Plotter2D.py @ a45037aa

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since a45037aa was ed8ad21, checked in by Jae Cho <jhjcho@…>, 14 years ago
added 2D save as a file in context menu
Property mode set to `100644`
File size: 22.5 KB

Line
1
2	################################################################################
3	#This software was developed by the University of Tennessee as part of the
4	#Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
5	#project funded by the US National Science Foundation.
6	#
7	#See the license text in license.txt
8	#
9	#copyright 2008, University of Tennessee
10	################################################################################
11
12
13	import wx
14	import sys
15	import os
16	import math
17	import pylab
18	import danse.common.plottools
19	from danse.common.plottools.PlotPanel import PlotPanel
20	from danse.common.plottools.plottables import Graph
21	from sans.guiframe.events import EVT_NEW_PLOT
22	from sans.guiframe.events import EVT_SLICER_PARS
23	from sans.guiframe.events import StatusEvent
24	from sans.guiframe.events import NewPlotEvent
25	from sans.guiframe.events import SlicerEvent
26	from sans.guiframe.utils import PanelMenu
27	from binder import BindArtist
28	from Plotter1D import ModelPanel1D
29	from danse.common.plottools.toolbar import NavigationToolBar
30	from sans.guiframe.dataFitting import Data1D
31	(InternalEvent, EVT_INTERNAL) = wx.lib.newevent.NewEvent()
32
33	DEFAULT_QMAX = 0.05
34	DEFAULT_QSTEP = 0.001
35	DEFAULT_BEAM = 0.005
36	BIN_WIDTH = 1.0
37
38
39	class NavigationToolBar2D(NavigationToolBar):
40	"""
41	"""
42	def __init__(self, canvas, parent=None):
43	NavigationToolBar.__init__(self, canvas=canvas, parent=parent)
44
45	def delete_option(self):
46	"""
47	remove default toolbar item
48	"""
49	#delete reset button
50	self.DeleteToolByPos(0)
51	#delete dragging
52	self.DeleteToolByPos(2)
53	#delete unwanted button that configures subplot parameters
54	self.DeleteToolByPos(4)
55
56	def add_option(self):
57	"""
58	add item to the toolbar
59	"""
60	#add print button
61	id_print = wx.NewId()
62	print_bmp = wx.ArtProvider.GetBitmap(wx.ART_PRINT, wx.ART_TOOLBAR)
63	self.AddSimpleTool(id_print, print_bmp,
64	'Print', 'Activate printing')
65	wx.EVT_TOOL(self, id_print, self.on_print)
66
67
68	class ModelPanel2D(ModelPanel1D):
69	"""
70	Plot panel for use with the GUI manager
71	"""
72
73	## Internal name for the AUI manager
74	window_name = "plotpanel"
75	## Title to appear on top of the window
76	window_caption = "Plot Panel"
77	## Flag to tell the GUI manager that this panel is not
78	# tied to any perspective
79	ALWAYS_ON = True
80	## Group ID
81	group_id = None
82
83
84	def __init__(self, parent, id=-1, data2d=None, color = None,
85	dpi=None, style=wx.NO_FULL_REPAINT_ON_RESIZE, **kwargs):
86	"""
87	Initialize the panel
88	"""
89	ModelPanel1D.__init__(self, parent, id=id, style=style, **kwargs)
90
91	## Reference to the parent window
92	self.parent = parent
93	## Dictionary containing Plottables
94	self.plots = {}
95	## Save reference of the current plotted
96	self.data2D = data2d
97	## Unique ID (from gui_manager)
98	self.uid = None
99	## Action IDs for internal call-backs
100	self.action_ids = {}
101	## Create Artist and bind it
102	self.connect = BindArtist(self.subplot.figure)
103	## Beam stop
104	self.beamstop_radius = DEFAULT_BEAM
105	## to set the order of lines drawn first.
106	self.slicer_z = 5
107	## Reference to the current slicer
108	self.slicer = None
109	## event to send slicer info
110	self.Bind(EVT_INTERNAL, self._onEVT_INTERNAL)
111
112	self.axes_frozen = False
113	## panel that contains result from slicer motion (ex: Boxsum info)
114	self.panel_slicer = None
115	## Graph
116	self.graph = Graph()
117	self.graph.xaxis("\\rm{Q}", 'A^{-1}')
118	self.graph.yaxis("\\rm{Intensity} ", "cm^{-1}")
119	self.graph.render(self)
120	## store default value of zmin and zmax
121	self.default_zmin_ctl = self.zmin_2D
122	self.default_zmax_ctl = self.zmax_2D
123
124	def add_toolbar(self):
125	"""
126	add toolbar
127	"""
128	self.enable_toolbar = True
129	self.toolbar = NavigationToolBar2D(parent=self, canvas=self.canvas)
130	self.toolbar.Realize()
131	# On Windows platform, default window size is incorrect, so set
132	# toolbar width to figure width.
