1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
|
#/*##########################################################################
# Copyright (C) 2004-2013 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# This toolkit is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# PyMca is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# PyMca; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of Riverbank's PyQt and cannot be
# used as a free plugin for a non-free program.
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#############################################################################*/
__author__ = "V.A. Sole - ESRF Software Group"
import sys
import numpy
import time
from PyMca.PyMca_Icons import IconDict
from PyMca import RGBImageCalculator
qt = RGBImageCalculator.qt
QTVERSION = qt.qVersion()
if QTVERSION > '4.0.0':
from PyMca import RGBCorrelator
try:
from PyMca import FrameBrowser
USE_BROWSER = True
except ImportError:
USE_BROWSER = False
DEBUG = 0
class PyMcaImageWindow(RGBImageCalculator.RGBImageCalculator):
def __init__(self, parent = None,
name = "PyMca Image Window",
correlator = None,
scanwindow=None):
RGBImageCalculator.RGBImageCalculator.__init__(self, parent,
math = False,
replace = True,
scanwindow=scanwindow)
self.setWindowTitle(name)
self.correlator = correlator
self.ownCorrelator = False
#self.mathBox.hide()
self.dataObjectsList = []
self.dataObjectsDict = {}
self._plotEnabled = True
self._externalWidget = None
self.setDefaultColormap(2, logflag=True)
if USE_BROWSER:
self.slider = FrameBrowser.HorizontalSliderWithBrowser(self)
else:
self.slider = qt.QSlider(self)
self.slider.setOrientation(qt.Qt.Horizontal)
self.slider.setRange(0, 0)
self.mainLayout.addWidget(self.slider)
self.connect(self.slider,
qt.SIGNAL("valueChanged(int)"),
self._showImageSliderSlot)
self.slider.hide()
def _connectCorrelator(self):
if QTVERSION > '4.0.0':
if self.correlator is None:
self.ownCorrelator = True
self.correlator = RGBCorrelator.RGBCorrelator()
self.correlator.setWindowTitle("ImageWindow RGB Correlator")
self.connect(self, qt.SIGNAL("addImageClicked"),
self.correlator.addImageSlot)
self.connect(self, qt.SIGNAL("removeImageClicked"),
self.correlator.removeImageSlot)
self.connect(self, qt.SIGNAL("replaceImageClicked"),
self.correlator.replaceImageSlot)
def _addImageClicked(self):
if self.correlator is None:
self._connectCorrelator()
if self._imageData is None:
return
if self._imageData == []:
return
if not RGBImageCalculator.RGBImageCalculator._addImageClicked(self):
#if self.ownCorrelator:
if self.correlator.isHidden():
self.correlator.show()
def setDispatcher(self, w):
if QTVERSION < '4.0.0':
self.connect(w, qt.PYSIGNAL("addSelection"),
self._addSelection)
self.connect(w, qt.PYSIGNAL("removeSelection"),
self._removeSelection)
self.connect(w, qt.PYSIGNAL("replaceSelection"),
self._replaceSelection)
else:
self.connect(w, qt.SIGNAL("addSelection"),
self._addSelection)
self.connect(w, qt.SIGNAL("removeSelection"),
self._removeSelection)
self.connect(w, qt.SIGNAL("replaceSelection"),
self._replaceSelection)
def _addSelection(self, selectionlist):
if DEBUG:
print("_addSelection(self, selectionlist)",selectionlist)
if type(selectionlist) == type([]):
sellist = selectionlist
else:
sellist = [selectionlist]
for sel in sellist:
self._xScale = None
self._yScale = None
source = sel['SourceName']
key = sel['Key']
legend = sel['legend'] #expected form sourcename + scan key
#if not "scanselection" in sel: continue
#if not sel["scanselection"]:continue
#if len(key.split(".")) > 2: continue
dataObject = sel['dataobject']
#only two-dimensional selections considered
if dataObject.info.get("selectiontype", "1D") != "2D":
continue
if dataObject.data is None:
if hasattr(dataObject, "y"):
if dataObject.y is not None:
dataObject.data = dataObject.y[0]
data0 = dataObject.y[0]
if len(data0.shape) == 1:
#we have to figure out the shape ...
