
|---|
| 1294 | raise TypeError(msg)
|
|---|
| 1295 | if isinstance(scan, scantable):
|
|---|
| 1296 | if self._data is not None:
|
|---|
| 1297 | if scan != self._data:
|
|---|
| 1298 | self._data = scan
|
|---|
| 1299 | # reset
|
|---|
| 1300 | self._reset()
|
|---|
| 1301 | else:
|
|---|
| 1302 | self._data = scan
|
|---|
| 1303 | self._reset()
|
|---|
| 1304 | # ranges become invalid when abcissa changes?
|
|---|
| 1305 | #if self._abcunit and self._abcunit != self._data.get_unit():
|
|---|
| 1306 | # self._minmaxx = None
|
|---|
| 1307 | # self._minmaxy = None
|
|---|
| 1308 | # self._abcunit = self._data.get_unit()
|
|---|
| 1309 | # self._datamask = None
|
|---|
| 1310 |
|
|---|
| [2037] | 1311 | # Adjust subplot margins
|
|---|
| 1312 | if len(self._margins) !=6: self.set_margin(refresh=False)
|
|---|
| 1313 | lef, bot, rig, top, wsp, hsp = self._margins
|
|---|
| [1819] | 1314 | self._plotter.figure.subplots_adjust(
|
|---|
| 1315 | left=lef,bottom=bot,right=rig,top=top,wspace=wsp,hspace=hsp)
|
|---|
| 1316 | if self._plotter.figmgr.casabar: self._plotter.figmgr.casabar.disable_button()
|
|---|
| 1317 | self._plottp(self._data)
|
|---|
| 1318 | if self._minmaxy is not None:
|
|---|
| 1319 | self._plotter.set_limits(ylim=self._minmaxy)
|
|---|
| 1320 | self._plotter.release()
|
|---|
| 1321 | self._plotter.tidy()
|
|---|
| 1322 | self._plotter.show(hardrefresh=False)
|
|---|
| 1323 | return
|
|---|
| 1324 |
|
|---|
| 1325 | def _plottp(self,scan):
|
|---|
| 1326 | """
|
|---|
| 1327 | private method for plotting total power data
|
|---|
| 1328 | """
|
|---|
| 1329 | from numpy import ma, array, arange, logical_not
|
|---|
| 1330 | r=0
|
|---|
| 1331 | nr = scan.nrow()
|
|---|
| 1332 | a0,b0 = -1,-1
|
|---|
| 1333 | allxlim = []
|
|---|
| 1334 | allylim = []
|
|---|
| 1335 | y=[]
|
|---|
| 1336 | self._plotter.set_panels()
|
|---|
| 1337 | self._plotter.palette(0)
|
|---|
| 1338 | #title
|
|---|
| 1339 | #xlab = self._abcissa and self._abcissa[panelcount] \
|
|---|
| 1340 | # or scan._getabcissalabel()
|
|---|
| 1341 | #ylab = self._ordinate and self._ordinate[panelcount] \
|
|---|
| 1342 | # or scan._get_ordinate_label()
|
|---|
| 1343 | xlab = self._abcissa or 'row number' #or Time
|
|---|
| 1344 | ylab = self._ordinate or scan._get_ordinate_label()
|
|---|
| 1345 | self._plotter.set_axes('xlabel',xlab)
|
|---|
| 1346 | self._plotter.set_axes('ylabel',ylab)
|
|---|
| 1347 | lbl = self._get_label(scan, r, 's', self._title)
|
|---|
| 1348 | if isinstance(lbl, list) or isinstance(lbl, tuple):
|
|---|
| 1349 | # if 0 <= panelcount < len(lbl):
|
|---|
| 1350 | # lbl = lbl[panelcount]
|
|---|
| 1351 | # else:
|
|---|
| 1352 | # get default label
|
|---|
| 1353 | lbl = self._get_label(scan, r, self._panelling, None)
|
|---|
| 1354 | self._plotter.set_axes('title',lbl)
|
|---|
| 1355 | y=array(scan._get_column(scan._getspectrum,-1))
|
|---|
| 1356 | m = array(scan._get_column(scan._getmask,-1))
|
|---|
| 1357 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
|---|
| 1358 | x = arange(len(y))
|
|---|
| 1359 | # try to handle spectral data somewhat...
|
|---|
| 1360 | l,m = y.shape
|
|---|
| 1361 | if m > 1:
|
|---|
| 1362 | y=y.mean(axis=1)
|
|---|
| 1363 | plotit = self._plotter.plot
|
|---|
| 1364 | llbl = self._get_label(scan, r, self._stacking, None)
|
|---|
| 1365 | self._plotter.set_line(label=llbl)
|
|---|
| 1366 | if len(x) > 0:
|
|---|
| 1367 | plotit(x,y)
|
|---|
| 1368 |
|
|---|
| 1369 |
|
|---|
| 1370 | # forwards to matplotlib.Figure.text
|
|---|
| 1371 | def figtext(self, *args, **kwargs):
|
|---|
| 1372 | """
|
|---|
| 1373 | Add text to figure at location x,y (relative 0-1 coords).
|
|---|
| 1374 | This method forwards *args and **kwargs to a Matplotlib method,
|
|---|
| 1375 | matplotlib.Figure.text.
|
|---|
| 1376 | See the method help for detailed information.