133	tw, th = self.toolbar.GetSizeTuple()
134	fw, fh = self.canvas.GetSizeTuple()
135	self.toolbar.SetSize(wx.Size(fw, th))
136	self.sizer.Add(self.toolbar, 0, wx.LEFT\|wx.EXPAND)
137	# update the axes menu on the toolbar
138	self.toolbar.update()
139
140	def _onEVT_1DREPLOT(self, event):
141	"""
142	Data is ready to be displayed
143
144	:TODO: this name should be changed to something more appropriate
145	Don't forget that changing this name will mean changing code
146	in plotting.py
147
148	:param event: data event
149	"""
150	## Update self.data2d with the current plot
151	self.data2D = event.plot
152
153	#TODO: Check for existence of plot attribute
154
155	# Check whether this is a replot. If we ask for a replot
156	# and the plottable no longer exists, ignore the event.
157	if hasattr(event, "update") and event.update == True \
158	and event.plot.name not in self.plots.keys():
159	return
160	if hasattr(event, "reset"):
161	self._reset()
162	is_new = True
163	if event.plot.name in self.plots.keys():
164	# Check whether the class of plottable changed
165	if not event.plot.__class__ == self.plots[event.plot.name].__class__:
166	#overwrite a plottable using the same name
167	self.graph.delete(self.plots[event.plot.name])
168	else:
169	# plottable is already draw on the panel
170	is_new = False
171
172	if is_new:
173	# a new plottable overwrites a plotted one using the same id
174	for plottable in self.plots.itervalues():
175	if hasattr(event.plot,"id"):
176	if event.plot.id == plottable.id:
177	self.graph.delete(plottable)
178
179	self.plots[event.plot.name] = event.plot
180	self.graph.add(self.plots[event.plot.name])
181	else:
182	# Update the plottable with the new data
183
184	#TODO: we should have a method to do this,
185	# something along the lines of:
186	# plottable1.update_data_from_plottable(plottable2)
187
188	self.plots[event.plot.name].xmin = event.plot.xmin
189	self.plots[event.plot.name].xmax = event.plot.xmax
190	self.plots[event.plot.name].ymin = event.plot.ymin
191	self.plots[event.plot.name].ymax = event.plot.ymax
192	self.plots[event.plot.name].data = event.plot.data
193	self.plots[event.plot.name].qx_data = event.plot.qx_data
194	self.plots[event.plot.name].qy_data = event.plot.qy_data
195	self.plots[event.plot.name].err_data = event.plot.err_data
196	# update qmax with the new xmax of data plotted
197	self.qmax = event.plot.xmax
198
199	self.slicer = None
200	# Check axis labels
201	#TODO: Should re-factor this
202	## render the graph with its new content
203
204	#data2D: put 'Pixel (Number)' for axis title and unit in case of having no detector info and none in _units
205	if len(self.data2D.detector) < 1:
206	if len(event.plot._xunit) < 1 and len(event.plot._yunit) < 1:
207	event.plot._xaxis = '\\rm{x}'
208	event.plot._yaxis = '\\rm{y}'
209	event.plot._xunit = 'pixel'
210	event.plot._yunit = 'pixel'
211	self.graph.xaxis(event.plot._xaxis, event.plot._xunit)
212	self.graph.yaxis(event.plot._yaxis, event.plot._yunit)
213	self.graph.title(self.data2D.name)
214	self.graph.render(self)
215	self.subplot.figure.canvas.draw_idle()
216	## store default value of zmin and zmax
217	self.default_zmin_ctl = self.zmin_2D
218	self.default_zmax_ctl = self.zmax_2D
219
220	def onContextMenu(self, event):
221	"""
222	2D plot context menu
223
224	:param event: wx context event
225
226	"""
227	slicerpop = PanelMenu()
228	slicerpop.set_plots(self.plots)
229	slicerpop.set_graph(self.graph)
230
231	id = wx.NewId()
232	slicerpop.Append(id, '&Save image')
233	wx.EVT_MENU(self, id, self.onSaveImage)
234
235	id = wx.NewId()
236	slicerpop.Append(id,'&Print image', 'Print image')
237	wx.EVT_MENU(self, id, self.onPrint)
238
239	id = wx.NewId()
240	slicerpop.Append(id,'&Print Preview', 'image preview for print')
241	wx.EVT_MENU(self, id, self.onPrinterPreview)
242
243	# saving data