if hasattr(dataObject, "x"):
if len(dataObject.x) == 2:
x0 = dataObject.x[0][:]
x0.shape = -1
x1 = dataObject.x[1][:]
x1.shape = -1
if abs(x0[1] - x0[0]) < 1.0e-6:
nColumns = numpy.argmin(abs(x0-x0[0]) < 1.0e-6)
nRows = x1.size / nColumns
if nRows!= int(nRows):
raise ValueError("2D Selection not understood")
transpose = False
self._yScale = x0[0], x0[-1]
self._xScale = x1[0], x1[-1]
elif abs(x1[1] - x1[0]) < 1.0e-6:
nRows = numpy.argmin(abs(x1-x1[0]) < 1.0e-6)
nColumns = x0.size / nRows
if nColumns != int(nColumns):
raise ValueError("2D Selection not understood")
transpose = True
self._xScale = x0[0], x0[-1]
self._yScale = x1[0], x1[-1]
else:
raise TypeError("2D Selection is not a regular mesh")
dataObject.data = numpy.zeros((len(dataObject.y),
int(nRows),
int(nColumns)),
data0.dtype)
for yIndex in range(len(dataObject.y)):
if transpose:
tmpData = numpy.transpose(dataObject.y[yIndex])[:]
else:
tmpData = dataObject.y[yIndex][:]
tmpData.shape = nRows, nColumns
dataObject.data[yIndex] = tmpData
else:
print("Nothing to plot")
self.dataObjectsList = [legend]
self.dataObjectsDict = {legend:dataObject}
shape = dataObject.data.shape
if len(shape) == 2:
self._nImages = 1
self._imageData = dataObject.data
if hasattr(dataObject, 'm'):
if dataObject.m is not None:
for m in dataObject.m:
if hasattr(m, "size"):
if m.size == self._imageData.size:
tmpView = m[:]
tmpView.shape = shape
self._imageData = self._imageData / tmpView.astype(numpy.float)
else:
#let numpy raise the appropriate error
self._imageData = self._imageData / numpy.float(m)
else:
self._imageData = self._imageData / numpy.float(m)
self.slider.hide()
self.setName(legend)
else:
self._nImages = 1
for dimension in dataObject.data.shape[:-2]:
self._nImages *= dimension
#This is a problem for dynamic data
#dataObject.data.shape = self._nImages, shape[-2], shape[-1]
self._imageData = self._getImageDataFromSingleIndex(0)
self.slider.setRange(0, self._nImages - 1)
self.slider.setValue(0)
self.slider.show()
self.setName(legend+" 0")
if self._plotEnabled:
self.plotImage(True)
def _getImageDataFromSingleIndex(self, index):
legend = self.dataObjectsList[0]
dataObject = self.dataObjectsDict[legend]
shape = dataObject.data.shape
if len(shape) == 2:
if index > 0:
raise IndexError("Only one image in stack")
data = dataObject.data
if hasattr(dataObject, 'm'):
if dataObject.m is not None:
#is a list
for m in dataObject.m:
data = data / numpy.float(m)
return data
if len(shape) == 3:
data = dataObject.data[index:index+1,:,:]
data.shape = data.shape[1:]
if hasattr(dataObject, 'm'):
if dataObject.m is not None:
for m in dataObject.m:
if hasattr(m, "size"):
if m.size == data.size:
tmpView = m[:]
tmpView.shape = data.shape
data = data / tmpView.astype(numpy.float)
else:
data = data / numpy.float(m)
else:
data = data / numpy.float(m)
return data
#I have to deduce the appropriate indices from the given index
#always assuming C order
acquisitionShape = dataObject.data.shape[:-2]
if len(shape) == 4:
j = index % acquisitionShape[-1]
i = int(index/(acquisitionShape[-1]*acquisitionShape[-2]))
data = dataObject.data[i, j]
if hasattr(dataObject, 'm'):
if dataObject.m is not None:
for m in dataObject.m:
if hasattr(m, "size"):
if m.size == data.size:
tmpView = m[:]
tmpView.shape = data.shape
data = data / tmpView.astype(numpy.float)
else:
data = data / numpy.float(m)
else:
data = data / numpy.float(m)
return data
raise IndexError("Unhandled dimension")
def setPlotEnabled(self, value=True):
self._plotEnabled = value
if value:
if self._imageData is not None:
self.plotImage(True)
else:
self.graphWidget.graph.clear()
pass
def _removeSelection(self, selectionlist):
if DEBUG:
print("_removeSelection(self, selectionlist)",selectionlist)
if type(selectionlist) == type([]):
sellist = selectionlist
else:
sellist = [selectionlist]
for sel in sellist:
legend = sel['legend']
if legend in self.dataObjectsList:
self.dataObjectsList = []
if legend in self.dataObjectsDict.keys():
self.dataObjectsDict = {}
#For the time being I prefer to leave the last image plotted
#self._imageData = 0 * self._imageData
