source: trunk/python/asaplotbase.py@ 2698

Last change on this file since 2698 was 2697, checked in by Kana Sugimoto, 12 years ago

New Development: No

JIRA Issue: No

Ready for Test: Yes

Interface Changes: No

What Interface Changed:

Test Programs: iterate pages

Put in Release Notes: No

Module(s): asapplotter and sdplot

Description: An attempt to speed-up page iterations in ASAP plotter.


  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 29.9 KB
RevLine 
[705]1"""
2ASAP plotting class based on matplotlib.
3"""
4
5import sys
6from re import match
7import matplotlib
8
9from matplotlib.figure import Figure, Text
[1147]10from matplotlib.font_manager import FontProperties as FP
[1739]11from numpy import sqrt
[705]12from matplotlib import rc, rcParams
[1259]13from matplotlib.ticker import OldScalarFormatter
[2538]14from matplotlib import _pylab_helpers
[1147]15
[1826]16from asap.parameters import rcParams as asaprcParams
[1861]17from asap.logging import asaplog
[1826]18
[1425]19# API change in mpl >= 0.98
20try:
21 from matplotlib.transforms import blended_transform_factory
22except ImportError:
[1560]23 from matplotlib.transforms import blend_xy_sep_transform as blended_transform_factory
[1425]24
[2169]25mvers = matplotlib.__version__.split(".")
26if int(mvers[0]) == 0 and int(mvers[1]) < 99:
[1819]27 #print "Warning: matplotlib version < 0.87. This might cause errors. Please upgrade."
[1826]28 asaplog.push( "matplotlib version < 0.99. This might cause errors. Please upgrade." )
[1861]29 asaplog.post( 'WARN' )
[1019]30
[705]31class asaplotbase:
32 """
33 ASAP plotting base class based on matplotlib.
34 """
35
[1563]36 def __init__(self, rows=1, cols=0, title='', size=None, buffering=False):
[1019]37 """
38 Create a new instance of the ASAPlot plotting class.
[705]39
[1019]40 If rows < 1 then a separate call to set_panels() is required to define
41 the panel layout; refer to the doctext for set_panels().
42 """
[705]43 self.is_dead = False
[1019]44 self.figure = Figure(figsize=size, facecolor='#ddddee')
[705]45 self.canvas = None
46
[1019]47 self.set_title(title)
48 self.subplots = []
49 if rows > 0:
50 self.set_panels(rows, cols)
[705]51
[710]52 # Set matplotlib default colour sequence.
53 self.colormap = "green red black cyan magenta orange blue purple yellow pink".split()
[1019]54
[710]55 c = asaprcParams['plotter.colours']
56 if isinstance(c,str) and len(c) > 0:
57 self.colormap = c.split()
58
[2693]59 self.lsalias = {"line": '-', #[1,0],
60 "dashdot": '-.', #[4,2,1,2],
61 "dashed" : '--', #[4,2,4,2],
62 "dotted" : ':', #[1,2],
[710]63 "dashdotdot": [4,2,1,2,1,2],
64 "dashdashdot": [4,2,4,2,1,2]
65 }
66
67 styles = "line dashed dotted dashdot".split()
68 c = asaprcParams['plotter.linestyles']
69 if isinstance(c,str) and len(c) > 0:
70 styles = c.split()
71 s = []
72 for ls in styles:
73 if self.lsalias.has_key(ls):
74 s.append(self.lsalias.get(ls))
75 else:
76 s.append('-')
77 self.linestyles = s
78
[705]79 self.color = 0;
[710]80 self.linestyle = 0;
[1019]81 self.attributes = {}
82 self.loc = 0
[705]83
[1019]84 self.buffering = buffering
[705]85
[2451]86 self.events = {'button_press':None,
87 'button_release':None,
88 'motion_notify':None}
89
[705]90 def clear(self):
[1019]91 """
[2693]92 Delete all lines from the current subplot.