|
|---|
| 1377 | """
|
|---|
| 1378 | self._plotter.text(*args, **kwargs)
|
|---|
| 1379 | # end matplotlib.Figure.text forwarding function
|
|---|
| 1380 |
|
|---|
| 1381 |
|
|---|
| 1382 | # printing header information
|
|---|
| [1862] | 1383 | @asaplog_post_dec
|
|---|
| [2053] | 1384 | def print_header(self, plot=True, fontsize=9, logger=False, selstr='', extrastr=''):
|
|---|
| [1819] | 1385 | """
|
|---|
| 1386 | print data (scantable) header on the plot and/or logger.
|
|---|
| 1387 | Parameters:
|
|---|
| [1824] | 1388 | plot: whether or not print header info on the plot.
|
|---|
| [2053] | 1389 | fontsize: header font size (valid only plot=True)
|
|---|
| [1819] | 1390 | logger: whether or not print header info on the logger.
|
|---|
| 1391 | selstr: additional selection string (not verified)
|
|---|
| [2053] | 1392 | extrastr: additional string to print at the beginning (not verified)
|
|---|
| [1819] | 1393 | """
|
|---|
| [1859] | 1394 | if not plot and not logger:
|
|---|
| 1395 | return
|
|---|
| 1396 | if not self._data:
|
|---|
| 1397 | raise RuntimeError("No scantable has been set yet.")
|
|---|
| [1824] | 1398 | # Now header will be printed on plot and/or logger.
|
|---|
| 1399 | # Get header information and format it.
|
|---|
| [1819] | 1400 | ssum=self._data.__str__()
|
|---|
| 1401 | # Print Observation header to the upper-left corner of plot
|
|---|
| [2053] | 1402 | headstr=[ssum[ssum.find('Observer:'):ssum.find('Flux Unit:')]]
|
|---|
| 1403 | headstr.append(ssum[ssum.find('Beams:'):ssum.find('Observer:')]
|
|---|
| 1404 | +ssum[ssum.find('Rest Freqs:'):ssum.find('Abcissa:')])
|
|---|
| 1405 | if extrastr != '':
|
|---|
| 1406 | headstr[0]=extrastr+'\n'+headstr[0]
|
|---|
| 1407 | self._headtext['extrastr'] = extrastr
|
|---|
| 1408 | if selstr != '': self._headtext['selstr'] = selstr
|
|---|
| 1409 | ssel=(selstr+self._data.get_selection().__str__() or 'none')
|
|---|
| 1410 | headstr.append('***Selections***\n'+ssel)
|
|---|
| [1824] | 1411 |
|
|---|
| [2051] | 1412 | if plot:
|
|---|
| [1819] | 1413 | self._plotter.hold()
|
|---|
| [2053] | 1414 | self._header_plot(headstr,fontsize=fontsize)
|
|---|
| [1819] | 1415 | import time
|
|---|
| 1416 | self._plotter.figure.text(0.99,0.0,
|
|---|
| 1417 | time.strftime("%a %d %b %Y %H:%M:%S %Z"),
|
|---|
| 1418 | horizontalalignment='right',
|
|---|
| 1419 | verticalalignment='bottom',fontsize=8)
|
|---|
| 1420 | self._plotter.release()
|
|---|
| 1421 | if logger:
|
|---|
| [2053] | 1422 | selstr = "Selections: "+ssel
|
|---|
| [1819] | 1423 | asaplog.push("----------------\n Plot Summary\n----------------")
|
|---|
| [2053] | 1424 | asaplog.push(extrastr)
|
|---|
| [2051] | 1425 | asaplog.push(ssum[ssum.find('Beams:'):ssum.find('Selection:')]\
|
|---|
| 1426 | + selstr + ssum[ssum.find('Scan Source'):])
|
|---|
| [2053] | 1427 | self._headtext['string'] = headstr
|
|---|
| 1428 | del ssel, ssum, headstr
|
|---|
| [2051] | 1429 |
|
|---|
| [2053] | 1430 | def _header_plot(self, texts, fontsize=9):
|
|---|
| 1431 | self._headtext['textobj']=[]
|
|---|
| 1432 | nstcol=len(texts)
|
|---|
| 1433 | for i in range(nstcol):
|
|---|
| 1434 | self._headtext['textobj'].append(
|
|---|
| 1435 | self._plotter.figure.text(0.03+float(i)/nstcol,0.98,
|
|---|
| 1436 | texts[i],
|
|---|
| 1437 | horizontalalignment='left',
|
|---|
| 1438 | verticalalignment='top',
|
|---|
| 1439 | fontsize=fontsize))
|
|---|
| 1440 |
|
|---|
| 1441 | def clear_header(self):
|
|---|
| 1442 | if not self._headtext['textobj']:
|
|---|
| 1443 | asaplog.push("No header has been plotted. Exit without any operation")
|
|---|
| 1444 | asaplog.post("WARN")
|
|---|
| 1445 | else:
|
|---|
| 1446 | self._plotter.hold()
|
|---|
| 1447 | for textobj in self._headtext['textobj']:
|
|---|
| 1448 | #if textobj.get_text() in self._headstring:
|
|---|
| 1449 | try:
|
|---|
| 1450 | textobj.remove()
|
|---|
| 1451 | except NotImplementedError:
|
|---|
| 1452 | self._plotter.figure.texts.pop(self._plotter.figure.texts.index(textobj))
|
|---|
| 1453 | self._plotter.release()
|
|---|
| 1454 | self._reset_header()
|
|---|
