SectorSlicer.py @ 8068b52

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 8068b52 was 70cf5d3, checked in by Gervaise Alina <gervyh@…>, 16 years ago
allow selecting for fit for average data1D
Property mode set to `100644`
File size: 22.1 KB

Line
1	#TODO: the line slicer should listen to all 2DREFRESH events, get the data and slice it
2	# before pushing a new 1D data update.
3
4	#
5	#TODO: NEED MAJOR REFACTOR
6	#
7
8
9	# Debug printout
10	import math
11	import wx
12	from copy import deepcopy
13
14	from BaseInteractor import _BaseInteractor
15	from sans.guicomm.events import NewPlotEvent, StatusEvent
16	from sans.guicomm.events import SlicerParameterEvent,EVT_SLICER_PARS
17
18
19	class SectorInteractor(_BaseInteractor):
20	"""
21	Draw a sector slicer.Allow to performQ averaging on data 2D
22	"""
23	def __init__(self,base,axes,color='black', zorder=3):
24
25	_BaseInteractor.__init__(self, base, axes, color=color)
26	## Class initialization
27	self.markers = []
28	self.axes = axes
29	## connect the plot to event
30	self.connect = self.base.connect
31
32	## compute qmax limit to reset the graph
33	x = math.pow(max(self.base.data2D.xmax,math.fabs(self.base.data2D.xmin)),2)
34	y = math.pow(max(self.base.data2D.ymax,math.fabs(self.base.data2D.ymin)),2)
35	self.qmax= math.sqrt(x + y)
36	## Number of points on the plot
37	self.nbins = 20
38	## Angle of the middle line
39	self.theta2= math.pi/3
40	## Absolute value of the Angle between the middle line and any side line
41	self.phi=math.pi/12
42
43	## Middle line
44	self.main_line = LineInteractor(self, self.base.subplot,color='blue', zorder=zorder, r=self.qmax,
45	theta= self.theta2)
46	self.main_line.qmax = self.qmax
47	## Right Side line
48	self.right_line= SideInteractor(self, self.base.subplot,color='black', zorder=zorder,
49	r=self.qmax,
50	phi= -1*self.phi,
51	theta2=self.theta2)
52	self.right_line.qmax = self.qmax
53	## Left Side line
54	self.left_line= SideInteractor(self, self.base.subplot,color='black', zorder=zorder,
55	r=self.qmax,
56	phi= self.phi,
57	theta2=self.theta2)
58	self.left_line.qmax = self.qmax
59	## draw the sector
60	self.update()
61	self._post_data()
62
63	## Bind to slice parameter events
64	self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS)
65
66
67	def _onEVT_SLICER_PARS(self, event):
68	"""
69	receive an event containing parameters values to reset the slicer
70	@param event: event of type SlicerParameterEvent with params as
71	attribute
72	"""
73	wx.PostEvent(self.base.parent, StatusEvent(status="SectorSlicer._onEVT_SLICER_PARS"))
74	event.Skip()
75	if event.type == self.__class__.__name__:
76	self.set_params(event.params)
77	self.base.update()
78
79
80	def set_layer(self, n):
81	"""
82	Allow adding plot to the same panel
83	@param n: the number of layer
84	"""
85	self.layernum = n
86	self.update()
87
88
89	def clear(self):
90	"""
91	Clear the slicer and all connected events related to this slicer
92	"""
93	self.clear_markers()
94	self.main_line.clear()
95	self.left_line.clear()
96	self.right_line.clear()
97	self.base.connect.clearall()
98	self.base.Unbind(EVT_SLICER_PARS)
99
100
101	def update(self):
102	"""
103	Respond to changes in the model by recalculating the profiles and
104	resetting the widgets.