93 Line numbering will restart from 0.
[1019]94 """
[705]95
[2697]96 #for i in range(len(self.lines)):
97 # self.delete(i)
[1019]98 self.axes.clear()
99 self.color = 0
100 self.lines = []
[2697]101 self.subplots[self.i]['lines'] = self.lines
[705]102
[710]103 def palette(self, color, colormap=None, linestyle=0, linestyles=None):
[705]104 if colormap:
[710]105 if isinstance(colormap,list):
106 self.colormap = colormap
107 elif isinstance(colormap,str):
108 self.colormap = colormap.split()
[705]109 if 0 <= color < len(self.colormap):
110 self.color = color
[710]111 if linestyles:
112 self.linestyles = []
113 if isinstance(linestyles,list):
114 styles = linestyles
115 elif isinstance(linestyles,str):
116 styles = linestyles.split()
117 for ls in styles:
118 if self.lsalias.has_key(ls):
119 self.linestyles.append(self.lsalias.get(ls))
120 else:
121 self.linestyles.append(self.lsalias.get('line'))
122 if 0 <= linestyle < len(self.linestyles):
123 self.linestyle = linestyle
[705]124
125 def delete(self, numbers=None):
[1019]126 """
127 Delete the 0-relative line number, default is to delete the last.
128 The remaining lines are NOT renumbered.
129 """
[705]130
[1019]131 if numbers is None: numbers = [len(self.lines)-1]
[705]132
[1019]133 if not hasattr(numbers, '__iter__'):
134 numbers = [numbers]
[705]135
[1019]136 for number in numbers:
137 if 0 <= number < len(self.lines):
138 if self.lines[number] is not None:
139 for line in self.lines[number]:
140 line.set_linestyle('None')
141 self.lines[number] = None
142 self.show()
[705]143
144 def get_line(self):
[1019]145 """
146 Get the current default line attributes.
147 """
148 return self.attributes
[705]149
150
[1086]151 def hist(self, x=None, y=None, fmt=None, add=None):
[1019]152 """
153 Plot a histogram. N.B. the x values refer to the start of the
154 histogram bin.
[705]155
[1019]156 fmt is the line style as in plot().
157 """
[1739]158 from numpy import array
159 from numpy.ma import MaskedArray
[1019]160 if x is None:
161 if y is None: return
[1023]162 x = range(len(y))
[705]163
[1019]164 if len(x) != len(y):
165 return
166 l2 = 2*len(x)
[1023]167 x2 = range(l2)
[1086]168 y2 = range(12)
[1023]169 y2 = range(l2)
170 m2 = range(l2)
[1553]171 ymsk = None
172 ydat = None
173 if hasattr(y, "raw_mask"):
174 # numpy < 1.1
175 ymsk = y.raw_mask()
176 ydat = y.raw_data()
177 else:
178 ymsk = y.mask
179 ydat = y.data
[1023]180 for i in range(l2):
[1019]181 x2[i] = x[i/2]
[1086]182 m2[i] = ymsk[i/2]
[705]183
[1023]184 y2[0] = 0.0
[1019]185 for i in range(1,l2):
[1086]186 y2[i] = ydat[(i-1)/2]
[705]187
[1086]188 self.plot(x2, MaskedArray(y2,mask=m2,copy=0), fmt, add)
[705]189
190
191 def hold(self, hold=True):
[1019]192 """
193 Buffer graphics until subsequently released.
194 """
195 self.buffering = hold
[705]196
197
198 def legend(self, loc=None):
[1019]199 """
200 Add a legend to the plot.
[705]201
[1019]202 Any other value for loc else disables the legend:
203 1: upper right
204 2: upper left
205 3: lower left
206 4: lower right
207 5: right
208 6: center left
209 7: center right
210 8: lower center
211 9: upper center
212 10: center
[705]213
[1019]214 """
[1095]215 if isinstance(loc, int):
[1098]216 self.loc = None
217 if 0 <= loc <= 10: self.loc = loc
[1095]218 else:
219 self.loc = None
220 #self.show()
[705]221
222
[1086]223 def plot(self, x=None, y=None, fmt=None, add=None):
[1019]224 """
225 Plot the next line in the current frame using the current line
226 attributes. The ASAPlot graphics window will be mapped and raised.
[705]227
[1019]228 The argument list works a bit like the matlab plot() function.
