/usr/share/pyshared/PyMca/PyMcaGLWindow.py is in pymca 4.5.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2004-2011 European Synchrotron Radiation Facility
#
# This file is part of the PyMCA X-ray Fluorescence Toolkit developed at
# the ESRF by the Beamline Instrumentation Software Support (BLISS) 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., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307, USA.
#
# PyMCA follows the dual licensing model of Trolltech's Qt and 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.
#############################################################################*/
import Object3D.Object3DScene
import numpy
DEBUG = 0
class SceneGLWindow(Object3D.Object3DScene.Object3DScene):
def _addSelection(self, selectionlist, replot=True):
if DEBUG:
print("addSelection(self, selectionlist)",selectionlist)
if type(selectionlist) == type([]):
sellist = selectionlist
else:
sellist = [selectionlist]
for sel in sellist:
source = sel['SourceName']
key = sel['Key']
legend = sel['legend'] #expected form sourcename + scan key
dataObject = sel['dataobject']
#one-dimensional selections not considered
if dataObject.info["selectiontype"] == "1D":
continue
#there must be something to plot
if not hasattr(dataObject, 'y'):
continue
#there must be an x for a scan selection to reach here
if not hasattr(dataObject, 'x'):
continue
if dataObject.x is None:
numberOfXAxes = 0
else:
numberOfXAxes = len(dataObject.x)
if numberOfXAxes > 1:
if DEBUG:
print("Mesh plots")
else:
xdata = dataObject.x[0]
#we have to loop for all y values
ycounter = -1
for ydata in dataObject.y:
ycounter += 1
ylegend = 'y%d' % ycounter
if sel['selection'] is not None:
if type(sel['selection']) == type({}):
if sel['selection'].has_key('y'):
ilabel = sel['selection']['y'][ycounter]
ylegend = dataObject.info['LabelNames'][ilabel]
object3Dlegend = legend + " " + ylegend
ndata = len(ydata)
object3D = self.addDataObject(dataObject,
legend=object3Dlegend,
update_scene=False)
self.sceneControl.updateView()
self.glWidget.setZoomFactor(self.glWidget.getZoomFactor())
def _removeSelection(self, selectionlist):
if DEBUG:
print("_removeSelection(self, selectionlist)",selectionlist)
if type(selectionlist) == type([]):
sellist = selectionlist
else:
sellist = [selectionlist]
for sel in sellist:
source = sel['SourceName']
key = sel['Key']
legend = sel['legend'] #expected form sourcename + scan key
if sel['selection'].has_key('LabelNames'):
labelNames = sel['selection']['LabelNames']
else:
labelNames = sel['selection']['cntlist']
for ycounter in sel['selection']['y']:
ylegend = labelNames[ycounter]
object3Dlegend = legend + " " + ylegend
self.removeObject(object3Dlegend, update_scene=False)
self.sceneControl.updateView()
self.glWidget.setZoomFactor(self.glWidget.getZoomFactor())
def _replaceSelection(self, selectionlist):
if DEBUG:
print("_replaceSelection(self, selectionlist)",selectionlist)
if type(selectionlist) == type([]):
sellist = selectionlist
else:
sellist = [selectionlist]
self.clear(update_scene=False)
self._addSelection(selectionlist)
def addDataObject(self, dataObject, legend=None, update_scene=True):
if legend is None:
legend = dataObject.info['legend']
if (dataObject.m is None) or (dataObject.m == []):
data = dataObject.y[0]
else:
#I would have to check for the presence of zeros in monitor
data = dataObject.y[0]/dataObject.m[0]
if dataObject.x is None:
if len(data.shape) == 3:
object3D=self.stack(data,
legend=legend,
update_scene=False)
else:
object3D=self.mesh(data,
legend=legend,
update_scene=False)
return object3D
ndata = 1
for dimension in data.shape:
ndata *= dimension
ndim = 1
xDimList = []
for dataset in dataObject.x:
xdim = 1
for dimension in dataset.shape:
xdim *= dimension
xDimList.append(xdim)
ndim *=xdim
if len(dataObject.x) == len(data.shape):
#two possibilities, the product is equal to the dimension
#or not
if ndim == ndata:
if len(data.shape) == 3:
if DEBUG:
print("CASE 1")
if (xDimList[0] != data.shape[0]) or\
(xDimList[1] != data.shape[1]) or\
(xDimList[2] != data.shape[2]):
text = "Wrong dimensions:"
text += " %dx%dx%d != (%d, %d, %d)" % (xDimList[0],
xDimList[1],
xDimList[2],
data.shape[0],
data.shape[1],
data.shape[2])
raise ValueError(text)
object3D = self.stack(data,
x=dataObject.x[0],
y=dataObject.x[1],
z=dataObject.x[2],
legend=legend,
update_scene=update_scene)
elif len(data.shape) == 2:
if DEBUG:
print("CASE 2")
object3D = self.mesh(data,
x=dataObject.x[0],
y=dataObject.x[1],
z=0, #This is 2D
#z=data[:], #This is 3D
legend=legend,
update_scene=update_scene)
elif len(data.shape) == 1:
if DEBUG:
print("CASE 3")
object3D = self.mesh(data,
x=dataObject.x[0],
y=numpy.zeros((1,1), numpy.float32),
z=data[:],
legend=legend,
update_scene=update_scene)
return object3D
elif (len(data.shape) == 3) and (len(xDimList) == 2):
print("WARNING Assuming last dimension")
if DEBUG:
print("CASE 1.1")
if (xDimList[0] != data.shape[0]) or\
(xDimList[1] != data.shape[1]):
text = "Wrong dimensions:"
text += " %dx%d != (%d, %d, %d)" % (xDimList[0],
xDimList[1],
data.shape[0],
data.shape[1],
data.shape[2])
raise ValueError(text)
z = numpy.arange(data.shape[2])
object3D = self.stack(data,
x=dataObject.x[0],
y=dataObject.x[1],
z=z,
legend=legend,
update_scene=update_scene)
return object3D
#I have to assume all the x are of 1 element or of as many elements as data
xyzData = numpy.zeros((ndata, 3), numpy.float32)
values = numpy.zeros((ndata, 1), numpy.float32)
values[:,0] = data
xdataCounter = 0
for xdata in dataObject.x:
ndim = 1
for dimension in xdata.shape:
ndim *= dimension
if ndim == 1:
xyzData[:,xdataCounter] = xdata * numpy.ones(ndata)
else:
xyzData[:,xdataCounter] = xdata
xdataCounter += 1
object3D = Object3D.Object3DScene.Object3DMesh.Object3DMesh(legend)
#if the number of points is reasonable
#I force a surface plot.
if ndata < 200000:
cfg = object3D.setConfiguration({'common':{'mode':3}})
if DEBUG:
print("DEFAULT CASE")
object3D.setData(values, xyz=xyzData)
self.addObject(object3D, legend, update_scene=update_scene)
return object3D
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