1 | from asap.parameters import rcParams
|
---|
2 | from asap.selector import selector
|
---|
3 | from asap.scantable import scantable
|
---|
4 | from asap.logging import asaplog, asaplog_post_dec
|
---|
5 | import matplotlib.axes
|
---|
6 | from matplotlib.font_manager import FontProperties
|
---|
7 | from matplotlib.text import Text
|
---|
8 | from matplotlib import _pylab_helpers
|
---|
9 |
|
---|
10 | import re
|
---|
11 |
|
---|
12 | def new_asaplot(visible=None,**kwargs):
|
---|
13 | """
|
---|
14 | Returns a new asaplot instance based on the backend settings.
|
---|
15 | """
|
---|
16 | if visible == None:
|
---|
17 | visible = rcParams['plotter.gui']
|
---|
18 |
|
---|
19 | backend=matplotlib.get_backend()
|
---|
20 | if not visible:
|
---|
21 | from asap.asaplot import asaplot
|
---|
22 | elif backend == 'TkAgg':
|
---|
23 | from asap.asaplotgui import asaplotgui as asaplot
|
---|
24 | elif backend == 'Qt4Agg':
|
---|
25 | from asap.asaplotgui_qt4 import asaplotgui as asaplot
|
---|
26 | elif backend == 'GTkAgg':
|
---|
27 | from asap.asaplotgui_gtk import asaplotgui as asaplot
|
---|
28 | else:
|
---|
29 | from asap.asaplot import asaplot
|
---|
30 | return asaplot(**kwargs)
|
---|
31 |
|
---|
32 | class asapplotter:
|
---|
33 | """
|
---|
34 | The ASAP plotter.
|
---|
35 | By default the plotter is set up to plot polarisations
|
---|
36 | 'colour stacked' and scantables across panels.
|
---|
37 |
|
---|
38 | .. note::
|
---|
39 |
|
---|
40 | Currenly it only plots 'spectra' not Tsys or
|
---|
41 | other variables.
|
---|
42 |
|
---|
43 | """
|
---|
44 | def __init__(self, visible=None , **kwargs):
|
---|
45 | self._visible = rcParams['plotter.gui']
|
---|
46 | if visible is not None:
|
---|
47 | self._visible = visible
|
---|
48 | self._plotter = None
|
---|
49 | self._inikwg = kwargs
|
---|
50 |
|
---|
51 | ### plot settings
|
---|
52 | self._colormap = None
|
---|
53 | self._linestyles = None
|
---|
54 | self._fp = FontProperties()
|
---|
55 | self._rows = None
|
---|
56 | self._cols = None
|
---|
57 | self._minmaxx = None
|
---|
58 | self._minmaxy = None
|
---|
59 | self._margins = self.set_margin(refresh=False)
|
---|
60 | self._legendloc = None
|
---|
61 | ### scantable plot settings
|
---|
62 | self._plotmode = "spectra"
|
---|
63 | self._panelling = None
|
---|
64 | self._stacking = None
|
---|
65 | self.set_panelling()
|
---|
66 | self.set_stacking()
|
---|
67 | self._hist = rcParams['plotter.histogram']
|
---|
68 | ### scantable dependent settings
|
---|
69 | self._data = None
|
---|
70 | self._abcunit = None
|
---|
71 | self._headtext = {'string': None, 'textobj': None}
|
---|
72 | self._selection = selector()
|
---|
73 | self._usermask = []
|
---|
74 | self._maskselection = None
|
---|
75 | self._offset = None
|
---|
76 | self._lmap = None
|
---|
77 | self._title = None
|
---|
78 | self._ordinate = None
|
---|
79 | self._abcissa = None
|
---|
80 | ### cursors for page iteration
|
---|
81 | self._startrow = 0
|
---|
82 | self._ipanel = -1
|
---|
83 | self._panelrows = []
|
---|
84 |
|
---|
85 | def _translate(self, instr):
|
---|
86 | keys = "s b i p t r".split()
|
---|
87 | if isinstance(instr, str):
|
---|
88 | for key in keys:
|
---|
89 | if instr.lower().startswith(key):
|
---|
90 | return key
|
---|
91 | return None
|
---|
92 |
|
---|
93 | @asaplog_post_dec
|
---|
94 | def _reload_plotter(self):
|
---|
95 | if self._plotter is not None:
|
---|
96 | #if not self._plotter.is_dead:
|
---|
97 | # # clear lines and axes
|
---|
98 | # try:
|
---|
99 | # self._plotter.clear()
|
---|
100 | # except: # Can't remove when already killed.
|
---|
101 | # pass
|
---|
102 | if self.casabar_exists():
|
---|
103 | del self._plotter.figmgr.casabar
|
---|
104 | self._plotter.quit()
|
---|
105 | del self._plotter
|
---|
106 | asaplog.push('Loading new plotter')
|
---|
107 | self._plotter = new_asaplot(self._visible,**self._inikwg)
|
---|
108 | self._plotter.figmgr.casabar=self._new_custombar()
|
---|
109 | # just to make sure they're set
|
---|
110 | self._plotter.palette(color=0,colormap=self._colormap,
|
---|
111 | linestyle=0,linestyles=self._linestyles)
|
---|
112 | self._plotter.legend(self._legendloc)
|
---|
113 |
|
---|
114 | ### TODO: it's probably better to define following two methods in
|
---|
115 | ### backend dependent class.
|
---|
116 | def _new_custombar(self):
|
---|
117 | backend=matplotlib.get_backend()
|
---|
118 | if not self._visible:
|
---|
119 | return None
|
---|
120 | elif backend == "TkAgg":
|
---|
121 | from asap.customgui_tkagg import CustomToolbarTkAgg
|
---|
122 | return CustomToolbarTkAgg(self)
|
---|
123 | elif backend == "Qt4Agg":
|
---|
124 | from asap.customgui_qt4agg import CustomToolbarQT4Agg
|
---|
125 | return CustomToolbarQT4Agg(self)
|
---|
126 | return None
|
---|
127 |
|
---|
128 | def casabar_exists(self):
|
---|
129 | if not hasattr(self._plotter.figmgr,'casabar'):
|
---|
130 | return False
|
---|
131 | elif self._plotter.figmgr.casabar:
|
---|
132 | return True
|
---|
133 | return False
|
---|
134 | ### end of TODO
|
---|
135 |
|
---|
136 | def _assert_plotter(self,action="status",errmsg=None):
|
---|
137 | """
|
---|
138 | Check plot window status. Returns True if plot window is alive.
|
---|
139 | Parameters
|
---|
140 | action: An action to take if the plotter window is not alive.
|
---|
141 | ['status'|'reload'|'halt']
|
---|
142 | The action 'status' simply returns False if asaplot
|
---|
143 | is not alive. When action='reload', plot window is
|
---|
144 | reloaded and the method returns True. Finally, an
|
---|
145 | error is raised when action='halt'.
|
---|
146 | errmsg: An error (warning) message to send to the logger,
|
---|
147 | when plot window is not alive.
|
---|
148 | """
|
---|
149 | isAlive = (self._plotter is not None) and self._plotter._alive()
|
---|
150 | # More tests
|
---|
151 | #if isAlive:
|
---|
152 | # if self._plotter.figmgr:
|
---|
153 | # figmgr = self._plotter.figmgr
|
---|
154 | # figid = figmgr.num
|
---|
155 | # # Make sure figid=0 is what asapplotter expects.
|
---|
156 | # # It might be already destroied/overridden by matplotlib
|
---|
157 | # # commands or other plotting methods using asaplot.
|
---|
158 | # isAlive = _pylab_helpers.Gcf.has_fignum(figid) and \
|
---|
159 | # (figmgr == \
|
---|
160 | # _pylab_helpers.Gcf.get_fig_manager(figid))
|
---|
161 | # else:
|
---|
162 | # isAlive = False
|
---|
163 |
|
---|
164 | if isAlive:
|
---|
165 | return True
|
---|
166 | # Plotter is not alive.
|
---|
167 | haltmsg = "Plotter window has not yet been loaded or is closed."
|
---|
168 | if type(errmsg)==str and len(errmsg) > 0:
|
---|
169 | haltmsg = errmsg
|
---|
170 |
|
---|
171 | if action.upper().startswith("R"):
|
---|
172 | # reload plotter
|
---|
173 | self._reload_plotter()
|
---|
174 | return True
|
---|
175 | elif action.upper().startswith("H"):
|
---|
176 | # halt
|
---|
177 | asaplog.push(haltmsg)
|
---|
178 | asaplog.post("ERROR")
|
---|
179 | raise RuntimeError(haltmsg)
|
---|
180 | else:
|
---|
181 | if errmsg:
|
---|
182 | asaplog.push(errmsg)
|
---|
183 | asaplog.post("WARN")
|
---|
184 | return False
|
---|
185 |
|
---|
186 |
|
---|
187 | def gca(self):
|
---|
188 | errmsg = "No axis to retun. Need to plot first."
|
---|
189 | if not self._assert_plotter(action="status",errmsg=errmsg):
|
---|
190 | return None
|
---|
191 | return self._plotter.figure.gca()
|
---|
192 |
|
---|
193 | def refresh(self):
|
---|
194 | """Do a soft refresh"""
|
---|
195 | errmsg = "No figure to re-plot. Need to plot first."
|
---|
196 | self._assert_plotter(action="halt",errmsg=errmsg)
|
---|
197 |
|
---|
198 | self._plotter.figure.show()
|
---|
199 |
|
---|
200 | def save(self, filename=None, orientation=None, dpi=None):
|
---|
201 | """
|
---|
202 | Save the plot to a file. The known formats are 'png', 'ps', 'eps'.
|
---|
203 | Parameters:
|
---|
204 | filename: The name of the output file. This is optional
|
---|
205 | and autodetects the image format from the file
|
---|
206 | suffix. If non filename is specified a file
|
---|
207 | called 'yyyymmdd_hhmmss.png' is created in the
|
---|
208 | current directory.
|
---|
209 | orientation: optional parameter for postscript only (not eps).
|
---|
210 | 'landscape', 'portrait' or None (default) are valid.
|
---|
211 | If None is choosen for 'ps' output, the plot is
|
---|
212 | automatically oriented to fill the page.
|
---|
213 | dpi: The dpi of the output non-ps plot
|
---|
214 | """
|
---|
215 | errmsg = "Cannot save figure. Need to plot first."
|
---|
216 | self._assert_plotter(action="halt",errmsg=errmsg)
|
---|
217 |
|
---|
218 | self._plotter.save(filename,orientation,dpi)
|
---|
219 | return
|
---|
220 |
|
---|
221 | def create_mask(self, nwin=1, panel=0, color=None):
|
---|
222 | """
|
---|
223 | Interactively define a mask. It retruns a mask that is equivalent to
|
---|
224 | the one created manually with scantable.create_mask.
|
---|
225 | Parameters:
|
---|
226 | nwin: The number of mask windows to create interactively
|
---|
227 | default is 1.
|
---|
228 | panel: Which panel to use for mask selection. This is useful
|
---|
229 | if different IFs are spread over panels (default 0)
|
---|
230 | """
|
---|
231 | ## this method relies on already plotted figure
|
---|
232 | if not self._assert_plotter(action="status") or (self._data is None):
|
---|
233 | msg = "Cannot create mask interactively on plot. Can only create mask after plotting."
|
---|
234 | asaplog.push( msg )
|
---|
235 | asaplog.post( "ERROR" )
|
---|
236 | return []
|
---|
237 | outmask = []
|
---|
238 | self._plotter.subplot(panel)
|
---|
239 | xmin, xmax = self._plotter.axes.get_xlim()
|
---|
240 | marg = 0.05*(xmax-xmin)
|
---|
241 | self._plotter.axes.set_xlim(xmin-marg, xmax+marg)
|
---|
242 | self.refresh()
|
---|
243 |
|
---|
244 | def cleanup(lines=False, texts=False, refresh=False):
|
---|
245 | if lines:
|
---|
246 | del self._plotter.axes.lines[-1]
|
---|
247 | if texts:
|
---|
248 | del self._plotter.axes.texts[-1]
|
---|
249 | if refresh:
|
---|
250 | self.refresh()
|
---|
251 |
|
---|
252 | for w in xrange(nwin):
|
---|
253 | wpos = []
|
---|
254 | self.text(0.05,1.0, "Add start boundary",
|
---|
255 | coords="relative", fontsize=10)
|
---|
256 | point = self._plotter.get_point()
|
---|
257 | cleanup(texts=True)
|
---|
258 | if point is None:
|
---|
259 | continue
|
---|
260 | wpos.append(point[0])
|
---|
261 | self.axvline(wpos[0], color=color)
|
---|
262 | self.text(0.05,1.0, "Add end boundary", coords="relative", fontsize=10)
|
---|
263 | point = self._plotter.get_point()
|
---|
264 | cleanup(texts=True, lines=True)
|
---|
265 | if point is None:
|
---|
266 | self.refresh()
|
---|
267 | continue
|
---|
268 | wpos.append(point[0])
|
---|
269 | self.axvspan(wpos[0], wpos[1], alpha=0.1,
|
---|
270 | edgecolor=color, facecolor=color)
|
---|
271 | ymin, ymax = self._plotter.axes.get_ylim()
|
---|
272 | outmask.append(wpos)
|
---|
273 |
|
---|
274 | self._plotter.axes.set_xlim(xmin, xmax)
|
---|
275 | self.refresh()
|
---|
276 | if len(outmask) > 0:
|
---|
277 | return self._data.create_mask(*outmask)
|
---|
278 | return []
|
---|
279 |
|
---|
280 |
|
---|
281 | ### Forwards to methods in matplotlib axes ###
|
---|
282 | def text(self, *args, **kwargs):
|
---|
283 | self._assert_plotter(action="reload")
|
---|
284 | if kwargs.has_key("interactive"):
|
---|
285 | if kwargs.pop("interactive"):
|
---|
286 | pos = self._plotter.get_point()
|
---|
287 | args = tuple(pos)+args
|
---|
288 | self._axes_callback("text", *args, **kwargs)
|
---|
289 |
|
---|
290 | text.__doc__ = matplotlib.axes.Axes.text.__doc__
|
---|
291 |
|
---|
292 | def arrow(self, *args, **kwargs):
|
---|
293 | self._assert_plotter(action="reload")
|
---|
294 | if kwargs.has_key("interactive"):
|
---|
295 | if kwargs.pop("interactive"):
|
---|
296 | pos = self._plotter.get_region()
|
---|
297 | dpos = (pos[0][0], pos[0][1],
|
---|
298 | pos[1][0]-pos[0][0],
|
---|
299 | pos[1][1] - pos[0][1])
|
---|
300 | args = dpos + args
|
---|
301 | self._axes_callback("arrow", *args, **kwargs)
|
---|
302 |
|
---|
303 | arrow.__doc__ = matplotlib.axes.Axes.arrow.__doc__
|
---|
304 |
|
---|
305 | def annotate(self, text, xy=None, xytext=None, **kwargs):
|
---|
306 | self._assert_plotter(action="reload")
|
---|
307 | if kwargs.has_key("interactive"):
|
---|
308 | if kwargs.pop("interactive"):
|
---|
309 | xy = self._plotter.get_point()
|
---|
310 | xytext = self._plotter.get_point()
|
---|
311 | if not kwargs.has_key("arrowprops"):
|
---|
312 | kwargs["arrowprops"] = dict(arrowstyle="->")
|
---|
313 | self._axes_callback("annotate", text, xy, xytext, **kwargs)
|
---|
314 |
|
---|
315 | annotate.__doc__ = matplotlib.axes.Axes.annotate.__doc__
|
---|
316 |
|
---|
317 | def axvline(self, *args, **kwargs):
|
---|
318 | self._assert_plotter(action="reload")
|
---|
319 | if kwargs.has_key("interactive"):
|
---|
320 | if kwargs.pop("interactive"):
|
---|
321 | pos = self._plotter.get_point()
|
---|
322 | args = (pos[0],)+args
|
---|
323 | self._axes_callback("axvline", *args, **kwargs)
|
---|
324 |
|
---|
325 | axvline.__doc__ = matplotlib.axes.Axes.axvline.__doc__
|
---|
326 |
|
---|
327 | def axhline(self, *args, **kwargs):
|
---|
328 | self._assert_plotter(action="reload")
|
---|
329 | if kwargs.has_key("interactive"):
|
---|
330 | if kwargs.pop("interactive"):
|
---|
331 | pos = self._plotter.get_point()
|
---|
332 | args = (pos[1],)+args
|
---|
333 | self._axes_callback("axhline", *args, **kwargs)
|
---|
334 |
|
---|
335 | axhline.__doc__ = matplotlib.axes.Axes.axhline.__doc__
|
---|
336 |
|
---|
337 | def axvspan(self, *args, **kwargs):
|
---|
338 | self._assert_plotter(action="reload")
|
---|
339 | if kwargs.has_key("interactive"):
|
---|
340 | if kwargs.pop("interactive"):
|
---|
341 | pos = self._plotter.get_region()
|
---|
342 | dpos = (pos[0][0], pos[1][0])
|
---|
343 | args = dpos + args
|
---|
344 | self._axes_callback("axvspan", *args, **kwargs)
|
---|
345 | # hack to preventy mpl from redrawing the patch
|
---|
346 | # it seem to convert the patch into lines on every draw.