244	plot = self.data2D
245	id = wx.NewId()
246	name = plot.name
247	slicerpop.Append(id, "&Save as a file (DAT)" )
248	self.action_ids[str(id)] = plot
249	wx.EVT_MENU(self, id, self._onSave)
250
251	slicerpop.AppendSeparator()
252	if len(self.data2D.detector) == 1:
253
254	item_list = self.parent.get_context_menu(self.graph)
255	if (not item_list == None) and (not len(item_list) == 0):
256	for item in item_list:
257	try:
258	id = wx.NewId()
259	slicerpop.Append(id, item[0], item[1])
260	wx.EVT_MENU(self, id, item[2])
261	except:
262	msg = "ModelPanel1D.onContextMenu: "
263	msg += "bad menu item %s"%sys.exc_value
264	wx.PostEvent(self.parent, StatusEvent(status=msg))
265	pass
266	slicerpop.AppendSeparator()
267
268	id = wx.NewId()
269	slicerpop.Append(id, '&Perform circular average')
270	wx.EVT_MENU(self, id, self.onCircular)
271	id = wx.NewId()
272	slicerpop.Append(id, '&Sector [Q view]')
273	wx.EVT_MENU(self, id, self.onSectorQ)
274	id = wx.NewId()
275	slicerpop.Append(id, '&Annulus [Phi view ]')
276	wx.EVT_MENU(self, id, self.onSectorPhi)
277	id = wx.NewId()
278	slicerpop.Append(id, '&Box Sum')
279	wx.EVT_MENU(self, id, self.onBoxSum)
280	id = wx.NewId()
281	slicerpop.Append(id, '&Box averaging in Qx')
282	wx.EVT_MENU(self, id, self.onBoxavgX)
283	id = wx.NewId()
284	slicerpop.Append(id, '&Box averaging in Qy')
285	wx.EVT_MENU(self, id, self.onBoxavgY)
286	if self.slicer != None:
287	id = wx.NewId()
288	slicerpop.Append(id, '&Clear slicer')
289	wx.EVT_MENU(self, id, self.onClearSlicer)
290	if self.slicer.__class__.__name__ != "BoxSum":
291	id = wx.NewId()
292	slicerpop.Append(id, '&Edit Slicer Parameters')
293	wx.EVT_MENU(self, id, self._onEditSlicer)
294	slicerpop.AppendSeparator()
295	id = wx.NewId()
296	slicerpop.Append(id, '&Detector Parameters')
297	wx.EVT_MENU(self, id, self._onEditDetector)
298	id = wx.NewId()
299	slicerpop.Append(id, '&Toggle Linear/Log scale')
300	wx.EVT_MENU(self, id, self._onToggleScale)
301	pos = event.GetPosition()
302	pos = self.ScreenToClient(pos)
303	self.PopupMenu(slicerpop, pos)
304
305	def _onEditDetector(self, event):
306	"""
307	Allow to view and edits detector parameters
308
309	:param event: wx.menu event
310
311	"""
312	import detector_dialog
313	dialog = detector_dialog.DetectorDialog(self, -1,base=self.parent,
314	reset_zmin_ctl =self.default_zmin_ctl,
315	reset_zmax_ctl = self.default_zmax_ctl,cmap=self.cmap)
316	## info of current detector and data2D
317	xnpts = len(self.data2D.x_bins)
318	ynpts = len(self.data2D.y_bins)
319	xmax = max(self.data2D.xmin, self.data2D.xmax)
320	ymax = max(self.data2D.ymin, self.data2D.ymax)
321	qmax = math.sqrt(math.pow(xmax, 2) + math.pow(ymax, 2))
322	beam = self.data2D.xmin
323	## set dialog window content
324	dialog.setContent(xnpts=xnpts,ynpts=ynpts,qmax=qmax,
325	beam=self.data2D.xmin,
326	zmin = self.zmin_2D,
327	zmax = self.zmax_2D)
328	if dialog.ShowModal() == wx.ID_OK:
329	evt = dialog.getContent()
330	self.zmin_2D = evt.zmin
331	self.zmax_2D = evt.zmax
332	self.cmap = evt.cmap
333	dialog.Destroy()
334	## Redraw the current image
335	self.image(data=self.data2D.data,
336	qx_data=self.data2D.qx_data,
337	qy_data=self.data2D.qy_data,
338	xmin= self.data2D.xmin,
339	xmax= self.data2D.xmax,
340	ymin= self.data2D.ymin,
341	ymax= self.data2D.ymax,
342	zmin= self.zmin_2D,
343	zmax= self.zmax_2D,
344	cmap= self.cmap,
345	color=0, symbol=0, label=self.data2D.name)
346	self.subplot.figure.canvas.draw_idle()
347
348	def freeze_axes(self):
349	"""
350	"""
351	self.axes_frozen = True
352
353	def thaw_axes(self):
354	"""
355	"""
356	self.axes_frozen = False
357
358	def onMouseMotion(self,event):
359	"""
360	"""
361	pass
362
363	def onWheel(self, event):
364	"""
365	"""
366	pass
367
368	def update(self, draw=True):
369	"""
370	Respond to changes in the model by recalculating the
371	profiles and resetting the widgets.
