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asaplotbase.py @ 2451

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Last change on this file since 2451 was 2451, checked in by Kana Sugimoto, 12 years ago

New Development: No

JIRA Issue: Yes (CAS-3749)

Ready for Test: Yes

Interface Changes: No

What Interface Changed:

Test Programs: unit tests of sdplot

Put in Release Notes: No

Module(s): sdplot, sdfit, sdstat, sdflag, sdcal, sdreduce

Description:

Made asapplotter not to generate plotter window at start-up, but the window is
only generated at the first invokation of plotting operation.

Property svn:eol-style set to native
Property svn:keywords set to Author Date Id Revision

File size: 29.2 KB

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

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source: trunk/python/asaplotbase.py @ 2451

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