229 """
230 if x is None:
231 if y is None: return
232 x = range(len(y))
[705]233
[1019]234 elif y is None:
235 y = x
236 x = range(len(y))
[1086]237 if fmt is None:
238 line = self.axes.plot(x, y)
[1019]239 else:
[1086]240 line = self.axes.plot(x, y, fmt)
[1980]241 # add a picker to lines for spectral value mode.
242 # matplotlib.axes.plot returns a list of line object (1 element)
243 line[0].set_picker(5.0)
[705]244
[1019]245 # Add to an existing line?
[1086]246 i = None
[1019]247 if add is None or len(self.lines) < add < 0:
248 # Don't add.
249 self.lines.append(line)
250 i = len(self.lines) - 1
251 else:
252 if add == 0: add = len(self.lines)
253 i = add - 1
254 self.lines[i].extend(line)
[705]255
[1019]256 # Set/reset attributes for the line.
257 gotcolour = False
258 for k, v in self.attributes.iteritems():
259 if k == 'color': gotcolour = True
260 for segment in self.lines[i]:
261 getattr(segment, "set_%s"%k)(v)
[705]262
[1019]263 if not gotcolour and len(self.colormap):
264 for segment in self.lines[i]:
265 getattr(segment, "set_color")(self.colormap[self.color])
[710]266 if len(self.colormap) == 1:
267 getattr(segment, "set_dashes")(self.linestyles[self.linestyle])
[1086]268
[1019]269 self.color += 1
270 if self.color >= len(self.colormap):
271 self.color = 0
[705]272
[710]273 if len(self.colormap) == 1:
274 self.linestyle += 1
[1019]275 if self.linestyle >= len(self.linestyles):
276 self.linestyle = 0
[710]277
[1019]278 self.show()
[705]279
280
281 def position(self):
[1019]282 """
283 Use the mouse to get a position from a graph.
284 """
[705]285
[1019]286 def position_disable(event):
287 self.register('button_press', None)
288 print '%.4f, %.4f' % (event.xdata, event.ydata)
[705]289
[1019]290 print 'Press any mouse button...'
291 self.register('button_press', position_disable)
[705]292
293
[1546]294 def get_region(self):
295 pos = []
[1568]296 print "Please select the bottom/left point"
[1546]297 pos.append(self.figure.ginput(n=1, show_clicks=False)[0])
[1568]298 print "Please select the top/right point"
[1546]299 pos.append(self.figure.ginput(n=1, show_clicks=False)[0])
300 return pos
301
302 def get_point(self):
[1568]303 print "Please select the point"
[1553]304 pt = self.figure.ginput(n=1, show_clicks=False)
305 if pt:
306 return pt[0]
307 else:
308 return None
[1546]309
[705]310 def region(self):
[1019]311 """
312 Use the mouse to get a rectangular region from a plot.
[705]313
[1019]314 The return value is [x0, y0, x1, y1] in world coordinates.
315 """
[705]316
[1019]317 def region_start(event):
[1819]318 self.rect = {'x': event.x, 'y': event.y,
[1019]319 'world': [event.xdata, event.ydata,
320 event.xdata, event.ydata]}
321 self.register('button_press', None)
322 self.register('motion_notify', region_draw)
323 self.register('button_release', region_disable)
[705]324
[1019]325 def region_draw(event):
[1819]326 self.figmgr.toolbar.draw_rubberband(event, event.x, event.y,
327 self.rect['x'], self.rect['y'])
[1826]328
[1019]329 def region_disable(event):
330 self.register('motion_notify', None)
331 self.register('button_release', None)
[705]332
[1019]333 self.rect['world'][2:4] = [event.xdata, event.ydata]
334 print '(%.2f, %.2f) (%.2f, %.2f)' % (self.rect['world'][0],
335 self.rect['world'][1], self.rect['world'][2],
336 self.rect['world'][3])
[1819]337 self.figmgr.toolbar.release(event)
[705]338
[1019]339 self.register('button_press', region_start)
[705]340
[1019]341 # This has to be modified to block and return the result (currently
342 # printed by region_disable) when that becomes possible in matplotlib.