105	"""
106	# Update locations
107	## Check if the middle line was dragged and update the picture accordingly
108	if self.main_line.has_move:
109	self.main_line.update()
110	self.right_line.update( delta= -self.left_line.phi/2,
111	mline= self.main_line.theta )
112	self.left_line.update( delta = self.left_line.phi/2,
113	mline= self.main_line.theta )
114	## Check if the left side has moved and update the slicer accordingly
115	if self.left_line.has_move:
116	self.main_line.update()
117	self.left_line.update( phi=None, delta=None, mline=self.main_line ,
118	side=True, left=True )
119	self.right_line.update( phi= self.left_line.phi, delta= None,
120	mline= self.main_line, side= True,
121	left=False, right= True )
122	## Check if the right side line has moved and update the slicer accordingly
123	if self.right_line.has_move:
124	self.main_line.update()
125	self.right_line.update( phi=None, delta=None, mline=self.main_line,
126	side=True, left=False, right=True )
127	self.left_line.update( phi=self.right_line.phi, delta=None,
128	mline=self.main_line, side=True, left=False )
129
130
131	def save(self, ev):
132	"""
133	Remember the roughness for this layer and the next so that we
134	can restore on Esc.
135	"""
136	self.base.freeze_axes()
137	self.main_line.save(ev)
138	self.right_line.save(ev)
139	self.left_line.save(ev)
140
141	def _post_data(self, nbins=None):
142	"""
143	compute sector averaging of data2D into data1D
144	@param nbins: the number of point to plot for the average 1D data
145	"""
146	## get the data2D to average
147	data = self.base.data2D
148	# If we have no data, just return
149	if data == None:
150	return
151	## Averaging
152	from DataLoader.manipulations import SectorQ
153	radius = self.qmax
154	phimin = -self.left_line.phi + self.main_line.theta
155	phimax = self.left_line.phi + self.main_line.theta
156
157	if nbins==None:
158	nbins = 20
159	sect = SectorQ(r_min= 0.0, r_max= radius ,
160	phi_min= phimin + math.pi,
161	phi_max= phimax + math.pi, nbins=nbins)
162
163	sector = sect(self.base.data2D)
164	##Create 1D data resulting from average
165	from sans.guiframe.dataFitting import Data1D
166	if hasattr(sector,"dxl"):
167	dxl= sector.dxl
168	else:
169	dxl= None
170	if hasattr(sector,"dxw"):
171	dxw= sector.dxw
172	else:
173	dxw= None
174
175	new_plot = Data1D(x=sector.x,y=sector.y,dy=sector.dy,dxl=dxl,dxw=dxw)
176	new_plot.name = "SectorQ" +"("+ self.base.data2D.name+")"
177
178	new_plot.source=self.base.data2D.source
179	#new_plot.info=self.base.data2D.info
180	new_plot.interactive = True
181	new_plot.detector =self.base.data2D.detector
182	# If the data file does not tell us what the axes are, just assume...
183	new_plot.xaxis("\\rm{Q}", 'A^{-1}')
184	new_plot.yaxis("\\rm{Intensity} ","cm^{-1}")
185	new_plot.group_id = "SectorQ"+self.base.data2D.name
186	new_plot.id = "SectorQ"+self.base.data2D.name
187	new_plot.is_data= True
188	wx.PostEvent(self.base.parent, NewPlotEvent(plot=new_plot,
189	title="SectorQ"+self.base.data2D.name ))
190
191
192
193	def moveend(self, ev):
194	"""
195	Called a dragging motion ends.Get slicer event
196	"""
197	self.base.thaw_axes()
198	## Post parameters
199	event = SlicerParameterEvent()
200	event.type = self.__class__.__name__
201	event.params = self.get_params()
202	## Send slicer paramers to plotter2D
203	wx.PostEvent(self.base, event)
204	self._post_data()
205
206
207	def restore(self):
208	"""
209	Restore the roughness for this layer.
210	"""
211	self.main_line.restore()
212	self.left_line.restore()
213	self.right_line.restore()
214
215	def move(self, x, y, ev):
216	"""
217	Process move to a new position, making sure that the move is allowed.
218	"""
219	pass
220
221
222	def set_cursor(self, x, y):
223	pass
224
225
226	def get_params(self):
227	"""
228	Store a copy of values of parameters of the slicer into a dictionary.
229	@return params: the dictionary created
230	"""
231	params = {}
232	## Always make sure that the left and the right line are at phi
233	## angle of the middle line
234	if math.fabs(self.left_line.phi) != math.fabs(self.right_line.phi):
235	raise ValueError,"Phi left and phi right are different %f, %f"%(self.left_line.phi, self.right_line.phi)
236
237	params["Phi"] = self.main_line.theta
238	params["Delta_Phi"] = math.fabs(self.left_line.phi)
239	params["nbins"] = self.nbins
240	return params
241
242
243	def set_params(self, params):
244	"""
245	Receive a dictionary and reset the slicer with values contained
246	in the values of the dictionary.