#self.plotImage(True)
def _replaceSelection(self, selectionlist):
if DEBUG:
print("_replaceSelection(self, selectionlist)",selectionlist)
current = self.slider.value()
self._addSelection(selectionlist)
if current < self._nImages:
self.showImage(current, moveslider=False)
else:
self.showImage(0, moveslider=True)
def closeEvent(self, event):
if self.ownCorrelator:
self.correlator.close()
RGBImageCalculator.RGBImageCalculator.closeEvent(self, event)
def _showImageSliderSlot(self, index):
self.showImage(index, moveslider=False)
def showImage(self, index=0, moveslider=True):
legend = self.dataObjectsList[0]
dataObject = self.dataObjectsDict[legend]
self._imageData = self._getImageDataFromSingleIndex(index)
self.plotImage(True)
txt = "%s %d" % (legend, index)
self.setName(txt)
if moveslider:
self.slider.setValue(index)
def plotImage(self, update=True):
self.graphWidget.setImageData(self._imageData, xScale=self._xScale, yScale=self._yScale)
return self.graphWidget.plotImage(update=update)
class TimerLoop:
def __init__(self, function = None, period = 1000):
self.__timer = qt.QTimer()
if function is None: function = self.test
self._function = function
self.__setThread(function, period)
#self._function = function
def __setThread(self, function, period):
self.__timer = qt.QTimer()
qt.QObject.connect(self.__timer,
qt.SIGNAL("timeout()"),
function)
self.__timer.start(period)
def test(self):
print("Test function called")
if __name__ == "__main__":
from PyMca import DataObject
import weakref
import time
def buildDataObject(arrayData):
dataObject = DataObject.DataObject()
dataObject.data = arrayData
dataObject.info['selectiontype'] = "2D"
dataObject.info['Key'] = id(dataObject)
return dataObject
def buildSelection(dataObject, name = "image_data0"):
key = dataObject.info['Key']
def dataObjectDestroyed(ref, dataObjectKey=key):
if DEBUG:
print("dataObject distroyed key = %s" % key)
dataObjectRef=weakref.proxy(dataObject, dataObjectDestroyed)
selection = {}
selection['SourceType'] = 'SPS'
selection['SourceName'] = 'spec'
selection['Key'] = name
selection['legend'] = selection['SourceName'] + " "+ name
selection['imageselection'] = True
selection['dataobject'] = dataObjectRef
return selection
a = 1000
b = 1000
period = 1000
x1 = numpy.arange(a * b).astype(numpy.float)
x1.shape= [a, b]
x2 = numpy.transpose(x1)
app = qt.QApplication([])
qt.QObject.connect(app, qt.SIGNAL("lastWindowClosed()"),
app,qt.SLOT("quit()"))
if len(sys.argv) > 1:PYMCA=True
else:PYMCA = False
if PYMCA:
from PyMca import PyMcaMain
w = PyMcaMain.PyMca()
w.show()
else:
w = PyMcaImageWindow()
w.show()
counter = 0
def function(period = period):
global counter
flag = counter % 6
if flag == 0:
#add x1
print("Adding X1")
dataObject = buildDataObject(x1)
selection = buildSelection(dataObject, 'X1')
if PYMCA:
w.dispatcherAddSelectionSlot(selection)
else:
w._addSelection(selection)
elif flag == 1:
#add x2
print("Adding X2")
dataObject = buildDataObject(x2)
selection = buildSelection(dataObject, 'X2')
if PYMCA:
w.dispatcherAddSelectionSlot(selection)
else:
w._addSelection(selection)
elif flag == 2:
#add x1
print("Changing X1")
dataObject = buildDataObject(x2)
selection = buildSelection(dataObject, 'X1')
if PYMCA:
w.dispatcherAddSelectionSlot(selection)
else:
w._addSelection(selection)
elif flag == 1:
#add x2
print("Changing X2")
dataObject = buildDataObject(x2)
selection = buildSelection(dataObject, 'X1')
if PYMCA:
w.dispatcherAddSelectionSlot(selection)
else:
w._addSelection(selection)
elif flag == 4:
#replace x1
print("Replacing by new X1")
dataObject = buildDataObject(x1-x2)
selection = buildSelection(dataObject, 'X1')
if PYMCA:
w.dispatcherReplaceSelectionSlot(selection)
else:
w._replaceSelection(selection)
else:
#replace by x2
print("Replacing by new X2")
dataObject = buildDataObject(x2-x1)
selection = buildSelection(dataObject, 'X2')
if PYMCA:
w.dispatcherReplaceSelectionSlot(selection)
else:
w._replaceSelection(selection)
counter += 1
loop = TimerLoop(function = function, period = period)
if QTVERSION < '4.0.0':
app.exec_loop()
else:
sys.exit(app.exec_())
|