|
---|
347 | # This doesn't happen in a test script???
|
---|
348 | #del self._plotter.axes.patches[-1]
|
---|
349 |
|
---|
350 | axvspan.__doc__ = matplotlib.axes.Axes.axvspan.__doc__
|
---|
351 |
|
---|
352 | def axhspan(self, *args, **kwargs):
|
---|
353 | self._assert_plotter(action="reload")
|
---|
354 | if kwargs.has_key("interactive"):
|
---|
355 | if kwargs.pop("interactive"):
|
---|
356 | pos = self._plotter.get_region()
|
---|
357 | dpos = (pos[0][1], pos[1][1])
|
---|
358 | args = dpos + args
|
---|
359 | self._axes_callback("axhspan", *args, **kwargs)
|
---|
360 | # hack to preventy mpl from redrawing the patch
|
---|
361 | # it seem to convert the patch into lines on every draw.
|
---|
362 | # This doesn't happen in a test script???
|
---|
363 | #del self._plotter.axes.patches[-1]
|
---|
364 |
|
---|
365 | axhspan.__doc__ = matplotlib.axes.Axes.axhspan.__doc__
|
---|
366 |
|
---|
367 | def _axes_callback(self, axesfunc, *args, **kwargs):
|
---|
368 | self._assert_plotter(action="reload")
|
---|
369 | panel = 0
|
---|
370 | if kwargs.has_key("panel"):
|
---|
371 | panel = kwargs.pop("panel")
|
---|
372 | coords = None
|
---|
373 | if kwargs.has_key("coords"):
|
---|
374 | coords = kwargs.pop("coords")
|
---|
375 | if coords.lower() == 'world':
|
---|
376 | kwargs["transform"] = self._plotter.axes.transData
|
---|
377 | elif coords.lower() == 'relative':
|
---|
378 | kwargs["transform"] = self._plotter.axes.transAxes
|
---|
379 | self._plotter.subplot(panel)
|
---|
380 | self._plotter.axes.set_autoscale_on(False)
|
---|
381 | getattr(self._plotter.axes, axesfunc)(*args, **kwargs)
|
---|
382 | self._plotter.show(False)
|
---|
383 | self._plotter.axes.set_autoscale_on(True)
|
---|
384 | # end matplotlib.axes fowarding functions
|
---|
385 |
|
---|
386 |
|
---|
387 | ### Forwards to matplotlib.Figure.text ###
|
---|
388 | def figtext(self, *args, **kwargs):
|
---|
389 | """
|
---|
390 | Add text to figure at location x,y (relative 0-1 coords).
|
---|
391 | This method forwards *args and **kwargs to a Matplotlib method,
|
---|
392 | matplotlib.Figure.text.
|
---|
393 | See the method help for detailed information.
|
---|
394 | """
|
---|
395 | self._assert_plotter(action="reload")
|
---|
396 | self._plotter.text(*args, **kwargs)
|
---|
397 | # end matplotlib.Figure.text forwarding function
|
---|
398 |
|
---|
399 |
|
---|
400 | ### Set Plot parameters ###
|
---|
401 | @asaplog_post_dec
|
---|
402 | def set_data(self, scan, refresh=True):
|
---|
403 | """
|
---|
404 | Set a scantable to plot.
|
---|
405 | Parameters:
|
---|
406 | scan: a scantable
|
---|
407 | refresh: True (default) or False. If True, the plot is
|
---|
408 | replotted based on the new parameter setting(s).
|
---|
409 | Otherwise,the parameter(s) are set without replotting.
|
---|
410 | Note:
|
---|
411 | The user specified masks and data selections will be reset
|
---|
412 | if a new scantable is set. This method should be called before
|
---|
413 | setting data selections (set_selection) and/or masks (set_mask).
|
---|
414 | """
|
---|
415 | from asap import scantable
|
---|
416 | if isinstance(scan, scantable):
|
---|
417 | if (self._data is not None) and (scan != self._data):
|
---|
418 | del self._data
|
---|
419 | msg = "A new scantable is set to the plotter. "\
|
---|
420 | "The masks, data selections, and labels are reset."
|
---|
421 | asaplog.push(msg)
|
---|
422 | self._data = scan
|
---|
423 | # reset
|
---|
424 | self._reset()
|
---|
425 | else:
|
---|
426 | msg = "Input is not a scantable"
|
---|
427 | raise TypeError(msg)
|
---|
428 |
|
---|
429 | # ranges become invalid when unit changes
|
---|
430 | if self._abcunit and self._abcunit != self._data.get_unit():
|
---|
431 | self._minmaxx = None
|
---|
432 | self._minmaxy = None
|
---|
433 | self._abcunit = self._data.get_unit()
|
---|
434 | if refresh: self.plot()
|
---|
435 |
|
---|
436 | @asaplog_post_dec
|
---|
437 | def set_mode(self, stacking=None, panelling=None, refresh=True):
|
---|
438 | """
|
---|
439 | Set the plots look and feel, i.e. what you want to see on the plot.
|
---|
440 | Parameters:
|
---|
441 | stacking: tell the plotter which variable to plot
|
---|
442 | as line colour overlays (default 'pol')
|
---|
443 | panelling: tell the plotter which variable to plot
|
---|
444 | across multiple panels (default 'scan'
|
---|
445 | refresh: True (default) or False. If True, the plot is
|
---|
446 | replotted based on the new parameter setting(s).
|
---|
447 | Otherwise,the parameter(s) are set without replotting.
|
---|
448 | Note:
|
---|
449 | Valid modes are:
|
---|
450 | 'beam' 'Beam' 'b': Beams
|
---|
451 | 'if' 'IF' 'i': IFs
|
---|
452 | 'pol' 'Pol' 'p': Polarisations
|
---|
453 | 'scan' 'Scan' 's': Scans
|
---|
454 | 'time' 'Time' 't': Times
|
---|
455 | 'row' 'Row' 'r': Rows
|
---|
456 | When either 'stacking' or 'panelling' is set to 'row',
|
---|
457 | the other parameter setting is ignored.
|
---|
458 | """
|
---|
459 | msg = "Invalid mode"
|
---|
460 | if not self.set_panelling(panelling) or \
|
---|
461 | not self.set_stacking(stacking):
|
---|
462 | raise TypeError(msg)
|
---|
463 | #if self._panelling == 'r':
|
---|
464 | # self._stacking = '_r'
|
---|
465 | #if self._stacking == 'r':
|
---|
466 | # self._panelling = '_r'
|
---|
467 | if refresh and self._data: self.plot(self._data)
|
---|
468 | return
|
---|
469 |
|
---|
470 | def set_stacking(self, what=None):
|
---|
471 | """Set the 'stacking' mode i.e. which type of spectra should be
|
---|
472 | overlayed.
|
---|
473 | """
|
---|
474 | mode = what
|
---|
475 | if mode is None:
|
---|
476 | mode = rcParams['plotter.stacking']
|
---|
477 | md = self._translate(mode)
|
---|
478 | if md:
|
---|
479 | self._stacking = md
|
---|
480 | self._lmap = None
|
---|
481 | # new mode is set. need to reset counters for multi page plotting
|
---|
482 | self._reset_counters()
|
---|
483 | return True
|
---|
484 | return False
|
---|
485 |
|
---|
486 | def set_panelling(self, what=None):
|
---|
487 | """Set the 'panelling' mode i.e. which type of spectra should be
|
---|
488 | spread across different panels.
|
---|
489 | """
|
---|
490 |
|
---|
491 | mode = what
|
---|
492 | if mode is None:
|
---|
493 | mode = rcParams['plotter.panelling']
|
---|
494 | md = self._translate(mode)
|
---|
495 | if md:
|
---|
496 | self._panelling = md
|
---|
497 | self._title = None
|
---|
498 | # new mode is set. need to reset counters for multi page plotting
|
---|
499 | self._reset_counters()
|
---|
500 | return True
|
---|
501 | return False
|
---|
502 |
|
---|
503 | def set_layout(self,rows=None,cols=None,refresh=True):
|
---|
504 | """
|
---|
505 | Set the multi-panel layout, i.e. how many rows and columns plots
|
---|
506 | are visible.
|
---|
507 | Parameters:
|
---|
508 | rows: The number of rows of plots
|
---|
509 | cols: The number of columns of plots
|
---|
510 | refresh: True (default) or False. If True, the plot is
|
---|
511 | replotted based on the new parameter setting(s).
|
---|
512 | Otherwise,the parameter(s) are set without replotting.
|
---|
513 | Note:
|
---|
514 | If no argument is given, the potter reverts to its auto-plot
|
---|
515 | behaviour.
|
---|
516 | """
|
---|
517 | self._rows = rows
|
---|
518 | self._cols = cols
|
---|
519 | # new layout is set. need to reset counters for multi page plotting
|
---|
520 | self._reset_counters()
|
---|
521 | if refresh and self._data: self.plot(self._data)
|
---|
522 | return
|
---|
523 |
|
---|
524 | def set_range(self,xstart=None,xend=None,ystart=None,yend=None,refresh=True, offset=None):
|
---|
525 | """
|
---|
526 | Set the range of interest on the abcissa of the plot
|
---|
527 | Parameters:
|
---|
528 | [x,y]start,[x,y]end: The start and end points of the 'zoom' window
|
---|
529 | refresh: True (default) or False. If True, the plot is
|
---|
530 | replotted based on the new parameter setting(s).
|
---|
531 | Otherwise,the parameter(s) are set without replotting.
|
---|
532 | offset: shift the abcissa by the given amount. The abcissa label will
|
---|
533 | have '(relative)' appended to it.
|
---|
534 | Note:
|
---|
535 | These become non-sensical when the unit changes.
|
---|
536 | use plotter.set_range() without parameters to reset
|
---|
537 |
|
---|
538 | """
|
---|
539 | self._offset = offset
|
---|
540 | if xstart is None and xend is None:
|
---|
541 | self._minmaxx = None
|
---|
542 | else:
|
---|
543 | self._minmaxx = [xstart,xend]
|
---|
544 | if ystart is None and yend is None:
|
---|
545 | self._minmaxy = None
|
---|
546 | else:
|
---|
547 | self._minmaxy = [ystart,yend]
|
---|
548 | if refresh and self._data: self.plot(self._data)
|
---|
549 | return
|
---|
550 |
|
---|
551 | def set_legend(self, mp=None, fontsize = None, mode = 0, refresh=True):
|
---|
552 | """
|
---|
553 | Specify a mapping for the legend instead of using the default
|
---|
554 | indices:
|
---|
555 | Parameters:
|
---|
556 | mp: a list of 'strings'. This should have the same length
|
---|
557 | as the number of elements on the legend and then maps
|
---|
558 | to the indeces in order. It is possible to uses latex
|
---|
559 | math expression. These have to be enclosed in r'',
|
---|
560 | e.g. r'$x^{2}$'
|
---|
561 | fontsize: The font size of the label (default None)
|
---|
562 | mode: where to display the legend
|
---|
563 | Any other value for loc else disables the legend:
|
---|
564 | 0: auto
|
---|
565 | 1: upper right
|
---|
566 | 2: upper left
|
---|
567 | 3: lower left
|
---|
568 | 4: lower right
|
---|
569 | 5: right
|
---|
570 | 6: center left
|
---|
571 | 7: center right
|
---|
572 | 8: lower center
|
---|
573 | 9: upper center
|
---|
574 | 10: center
|
---|
575 | refresh: True (default) or False. If True, the plot is
|
---|
576 | replotted based on the new parameter setting(s).
|
---|
577 | Otherwise,the parameter(s) are set without replotting.