[705]343
[1019]344 return [0.0, 0.0, 0.0, 0.0]
[705]345
346
347 def register(self, type=None, func=None):
[1019]348 """
349 Register, reregister, or deregister events of type 'button_press',
350 'button_release', or 'motion_notify'.
[705]351
[1019]352 The specified callback function should have the following signature:
[705]353
[1019]354 def func(event)
[705]355
[1019]356 where event is an MplEvent instance containing the following data:
[705]357
[1019]358 name # Event name.
359 canvas # FigureCanvas instance generating the event.
360 x = None # x position - pixels from left of canvas.
361 y = None # y position - pixels from bottom of canvas.
362 button = None # Button pressed: None, 1, 2, 3.
363 key = None # Key pressed: None, chr(range(255)), shift,
364 win, or control
365 inaxes = None # Axes instance if cursor within axes.
366 xdata = None # x world coordinate.
367 ydata = None # y world coordinate.
[705]368
[1019]369 For example:
[705]370
[1019]371 def mouse_move(event):
372 print event.xdata, event.ydata
[705]373
[1019]374 a = asaplot()
375 a.register('motion_notify', mouse_move)
[705]376
[1019]377 If func is None, the event is deregistered.
[705]378
[1019]379 Note that in TkAgg keyboard button presses don't generate an event.
380 """
[705]381
[1019]382 if not self.events.has_key(type): return
[705]383
[1019]384 if func is None:
385 if self.events[type] is not None:
386 # It's not clear that this does anything.
387 self.canvas.mpl_disconnect(self.events[type])
388 self.events[type] = None
[705]389
[1819]390 # It seems to be necessary to return events to the toolbar. <-- Not ture. 2010.Jul.14.kana.
391 #if type == 'motion_notify':
392 # self.canvas.mpl_connect(type + '_event',
393 # self.figmgr.toolbar.mouse_move)
394 #elif type == 'button_press':
395 # self.canvas.mpl_connect(type + '_event',
396 # self.figmgr.toolbar.press)
397 #elif type == 'button_release':
398 # self.canvas.mpl_connect(type + '_event',
399 # self.figmgr.toolbar.release)
[705]400
[1019]401 else:
402 self.events[type] = self.canvas.mpl_connect(type + '_event', func)
[705]403
404
405 def release(self):
[1019]406 """
407 Release buffered graphics.
408 """
409 self.buffering = False
410 self.show()
[705]411
412
[1095]413 def save(self, fname=None, orientation=None, dpi=None, papertype=None):
[1019]414 """
415 Save the plot to a file.
[705]416
[1019]417 fname is the name of the output file. The image format is determined
418 from the file suffix; 'png', 'ps', and 'eps' are recognized. If no
419 file name is specified 'yyyymmdd_hhmmss.png' is created in the current
420 directory.
421 """
[1095]422 from asap import rcParams
423 if papertype is None:
424 papertype = rcParams['plotter.papertype']
[1019]425 if fname is None:
426 from datetime import datetime
427 dstr = datetime.now().strftime('%Y%m%d_%H%M%S')
428 fname = 'asap'+dstr+'.png'
[705]429
[1870]430 d = ['png','.ps','eps', 'svg']
[705]431
[1019]432 from os.path import expandvars
433 fname = expandvars(fname)
[705]434
[1019]435 if fname[-3:].lower() in d:
436 try:
[705]437 if fname[-3:].lower() == ".ps":
[1020]438 from matplotlib import __version__ as mv
[1479]439 w = self.figure.get_figwidth()
440 h = self.figure.get_figheight()
[1019]441
[705]442 if orientation is None:
[1147]443 # oriented
[705]444 if w > h:
445 orientation = 'landscape'
446 else:
447 orientation = 'portrait'
[1095]448 from matplotlib.backends.backend_ps import papersize
449 pw,ph = papersize[papertype.lower()]
[1025]450 ds = None
451 if orientation == 'landscape':
[1095]452 ds = min(ph/w, pw/h)
[1025]453 else:
[1095]454 ds = min(pw/w, ph/h)
[1025]455 ow = ds * w
456 oh = ds * h
[1479]457 self.figure.set_size_inches((ow, oh))
[1095]458 self.figure.savefig(fname, orientation=orientation,
459 papertype=papertype.lower())
[1479]460 self.figure.set_size_inches((w, h))
[705]461 print 'Written file %s' % (fname)
[1019]462 else:
[705]463 if dpi is None:
464 dpi =150
[1025]465 self.figure.savefig(fname,dpi=dpi)
[705]466 print 'Written file %s' % (fname)
[1019]467 except IOError, msg:
[1819]468 #print 'Failed to save %s: Error msg was\n\n%s' % (fname, err)
[1861]469 asaplog.post()
[1819]470 asaplog.push('Failed to save %s: Error msg was\n\n%s' % (fname, str(msg)))
[1861]471 asaplog.post( 'ERROR' )
[1019]472 return
473 else:
[1819]474 #print "Invalid image type. Valid types are:"
475 #print "'ps', 'eps', 'png'"
476 asaplog.push( "Invalid image type. Valid types are:" )
[1870]477 asaplog.push( "'ps', 'eps', 'png', 'svg'" )
[1861]478 asaplog.post('WARN')
[705]479
480
481 def set_axes(self, what=None, *args, **kwargs):
[1019]482 """
483 Set attributes for the axes by calling the relevant Axes.set_*()
484 method. Colour translation is done as described in the doctext
485 for palette().
486 """
[705]487
[1019]488 if what is None: return
489 if what[-6:] == 'colour': what = what[:-6] + 'color'
[705]490
[1153]491 key = "colour"
492 if kwargs.has_key(key):
493 val = kwargs.pop(key)
494 kwargs["color"] = val
[705]495
[1153]496 getattr(self.axes, "set_%s"%what)(*args, **kwargs)
[705]497
[1153]498 self.show(hardrefresh=False)
[705]499
[1019]500
[705]501 def set_figure(self, what=None, *args, **kwargs):
[1019]502 """
503 Set attributes for the figure by calling the relevant Figure.set_*()
504 method. Colour translation is done as described in the doctext
505 for palette().
506 """
[705]507
[1019]508 if what is None: return
509 if what[-6:] == 'colour': what = what[:-6] + 'color'
510 #if what[-5:] == 'color' and len(args):
511 # args = (get_colour(args[0]),)
[705]512
[1019]513 newargs = {}
514 for k, v in kwargs.iteritems():
515 k = k.lower()
516 if k == 'colour': k = 'color'
517 newargs[k] = v
[705]518
[1019]519 getattr(self.figure, "set_%s"%what)(*args, **newargs)
[1153]520 self.show(hardrefresh=False)
[705]521
522
523 def set_limits(self, xlim=None, ylim=None):
[1019]524 """
525 Set x-, and y-limits for each subplot.
[705]526
[1019]527 xlim = [xmin, xmax] as in axes.set_xlim().
528 ylim = [ymin, ymax] as in axes.set_ylim().
529 """
530 for s in self.subplots:
531 self.axes = s['axes']
532 self.lines = s['lines']
[705]533 oldxlim = list(self.axes.get_xlim())
534 oldylim = list(self.axes.get_ylim())
535 if xlim is not None:
536 for i in range(len(xlim)):
537 if xlim[i] is not None:
538 oldxlim[i] = xlim[i]
[1019]539 if ylim is not None:
[705]540 for i in range(len(ylim)):
541 if ylim[i] is not None:
542 oldylim[i] = ylim[i]
543 self.axes.set_xlim(oldxlim)
544 self.axes.set_ylim(oldylim)
545 return
546
547
548 def set_line(self, number=None, **kwargs):
[1019]549 """
550 Set attributes for the specified line, or else the next line(s)
551 to be plotted.
[705]552
[1019]553 number is the 0-relative number of a line that has already been
554 plotted. If no such line exists, attributes are recorded and used
555 for the next line(s) to be plotted.
[705]556
[1019]557 Keyword arguments specify Line2D attributes, e.g. color='r'. Do
[705]558
[1019]559 import matplotlib
560 help(matplotlib.lines)
[705]561
[1019]562 The set_* methods of class Line2D define the attribute names and
[2451]563 values. For non-US usage, 'colour' is recognized as synonymous with
564 'color'.