247	@param params: a dictionary containing name of slicer parameters and
248	values the user assigned to the slicer.
249	"""
250	main = params["Phi"]
251	phi = math.fabs(params["Delta_Phi"] )
252	self.nbins = int(params["nbins"])
253	self.main_line.theta= main
254	## Reset the slicer parameters
255	self.main_line.update()
256	self.right_line.update( phi=phi,delta=None, mline=self.main_line,
257	side=True, right=True )
258	self.left_line.update( phi=phi, delta=None, mline=self.main_line, side=True )
259	## post the new corresponding data
260	self._post_data(nbins=self.nbins)
261
262
263	def freeze_axes(self):
264	self.base.freeze_axes()
265
266
267	def thaw_axes(self):
268	self.base.thaw_axes()
269
270
271	def draw(self):
272	self.base.draw()
273
274
275	class SideInteractor(_BaseInteractor):
276	"""
277	Draw an oblique line
278	@param phi: the phase between the middle line and one side line
279	@param theta2: the angle between the middle line and x- axis
280	"""
281	def __init__(self,base,axes,color='black', zorder=5, r=1.0,phi=math.pi/4, theta2= math.pi/3):
282
283	_BaseInteractor.__init__(self, base, axes, color=color)
284	## Initialize the class
285	self.markers = []
286	self.axes = axes
287	## compute the value of the angle between the current line and
288	## the x-axis
289	self.save_theta = theta2 + phi
290	self.theta= theta2 + phi
291	## the value of the middle line angle with respect to the x-axis
292	self.theta2 = theta2
293	## Radius to find polar coordinates this line's endpoints
294	self.radius = r
295	## phi is the phase between the current line and the middle line
296	self.phi = phi
297
298	## End points polar coordinates
299	x1= self.radius*math.cos(self.theta)
300	y1= self.radius*math.sin(self.theta)
301	x2= -1self.radiusmath.cos(self.theta)
302	y2= -1self.radiusmath.sin(self.theta)
303	## defining a new marker
304	try:
305	self.inner_marker = self.axes.plot([x1/2.5],[y1/2.5], linestyle='',
306	marker='s', markersize=10,
307	color=self.color, alpha=0.6,
308	pickradius=5, label="pick",
309	zorder=zorder, # Prefer this to other lines
310	visible=True)[0]
311	except:
312	self.inner_marker = self.axes.plot([x1/2.5],[y1/2.5], linestyle='',
313	marker='s', markersize=10,
314	color=self.color, alpha=0.6,
315	label="pick",
316	visible=True)[0]
317	message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n"
318	message += "Get the SVN version that is at least as recent as June 1, 2007"
319	owner=self.base.base.parent
320	wx.PostEvent(owner, StatusEvent(status="sectorSlicer: %s"%message))
321
322	## Defining the current line
323	self.line = self.axes.plot([x1,x2],[y1,y2],
324	linestyle='-', marker='',
325	color=self.color,
326	visible=True)[0]
327	## Flag to differentiate the left line from the right line motion
328	self.left_moving=False
329	## Flag to define a motion
330	self.has_move=False
331	## connecting markers and draw the picture
332	self.connect_markers([self.inner_marker, self.line])
333
334
335	def set_layer(self, n):
336	"""
337	Allow adding plot to the same panel
338	@param n: the number of layer
339	"""
340	self.layernum = n
341	self.update()
342
343	def clear(self):
344	"""
345	Clear the slicer and all connected events related to this slicer
346	"""
347	self.clear_markers()
348	try:
349	self.line.remove()
350	self.inner_marker.remove()
351	except:
352	# Old version of matplotlib
353	for item in range(len(self.axes.lines)):
354	del self.axes.lines[0]
355
356
357	def update(self, phi=None, delta=None, mline=None,