372	"""
373	self.draw()
374
375	def _getEmptySlicerEvent(self):
376	"""
377	create an empty slicervent
378	"""
379	return SlicerEvent(type=None, params=None, obj_class=None)
380
381	def _onEVT_INTERNAL(self, event):
382	"""
383	Draw the slicer
384
385	:param event: wx.lib.newevent (SlicerEvent) containing slicer
386	parameter
387
388	"""
389	self._setSlicer(event.slicer)
390
391	def _setSlicer(self, slicer):
392	"""
393	Clear the previous slicer and create a new one.Post an internal
394	event.
395
396	:param slicer: slicer class to create
397
398	"""
399	## Clear current slicer
400	if not self.slicer == None:
401	self.slicer.clear()
402	## Create a new slicer
403	self.slicer_z += 1
404	self.slicer = slicer(self, self.subplot, zorder=self.slicer_z)
405	self.subplot.set_ylim(self.data2D.ymin, self.data2D.ymax)
406	self.subplot.set_xlim(self.data2D.xmin, self.data2D.xmax)
407	## Draw slicer
408	self.update()
409	self.slicer.update()
410	msg = "Plotter2D._setSlicer %s"%self.slicer.__class__.__name__
411	wx.PostEvent(self.parent, StatusEvent(status=msg))
412	# Post slicer event
413	event = self._getEmptySlicerEvent()
414	event.type = self.slicer.__class__.__name__
415	event.obj_class = self.slicer.__class__
416	event.params = self.slicer.get_params()
417	wx.PostEvent(self, event)
418
419	def onCircular(self, event):
420	"""
421	perform circular averaging on Data2D
422
423	:param event: wx.menu event
424
425	"""
426	from DataLoader.manipulations import CircularAverage
427	## compute the maximum radius of data2D
428	self.qmax = max(math.fabs(self.data2D.xmax),
429	math.fabs(self.data2D.xmin))
430	self.ymax = max(math.fabs(self.data2D.ymax),
431	math.fabs(self.data2D.ymin))
432	self.radius = math.sqrt(math.pow(self.qmax, 2)+ math.pow(self.ymax, 2))
433	##Compute beam width
434	bin_width = (self.qmax + self.qmax)/100
435	## Create data1D circular average of data2D
436	Circle = CircularAverage(r_min=0, r_max=self.radius,
437	bin_width=bin_width)
438	circ = Circle(self.data2D)
439	from sans.guiframe.dataFitting import Data1D
440	if hasattr(circ, "dxl"):
441	dxl = circ.dxl
442	else:
443	dxl = None
444	if hasattr(circ, "dxw"):
445	dxw = circ.dxw
446	else:
447	dxw = None
448	new_plot = Data1D(x=circ.x, y=circ.y, dy=circ.dy)
449	new_plot.dxl = dxl
450	new_plot.dxw = dxw
451	new_plot.name = "Circ avg " + self.data2D.name
452	new_plot.source = self.data2D.source
453	#new_plot.info = self.data2D.info
454	new_plot.interactive = True
455	new_plot.detector = self.data2D.detector
456	## If the data file does not tell us what the axes are, just assume...
457	new_plot.xaxis("\\rm{Q}", "A^{-1}")
458	new_plot.yaxis("\\rm{Intensity} ", "cm^{-1}")
459	new_plot.group_id = "Circ avg " + self.data2D.name
460	new_plot.id = "Circ avg " + self.data2D.name
461	new_plot.is_data = True
462	wx.PostEvent(self.parent,
463	NewPlotEvent(plot=new_plot, title=new_plot.name))
464
465	def _onEditSlicer(self, event):
466	"""
467	Is available only when a slicer is drawn.Create a dialog
468	window where the user can enter value to reset slicer
469	parameters.