[705]565
[1019]566 Set the value to None to delete an attribute.
[705]567
[1019]568 Colour translation is done as described in the doctext for palette().
569 """
[705]570
[1019]571 redraw = False
572 for k, v in kwargs.iteritems():
573 k = k.lower()
574 if k == 'colour': k = 'color'
[705]575
[1019]576 if 0 <= number < len(self.lines):
577 if self.lines[number] is not None:
578 for line in self.lines[number]:
579 getattr(line, "set_%s"%k)(v)
580 redraw = True
581 else:
582 if v is None:
583 del self.attributes[k]
584 else:
585 self.attributes[k] = v
[705]586
[1153]587 if redraw: self.show(hardrefresh=False)
[705]588
589
[1819]590 #def set_panels(self, rows=1, cols=0, n=-1, nplots=-1, ganged=True):
[2037]591 def set_panels(self, rows=1, cols=0, n=-1, nplots=-1, margin=None,ganged=True):
[1019]592 """
593 Set the panel layout.
[705]594
[1019]595 rows and cols, if cols != 0, specify the number of rows and columns in
596 a regular layout. (Indexing of these panels in matplotlib is row-
597 major, i.e. column varies fastest.)
[705]598
[1019]599 cols == 0 is interpreted as a retangular layout that accomodates
600 'rows' panels, e.g. rows == 6, cols == 0 is equivalent to
601 rows == 2, cols == 3.
[705]602
[1019]603 0 <= n < rows*cols is interpreted as the 0-relative panel number in
604 the configuration specified by rows and cols to be added to the
605 current figure as its next 0-relative panel number (i). This allows
606 non-regular panel layouts to be constructed via multiple calls. Any
607 other value of n clears the plot and produces a rectangular array of
608 empty panels. The number of these may be limited by nplots.
609 """
610 if n < 0 and len(self.subplots):
611 self.figure.clear()
612 self.set_title()
[705]613
[2037]614 if margin:
615 lef, bot, rig, top, wsp, hsp = margin
[1819]616 self.figure.subplots_adjust(
617 left=lef,bottom=bot,right=rig,top=top,wspace=wsp,hspace=hsp)
618 del lef,bot,rig,top,wsp,hsp
619
[1019]620 if rows < 1: rows = 1
[705]621
[1019]622 if cols <= 0:
623 i = int(sqrt(rows))
624 if i*i < rows: i += 1
625 cols = i
[705]626
[1019]627 if i*(i-1) >= rows: i -= 1
628 rows = i
[705]629
[1019]630 if 0 <= n < rows*cols:
631 i = len(self.subplots)
[1819]632
[1019]633 self.subplots.append({})
[705]634
[1019]635 self.subplots[i]['axes'] = self.figure.add_subplot(rows,
636 cols, n+1)
637 self.subplots[i]['lines'] = []
[705]638
[1019]639 if i == 0: self.subplot(0)
[705]640
[1019]641 self.rows = 0
642 self.cols = 0
[705]643
[1019]644 else:
645 self.subplots = []
[705]646
[1019]647 if nplots < 1 or rows*cols < nplots:
648 nplots = rows*cols
[1025]649 if ganged:
650 hsp,wsp = None,None
651 if rows > 1: hsp = 0.0001
652 if cols > 1: wsp = 0.0001
653 self.figure.subplots_adjust(wspace=wsp,hspace=hsp)
[1019]654 for i in range(nplots):
655 self.subplots.append({})
[1153]656 self.subplots[i]['lines'] = []
657 if not ganged:
658 self.subplots[i]['axes'] = self.figure.add_subplot(rows,
[1019]659 cols, i+1)
[1560]660 if asaprcParams['plotter.axesformatting'] != 'mpl':
[1513]661 self.subplots[i]['axes'].xaxis.set_major_formatter(OldScalarFormatter())
[1153]662 else:
663 if i == 0:
664 self.subplots[i]['axes'] = self.figure.add_subplot(rows,
665 cols, i+1)
[1560]666 if asaprcParams['plotter.axesformatting'] != 'mpl':
[1826]667
[1513]668 self.subplots[i]['axes'].xaxis.set_major_formatter(OldScalarFormatter())
[1153]669 else:
670 self.subplots[i]['axes'] = self.figure.add_subplot(rows,
671 cols, i+1,
672 sharex=self.subplots[0]['axes'],
673 sharey=self.subplots[0]['axes'])
[1259]674
[705]675 # Suppress tick labelling for interior subplots.
