/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MultipleScanToMeshPlugin.py is in pymca 4.7.1+dfsg-2.
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# Copyright (C) 2004-2012 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__ = "Mauro Rovezzi - ID26, V.A. Sole - ESRF Data Analysis"
import sys
import os
import numpy
from matplotlib.mlab import griddata
from PyMca import Plugin1DBase
from PyMca import MaskImageWidget
from PyMca import PyMcaQt as qt
DEBUG = 0
class MultipleScanToMeshPlugin(Plugin1DBase.Plugin1DBase):
def __init__(self, plotWindow, **kw):
Plugin1DBase.Plugin1DBase.__init__(self, plotWindow, **kw)
self.methodDict = {}
self.methodDict['Show RIXS Image'] = [self._rixsID26,
"Show curves as RIXS image",
None]
self._rixsWidget = None
#Methods to be implemented by the plugin
def getMethods(self, plottype=None):
"""
A list with the NAMES associated to the callable methods
that are applicable to the specified plot.
Plot type can be "SCAN", "MCA", None, ...
"""
names = list(self.methodDict.keys())
names.sort()
return names
def getMethodToolTip(self, name):
"""
Returns the help associated to the particular method name or None.
"""
return self.methodDict[name][1]
def getMethodPixmap(self, name):
"""
Returns the pixmap associated to the particular method name or None.
"""
return self.methodDict[name][2]
def applyMethod(self, name):
"""
The plugin is asked to apply the method associated to name.
"""
if DEBUG:
self.methodDict[name][0]()
else:
try:
self.methodDict[name][0]()
except:
print(sys.exc_info())
raise
def _rixsID26(self):
allCurves = self.getAllCurves()
nCurves = len(allCurves)
if nCurves < 2:
msg = "ID26 RIXS scans are built combining several single scans"
raise ValueError(msg)
self._xLabel = self.getGraphXTitle()
self._yLabel = self.getGraphYTitle()
if self._xLabel not in ["Spec.Energy", "arr_hdh_ene", "Mono.Energy"]:
msg = "X axis does not correspond to an ID26 RIXS scan"
raise ValueError(msg)
if self._xLabel == "Spec.Energy":
fixedMotorMne = "Mono.Energy"
else:
fixedMotorMne = "Spec.Energy"
fixedMotorIndex = allCurves[0][3]["MotorNames"].index(fixedMotorMne)
#get the min and max values of the curves
if fixedMotorMne == "Mono.Energy":
info = allCurves[0][3]
xMin = info["MotorValues"][fixedMotorIndex]
xMax = xMin
nData = 0
i = 0
minValues = numpy.zeros((nCurves,), numpy.float64)
for curve in allCurves:
info = curve[3]
tmpMin = info['MotorValues'][fixedMotorIndex]
tmpMax = info['MotorValues'][fixedMotorIndex]
minValues[i] = tmpMin
if tmpMin < xMin:
xMin = tmpMin
if tmpMax > xMax:
xMax =tmpMax
nData += len(curve[0])
i += 1
else:
xMin = allCurves[0][0][0] # ID26 data are already ordered
xMax = allCurves[0][0][-1]
minValues = numpy.zeros((nCurves,), numpy.float64)
minValues[0] = xMin
nData = len(allCurves[0][0])
i = 0
for curve in allCurves[1:]:
i += 1
tmpMin = curve[0][0]
tmpMax = curve[0][-1]
minValues[i] = tmpMin
if tmpMin < xMin:
xMin = tmpMin
if tmpMax > xMax:
xMax =tmpMax
nData += len(curve[0])
#sort the curves
orderIndex = minValues.argsort()
#print "ORDER INDEX = ", orderIndex
# express data in eV
if (xMax - xMin) < 5.0 :
# it seems data need to be multiplied
factor = 1000.
else:
factor = 1.0
motor2Values = numpy.zeros((nCurves,), numpy.float64)
xData = numpy.zeros((nData,), numpy.float32)
yData = numpy.zeros((nData,), numpy.float32)
zData = numpy.zeros((nData,), numpy.float32)
start = 0
for i in range(nCurves):
idx = orderIndex[i]
curve = allCurves[idx]
info = curve[3]
nPoints = max(curve[0].shape)
end = start + nPoints
x = curve[0]
z = curve[1]
x.shape = -1
z.shape = -1
if fixedMotorMne == "Mono.Energy":
xData[start:end] = info["MotorValues"][fixedMotorIndex] * factor
yData[start:end] = x * factor
else:
xData[start:end] = x * factor
yData[start:end] = info["MotorValues"][fixedMotorIndex] * factor
zData[start:end] = z
start = end
# construct the grid in steps of eStep eV
eStep = 0.05
n = (xMax - xMin) * (factor / eStep)
grid0 = numpy.linspace(xMin * factor, xMax * factor, n)
grid1 = numpy.linspace(yData.min(), yData.max(), n)
# create the meshgrid
xx, yy = numpy.meshgrid(grid0, grid1)
# get the interpolated values
zz = griddata(xData, yData, zData, xx, yy)
if 0:
# show them
if self._rixsWidget is None:
self._rixsWidget = MaskImageWidget.MaskImageWidget(\
imageicons=False,
selection=False,
profileselection=True,
scanwindow=self)
self._rixsWidget.setImageData(zz,
xScale=(xx.min(), xx.max()),
yScale=(yy.min(), yy.max()))
self._rixsWidget.show()
elif 1:
etData = xData - yData
grid3 = numpy.linspace(etData.min(), etData.max(), n)
# create the meshgrid
xx, yy = numpy.meshgrid(grid0, grid3)
# get the interpolated values
zz = griddata(xData, etData, zData, xx, yy)
if self._rixsWidget is None:
self._rixsWidget = MaskImageWidget.MaskImageWidget(\
imageicons=False,
selection=False,
profileselection=True,
scanwindow=self)
self._rixsWidget.setLineProjectionMode('X')
#actualMax = zData.max()
#actualMin = zData.min()
#zz = numpy.where(numpy.isfinite(zz), zz, actualMax)
self._rixsWidget.setImageData(zz,
xScale=(xx.min(), xx.max()),
yScale=(yy.min(), yy.max()))
self._rixsWidget.setXLabel("Incident Energy (eV)")
self._rixsWidget.setYLabel("Energy Transfer (eV)")
self._rixsWidget.show()
return
MENU_TEXT = "MultipleScanToMeshPlugin"
def getPlugin1DInstance(plotWindow, **kw):
ob = MultipleScanToMeshPlugin(plotWindow)
return ob
if __name__ == "__main__":
from PyMca import Plot1D
app = qt.QApplication([])
#w = ConfigurationWidget()
#w.exec_()
#sys.exit(0)
DEBUG = 1
x = numpy.arange(100.)
y = x * x
plot = Plot1D.Plot1D()
plot.addCurve(x, y, "dummy")
plot.addCurve(x+100, -x*x)
plugin = getPlugin1DInstance(plot)
for method in plugin.getMethods():
print(method, ":", plugin.getMethodToolTip(method))
plugin.applyMethod(plugin.getMethods()[1])
curves = plugin.getAllCurves()
for curve in curves:
print(curve[2])
print("LIMITS = ", plugin.getGraphYLimits())
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