|
---|
578 |
|
---|
579 | Example:
|
---|
580 | If the data has two IFs/rest frequencies with index 0 and 1
|
---|
581 | for CO and SiO:
|
---|
582 | plotter.set_stacking('i')
|
---|
583 | plotter.set_legend(['CO','SiO'])
|
---|
584 | plotter.plot()
|
---|
585 | plotter.set_legend([r'$^{12}CO$', r'SiO'])
|
---|
586 | """
|
---|
587 | self._lmap = mp
|
---|
588 | #self._plotter.legend(mode)
|
---|
589 | self._legendloc = mode
|
---|
590 | if isinstance(fontsize, int):
|
---|
591 | from matplotlib import rc as rcp
|
---|
592 | rcp('legend', fontsize=fontsize)
|
---|
593 | if refresh and self._data: self.plot(self._data)
|
---|
594 | return
|
---|
595 |
|
---|
596 | def set_title(self, title=None, fontsize=None, refresh=True):
|
---|
597 | """
|
---|
598 | Set the title of sub-plots. If multiple sub-plots are plotted,
|
---|
599 | multiple titles have to be specified.
|
---|
600 | Parameters:
|
---|
601 | title: a list of titles of sub-plots.
|
---|
602 | fontsize: a font size of titles (integer)
|
---|
603 | refresh: True (default) or False. If True, the plot is
|
---|
604 | replotted based on the new parameter setting(s).
|
---|
605 | Otherwise,the parameter(s) are set without replotting.
|
---|
606 | Example:
|
---|
607 | # two panels are visible on the plotter
|
---|
608 | plotter.set_title(['First Panel','Second Panel'])
|
---|
609 | """
|
---|
610 | self._title = title
|
---|
611 | if isinstance(fontsize, int):
|
---|
612 | from matplotlib import rc as rcp
|
---|
613 | rcp('axes', titlesize=fontsize)
|
---|
614 | if refresh and self._data: self.plot(self._data)
|
---|
615 | return
|
---|
616 |
|
---|
617 | def set_ordinate(self, ordinate=None, fontsize=None, refresh=True):
|
---|
618 | """
|
---|
619 | Set the y-axis label of the plot. If multiple panels are plotted,
|
---|
620 | multiple labels have to be specified.
|
---|
621 | Parameters:
|
---|
622 | ordinate: a list of ordinate labels. None (default) let
|
---|
623 | data determine the labels
|
---|
624 | fontsize: a font size of vertical axis labels (integer)
|
---|
625 | refresh: True (default) or False. If True, the plot is
|
---|
626 | replotted based on the new parameter setting(s).
|
---|
627 | Otherwise,the parameter(s) are set without replotting.
|
---|
628 | Example:
|
---|
629 | # two panels are visible on the plotter
|
---|
630 | plotter.set_ordinate(['First Y-Axis','Second Y-Axis'])
|
---|
631 | """
|
---|
632 | self._ordinate = ordinate
|
---|
633 | if isinstance(fontsize, int):
|
---|
634 | from matplotlib import rc as rcp
|
---|
635 | rcp('axes', labelsize=fontsize)
|
---|
636 | rcp('ytick', labelsize=fontsize)
|
---|
637 | if refresh and self._data: self.plot(self._data)
|
---|
638 | return
|
---|
639 |
|
---|
640 | def set_abcissa(self, abcissa=None, fontsize=None, refresh=True):
|
---|
641 | """
|
---|
642 | Set the x-axis label of the plot. If multiple panels are plotted,
|
---|
643 | multiple labels have to be specified.
|
---|
644 | Parameters:
|
---|
645 | abcissa: a list of abcissa labels. None (default) let
|
---|
646 | data determine the labels
|
---|
647 | fontsize: a font size of horizontal axis labels (integer)
|
---|
648 | refresh: True (default) or False. If True, the plot is
|
---|
649 | replotted based on the new parameter setting(s).
|
---|
650 | Otherwise,the parameter(s) are set without replotting.
|
---|
651 | Example:
|
---|
652 | # two panels are visible on the plotter
|
---|
653 | plotter.set_ordinate(['First X-Axis','Second X-Axis'])
|
---|
654 | """
|
---|
655 | self._abcissa = abcissa
|
---|
656 | if isinstance(fontsize, int):
|
---|
657 | from matplotlib import rc as rcp
|
---|
658 | rcp('axes', labelsize=fontsize)
|
---|
659 | rcp('xtick', labelsize=fontsize)
|
---|
660 | if refresh and self._data: self.plot(self._data)
|
---|
661 | return
|
---|
662 |
|
---|
663 | def set_histogram(self, hist=True, linewidth=None, refresh=True):
|
---|
664 | """
|
---|
665 | Enable/Disable histogram-like plotting.
|
---|
666 | Parameters:
|
---|
667 | hist: True (default) or False. The fisrt default
|
---|
668 | is taken from the .asaprc setting
|
---|
669 | plotter.histogram
|
---|
670 | linewidth: a line width
|
---|
671 | refresh: True (default) or False. If True, the plot is
|
---|
672 | replotted based on the new parameter setting(s).
|
---|
673 | Otherwise,the parameter(s) are set without replotting.
|
---|
674 | """
|
---|
675 | self._hist = hist
|
---|
676 | if isinstance(linewidth, float) or isinstance(linewidth, int):
|
---|
677 | from matplotlib import rc as rcp
|
---|
678 | rcp('lines', linewidth=linewidth)
|
---|
679 | if refresh and self._data: self.plot(self._data)
|
---|
680 |
|
---|
681 | def set_colors(self, colmap, refresh=True):
|
---|
682 | """
|
---|
683 | Set the colours to be used. The plotter will cycle through
|
---|
684 | these colours when lines are overlaid (stacking mode).
|
---|
685 | Parameters:
|
---|
686 | colmap: a list of colour names
|
---|
687 | refresh: True (default) or False. If True, the plot is
|
---|
688 | replotted based on the new parameter setting(s).
|
---|
689 | Otherwise,the parameter(s) are set without replotting.
|
---|
690 | Example:
|
---|
691 | plotter.set_colors('red green blue')
|
---|
692 | # If for example four lines are overlaid e.g I Q U V
|
---|
693 | # 'I' will be 'red', 'Q' will be 'green', U will be 'blue'
|
---|
694 | # and 'V' will be 'red' again.
|
---|
695 | """
|
---|
696 | #if isinstance(colmap,str):
|
---|
697 | # colmap = colmap.split()
|
---|
698 | #self._plotter.palette(0, colormap=colmap)
|
---|
699 | self._colormap = colmap
|
---|
700 | if refresh and self._data: self.plot(self._data)
|
---|
701 |
|
---|
702 | # alias for english speakers
|
---|
703 | set_colours = set_colors
|
---|
704 |
|
---|
705 | def set_linestyles(self, linestyles=None, linewidth=None, refresh=True):
|
---|
706 | """
|
---|
707 | Set the linestyles to be used. The plotter will cycle through
|
---|
708 | these linestyles when lines are overlaid (stacking mode) AND
|
---|
709 | only one color has been set.
|
---|
710 | Parameters:
|
---|
711 | linestyles: a list of linestyles to use.
|
---|
712 | 'line', 'dashed', 'dotted', 'dashdot',
|
---|
713 | 'dashdotdot' and 'dashdashdot' are
|
---|
714 | possible
|
---|
715 | linewidth: a line width
|
---|
716 | refresh: True (default) or False. If True, the plot is
|
---|
717 | replotted based on the new parameter setting(s).
|
---|
718 | Otherwise,the parameter(s) are set without replotting.
|
---|
719 | Example:
|
---|
720 | plotter.set_colors('black')
|
---|
721 | plotter.set_linestyles('line dashed dotted dashdot')
|
---|
722 | # If for example four lines are overlaid e.g I Q U V
|
---|
723 | # 'I' will be 'solid', 'Q' will be 'dashed',
|
---|
724 | # U will be 'dotted' and 'V' will be 'dashdot'.
|
---|
725 | """
|
---|
726 | #if isinstance(linestyles,str):
|
---|
727 | # linestyles = linestyles.split()
|
---|
728 | #self._plotter.palette(color=0,linestyle=0,linestyles=linestyles)
|
---|
729 | self._linestyles = linestyles
|
---|
730 | if isinstance(linewidth, float) or isinstance(linewidth, int):
|
---|
731 | from matplotlib import rc as rcp
|
---|
732 | rcp('lines', linewidth=linewidth)
|
---|
733 | if refresh and self._data: self.plot(self._data)
|
---|
734 |
|
---|
735 | def set_font(self, refresh=True,**kwargs):
|
---|
736 | """
|
---|
737 | Set font properties.
|
---|
738 | Parameters:
|
---|
739 | family: one of 'sans-serif', 'serif', 'cursive', 'fantasy', 'monospace'
|
---|
740 | style: one of 'normal' (or 'roman'), 'italic' or 'oblique'
|
---|
741 | weight: one of 'normal or 'bold'
|
---|
742 | size: the 'general' font size, individual elements can be adjusted
|
---|
743 | seperately
|
---|
744 | refresh: True (default) or False. If True, the plot is
|
---|
745 | replotted based on the new parameter setting(s).
|
---|
746 | Otherwise,the parameter(s) are set without replotting.
|
---|
747 | """
|
---|
748 | from matplotlib import rc as rcp
|
---|
749 | fdict = {}
|
---|
750 | for k,v in kwargs.iteritems():
|
---|
751 | if v:
|
---|
752 | fdict[k] = v
|
---|
753 | self._fp = FontProperties(**fdict)
|
---|
754 | if refresh and self._data: self.plot(self._data)
|
---|
755 |
|
---|
756 | def set_margin(self,margin=[],refresh=True):
|
---|
757 | """
|
---|
758 | Set margins between subplots and plot edges.
|
---|
759 | Parameters:
|
---|
760 | margin: a list of margins in figure coordinate (0-1),
|
---|
761 | i.e., fraction of the figure width or height.
|
---|
762 | The order of elements should be:
|
---|
763 | [left, bottom, right, top, horizontal space btw panels,
|
---|
764 | vertical space btw panels].
|
---|
765 | refresh: True (default) or False. If True, the plot is
|
---|
766 | replotted based on the new parameter setting(s).
|
---|
767 | Otherwise,the parameter(s) are set without replotting.
|
---|
768 | Note
|
---|
769 | * When margin is not specified, the values are reset to the defaults
|
---|
770 | of matplotlib.
|
---|
771 | * If any element is set to be None, the current value is adopted.
|
---|
772 | """
|
---|
773 | if margin == []: self._margins=self._reset_margin()
|
---|
774 | else:
|
---|
775 | self._margins=[None]*6
|
---|
776 | self._margins[0:len(margin)]=margin
|
---|
777 | #print "panel margin set to ",self._margins
|
---|
778 | if refresh and self._data: self.plot(self._data)
|
---|
779 |
|
---|
780 | def _reset_margin(self):
|
---|
781 | ks=map(lambda x: 'figure.subplot.'+x,
|
---|
782 | ['left','bottom','right','top','hspace','wspace'])
|
---|
783 | return map(matplotlib.rcParams.get,ks)
|
---|
784 |
|
---|
785 | def plot_lines(self, linecat=None, doppler=0.0, deltachan=10, rotate=90.0,
|
---|
786 | location=None):
|
---|
787 | """
|
---|
788 | Plot a line catalog.
|
---|
789 | Parameters:
|
---|
790 | linecat: the linecatalog to plot
|
---|
791 | doppler: the velocity shift to apply to the frequencies
|
---|
792 | deltachan: the number of channels to include each side of the
|
---|
793 | line to determine a local maximum/minimum
|
---|
794 | rotate: the rotation (in degrees) for the text label (default 90.0)
|
---|
795 | location: the location of the line annotation from the 'top',
|
---|
796 | 'bottom' or alternate (None - the default)
|
---|
797 | Notes:
|
---|
798 | If the spectrum is flagged no line will be drawn in that location.
|
---|
799 | """
|
---|
800 | errmsg = "Cannot plot spectral lines. Need to plot scantable first."
|
---|
801 | self._assert_plotter(action="halt",errmsg=errmsg)
|
---|
802 | if not self._data:
|
---|
803 | raise RuntimeError("No scantable has been plotted yet.")
|
---|
804 | from asap._asap import linecatalog
|
---|
805 | if not isinstance(linecat, linecatalog):
|
---|
806 | raise ValueError("'linecat' isn't of type linecatalog.")
|
---|
807 | if not self._data.get_unit().endswith("Hz"):
|
---|
808 | raise RuntimeError("Can only overlay linecatalogs when data is in frequency.")
|
---|
809 | from numpy import ma
|
---|
810 | for j in range(len(self._plotter.subplots)):
|
---|
811 | self._plotter.subplot(j)
|
---|
812 | lims = self._plotter.axes.get_xlim()
|
---|
813 | for row in range(linecat.nrow()):
|
---|
814 | # get_frequency returns MHz
|
---|
815 | base = { "GHz": 1000.0, "MHz": 1.0, "Hz": 1.0e-6 }
|
---|
816 | restf = linecat.get_frequency(row)/base[self._data.get_unit()]
|
---|
817 | c = 299792.458
|
---|
818 | freq = restf*(1.0-doppler/c)
|
---|
819 | if lims[0] < freq < lims[1]:
|
---|
820 | if location is None:
|
---|
821 | loc = 'bottom'
|
---|
822 | if row%2: loc='top'
|
---|
823 | else: loc = location
|
---|
824 | maxys = []
|
---|
825 | for line in self._plotter.axes.lines:
|
---|
826 | v = line._x
|
---|
827 | asc = v[0] < v[-1]
|
---|
828 |
|
---|
829 | idx = None
|
---|
830 | if not asc:
|
---|
831 | if v[len(v)-1] <= freq <= v[0]:
|
---|
832 | i = len(v)-1
|
---|
833 | while i>=0 and v[i] < freq:
|
---|
834 | idx = i
|
---|
835 | i-=1
|
---|
836 | else:
|
---|
837 | if v[0] <= freq <= v[len(v)-1]:
|
---|
838 | i = 0
|
---|
839 | while i<len(v) and v[i] < freq:
|
---|
840 | idx = i
|
---|
841 | i+=1
|
---|
842 | if idx is not None:
|
---|
843 | lower = idx - deltachan
|
---|
844 | upper = idx + deltachan
|
---|
845 | if lower < 0: lower = 0
|
---|
846 | if upper > len(v): upper = len(v)
|
---|
847 | s = slice(lower, upper)
|
---|
848 | y = line._y[s]
|
---|
849 | maxy = ma.maximum(y)
|
---|
850 | if isinstance( maxy, float):
|
---|
851 | maxys.append(maxy)
|
---|
852 | if len(maxys):
|
---|
853 | peak = max(maxys)
|
---|
854 | if peak > self._plotter.axes.get_ylim()[1]:
|
---|
855 | loc = 'bottom'
|
---|
856 | else:
|
---|
857 | continue
|
---|
858 | self._plotter.vline_with_label(freq, peak,
|
---|
859 | linecat.get_name(row),
|
---|
860 | location=loc, rotate=rotate)
|
---|
861 | self._plotter.show(hardrefresh=False)
|
---|
862 |
|
---|
863 |
|
---|
864 | def set_selection(self, selection=None, refresh=True, **kw):
|
---|
865 | """
|
---|
866 | Parameters:
|
---|
867 | selection: a selector object (default unset the selection)
|
---|
868 | refresh: True (default) or False. If True, the plot is
|
---|
869 | replotted based on the new parameter setting(s).