676 if i <= (rows-1)*cols - 1:
677 if i+cols < nplots:
678 # Suppress x-labels for frames width
679 # adjacent frames
[1153]680 for tick in self.subplots[i]['axes'].xaxis.majorTicks:
681 tick.label1On = False
[1926]682 #self.subplots[i]['axes'].xaxis.label.set_visible(False)
[705]683 if i%cols:
684 # Suppress y-labels for frames not in the left column.
685 for tick in self.subplots[i]['axes'].yaxis.majorTicks:
686 tick.label1On = False
[1926]687 #self.subplots[i]['axes'].yaxis.label.set_visible(False)
[1025]688 # disable the first tick of [1:ncol-1] of the last row
[1153]689 #if i+1 < nplots:
690 # self.subplots[i]['axes'].xaxis.majorTicks[0].label1On = False
[1926]691 # set axes label state for interior subplots.
692 if i%cols:
693 self.subplots[i]['axes'].yaxis.label.set_visible(False)
694 if (i <= (rows-1)*cols - 1) and (i+cols < nplots):
695 self.subplots[i]['axes'].xaxis.label.set_visible(False)
696 self.rows = rows
697 self.cols = cols
[1019]698 self.subplot(0)
[2037]699 del rows,cols,n,nplots,margin,ganged,i
[705]700
[1926]701
[1153]702 def tidy(self):
703 # this needs to be exceuted after the first "refresh"
704 nplots = len(self.subplots)
705 if nplots == 1: return
706 for i in xrange(nplots):
707 ax = self.subplots[i]['axes']
708 if i%self.cols:
709 ax.xaxis.majorTicks[0].label1On = False
710 else:
711 if i != 0:
712 ax.yaxis.majorTicks[-1].label1On = False
[1926]713 ## set axes label state for interior subplots.
714 #innerax=False
715 #if i%self.cols:
716 # ax.yaxis.label.set_visible(innerax)
717 #if (i <= (self.rows-1)*self.cols - 1) and (i+self.cols < nplots):
718 # ax.xaxis.label.set_visible(innerax)
719
[1153]720
[705]721 def set_title(self, title=None):
[1019]722 """
723 Set the title of the plot window. Use the previous title if title is
724 omitted.
725 """
726 if title is not None:
727 self.title = title
[705]728
[1019]729 self.figure.text(0.5, 0.95, self.title, horizontalalignment='center')
[705]730
731
[1153]732 def show(self, hardrefresh=True):
[1019]733 """
734 Show graphics dependent on the current buffering state.
735 """
[1153]736 if not hardrefresh: return
[1019]737 if not self.buffering:
738 if self.loc is not None:
[1086]739 for sp in self.subplots:
[1019]740 lines = []
741 labels = []
742 i = 0
[1086]743 for line in sp['lines']:
[1019]744 i += 1
745 if line is not None:
746 lines.append(line[0])
747 lbl = line[0].get_label()
748 if lbl == '':
749 lbl = str(i)
750 labels.append(lbl)
[705]751
[1019]752 if len(lines):
[1147]753 fp = FP(size=rcParams['legend.fontsize'])
[2068]754 #fsz = fp.get_size_in_points() - len(lines)
755 fsz = fp.get_size_in_points() - max(len(lines),self.cols)
756 #fp.set_size(max(fsz,6))
757 fp.set_size(max(fsz,8))
[1086]758 sp['axes'].legend(tuple(lines), tuple(labels),
[1147]759 self.loc, prop=fp)
[1946]760 #else:
761 # sp['axes'].legend((' '))
[705]762
[1086]763 from matplotlib.artist import setp
[1560]764 fpx = FP(size=rcParams['xtick.labelsize'])
765 xts = fpx.get_size_in_points()- (self.cols)/2
766 fpy = FP(size=rcParams['ytick.labelsize'])
767 yts = fpy.get_size_in_points() - (self.rows)/2
768 fpa = FP(size=rcParams['axes.labelsize'])
769 fpat = FP(size=rcParams['axes.titlesize'])
770 axsize = fpa.get_size_in_points()
[1819]771 tsize = fpat.get_size_in_points()-(self.cols)/2
[1086]772 for sp in self.subplots:
773 ax = sp['axes']
[1819]774 ax.title.set_size(tsize)
[1086]775 setp(ax.get_xticklabels(), fontsize=xts)
776 setp(ax.get_yticklabels(), fontsize=yts)
777 off = 0
[1819]778 if self.cols > 1: off = self.cols
[1560]779 ax.xaxis.label.set_size(axsize-off)
[1819]780 off = 0
781 if self.rows > 1: off = self.rows
[1560]782 ax.yaxis.label.set_size(axsize-off)
[705]783
784 def subplot(self, i=None, inc=None):
[1019]785 """
786 Set the subplot to the 0-relative panel number as defined by one or
787 more invokations of set_panels().