358	side=False, left= False, right=False):
359	"""
360	Draw oblique line
361	@param phi: the phase between the middle line and the current line
362	@param delta: phi/2 applied only when the mline was moved
363	"""
364	#print "update left or right ", self.has_move
365	self.left_moving=left
366	theta3=0
367	if phi !=None:
368	self.phi= phi
369	if delta==None:
370	delta = 0
371
372	if right:
373	self.phi = -1*math.fabs(self.phi)
374	#delta=-delta
375	else:
376	self.phi =math.fabs(self.phi)
377	if side:
378	self.theta= mline.theta + self.phi
379
380	if mline!=None :
381	if delta!=0:
382	self.theta2 = mline+delta
383	else:
384	self.theta2 = mline.theta
385	if delta==0:
386	theta3=self.theta+delta
387	else:
388	theta3=self.theta2+delta
389
390
391	x1= self.radius*math.cos(theta3)
392	y1= self.radius*math.sin(theta3)
393	x2= -1self.radiusmath.cos(theta3)
394	y2= -1self.radiusmath.sin(theta3)
395
396	self.inner_marker.set(xdata=[x1/2.5],ydata=[y1/2.5])
397	self.line.set(xdata=[x1,x2], ydata=[y1,y2])
398
399
400
401
402	def save(self, ev):
403	"""
404	Remember the roughness for this layer and the next so that we
405	can restore on Esc.
406	"""
407	self.save_theta= self.theta
408	self.base.freeze_axes()
409
410	def moveend(self, ev):
411
412	self.has_move=False
413	self.base.moveend(ev)
414
415	def restore(self):
416	"""
417	Restore the roughness for this layer.
418	"""
419	self.theta = self.save_theta
420
421	def move(self, x, y, ev):
422	"""
423	Process move to a new position, making sure that the move is allowed.
424	"""
425
426	self.theta= math.atan2(y,x)
427	self.has_move=True
428	#ToDo: Simplify below
429	if not self.left_moving:
430	if self.theta2-self.theta <= 0 and self.theta2>0:#>= self.theta2:
431	#print "my theta", self.theta
432	self.restore()
433	return
434	elif self.theta2 < 0 and self.theta < 0 and self.theta-self.theta2 >= 0:
435	self.restore()
436	return
437	elif self.theta2 < 0 and self.theta > 0 and self.theta2+2*math.pi-self.theta >=math.pi/2:
438	#print "my theta", self.theta
439	self.restore()
440	return
441	elif self.theta2 < 0 and self.theta < 0 and self.theta2-self.theta >=math.pi/2:
442	#print "my theta", self.theta
443	self.restore()
444	return
445	elif self.theta2>0 and (self.theta2-self.theta >= math.pi/2 or (self.theta2-self.theta >= math.pi/2)):#<= self.theta2 -math.pi/2:
446	#print "self theta encore"
447	self.restore()
448	return
449	else:
450	#print "left move"
451	if self.theta < 0 and self.theta+math.pi*2-self.theta2 <= 0:
452	self.restore()
453	return
454	elif self.theta2 < 0 and self.theta-self.theta2 <= 0:
455	self.restore()
456	return
457	elif self.theta > 0 and self.theta-self.theta2 <=0:
458	#print "my theta", self.theta
459	self.restore()
460	return
461	elif self.theta-self.theta2 >= math.pi/2 or (self.theta+math.pi*2-self.theta2 >= math.pi/2 and self.theta<0 and self.theta2>0):
462	#print "self theta encore"
463	self.restore()
464	return
465
466	self.phi= math.fabs(self.theta2 - self.theta)
467	if self.phi>math.pi:
468	self.phi= 2*math.pi-math.fabs(self.theta2 - self.theta)
469
470	#print "move , self.phi, self.theta,", self.theta180/math.pi,self.theta2180/math.pi,self.phi*180/math.pi
471
472
473
474	self.base.base.update()
475
476	def set_cursor(self, x, y):
477	self.move(x, y, None)
478	self.update()
479
480
481	def get_params(self):
482	params = {}
483	params["radius"] = self.radius
484	params["theta"] = self.theta
485	return params
486
487	def set_params(self, params):
488
489	x = params["radius"]