|
---|
870 | Otherwise,the parameter(s) are set without replotting.
|
---|
871 | """
|
---|
872 | if selection is None:
|
---|
873 | # reset
|
---|
874 | if len(kw) == 0:
|
---|
875 | self._selection = selector()
|
---|
876 | else:
|
---|
877 | # try keywords
|
---|
878 | for k in kw:
|
---|
879 | if k not in selector.fields:
|
---|
880 | raise KeyError("Invalid selection key '%s', valid keys are %s" % (k, selector.fields))
|
---|
881 | self._selection = selector(**kw)
|
---|
882 | elif isinstance(selection, selector):
|
---|
883 | self._selection = selection
|
---|
884 | else:
|
---|
885 | raise TypeError("'selection' is not of type selector")
|
---|
886 |
|
---|
887 | order = self._get_sortstring([self._panelling,self._stacking])
|
---|
888 | if order:
|
---|
889 | self._selection.set_order(order)
|
---|
890 | if refresh and self._data:
|
---|
891 | self.plot()
|
---|
892 |
|
---|
893 | @asaplog_post_dec
|
---|
894 | def set_mask(self, mask=None, selection=None, refresh=True):
|
---|
895 | """
|
---|
896 | Set a plotting mask for a specific polarization.
|
---|
897 | This is useful for masking out 'noise' Pangle outside a source.
|
---|
898 | Parameters:
|
---|
899 | mask: a mask from scantable.create_mask
|
---|
900 | selection: the spectra to apply the mask to.
|
---|
901 | refresh: True (default) or False. If True, the plot is
|
---|
902 | replotted based on the new parameter setting(s).
|
---|
903 | Otherwise,the parameter(s) are set without replotting.
|
---|
904 | Example:
|
---|
905 | select = selector()
|
---|
906 | select.setpolstrings('Pangle')
|
---|
907 | plotter.set_mask(mymask, select)
|
---|
908 | """
|
---|
909 | if not self._data:
|
---|
910 | msg = "Can only set mask after a first call to plot()"
|
---|
911 | raise RuntimeError(msg)
|
---|
912 | if (mask is not None) and len(mask):
|
---|
913 | if isinstance(mask, list) or isinstance(mask, tuple):
|
---|
914 | self._usermask = array(mask)
|
---|
915 | else:
|
---|
916 | self._usermask = mask
|
---|
917 | if mask is None and selection is None:
|
---|
918 | self._usermask = []
|
---|
919 | self._maskselection = None
|
---|
920 | if isinstance(selection, selector):
|
---|
921 | self._maskselection = {'b': selection.get_beams(),
|
---|
922 | 's': selection.get_scans(),
|
---|
923 | 'i': selection.get_ifs(),
|
---|
924 | 'p': selection.get_pols(),
|
---|
925 | 't': [] }
|
---|
926 | else:
|
---|
927 | self._maskselection = None
|
---|
928 | if refresh: self.plot(self._data)
|
---|
929 |
|
---|
930 |
|
---|
931 | ### Reset methods ###
|
---|
932 | def _reset(self):
|
---|
933 | """Reset method called when new data is set"""
|
---|
934 | # reset selections and masks
|
---|
935 | self.set_selection(None, False)
|
---|
936 | self.set_mask(None, None, False)
|
---|
937 | # reset offset
|
---|
938 | self._offset = None
|
---|
939 | # reset header
|
---|
940 | self._reset_header()
|
---|
941 | # reset labels
|
---|
942 | self._lmap = None # related to stack
|
---|
943 | self.set_title(None, None, False)
|
---|
944 | self.set_ordinate(None, None, False)
|
---|
945 | self.set_abcissa(None, None, False)
|
---|
946 |
|
---|
947 | def _reset_header(self):
|
---|
948 | self._headtext={'string': None, 'textobj': None}
|
---|
949 |
|
---|
950 | def _reset_counter(self):
|
---|
951 | self._startrow = 0
|
---|
952 | self._ipanel = -1
|
---|
953 | self._panelrows = []
|
---|
954 | self._reset_header()
|
---|
955 | if self.casabar_exists():
|
---|
956 | self._plotter.figmgr.casabar.set_pagecounter(1)
|
---|
957 |
|
---|
958 | def _reset_counters(self):
|
---|
959 | self._startrow = 0
|
---|
960 | self._ipanel = -1
|
---|
961 | self._panelrows = []
|
---|
962 |
|
---|
963 |
|
---|
964 | ### Actual scantable plot methods ###
|
---|
965 | @asaplog_post_dec
|
---|
966 | def plot(self, scan=None):
|
---|
967 | """
|
---|
968 | Plot a scantable.
|
---|
969 | Parameters:
|
---|
970 | scan: a scantable
|
---|
971 | Note:
|
---|
972 | If a scantable was specified in a previous call
|
---|
973 | to plot, no argument has to be given to 'replot'
|
---|
974 | NO checking is done that the abcissas of the scantable
|
---|
975 | are consistent e.g. all 'channel' or all 'velocity' etc.
|
---|
976 | """
|
---|
977 | self._plotmode = "spectra"
|
---|
978 | if not self._data and not scan:
|
---|
979 | msg = "Input is not a scantable"
|
---|
980 | raise TypeError(msg)
|
---|
981 |
|
---|
982 | self._assert_plotter(action="reload")
|
---|
983 | self._plotter.hold()
|
---|
984 | self._reset_counter()
|
---|
985 | #self._plotter.clear()
|
---|
986 | if scan:
|
---|
987 | self.set_data(scan, refresh=False)
|
---|
988 | self._plotter.palette(color=0,colormap=self._colormap,
|
---|
989 | linestyle=0,linestyles=self._linestyles)
|
---|
990 | self._plotter.legend(self._legendloc)
|
---|
991 | self._plot(self._data)
|
---|
992 | if self._minmaxy is not None:
|
---|
993 | self._plotter.set_limits(ylim=self._minmaxy)
|
---|
994 | if self.casabar_exists(): self._plotter.figmgr.casabar.enable_button()
|
---|
995 | self._plotter.release()
|
---|
996 | self._plotter.tidy()
|
---|
997 | self._plotter.show(hardrefresh=False)
|
---|
998 | return
|
---|
999 |
|
---|
1000 | def _plot(self, scan):
|
---|
1001 | savesel = scan.get_selection()
|
---|
1002 | sel = savesel + self._selection
|
---|
1003 | order = self._get_sortstring([self._panelling,self._stacking])
|
---|
1004 | if order:
|
---|
1005 | sel.set_order(order)
|
---|
1006 | scan.set_selection(sel)
|
---|
1007 | d = {'b': scan.getbeam, 's': scan.getscan,
|
---|
1008 | 'i': scan.getif, 'p': scan.getpol, 't': scan.get_time,
|
---|
1009 | 'r': int}#, '_r': int}
|
---|
1010 |
|
---|
1011 | polmodes = dict(zip(sel.get_pols(), sel.get_poltypes()))
|
---|
1012 | # this returns either a tuple of numbers or a length (ncycles)
|
---|
1013 | # convert this into lengths
|
---|
1014 | n0,nstack0 = self._get_selected_n(scan)
|
---|
1015 | if isinstance(n0, int): n = n0
|
---|
1016 | else: n = len(n0)
|
---|
1017 | if isinstance(nstack0, int): nstack = nstack0
|
---|
1018 | else: nstack = len(nstack0)
|
---|
1019 | # In case of row stacking
|
---|
1020 | rowstack = False
|
---|
1021 | titlemode = self._panelling
|
---|
1022 | if self._stacking == "r" and self._panelling != "r":
|
---|
1023 | rowstack = True
|
---|
1024 | titlemode = '_r'
|
---|
1025 | nptot = n
|
---|
1026 | maxpanel, maxstack = 16,16
|
---|
1027 | if nstack > maxstack:
|
---|
1028 | msg ="Scan to be overlayed contains more than %d selections.\n" \
|
---|
1029 | "Selecting first %d selections..." % (maxstack, maxstack)
|
---|
1030 | asaplog.push(msg)
|
---|
1031 | asaplog.post('WARN')
|
---|
1032 | nstack = min(nstack,maxstack)
|
---|
1033 | #n = min(n-self._ipanel-1,maxpanel)
|
---|
1034 | n = n-self._ipanel-1
|
---|
1035 | # the number of panels in this page
|
---|
1036 | if self._rows and self._cols:
|
---|
1037 | n = min(n,self._rows*self._cols)
|
---|
1038 | else:
|
---|
1039 | n = min(n,maxpanel)
|
---|
1040 |
|
---|
1041 | firstpage = (self._ipanel < 0)
|
---|
1042 | #ganged = False
|
---|
1043 | ganged = rcParams['plotter.ganged']
|
---|
1044 | if self._panelling == 'i':
|
---|
1045 | ganged = False
|
---|
1046 | if (not firstpage) and \
|
---|
1047 | self._plotter._subplotsOk(self._rows, self._cols, n):
|
---|
1048 | # Not the first page and subplot number is ok.
|
---|
1049 | # Just clear the axis
|
---|
1050 | nx = self._plotter.cols
|
---|
1051 | ipaxx = n - nx - 1 #the max panel id to supress x-label
|
---|
1052 | for ip in xrange(len(self._plotter.subplots)):
|
---|
1053 | self._plotter.subplot(ip)
|
---|
1054 | self._plotter.clear()
|
---|
1055 | self._plotter.axes.set_visible((ip<n))
|
---|
1056 | if ganged:
|
---|
1057 | self._plotter.axes.xaxis.label.set_visible((ip > ipaxx))
|
---|
1058 | if ip <= ipaxx:
|
---|
1059 | map(lambda x: x.set_visible(False), \
|
---|
1060 | self._plotter.axes.get_xticklabels())
|
---|
1061 | self._plotter.axes.yaxis.label.set_visible((ip % nx)==0)
|
---|
1062 | if ip % nx:
|
---|
1063 | map(lambda y: y.set_visible(False), \
|
---|
1064 | self._plotter.axes.get_yticklabels())
|
---|
1065 | elif (n > 1 and self._rows and self._cols):
|
---|
1066 | self._plotter.set_panels(rows=self._rows,cols=self._cols,
|
---|
1067 | nplots=n,margin=self._margins,
|
---|
1068 | ganged=ganged)
|
---|
1069 | else:
|
---|
1070 | self._plotter.set_panels(rows=n,cols=0,nplots=n,
|
---|
1071 | margin=self._margins,ganged=ganged)
|
---|
1072 | #r = 0
|
---|
1073 | r = self._startrow
|
---|
1074 | nr = scan.nrow()
|
---|
1075 | a0,b0 = -1,-1
|
---|
1076 | allxlim = []
|
---|
1077 | allylim = []
|
---|
1078 | #newpanel=True
|
---|
1079 | newpanel=False
|
---|
1080 | panelcount,stackcount = 0,0
|
---|
1081 | # If this is not the first page
|
---|
1082 | if r > 0:
|
---|
1083 | # panelling value of the prev page
|
---|
1084 | a0 = d[self._panelling](r-1)
|
---|
1085 | # set the initial stackcount large not to plot
|
---|
1086 | # the start row automatically
|
---|
1087 | stackcount = nstack
|
---|
1088 |
|
---|
1089 | while r < nr:
|
---|
1090 | a = d[self._panelling](r)
|
---|
1091 | b = d[self._stacking](r)
|
---|
1092 | if a > a0 and panelcount < n:
|
---|
1093 | if n > 1:
|
---|
1094 | self._plotter.subplot(panelcount)
|
---|
1095 | self._plotter.palette(0)
|
---|
1096 | #title
|
---|
1097 | xlab = self._abcissa and self._abcissa[panelcount] \
|
---|
1098 | or scan._getabcissalabel()
|
---|
1099 | if self._offset and not self._abcissa:
|
---|
1100 | xlab += " (relative)"
|
---|
1101 | ylab = self._ordinate and self._ordinate[panelcount] \
|
---|
1102 | or scan._get_ordinate_label()
|
---|
1103 | self._plotter.set_axes('xlabel', xlab)
|
---|
1104 | self._plotter.set_axes('ylabel', ylab)
|
---|
1105 | #lbl = self._get_label(scan, r, self._panelling, self._title)
|
---|
1106 | lbl = self._get_label(scan, r, titlemode, self._title)
|
---|
1107 | if isinstance(lbl, list) or isinstance(lbl, tuple):
|
---|
1108 | if 0 <= panelcount < len(lbl):
|
---|
1109 | lbl = lbl[panelcount]
|
---|
1110 | else:
|
---|
1111 | # get default label
|
---|
1112 | #lbl = self._get_label(scan, r, self._panelling, None)
|
---|
1113 | lbl = self._get_label(scan, r, titlemode, None)
|
---|
1114 | self._plotter.set_axes('title',lbl)
|
---|
1115 | newpanel = True
|
---|
1116 | stackcount = 0
|
---|
1117 | panelcount += 1
|
---|
1118 | # save the start row to plot this panel for future revisit.