470
471	:param event: wx.menu event
472
473	"""
474	if self.slicer != None:
475	from SlicerParameters import SlicerParameterPanel
476	dialog = SlicerParameterPanel(self, -1, "Slicer Parameters")
477	dialog.set_slicer(self.slicer.__class__.__name__,
478	self.slicer.get_params())
479	if dialog.ShowModal() == wx.ID_OK:
480	dialog.Destroy()
481
482	def onSectorQ(self, event):
483	"""
484	Perform sector averaging on Q and draw sector slicer
485	"""
486	from SectorSlicer import SectorInteractor
487	self.onClearSlicer(event)
488	wx.PostEvent(self, InternalEvent(slicer=SectorInteractor))
489
490	def onSectorPhi(self, event):
491	"""
492	Perform sector averaging on Phi and draw annulus slicer
493	"""
494	from AnnulusSlicer import AnnulusInteractor
495	self.onClearSlicer(event)
496	wx.PostEvent(self, InternalEvent(slicer=AnnulusInteractor))
497
498	def onBoxSum(self, event):
499	"""
500	"""
501	from boxSum import BoxSum
502	self.onClearSlicer(event)
503	self.slicer_z += 1
504	self.slicer = BoxSum(self, self.subplot, zorder=self.slicer_z)
505	self.subplot.set_ylim(self.data2D.ymin, self.data2D.ymax)
506	self.subplot.set_xlim(self.data2D.xmin, self.data2D.xmax)
507	self.update()
508	self.slicer.update()
509	## Value used to initially set the slicer panel
510	type = self.slicer.__class__.__name__
511	params = self.slicer.get_params()
512	## Create a new panel to display results of summation of Data2D
513	from slicerpanel import SlicerPanel
514	new_panel = SlicerPanel(parent=self.parent, id=-1,
515	base=self, type=type,
516	params=params, style=wx.RAISED_BORDER)
517
518	new_panel.window_caption = self.slicer.__class__.__name__ + " " + \
519	str(self.data2D.name)
520	new_panel.window_name = self.slicer.__class__.__name__+ " " + \
521	str(self.data2D.name)
522	## Store a reference of the new created panel
523	self.panel_slicer = new_panel
524	## save the window_caption of the new panel in the current slicer
525	self.slicer.set_panel_name(name=new_panel.window_caption)
526	## post slicer panel to guiframe to display it
527	from sans.guiframe.events import SlicerPanelEvent
528	wx.PostEvent(self.parent, SlicerPanelEvent(panel=self.panel_slicer,
529	main_panel=self))
530
531	def onBoxavgX(self,event):
532	"""
533	Perform 2D data averaging on Qx
534	Create a new slicer .
535
536	:param event: wx.menu event
537	"""
538	from boxSlicer import BoxInteractorX
539	self.onClearSlicer(event)
540	wx.PostEvent(self, InternalEvent(slicer=BoxInteractorX))
541
542	def onBoxavgY(self,event):
543	"""
544	Perform 2D data averaging on Qy
545	Create a new slicer .
546
547	:param event: wx.menu event
548
549	"""
550	from boxSlicer import BoxInteractorY
551	self.onClearSlicer(event)
552	wx.PostEvent(self, InternalEvent(slicer=BoxInteractorY))
553
554	def onClearSlicer(self, event):
555	"""
556	Clear the slicer on the plot
557	"""
558	if not self.slicer == None:
559	self.slicer.clear()
560	self.subplot.figure.canvas.draw()
561	self.slicer = None
562	# Post slicer None event
563	event = self._getEmptySlicerEvent()
564	wx.PostEvent(self, event)
565
566	def _onSave(self, evt):
567	"""
568	Save a data set to a dat(text) file
569
570	:param evt: Menu event
571
572	"""
573	id = str(evt.GetId())
574	if id in self.action_ids:
575
576	path = None
577	wildcard = "IGOR/DAT 2D file in Q_map (.dat)\|.DAT"
578	dlg = wx.FileDialog(self, "Choose a file",
579	self._default_save_location,
580	"", wildcard , wx.SAVE)
581
582	if dlg.ShowModal() == wx.ID_OK:
583	path = dlg.GetPath()
584	mypath = os.path.basename(path)
585
586	#TODO: This is bad design. The DataLoader is designed
587	#to recognize extensions.
588	# It should be a simple matter of calling the .
589	#save(file, data, '.xml') method
590	# of the DataLoader.loader.Loader class.
591	from DataLoader.loader import Loader
592	#Instantiate a loader
593	loader = Loader()
594	data = self.data2D
595
596	format = ".dat"
597	if os.path.splitext(mypath)[1].lower() == format:
598	loader.save(path, data, format)
599	try:
600	self._default_save_location = os.path.dirname(path)
601	except:
602	pass
603	dlg.Destroy()

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source: sasview/guiframe/local_perspectives/plotting/Plotter2D.py @ a45037aa

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