490	self.set_cursor(x, self._inner_mouse_y)
491
492
493
494	class LineInteractor(_BaseInteractor):
495	"""
496	Select an annulus through a 2D plot
497	"""
498	def __init__(self,base,axes,color='black', zorder=5, r=1.0,theta=math.pi/4):
499
500	_BaseInteractor.__init__(self, base, axes, color=color)
501	self.markers = []
502	self.axes = axes
503
504	self.save_theta = theta
505	self.theta= theta
506
507	self.radius = r
508
509	self.scale = 10.0
510
511	#raise "Version error", message
512
513	# Inner circle
514	x1= self.radius*math.cos(self.theta)
515	y1= self.radius*math.sin(self.theta)
516	x2= -1self.radiusmath.cos(self.theta)
517	y2= -1self.radiusmath.sin(self.theta)
518	try:
519	# Inner circle marker
520	self.inner_marker = self.axes.plot([x1/2.5],[y1/2.5], linestyle='',
521	marker='s', markersize=10,
522	color=self.color, alpha=0.6,
523	pickradius=5, label="pick",
524	zorder=zorder, # Prefer this to other lines
525	visible=True)[0]
526	except:
527	self.inner_marker = self.axes.plot([x1/2.5],[y1/2.5], linestyle='',
528	marker='s', markersize=10,
529	color=self.color, alpha=0.6,
530	label="pick",
531	visible=True)[0]
532	message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n"
533	message += "Get the SVN version that is at least as recent as June 1, 2007"
534
535
536	self.line = self.axes.plot([x1,x2],[y1,y2],
537	linestyle='-', marker='',
538	color=self.color,
539	visible=True)[0]
540
541	self.npts = 20
542	self.has_move=False
543	self.connect_markers([self.inner_marker, self.line])
544	self.update()
545
546	def set_layer(self, n):
547	self.layernum = n
548	self.update()
549
550	def clear(self):
551	self.clear_markers()
552	try:
553	self.inner_marker.remove()
554	self.line.remove()
555	except:
556	# Old version of matplotlib
557	for item in range(len(self.axes.lines)):
558	del self.axes.lines[0]
559
560
561	def update(self, theta=None):
562	"""
563	Draw the new roughness on the graph.
564	"""
565
566	if theta !=None:
567	self.theta= theta
568	x1= self.radius*math.cos(self.theta)
569	y1= self.radius*math.sin(self.theta)
570	x2= -1self.radiusmath.cos(self.theta)
571	y2= -1self.radiusmath.sin(self.theta)
572
573	self.inner_marker.set(xdata=[x1/2.5],ydata=[y1/2.5])
574	self.line.set(xdata=[x1,x2], ydata=[y1,y2])
575
576
577
578	def save(self, ev):
579	"""
580	Remember the roughness for this layer and the next so that we
581	can restore on Esc.
582	"""
583	self.save_theta= self.theta
584	self.base.freeze_axes()
585
586	def moveend(self, ev):
587
588	self.has_move=False
589	self.base.moveend(ev)
590
591	def restore(self):
592	"""
593	Restore the roughness for this layer.
594	"""
595	self.theta = self.save_theta
596
597	def move(self, x, y, ev):
598	"""
599	Process move to a new position, making sure that the move is allowed.
600	"""
601
602	self.theta= math.atan2(y,x)
603	#print "main_line previous theta --- next theta ",math.degrees(self.save_theta),math.degrees(self.theta)
604
605	self.has_move=True
606
607	self.base.base.update()
608
609	def set_cursor(self, x, y):
610	self.move(x, y, None)
611	self.update()
612
613
614	def get_params(self):
615	params = {}
616	params["radius"] = self.radius
617	params["theta"] = self.theta
618	return params
619
620	def set_params(self, params):
621
622	x = params["radius"]
623	self.set_cursor(x, self._inner_mouse_y)
624
625
626

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source: sasview/guiframe/local_perspectives/plotting/SectorSlicer.py @ 8068b52

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