|
---|
1119 | if self._panelling != 'r' and \
|
---|
1120 | len(self._panelrows) < self._ipanel+1+panelcount:
|
---|
1121 | self._panelrows += [r]
|
---|
1122 |
|
---|
1123 | #if (b > b0 or newpanel) and stackcount < nstack:
|
---|
1124 | if stackcount < nstack and (newpanel or \
|
---|
1125 | rowstack or (a == a0 and b > b0)):
|
---|
1126 | y = []
|
---|
1127 | if len(polmodes):
|
---|
1128 | y = scan._getspectrum(r, polmodes[scan.getpol(r)])
|
---|
1129 | else:
|
---|
1130 | y = scan._getspectrum(r)
|
---|
1131 | # flag application
|
---|
1132 | mr = scan._getflagrow(r)
|
---|
1133 | from numpy import ma, array
|
---|
1134 | if mr:
|
---|
1135 | y = ma.masked_array(y,mask=mr)
|
---|
1136 | else:
|
---|
1137 | m = scan._getmask(r)
|
---|
1138 | from numpy import logical_not, logical_and
|
---|
1139 | if self._maskselection and len(self._usermask) == len(m):
|
---|
1140 | if d[self._stacking](r) in self._maskselection[self._stacking]:
|
---|
1141 | m = logical_and(m, self._usermask)
|
---|
1142 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
---|
1143 |
|
---|
1144 | x = array(scan._getabcissa(r))
|
---|
1145 | if self._offset:
|
---|
1146 | x += self._offset
|
---|
1147 | if self._minmaxx is not None:
|
---|
1148 | s,e = self._slice_indeces(x)
|
---|
1149 | x = x[s:e]
|
---|
1150 | y = y[s:e]
|
---|
1151 | if len(x) > 1024 and rcParams['plotter.decimate']:
|
---|
1152 | fac = len(x)/1024
|
---|
1153 | x = x[::fac]
|
---|
1154 | y = y[::fac]
|
---|
1155 | llbl = self._get_label(scan, r, self._stacking, self._lmap)
|
---|
1156 | if isinstance(llbl, list) or isinstance(llbl, tuple):
|
---|
1157 | if 0 <= stackcount < len(llbl):
|
---|
1158 | # use user label
|
---|
1159 | llbl = llbl[stackcount]
|
---|
1160 | else:
|
---|
1161 | # get default label
|
---|
1162 | llbl = self._get_label(scan, r, self._stacking, None)
|
---|
1163 | self._plotter.set_line(label=llbl)
|
---|
1164 | plotit = self._plotter.plot
|
---|
1165 | if self._hist: plotit = self._plotter.hist
|
---|
1166 | if len(x) > 0 and not mr:
|
---|
1167 | plotit(x,y)
|
---|
1168 | xlim= self._minmaxx or [min(x),max(x)]
|
---|
1169 | allxlim += xlim
|
---|
1170 | ylim= self._minmaxy or [ma.minimum(y),ma.maximum(y)]
|
---|
1171 | allylim += ylim
|
---|
1172 | else:
|
---|
1173 | xlim = self._minmaxx or []
|
---|
1174 | allxlim += xlim
|
---|
1175 | ylim= self._minmaxy or []
|
---|
1176 | allylim += ylim
|
---|
1177 | stackcount += 1
|
---|
1178 | a0=a
|
---|
1179 | b0=b
|
---|
1180 | # last in colour stack -> autoscale x
|
---|
1181 | if stackcount == nstack and len(allxlim) > 0:
|
---|
1182 | allxlim.sort()
|
---|
1183 | self._plotter.subplots[panelcount-1]['axes'].set_xlim([allxlim[0],allxlim[-1]])
|
---|
1184 | if ganged:
|
---|
1185 | allxlim = [allxlim[0],allxlim[-1]]
|
---|
1186 | else:
|
---|
1187 | # clear
|
---|
1188 | allxlim =[]
|
---|
1189 |
|
---|
1190 | newpanel = False
|
---|
1191 | #a0=a
|
---|
1192 | #b0=b
|
---|
1193 | # ignore following rows
|
---|
1194 | if (panelcount == n and stackcount == nstack) or (r == nr-1):
|
---|
1195 | # last panel -> autoscale y if ganged
|
---|
1196 | #if rcParams['plotter.ganged'] and len(allylim) > 0:
|
---|
1197 | if ganged and len(allylim) > 0:
|
---|
1198 | allylim.sort()
|
---|
1199 | self._plotter.set_limits(ylim=[allylim[0],allylim[-1]])
|
---|
1200 | break
|
---|
1201 | r+=1 # next row
|
---|
1202 |
|
---|
1203 | # save the current counter for multi-page plotting
|
---|
1204 | self._startrow = r+1
|
---|
1205 | self._ipanel += panelcount
|
---|
1206 | if self.casabar_exists():
|
---|
1207 | if self._ipanel >= nptot-1:
|
---|
1208 | self._plotter.figmgr.casabar.disable_next()
|
---|
1209 | else:
|
---|
1210 | self._plotter.figmgr.casabar.enable_next()
|
---|
1211 | if self._ipanel + 1 - panelcount > 0:
|
---|
1212 | self._plotter.figmgr.casabar.enable_prev()
|
---|
1213 | else:
|
---|
1214 | self._plotter.figmgr.casabar.disable_prev()
|
---|
1215 |
|
---|
1216 | #reset the selector to the scantable's original
|
---|
1217 | scan.set_selection(savesel)
|
---|
1218 |
|
---|
1219 | #temporary switch-off for older matplotlib
|
---|
1220 | #if self._fp is not None:
|
---|
1221 | if self._fp is not None and \
|
---|
1222 | getattr(self._plotter.figure,'findobj',False):
|
---|
1223 | for o in self._plotter.figure.findobj(Text):
|
---|
1224 | if not self._headtext['textobj'] or \
|
---|
1225 | not (o in self._headtext['textobj']):
|
---|
1226 | o.set_fontproperties(self._fp)
|
---|
1227 |
|
---|
1228 | def _get_sortstring(self, lorders):
|
---|
1229 | d0 = {'s': 'SCANNO', 'b': 'BEAMNO', 'i':'IFNO',
|
---|
1230 | 'p': 'POLNO', 'c': 'CYCLENO', 't' : 'TIME', 'r':None, '_r':None }
|
---|
1231 | if not (type(lorders) == list) and not (type(lorders) == tuple):
|
---|
1232 | return None
|
---|
1233 | if len(lorders) > 0:
|
---|
1234 | lsorts = []
|
---|
1235 | for order in lorders:
|
---|
1236 | if order == "r":
|
---|
1237 | # don't sort if row panelling/stacking
|
---|
1238 | return None
|
---|
1239 | ssort = d0[order]
|
---|
1240 | if ssort:
|
---|
1241 | lsorts.append(ssort)
|
---|
1242 | return lsorts
|
---|
1243 | return None
|
---|
1244 |
|
---|
1245 | def _get_selected_n(self, scan):
|
---|
1246 | d1 = {'b': scan.getbeamnos, 's': scan.getscannos,
|
---|
1247 | 'i': scan.getifnos, 'p': scan.getpolnos, 't': scan.ncycle,
|
---|
1248 | 'r': scan.nrow}#, '_r': False}
|
---|
1249 | d2 = { 'b': self._selection.get_beams(),
|
---|
1250 | 's': self._selection.get_scans(),
|
---|
1251 | 'i': self._selection.get_ifs(),
|
---|
1252 | 'p': self._selection.get_pols(),
|
---|
1253 | 't': self._selection.get_cycles(),
|
---|
1254 | 'r': False}#, '_r': 1}
|
---|
1255 | n = d2[self._panelling] or d1[self._panelling]()
|
---|
1256 | nstack = d2[self._stacking] or d1[self._stacking]()
|
---|
1257 | # handle row panelling/stacking
|
---|
1258 | if self._panelling == 'r':
|
---|
1259 | nstack = 1
|
---|
1260 | elif self._stacking == 'r':
|
---|
1261 | n = 1
|
---|
1262 | return n,nstack
|
---|
1263 |
|
---|
1264 | def _get_label(self, scan, row, mode, userlabel=None):
|
---|
1265 | if isinstance(userlabel, list) and len(userlabel) == 0:
|
---|
1266 | userlabel = " "
|
---|
1267 | pms = dict(zip(self._selection.get_pols(),self._selection.get_poltypes()))
|
---|
1268 | if len(pms):
|
---|
1269 | poleval = scan._getpollabel(scan.getpol(row),pms[scan.getpol(row)])
|
---|
1270 | else:
|
---|
1271 | poleval = scan._getpollabel(scan.getpol(row),scan.poltype())
|
---|
1272 | d = {'b': "Beam "+str(scan.getbeam(row)),
|
---|
1273 | #'s': scan._getsourcename(row),
|
---|
1274 | 's': "Scan "+str(scan.getscan(row))+\
|
---|
1275 | " ("+str(scan._getsourcename(row))+")",
|
---|
1276 | 'i': "IF"+str(scan.getif(row)),
|
---|
1277 | 'p': poleval,
|
---|
1278 | 't': str(scan.get_time(row)),
|
---|
1279 | 'r': "row "+str(row),
|
---|
1280 | #'_r': str(scan.get_time(row))+",\nIF"+str(scan.getif(row))+", "+poleval+", Beam"+str(scan.getbeam(row)) }
|
---|
1281 | '_r': "" }
|
---|
1282 | return userlabel or d[mode]
|
---|
1283 |
|
---|
1284 | def _slice_indeces(self, data):
|
---|
1285 | mn = self._minmaxx[0]
|
---|
1286 | mx = self._minmaxx[1]
|
---|
1287 | asc = data[0] < data[-1]
|
---|
1288 | start=0
|
---|
1289 | end = len(data)-1
|
---|
1290 | inc = 1
|
---|
1291 | if not asc:
|
---|
1292 | start = len(data)-1
|
---|
1293 | end = 0
|
---|
1294 | inc = -1
|
---|
1295 | # find min index
|
---|
1296 | #while start > 0 and data[start] < mn:
|
---|
1297 | # start+= inc
|
---|
1298 | minind=start
|
---|
1299 | for ind in xrange(start,end+inc,inc):
|
---|
1300 | if data[ind] > mn: break
|
---|
1301 | minind=ind
|
---|
1302 | # find max index
|
---|
1303 | #while end > 0 and data[end] > mx:
|
---|
1304 | # end-=inc
|
---|
1305 | #if end > 0: end +=1
|
---|
1306 | maxind=end
|
---|
1307 | for ind in xrange(end,start-inc,-inc):
|
---|
1308 | if data[ind] < mx: break
|
---|
1309 | maxind=ind
|
---|
1310 | start=minind
|
---|
1311 | end=maxind
|
---|
1312 | if start > end:
|
---|
1313 | return end,start+1
|
---|
1314 | elif start < end:
|
---|
1315 | return start,end+1
|
---|
1316 | else:
|
---|
1317 | return start,end
|
---|
1318 |
|
---|
1319 | def _get_date_axis_setup(self, dates):
|
---|
1320 | """
|
---|
1321 | Returns proper axis title and formatters for a list of dates
|
---|
1322 | Input
|
---|
1323 | dates : a list of datetime objects returned by,
|
---|
1324 | e.g. scantable.get_time(asdatetime=True)
|
---|
1325 | Output
|
---|
1326 | a set of
|
---|
1327 | * date axis title string
|
---|
1328 | * formatter of date axis
|
---|
1329 | * major axis locator
|
---|
1330 | * minor axis locator
|
---|
1331 | """
|
---|
1332 | from matplotlib import pylab as PL
|
---|
1333 | from matplotlib.dates import DateFormatter
|
---|
1334 | from matplotlib.dates import HourLocator, MinuteLocator,SecondLocator, DayLocator
|
---|
1335 | t = PL.date2num(dates)
|
---|
1336 | tdel = max(t) - min(t) # interval in day
|
---|
1337 | dstr = dates[0].strftime('%Y/%m/%d')
|
---|
1338 | if tdel > 1.0: # >1day
|
---|
1339 | dstr2 = dates[len(dates)-1].strftime('%Y/%m/%d')
|
---|
1340 | dstr = dstr + " - " + dstr2
|
---|
1341 | majloc = DayLocator()
|
---|
1342 | minloc = HourLocator(range(0,23,12))
|
---|
1343 | timefmt = DateFormatter("%b%d")
|
---|
1344 | elif tdel > 24./60.: # 9.6h - 1day
|
---|
1345 | timefmt = DateFormatter('%H:%M')
|
---|
1346 | majloc = HourLocator()
|
---|
1347 | minloc = MinuteLocator(range(0,60,30))
|
---|
1348 | elif tdel > 2./24.: # 2h-9.6h
|
---|
1349 | timefmt = DateFormatter('%H:%M')
|
---|
1350 | majloc = HourLocator()
|
---|
1351 | minloc = MinuteLocator(range(0,60,10))
|
---|
1352 | elif tdel> 10./24./60.: # 10min-2h
|
---|
1353 | timefmt = DateFormatter('%H:%M')
|
---|
1354 | majloc = MinuteLocator(range(0,60,10))
|
---|
1355 | minloc = MinuteLocator()
|
---|
1356 | else: # <10min
|
---|
1357 | timefmt = DateFormatter('%H:%M')
|
---|
1358 | majloc = MinuteLocator()
|
---|
1359 | minloc = SecondLocator(30)
|
---|
1360 | return (dstr, timefmt, majloc, minloc)
|
---|
1361 |
|
---|
1362 | def plotazel(self, scan=None, outfile=None):
|
---|
1363 | """
|
---|
1364 | plot azimuth and elevation versus time of a scantable
|
---|
1365 | """
|
---|
1366 | self._plotmode = "azel"
|
---|
1367 | visible = rcParams['plotter.gui']
|
---|
1368 | from matplotlib import pylab as PL
|
---|
1369 | from pytz import timezone
|
---|
1370 | from matplotlib.ticker import MultipleLocator
|
---|
1371 | from numpy import array, pi, ma
|
---|
1372 | if self._plotter and (PL.gcf() == self._plotter.figure):
|
---|
1373 | # the current figure is ASAP plotter. Use mpl plotter
|
---|
1374 | figids = PL.get_fignums()
|
---|
1375 | PL.figure(max(figids[-1],1))
|
---|
1376 |
|
---|
1377 | if not visible or not self._visible:
|
---|
1378 | PL.ioff()
|
---|
1379 | from matplotlib.backends.backend_agg import FigureCanvasAgg
|
---|
1380 | PL.gcf().canvas.switch_backends(FigureCanvasAgg)
|
---|
1381 | self._data = scan
|
---|
1382 | dates = self._data.get_time(asdatetime=True)
|
---|
1383 | # for flag handling
|
---|
1384 | mask = [ self._data._is_all_chan_flagged(i) for i in range(self._data.nrow())]
|
---|
1385 | t = PL.date2num(dates)
|
---|
1386 | tz = timezone('UTC')
|
---|
1387 | PL.cla()
|
---|
1388 | PL.ioff()
|
---|
1389 | PL.clf()
|
---|
1390 | # Adjust subplot margins
|
---|
1391 | if not self._margins or len(self._margins) != 6:
|
---|
1392 | self.set_margin(refresh=False)
|
---|
1393 | lef, bot, rig, top, wsp, hsp = self._margins
|
---|
1394 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top,
|
---|
1395 | wspace=wsp,hspace=hsp)
|
---|
1396 |
|
---|
1397 | tdel = max(t) - min(t) # interval in day
|
---|
1398 | ax = PL.subplot(2,1,1)
|
---|
1399 | el = ma.masked_array(array(self._data.get_elevation())*180./pi, mask)
|
---|
1400 | PL.ylabel('El [deg.]')