788 """
789 l = len(self.subplots)
790 if l:
791 if i is not None:
792 self.i = i
[705]793
[1019]794 if inc is not None:
795 self.i += inc
[705]796
[1019]797 self.i %= l
798 self.axes = self.subplots[self.i]['axes']
799 self.lines = self.subplots[self.i]['lines']
[705]800
801 def text(self, *args, **kwargs):
[1019]802 """
803 Add text to the figure.
804 """
805 self.figure.text(*args, **kwargs)
806 self.show()
[1147]807
808 def vline_with_label(self, x, y, label,
809 location='bottom', rotate=0.0, **kwargs):
810 """
811 Plot a vertical line with label.
812 It takes "world" values fo x and y.
813 """
814 ax = self.axes
815 # need this to suppress autoscaling during this function
816 self.axes.set_autoscale_on(False)
817 ymin = 0.0
818 ymax = 1.0
819 valign = 'center'
820 if location.lower() == 'top':
821 y = max(0.0, y)
822 elif location.lower() == 'bottom':
823 y = min(0.0, y)
824 lbloffset = 0.06
825 # a rough estimate for the bb of the text
826 if rotate > 0.0: lbloffset = 0.03*len(label)
827 peakoffset = 0.01
[1535]828 xy = None
829 xy0 = None
830 # matplotlib api change 0.98 is using transform now
831 if hasattr(ax.transData, "inverse_xy_tup"):
832 # get relative coords
833 xy0 = ax.transData.xy_tup((x,y))
834 xy = ax.transAxes.inverse_xy_tup(xy0)
835 else:
836 xy0 = ax.transData.transform((x,y))
837 # get relative coords
838 xy = ax.transAxes.inverted().transform(xy0)
[1147]839 if location.lower() == 'top':
840 ymax = 1.0-lbloffset
841 ymin = xy[1]+peakoffset
842 valign = 'bottom'
843 ylbl = ymax+0.01
844 elif location.lower() == 'bottom':
845 ymin = lbloffset
846 ymax = xy[1]-peakoffset
847 valign = 'top'
848 ylbl = ymin-0.01
[1425]849 trans = blended_transform_factory(ax.transData, ax.transAxes)
[1147]850 l = ax.axvline(x, ymin, ymax, color='black', **kwargs)
851 t = ax.text(x, ylbl ,label, verticalalignment=valign,
852 horizontalalignment='center',
853 rotation=rotate,transform = trans)
854 self.axes.set_autoscale_on(True)
[2538]855
856 def _alive(self):
857 # Return True if the GUI alives.
858 if (not self.is_dead) and \
859 self.figmgr and hasattr(self.figmgr, "num"):
860 figid = self.figmgr.num
861 # Make sure figid=0 is what asapplotter expects.
862 # It might be already destroied/overridden by matplotlib
863 # commands or other methods using asaplot.
864 return _pylab_helpers.Gcf.has_fignum(figid) and \
865 (self.figmgr == _pylab_helpers.Gcf.get_fig_manager(figid))
866 return False
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