|
---|
1401 | (dstr, timefmt, majloc, minloc) = self._get_date_axis_setup(dates)
|
---|
1402 |
|
---|
1403 | PL.title(dstr)
|
---|
1404 | if tdel == 0.0:
|
---|
1405 | th = (t - PL.floor(t))*24.0
|
---|
1406 | PL.plot(th,el,'o',markersize=2, markerfacecolor='b', markeredgecolor='b')
|
---|
1407 | else:
|
---|
1408 | PL.plot_date(t,el,'o', markersize=2, markerfacecolor='b', markeredgecolor='b',tz=tz)
|
---|
1409 | #ax.grid(True)
|
---|
1410 | ax.xaxis.set_major_formatter(timefmt)
|
---|
1411 | ax.xaxis.set_major_locator(majloc)
|
---|
1412 | ax.xaxis.set_minor_locator(minloc)
|
---|
1413 | ax.yaxis.grid(True)
|
---|
1414 | yloc = MultipleLocator(30)
|
---|
1415 | ax.set_ylim(0,90)
|
---|
1416 | ax.yaxis.set_major_locator(yloc)
|
---|
1417 | if tdel > 1.0:
|
---|
1418 | labels = ax.get_xticklabels()
|
---|
1419 | # PL.setp(labels, fontsize=10, rotation=45)
|
---|
1420 | PL.setp(labels, fontsize=10)
|
---|
1421 |
|
---|
1422 | # Az plot
|
---|
1423 | az = ma.masked_array(array(self._data.get_azimuth())*180./pi, mask)
|
---|
1424 | if min(az) < 0:
|
---|
1425 | for irow in range(len(az)):
|
---|
1426 | if az[irow] < 0: az[irow] += 360.0
|
---|
1427 |
|
---|
1428 | ax2 = PL.subplot(2,1,2)
|
---|
1429 | #PL.xlabel('Time (UT [hour])')
|
---|
1430 | PL.ylabel('Az [deg.]')
|
---|
1431 | if tdel == 0.0:
|
---|
1432 | PL.plot(th,az,'o',markersize=2, markeredgecolor='b',markerfacecolor='b')
|
---|
1433 | else:
|
---|
1434 | PL.plot_date(t,az,'o', markersize=2,markeredgecolor='b',markerfacecolor='b',tz=tz)
|
---|
1435 | ax2.xaxis.set_major_formatter(timefmt)
|
---|
1436 | ax2.xaxis.set_major_locator(majloc)
|
---|
1437 | ax2.xaxis.set_minor_locator(minloc)
|
---|
1438 | #ax2.grid(True)
|
---|
1439 | ax2.set_ylim(0,360)
|
---|
1440 | ax2.yaxis.grid(True)
|
---|
1441 | #hfmt = DateFormatter('%H')
|
---|
1442 | #hloc = HourLocator()
|
---|
1443 | yloc = MultipleLocator(60)
|
---|
1444 | ax2.yaxis.set_major_locator(yloc)
|
---|
1445 | if tdel > 1.0:
|
---|
1446 | labels = ax2.get_xticklabels()
|
---|
1447 | PL.setp(labels, fontsize=10)
|
---|
1448 | PL.xlabel('Time (UT [day])')
|
---|
1449 | else:
|
---|
1450 | PL.xlabel('Time (UT [hour])')
|
---|
1451 |
|
---|
1452 | PL.ion()
|
---|
1453 | PL.draw()
|
---|
1454 | if matplotlib.get_backend() == 'Qt4Agg': PL.gcf().show()
|
---|
1455 | if (outfile is not None):
|
---|
1456 | PL.savefig(outfile)
|
---|
1457 |
|
---|
1458 |
|
---|
1459 | def plotpointing2(self, scan=None, colorby='', showline=False, projection=''):
|
---|
1460 | """
|
---|
1461 | plot telescope pointings
|
---|
1462 | Parameters:
|
---|
1463 | scan : input scantable instance
|
---|
1464 | colorby : change color by either
|
---|
1465 | 'type'(source type)|'scan'|'if'|'pol'|'beam'
|
---|
1466 | showline : show dotted line
|
---|
1467 | projection : projection type either
|
---|
1468 | ''(no projection [deg])|'coord'(not implemented)
|
---|
1469 | """
|
---|
1470 | self._plotmode = "pointing"
|
---|
1471 | from numpy import array, pi, ma
|
---|
1472 | from asap import scantable
|
---|
1473 | # check for scantable
|
---|
1474 | if isinstance(scan, scantable):
|
---|
1475 | if self._data is not None:
|
---|
1476 | if scan != self._data:
|
---|
1477 | self._data = scan
|
---|
1478 | # reset
|
---|
1479 | self._reset()
|
---|
1480 | else:
|
---|
1481 | self._data = scan
|
---|
1482 | self._reset()
|
---|
1483 | if not self._data:
|
---|
1484 | msg = "Input is not a scantable"
|
---|
1485 | raise TypeError(msg)
|
---|
1486 | # check for color mode
|
---|
1487 | validtypes=['type','scan','if','pol', 'beam']
|
---|
1488 | stype = None
|
---|
1489 | if (colorby in validtypes):
|
---|
1490 | stype = colorby[0]
|
---|
1491 | elif len(colorby) > 0:
|
---|
1492 | msg = "Invalid choice of 'colorby' (choices: %s)" % str(validtypes)
|
---|
1493 | raise ValueError(msg)
|
---|
1494 | self._assert_plotter(action="reload")
|
---|
1495 | self._plotter.hold()
|
---|
1496 | self._reset_counter()
|
---|
1497 | if self.casabar_exists():
|
---|
1498 | self._plotter.figmgr.casabar.disable_button()
|
---|
1499 | # for now, only one plot
|
---|
1500 | self._plotter.set_panels(rows=1,cols=1)
|
---|
1501 | # first panel
|
---|
1502 | self._plotter.subplot(0)
|
---|
1503 | # first color and linestyles
|
---|
1504 | self._plotter.palette(0)
|
---|
1505 | self.gca().set_aspect('equal')
|
---|
1506 | basesel = scan.get_selection()
|
---|
1507 | attrback = self._plotter.get_line()
|
---|
1508 | marker = "o"
|
---|
1509 | if showline:
|
---|
1510 | basesel.set_order(["TIME"])
|
---|
1511 | scan.set_selection(basesel)
|
---|
1512 | if not (stype in ["t", "s"]):
|
---|
1513 | marker += ":"
|
---|
1514 | self._plotter.set_line(markersize=3, markeredgewidth=0)
|
---|
1515 |
|
---|
1516 | if not stype:
|
---|
1517 | selIds = [""] # cheating
|
---|
1518 | sellab = "all points"
|
---|
1519 | elif stype == 't':
|
---|
1520 | selIds = range(15)
|
---|
1521 | sellab = "src type "
|
---|
1522 | else:
|
---|
1523 | selIds = getattr(self._data,'get'+colorby+'nos')()
|
---|
1524 | sellab = colorby.upper()
|
---|
1525 | selFunc = "set_"+colorby+"s"
|
---|
1526 | for idx in selIds:
|
---|
1527 | sel = selector() + basesel
|
---|
1528 | if stype:
|
---|
1529 | bid = getattr(basesel,'get_'+colorby+"s")()
|
---|
1530 | if (len(bid) > 0) and (not idx in bid):
|
---|
1531 | # base selection doesn't contain idx
|
---|
1532 | # Note summation of selector is logical sum if
|
---|
1533 | continue
|
---|
1534 | getattr(sel, selFunc)([idx])
|
---|
1535 | if not sel.is_empty():
|
---|
1536 | try:
|
---|
1537 | self._data.set_selection(sel)
|
---|
1538 | except RuntimeError, instance:
|
---|
1539 | if stype == 't' and str(instance).startswith("Selection contains no data."):
|
---|
1540 | continue
|
---|
1541 | else:
|
---|
1542 | self._data.set_selection(basesel)
|
---|
1543 | raise RuntimeError, instance
|
---|
1544 | if self._data.nrow() == 0:
|
---|
1545 | self._data.set_selection(basesel)
|
---|
1546 | continue
|
---|
1547 | #print "Plotting direction of %s = %s" % (colorby, str(idx))
|
---|
1548 | # getting data to plot
|
---|
1549 | dir = array(self._data.get_directionval()).transpose()
|
---|
1550 | # for flag handling
|
---|
1551 | mask = [ self._data._is_all_chan_flagged(i) for i in range(self._data.nrow())]
|
---|
1552 | ra = dir[0]*180./pi
|
---|
1553 | dec = ma.masked_array(dir[1]*180./pi, mask)
|
---|
1554 | # actual plot
|
---|
1555 | self._plotter.set_line(label=(sellab+str(idx)))
|
---|
1556 | self._plotter.plot(ra,dec,marker)
|
---|
1557 |
|
---|
1558 | # restore original selection
|
---|
1559 | self._data.set_selection(basesel)
|
---|
1560 | # need to plot scan pattern explicitly
|
---|
1561 | if showline and (stype in ["t", "s"]):
|
---|
1562 | dir = array(self._data.get_directionval()).transpose()
|
---|
1563 | ra = dir[0]*180./pi
|
---|
1564 | dec = dir[1]*180./pi
|
---|
1565 | self._plotter.set_line(label="scan pattern")
|
---|
1566 | self._plotter.plot(ra,dec,":")
|
---|
1567 | # set color for only this line
|
---|
1568 | self._plotter.lines[-1][0].set_color("gray")
|
---|
1569 |
|
---|
1570 | xlab = 'RA [deg.]'
|
---|
1571 | ylab = 'Declination [deg.]'
|
---|
1572 | self._plotter.set_axes('xlabel', xlab)
|
---|
1573 | self._plotter.set_axes('ylabel', ylab)
|
---|
1574 | self._plotter.set_axes('title', 'Telescope pointings')
|
---|
1575 | if stype: self._plotter.legend(self._legendloc)
|
---|
1576 | else: self._plotter.legend(None)
|
---|
1577 | # reverse x-axis
|
---|
1578 | xmin, xmax = self.gca().get_xlim()
|
---|
1579 | ymin, ymax = self.gca().get_ylim()
|
---|
1580 | # expand plotrange if xmin==xmax or ymin==ymax
|
---|
1581 | if abs(ymax-ymin) < 1.e-3: #~4arcsec
|
---|
1582 | delx = 0.5*abs(xmax - xmin)
|
---|
1583 | if delx < 5.e-4:
|
---|
1584 | dxy = 5.e-4 #~2arcsec
|
---|
1585 | (ymin, ymax) = (ymin-dxy, ymax+dxy)
|
---|
1586 | (xmin, xmax) = (xmin-dxy, xmax+dxy)
|
---|
1587 | (ymin, ymax) = (ymin-delx, ymax+delx)
|
---|
1588 | elif abs(xmax-xmin) < 1.e-3:
|
---|
1589 | dely = 0.5*abs(ymax - ymin)
|
---|
1590 | (xmin, xmax) = (xmin-dely, xmax+dely)
|
---|
1591 | self._plotter.set_limits(xlim=[xmax,xmin], ylim=[ymin, ymax])
|
---|
1592 |
|
---|
1593 | self._plotter.release()
|
---|
1594 | self._plotter.show(hardrefresh=False)
|
---|
1595 | # reset line settings
|
---|
1596 | self._plotter.set_line(**attrback)
|
---|
1597 | return
|
---|
1598 |
|
---|
1599 | def plotpointing(self, scan=None, outfile=None):
|
---|
1600 | """
|
---|
1601 | plot telescope pointings
|
---|
1602 | """
|
---|
1603 | visible = rcParams['plotter.gui']
|
---|
1604 | from matplotlib import pylab as PL
|
---|
1605 | from numpy import array, pi
|
---|
1606 | if self._plotter and (PL.gcf() == self._plotter.figure):
|
---|
1607 | # the current figure is ASAP plotter. Use mpl plotter
|
---|
1608 | figids = PL.get_fignums()
|
---|
1609 | PL.figure(max(figids[-1],1))
|
---|
1610 |
|
---|
1611 | if not visible or not self._visible:
|
---|
1612 | PL.ioff()
|
---|
1613 | from matplotlib.backends.backend_agg import FigureCanvasAgg
|
---|
1614 | PL.gcf().canvas.switch_backends(FigureCanvasAgg)
|
---|
1615 | self._data = scan
|
---|
1616 | dir = array(self._data.get_directionval()).transpose()
|
---|
1617 | ra = dir[0]*180./pi
|
---|
1618 | dec = dir[1]*180./pi
|
---|
1619 | PL.cla()
|
---|
1620 | #PL.ioff()
|
---|
1621 | PL.clf()
|
---|
1622 | # Adjust subplot margins
|
---|
1623 | if not self._margins or len(self._margins) != 6:
|
---|
1624 | self.set_margin(refresh=False)
|
---|
1625 | lef, bot, rig, top, wsp, hsp = self._margins
|
---|
1626 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top,
|
---|
1627 | wspace=wsp,hspace=hsp)
|
---|
1628 | ax = PL.gca()
|
---|
1629 | #ax = PL.axes([0.1,0.1,0.8,0.8])
|
---|
1630 | #ax = PL.axes([0.1,0.1,0.8,0.8])
|
---|
1631 | ax.set_aspect('equal')
|
---|
1632 | PL.plot(ra, dec, 'b,')
|
---|
1633 | PL.xlabel('RA [deg.]')
|
---|
1634 | PL.ylabel('Declination [deg.]')
|
---|
1635 | PL.title('Telescope pointings')
|
---|
1636 | [xmin,xmax,ymin,ymax] = PL.axis()
|
---|
1637 | PL.axis([xmax,xmin,ymin,ymax])
|
---|
1638 | PL.ion()
|
---|
1639 | PL.draw()
|
---|
1640 | if matplotlib.get_backend() == 'Qt4Agg': PL.gcf().show()
|
---|
1641 | if (outfile is not None):
|
---|
1642 | PL.savefig(outfile)
|
---|
1643 |
|
---|
1644 | # plot total power data
|
---|
1645 | # plotting in time is not yet implemented..
|
---|
1646 | @asaplog_post_dec
|
---|
1647 | def plottp(self, scan=None, colorby=''):
|
---|
1648 | """
|
---|
1649 | Plot averaged spectra (total power) in time or in row ID (colorby='')
|
---|
1650 | Parameters:
|
---|
1651 | scan : input scantable instance
|
---|
1652 | colorby : change color by either
|
---|
1653 | 'type'(source type)|'scan'|'if'|'pol'|'beam'|''
|
---|
1654 | """
|
---|
1655 | self._plotmode = "totalpower"
|
---|
1656 | from asap import scantable
|
---|
1657 | if not self._data and not scan:
|
---|
1658 | msg = "Input is not a scantable"
|
---|
1659 | raise TypeError(msg)
|
---|
1660 | if isinstance(scan, scantable):
|
---|
1661 | if self._data is not None:
|
---|
1662 | if scan != self._data:
|
---|
1663 | self._data = scan
|
---|
1664 | # reset
|
---|
1665 | self._reset()
|
---|
1666 | else:
|
---|
1667 | self._data = scan
|
---|
1668 | self._reset()
|
---|
1669 | # ranges become invalid when abcissa changes?
|
---|
1670 | #if self._abcunit and self._abcunit != self._data.get_unit():
|
---|
1671 | # self._minmaxx = None
|
---|
1672 | # self._minmaxy = None
|
---|
1673 | # self._abcunit = self._data.get_unit()
|
---|
1674 |
|
---|
1675 | self._assert_plotter(action="reload")
|
---|
1676 | self._plotter.hold()
|
---|
1677 | self._plotter.clear()
|
---|
1678 | # Adjust subplot margins
|
---|
1679 | if not self._margins or len(self._margins) !=6:
|
---|
1680 | self.set_margin(refresh=False)
|
---|
1681 | lef, bot, rig, top, wsp, hsp = self._margins
|
---|
1682 | self._plotter.figure.subplots_adjust(
|
---|
1683 | left=lef,bottom=bot,right=rig,top=top,wspace=wsp,hspace=hsp)
|
---|
1684 | if self.casabar_exists(): self._plotter.figmgr.casabar.disable_button()
|
---|
1685 | if len(colorby) == 0:
|
---|
1686 | self._plottp(self._data)
|
---|
1687 | else:
|
---|
1688 | self._plottp_in_time(self._data,colorby)
|
---|
1689 | if self._minmaxy is not None:
|
---|
1690 | self._plotter.set_limits(ylim=self._minmaxy)
|
---|
1691 | self._plotter.release()
|
---|
1692 | self._plotter.tidy()
|
---|
1693 | self._plotter.show(hardrefresh=False)
|
---|
1694 | return
|
---|
1695 |
|
---|
1696 | def _plottp_in_time(self,scan,colorby):
|
---|
1697 | """
|
---|
1698 | private method for plotting total power data in time
|
---|
1699 | Parameters:
|
---|
1700 | scan : input scantable instance
|
---|
1701 | colorby : change color by either
|
---|
1702 | 'type'(source type)|'scan'|'if'|'pol'|'beam'
|
---|
1703 | """
|
---|
1704 | from numpy import ma, array, arange, logical_not
|
---|
1705 | r=0
|
---|
1706 | nr = scan.nrow()
|
---|
1707 | a0,b0 = -1,-1
|
---|
1708 | allxlim = []
|
---|
1709 | allylim = []
|
---|
1710 | y=[]
|
---|
1711 | self._plotter.set_panels()
|
---|
1712 | self._plotter.palette(0)
|
---|
1713 | # check of overlay settings
|
---|
1714 | time_types = ['type','scan'] # time dependent meta-data
|
---|
1715 | misc_types = ['if','pol','beam'] # time independent meta-data
|
---|
1716 | validtypes=time_types + misc_types
|
---|
1717 | stype = None
|
---|
1718 | col_msg = "Invalid choice of 'colorby' (choices: %s)" % str(validtypes)
|
---|
1719 | colorby = colorby.lower()
|
---|
1720 | if (colorby in validtypes):
|
---|
1721 | stype = colorby[0]
|
---|
1722 | elif len(colorby) > 0:
|
---|
1723 | raise ValueError(col_msg)
|
---|
1724 | if not stype:
|
---|
1725 | raise ValueError(col_msg)
|
---|
1726 | # Selection and sort order
|
---|
1727 | basesel = scan.get_selection()
|
---|
1728 | if colorby in misc_types: misc_types.pop(misc_types.index(colorby))
|
---|
1729 | sel_lbl = ""
|
---|
1730 | for meta in misc_types:
|
---|
1731 | idx = getattr(scan,'get'+meta+'nos')()
|
---|
1732 | if len(idx) > 1: getattr(basesel, 'set_'+meta+'s')([idx[0]])
|
---|
1733 | sel_lbl += ("%s%d, " % (meta.upper(), idx[0]))
|
---|
1734 | sel_lbl = sel_lbl.rstrip(', ')
|
---|
1735 | scan.set_selection(basesel)
|
---|
1736 | if len(sel_lbl) > 0:
|
---|
1737 | asaplog.push("Selection contains multiple IFs/Pols/Beams. Plotting the first ones: %s" % sel_lbl)
|
---|
1738 | asaplog.post("WARN")
|
---|
1739 | if stype == 't':
|
---|
1740 | selIds = range(15)
|
---|
1741 | sellab = "src type "
|
---|
1742 | else:
|
---|
1743 | selIds = getattr(scan,'get'+colorby+'nos')()
|
---|
1744 | sellab = colorby.upper()
|
---|
1745 | selFunc = "set_"+colorby+"s"
|
---|
1746 | basesel.set_order(["TIME"])
|
---|
1747 | # define axes labels
|
---|
1748 | xlab = self._abcissa or 'Time (UTC)'
|
---|
1749 | ylab = self._ordinate or scan._get_ordinate_label()
|
---|
1750 | self._plotter.set_axes('xlabel',xlab)
|
---|
1751 | self._plotter.set_axes('ylabel',ylab)
|
---|
1752 | # define the panel title
|
---|
1753 | if len(sel_lbl) > 0: lbl = sel_lbl
|
---|
1754 | else: lbl = self._get_label(scan, r, 's', self._title)
|
---|
1755 | if isinstance(lbl, list) or isinstance(lbl, tuple):
|
---|
1756 | # get default label
|
---|
1757 | lbl = self._get_label(scan, r, self._panelling, None)
|
---|
1758 | self._plotter.set_axes('title',lbl)
|
---|
1759 | # linestyle
|
---|
1760 | lstyle = '' if colorby in time_types else ':'
|
---|
1761 | alldates = []
|
---|
1762 | for idx in selIds:
|
---|
1763 | sel = selector() + basesel
|
---|
1764 | bid = getattr(basesel,'get_'+colorby+"s")()
|
---|
1765 | if (len(bid) > 0) and (not idx in bid):
|
---|
1766 | # base selection doesn't contain idx
|
---|
1767 | # Note summation of selector is logical sum if
|
---|
1768 | continue
|
---|
1769 | getattr(sel, selFunc)([idx])
|
---|
1770 | if not sel.is_empty():
|
---|
1771 | try:
|
---|
1772 | scan.set_selection(sel)
|
---|
1773 | except RuntimeError, instance:
|
---|
1774 | if stype == 't' and str(instance).startswith("Selection contains no data."):
|
---|
1775 | continue
|
---|
1776 | else:
|
---|
1777 | scan.set_selection(basesel)
|
---|
1778 | raise RuntimeError, instance
|
---|
1779 | if scan.nrow() == 0:
|
---|
1780 | scan.set_selection(basesel)
|
---|
1781 | continue
|
---|
1782 | y=array(scan._get_column(scan._getspectrum,-1))
|
---|
1783 | m = array(scan._get_column(scan._getmask,-1))
|
---|
1784 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
---|
1785 | # try to handle spectral data somewhat...
|
---|
1786 | try:
|
---|
1787 | l,m = y.shape
|
---|
1788 | except ValueError, e:
|
---|
1789 | raise ValueError(str(e)+" This error usually occurs when you select multiple spws with different number of channels. Try selecting single spw and retry.")
|
---|
1790 | if m > 1:
|
---|
1791 | y=y.mean(axis=1)
|
---|
1792 | # flag handling
|
---|
1793 | m = [ scan._is_all_chan_flagged(i) for i in range(scan.nrow()) ]
|
---|
1794 | y = ma.masked_array(y,mask=m)
|
---|
1795 | if len(y) == 0: continue
|
---|
1796 | # line label
|
---|
1797 | llbl=sellab+str(idx)
|
---|
1798 | from matplotlib.dates import date2num
|
---|
1799 | from pytz import timezone
|
---|
1800 | dates = self._data.get_time(asdatetime=True)
|
---|
1801 | alldates += list(dates)
|
---|
1802 | x = date2num(dates)
|
---|
1803 | tz = timezone('UTC')
|
---|
1804 | # get color
|
---|
1805 | lc = self._plotter.colormap[self._plotter.color]
|
---|
1806 | self._plotter.palette( (self._plotter.color+1) % len(self._plotter.colormap) )
|
---|
1807 | # actual plotting
|
---|
1808 | self._plotter.axes.plot_date(x,y,tz=tz,label=llbl,linestyle=lstyle,color=lc,
|
---|
1809 | marker='o',markersize=3,markeredgewidth=0)
|
---|
1810 |
|
---|
1811 | # legend and axis formatting
|
---|
1812 | (dstr, timefmt, majloc, minloc) = self._get_date_axis_setup(alldates)
|
---|
1813 | ax = self.gca()
|
---|
1814 | ax.xaxis.set_major_formatter(timefmt)
|
---|
1815 | ax.xaxis.set_major_locator(majloc)
|
---|
1816 | ax.xaxis.set_minor_locator(minloc)
|
---|
1817 | self._plotter.axes.legend(loc=self._legendloc)
|
---|
1818 |
|
---|
1819 | def _plottp(self,scan):
|
---|
1820 | """
|
---|
1821 | private method for plotting total power data
|
---|
1822 | """
|
---|
1823 | from numpy import ma, array, arange, logical_not
|
---|
1824 | r=0
|
---|
1825 | nr = scan.nrow()
|
---|
1826 | a0,b0 = -1,-1
|
---|
1827 | allxlim = []
|
---|
1828 | allylim = []
|
---|
1829 | y=[]
|
---|
1830 | self._plotter.set_panels()
|
---|
1831 | self._plotter.palette(0)
|
---|
1832 | #title
|
---|
1833 | #xlab = self._abcissa and self._abcissa[panelcount] \
|
---|
1834 | # or scan._getabcissalabel()
|
---|
1835 | #ylab = self._ordinate and self._ordinate[panelcount] \
|
---|
1836 | # or scan._get_ordinate_label()
|
---|
1837 | xlab = self._abcissa or 'row number' #or Time
|
---|
1838 | ylab = self._ordinate or scan._get_ordinate_label()
|
---|
1839 | self._plotter.set_axes('xlabel',xlab)
|
---|
1840 | self._plotter.set_axes('ylabel',ylab)
|
---|
1841 | lbl = self._get_label(scan, r, 's', self._title)
|
---|
1842 | if isinstance(lbl, list) or isinstance(lbl, tuple):
|
---|
1843 | # if 0 <= panelcount < len(lbl):
|
---|
1844 | # lbl = lbl[panelcount]
|
---|
1845 | # else:
|
---|
1846 | # get default label
|
---|
1847 | lbl = self._get_label(scan, r, self._panelling, None)
|
---|
1848 | self._plotter.set_axes('title',lbl)
|
---|
1849 | y=array(scan._get_column(scan._getspectrum,-1))
|
---|
1850 | m = array(scan._get_column(scan._getmask,-1))
|
---|
1851 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
---|
1852 | x = arange(len(y))
|
---|
1853 | # try to handle spectral data somewhat...
|
---|
1854 | try:
|
---|
1855 | l,m = y.shape
|
---|
1856 | except ValueError, e:
|
---|
1857 | raise ValueError(str(e)+" This error usually occurs when you select multiple spws with different number of channels. Try selecting single spw and retry.")
|
---|
1858 | if m > 1:
|
---|
1859 | y=y.mean(axis=1)
|
---|
1860 | # flag handling
|
---|
1861 | m = [ scan._is_all_chan_flagged(i) for i in range(scan.nrow()) ]
|
---|
1862 | y = ma.masked_array(y,mask=m)
|
---|
1863 | plotit = self._plotter.plot
|
---|
1864 | llbl = self._get_label(scan, r, self._stacking, None)
|
---|
1865 | self._plotter.set_line(label=llbl)
|
---|
1866 | if len(x) > 0:
|
---|
1867 | plotit(x,y)
|
---|
1868 |
|
---|
1869 |
|
---|
1870 | # printing header information
|
---|
1871 | @asaplog_post_dec
|
---|
1872 | def print_header(self, plot=True, fontsize=9, logger=False, selstr='', extrastr=''):
|
---|
1873 | """
|
---|
1874 | print data (scantable) header on the plot and/or logger.
|
---|
1875 | To plot the header on the plot, this method should be called after
|
---|
1876 | plotting spectra by the method, asapplotter.plot.
|
---|
1877 | Parameters:
|
---|
1878 | plot: whether or not print header info on the plot.
|
---|
1879 | fontsize: header font size (valid only plot=True)
|
---|
1880 | logger: whether or not print header info on the logger.
|
---|
1881 | selstr: additional selection string (not verified)
|
---|
1882 | extrastr: additional string to print at the beginning (not verified)
|
---|
1883 | """
|
---|
1884 | if not plot and not logger:
|
---|
1885 | return
|
---|
1886 | if not self._data:
|
---|
1887 | raise RuntimeError("No scantable has been set yet.")
|
---|
1888 | # Now header will be printed on plot and/or logger.
|
---|
1889 | # Get header information and format it.
|
---|
1890 | ssum=self._data._list_header()
|
---|
1891 | # Print Observation header to the upper-left corner of plot
|
---|
1892 | headstr=[ssum[0:ssum.find('Obs. Type:')]]
|
---|
1893 | headstr.append(ssum[ssum.find('Obs. Type:'):ssum.find('Flux Unit:')])
|
---|
1894 | if extrastr != '':
|
---|
1895 | headstr[0]=extrastr+'\n'+headstr[0]
|
---|
1896 | self._headtext['extrastr'] = extrastr
|
---|
1897 | if selstr != '':
|
---|
1898 | selstr += '\n'
|
---|
1899 | self._headtext['selstr'] = selstr
|
---|
1900 | #ssel=(selstr+self._data.get_selection().__str__()+self._selection.__str__() or 'none')
|
---|
1901 | curr_selstr = selstr+self._data.get_selection().__str__() or "none"
|
---|
1902 | ssel=(curr_selstr+"\n" +self._selection.__str__())
|
---|
1903 | headstr.append('\n\n***Selections***\n'+ssel.replace('$','\$'))
|
---|
1904 |
|
---|
1905 | if plot:
|
---|
1906 | errmsg = "Can plot header only after the first call to plot()."
|
---|
1907 | self._assert_plotter(action="halt",errmsg=errmsg)
|
---|
1908 | self._plotter.hold()
|
---|
1909 | self._header_plot(headstr,fontsize=fontsize)
|
---|
1910 | #import time
|
---|
1911 | #self._plotter.figure.text(0.99,0.01,
|
---|
1912 | # time.strftime("%a %d %b %Y %H:%M:%S %Z"),
|
---|
1913 | # horizontalalignment='right',
|
---|
1914 | # verticalalignment='bottom',fontsize=8)
|
---|
1915 | self._plotter.release()
|
---|
1916 | if logger:
|
---|
1917 | selstr = "Selections: "+ssel
|
---|
1918 | asaplog.push("----------------\n Plot Summary\n----------------")
|
---|
1919 | asaplog.push(extrastr)
|
---|
1920 | asaplog.push(ssum[0:ssum.find('Selection:')]\
|
---|
1921 | + selstr)
|
---|
1922 | self._headtext['string'] = headstr
|
---|
1923 | del ssel, ssum, headstr
|
---|
1924 |
|
---|
1925 | def _header_plot(self, texts, fontsize=9):
|
---|
1926 | self._headtext['textobj']=[]
|
---|
1927 | nstcol=len(texts)
|
---|
1928 | for i in range(nstcol):
|
---|
1929 | self._headtext['textobj'].append(
|
---|
1930 | self._plotter.figure.text(0.03+float(i)/nstcol,0.98,
|
---|
1931 | texts[i],
|
---|
1932 | horizontalalignment='left',
|
---|
1933 | verticalalignment='top',
|
---|
1934 | fontsize=fontsize))
|
---|
1935 |
|
---|
1936 | def clear_header(self):
|
---|
1937 | if not self._headtext['textobj']:
|
---|
1938 | asaplog.push("No header has been plotted. Exit without any operation")
|
---|
1939 | asaplog.post("WARN")
|
---|
1940 | elif self._assert_plotter(action="status"):
|
---|
1941 | self._plotter.hold()
|
---|
1942 | for textobj in self._headtext['textobj']:
|
---|
1943 | #if textobj.get_text() in self._headstring:
|
---|
1944 | try:
|
---|
1945 | textobj.remove()
|
---|
1946 | except NotImplementedError:
|
---|
1947 | self._plotter.figure.texts.pop(self._plotter.figure.texts.index(textobj))
|
---|
1948 | self._plotter.release()
|
---|
1949 | self._reset_header()
|
---|
1950 |
|
---|
1951 | # plot spectra by pointing
|
---|
1952 | @asaplog_post_dec
|
---|
1953 | def plotgrid(self, scan=None,center="",spacing=[],rows=None,cols=None):
|
---|
1954 | """
|
---|
1955 | Plot spectra based on direction.
|
---|
1956 |
|
---|
1957 | Parameters:
|
---|
1958 | scan: a scantable to plot
|
---|
1959 | center: the grid center direction (a string)
|
---|
1960 | (default) the center of map region
|
---|
1961 | (example) 'J2000 19h30m00s -25d00m00s'
|
---|
1962 | spacing: a list of horizontal (R.A.) and vertical (Dec.)
|
---|
1963 | spacing.
|
---|
1964 | (default) Calculated by the extent of map region and
|
---|
1965 | (example) ['1arcmin', '1arcmin']
|
---|
1966 | the number of rows and cols to cover
|
---|
1967 | rows: number of panels (grid points) in horizontal direction
|
---|
1968 | cols: number of panels (grid points) in vertical direction
|
---|
1969 |
|
---|
1970 | Note:
|
---|
1971 | - Only the first IFNO, POLNO, and BEAM in the scantable will be
|
---|
1972 | plotted.
|
---|
1973 | - This method doesn't re-grid and average spectra in scantable. Use
|
---|
1974 | asapgrid module to re-grid spectra before plotting with this method.
|
---|
1975 | Only the first spectrum is plotted in case there are multiple
|
---|
1976 | spectra which belong to a grid.
|
---|
1977 | """
|
---|
1978 | self._plotmode = "grid"
|
---|
1979 | from asap import scantable
|
---|
1980 | from numpy import array, ma, cos
|
---|
1981 | if not self._data and not scan:
|
---|
1982 | msg = "No scantable is specified to plot"
|
---|
1983 | raise TypeError(msg)
|
---|
1984 | if scan:
|
---|
1985 | self.set_data(scan, refresh=False)
|
---|
1986 | del scan
|
---|
1987 |
|
---|
1988 | # Rows and cols
|
---|
1989 | if (self._rows is None):
|
---|
1990 | rows = max(1, rows)
|
---|
1991 | if (self._cols is None):
|
---|
1992 | cols = max(1, cols)
|
---|
1993 | self.set_layout(rows,cols,False)
|
---|
1994 |
|
---|
1995 | # Select the first IF, POL, and BEAM for plotting
|
---|
1996 | ntotpl = self._rows * self._cols
|
---|
1997 | ifs = self._data.getifnos()
|
---|
1998 | if len(ifs) > 1:
|
---|
1999 | msg = "Found multiple IFs in scantable. Only the first IF (IFNO=%d) will be plotted." % ifs[0]
|
---|
2000 | asaplog.post()
|
---|
2001 | asaplog.push(msg)
|
---|
2002 | asaplog.post("WARN")
|
---|
2003 | pols = self._data.getpolnos()
|
---|
2004 | if len(pols) > 1:
|
---|
2005 | msg = "Found multiple POLs in scantable. Only the first POL (POLNO=%d) will be plotted." % pols[0]
|
---|
2006 | asaplog.post()
|
---|
2007 | asaplog.push(msg)
|
---|
2008 | asaplog.post("WARN")
|
---|
2009 | beams = self._data.getbeamnos()
|
---|
2010 | if len(beams) > 1:
|
---|
2011 | msg = "Found multiple BEAMs in scantable. Only the first BEAM (BEAMNO=%d) will be plotted." % beams[0]
|
---|
2012 | asaplog.post()
|
---|
2013 | asaplog.push(msg)
|
---|
2014 | asaplog.post("WARN")
|
---|
2015 | self._data.set_selection(ifs=[ifs[0]],pols=[pols[0]],beams=[beams[0]])
|
---|
2016 | if self._data.nrow() > ntotpl:
|
---|
2017 | msg = "Scantable is finely sampled than plotting grids. "\
|
---|
2018 | + "Only the first spectrum is plotted in each grid."
|
---|
2019 | asaplog.post()
|
---|
2020 | asaplog.push(msg)
|
---|
2021 | asaplog.post("WARN")
|
---|
2022 |
|
---|
2023 | # Prepare plotter
|
---|
2024 | self._assert_plotter(action="reload")
|
---|
2025 | self._plotter.hold()
|
---|
2026 | self._reset_counter()
|
---|
2027 | self._plotter.legend()
|
---|
2028 |
|
---|
2029 | # Adjust subplot margins
|
---|
2030 | if not self._margins or len(self._margins) !=6:
|
---|
2031 | self.set_margin(refresh=False)
|
---|
2032 | self._plotter.set_panels(rows=self._rows,cols=self._cols,
|
---|
2033 | nplots=ntotpl,margin=self._margins,ganged=True)
|
---|
2034 | if self.casabar_exists():
|
---|
2035 | self._plotter.figmgr.casabar.enable_button()
|
---|
2036 | # Plot helper
|
---|
2037 | from asap._asap import plothelper as plhelper
|
---|
2038 | ph = plhelper(self._data)
|
---|
2039 | #ph.set_gridval(self._cols, self._rows, spacing[0], spacing[1],
|
---|
2040 | # center[0], center[1], epoch="J2000", projname="SIN")
|
---|
2041 | if type(spacing) in (list, tuple, array):
|
---|
2042 | if len(spacing) == 0:
|
---|
2043 | spacing = ["", ""]
|
---|
2044 | elif len(spacing) == 1:
|
---|
2045 | spacing = [spacing[0], spacing[0]]
|
---|
2046 | else:
|
---|
2047 | spacing = [spacing, spacing]
|
---|
2048 | ph.set_grid(self._cols, self._rows, spacing[0], spacing[1], \
|
---|
2049 | center, projname="SIN")
|
---|
2050 |
|
---|
2051 | # Actual plot
|
---|
2052 | npl = 0
|
---|
2053 | for irow in range(self._data.nrow()):
|
---|
2054 | (ix, iy) = ph.get_gpos(irow)
|
---|
2055 | #print("asapplotter.plotgrid: (ix, iy) = (%f, %f)" % (ix, iy))
|
---|
2056 | if ix < 0 or ix >= self._cols:
|
---|
2057 | #print "Row %d : Out of X-range (x = %f) ... skipped" % (irow, pos[0])
|
---|
2058 | continue
|
---|
2059 | ix = int(ix)
|
---|
2060 | if iy < 0 or iy >= self._rows:
|
---|
2061 | #print "Row %d : Out of Y-range (y = %f) ... skipped" % (irow,pos[1])
|
---|
2062 | continue
|
---|
2063 | iy = int(iy)
|
---|
2064 | ipanel = ix + iy*self._rows
|
---|
2065 | #print("Resolved panel Id (%d, %d): %d" % (ix, iy, ipanel))
|
---|
2066 | if len(self._plotter.subplots[ipanel]['lines']) > 0:
|
---|
2067 | #print "Row %d : panel %d lready plotted ... skipped" % (irow,ipanel)
|
---|
2068 | # a spectrum already plotted in the panel
|
---|
2069 | continue
|
---|
2070 | # Plotting this row
|
---|
2071 | #print "PLOTTING row %d (panel=%d)" % (irow, ipanel)
|
---|
2072 | npl += 1
|
---|
2073 | self._plotter.subplot(ipanel)
|
---|
2074 | self._plotter.palette(0,colormap=self._colormap, \
|
---|
2075 | linestyle=0,linestyles=self._linestyles)
|
---|
2076 | xlab = self._abcissa and self._abcissa[ipanel] \
|
---|
2077 | or self._data._getabcissalabel(irow)
|
---|
2078 | if self._offset and not self._abcissa:
|
---|
2079 | xlab += " (relative)"
|
---|
2080 | ylab = self._ordinate and self._ordinate[ipanel] \
|
---|
2081 | or self._data._get_ordinate_label()
|
---|
2082 | self._plotter.set_axes('xlabel', xlab)
|
---|
2083 | self._plotter.set_axes('ylabel', ylab)
|
---|
2084 | lbl = self._data.get_direction(irow)
|
---|
2085 | self._plotter.set_axes('title',lbl)
|
---|
2086 |
|
---|
2087 | y = self._data._getspectrum(irow)
|
---|
2088 | # flag application
|
---|
2089 | mr = self._data._getflagrow(irow)
|
---|
2090 | if mr: # FLAGROW=True
|
---|
2091 | y = ma.masked_array(y,mask=mr)
|
---|
2092 | else:
|
---|
2093 | m = self._data._getmask(irow)
|
---|
2094 | from numpy import logical_not, logical_and
|
---|
2095 | ### user mask is not available so far
|
---|
2096 | #if self._maskselection and len(self._usermask) == len(m):
|
---|
2097 | # if d[self._stacking](irow) in self._maskselection[self._stacking]:
|
---|
2098 | # m = logical_and(m, self._usermask)
|
---|
2099 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False)))
|
---|
2100 |
|
---|
2101 | x = array(self._data._getabcissa(irow))
|
---|
2102 | if self._offset:
|
---|
2103 | x += self._offset
|
---|
2104 | if self._minmaxx is not None:
|
---|
2105 | s,e = self._slice_indeces(x)
|
---|
2106 | x = x[s:e]
|
---|
2107 | y = y[s:e]
|
---|
2108 | if len(x) > 1024 and rcParams['plotter.decimate']:
|
---|
2109 | fac = len(x)/1024
|
---|
2110 | x = x[::fac]
|
---|
2111 | y = y[::fac]
|
---|
2112 | self._plotter.set_line(label=lbl)
|
---|
2113 | plotit = self._plotter.plot
|
---|
2114 | if self._hist: plotit = self._plotter.hist
|
---|
2115 | if len(x) > 0 and not mr:
|
---|
2116 | plotit(x,y)
|
---|
2117 | # xlim= self._minmaxx or [min(x),max(x)]
|
---|
2118 | # allxlim += xlim
|
---|
2119 | # ylim= self._minmaxy or [ma.minimum(y),ma.maximum(y)]
|
---|
2120 | # allylim += ylim
|
---|
2121 | # else:
|
---|
2122 | # xlim = self._minmaxx or []
|
---|
2123 | # allxlim += xlim
|
---|
2124 | # ylim= self._minmaxy or []
|
---|
2125 | # allylim += ylim
|
---|
2126 |
|
---|
2127 | if npl >= ntotpl:
|
---|
2128 | break
|
---|
2129 |
|
---|
2130 | if self._minmaxy is not None:
|
---|
2131 | self._plotter.set_limits(ylim=self._minmaxy)
|
---|
2132 | self._plotter.release()
|
---|
2133 | self._plotter.tidy()
|
---|
2134 | self._plotter.show(hardrefresh=False)
|
---|
2135 | return
|
---|