/usr/share/pyshared/PyMca/PyMcaPlugins/BackgroundStackPlugin.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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A Stack plugin is a module that will be automatically added to the PyMca stack windows
in order to perform user defined operations on the data stack.
These plugins will be compatible with any stack window that provides the functions:
#data related
getStackDataObject
getStackData
getStackInfo
setStack
#images related
addImage
removeImage
replaceImage
#mask related
setSelectionMask
getSelectionMask
#displayed curves
getActiveCurve
getGraphXLimits
getGraphYLimits
#information method
stackUpdated
selectionMaskUpdated
"""
try:
import StackPluginBase
except ImportError:
from . import StackPluginBase
try:
from PyMca import SGWindow
from PyMca import SNIPWindow
import PyMca.PyMca_Icons as PyMca_Icons
except ImportError:
print("Plugin importing from somewhere else")
import SGWindow
import SNIPWindow
import PyMca_Icons
DEBUG = 0
class BackgroundStackPlugin(StackPluginBase.StackPluginBase):
def __init__(self, stackWindow, **kw):
StackPluginBase.DEBUG = DEBUG
StackPluginBase.StackPluginBase.__init__(self, stackWindow, **kw)
SGtext = "Replace current stack by a\n"
SGtext += "Savitsky-Golay treated one."
SNIP1Dtext = "Replace current stack by a\n"
SNIP1Dtext += "SNIP1D treated one."
SNIP2Dtext = "Replace current stack by a\n"
SNIP2Dtext += "SNIP2D treated one."
self.methodDict = {}
function = self.replaceStackWithSavitzkyGolayFiltering
info = SGtext
icon = PyMca_Icons.substract
self.methodDict["Savitzky-Golay Filtering"] =[function,
info,
icon]
function = self.subtract1DSnipBackground
info = SNIP1Dtext
self.methodDict["Subtract SNIP 1D Background"] =[function,
info,
icon]
function = self.replaceWith1DSnipBackground
info = "Smooth and replace current stack\n"
info += "by its SNIP1D background."
self.methodDict["Deglitch with SNIP 1D Background"] =[function,
info,
PyMca_Icons.smooth]
function = self.subtract2DSnipBackground
info = SNIP2Dtext
self.methodDict["Subtract SNIP 2D Background"] =[function,
info,
icon]
self.__methodKeys = ["Savitzky-Golay Filtering",
"Deglitch with SNIP 1D Background",
"Subtract SNIP 1D Background",
"Subtract SNIP 2D Background"]
def stackUpdated(self):
self.dialogWidget = None
#Methods implemented by the plugin
def getMethods(self):
return self.__methodKeys
def getMethodToolTip(self, name):
return self.methodDict[name][1]
def getMethodPixmap(self, name):
return self.methodDict[name][2]
def applyMethod(self, name):
return self.methodDict[name][0]()
def replaceStackWithSavitzkyGolayFiltering(self):
activeCurve = self.getActiveCurve()
if activeCurve is None:
return
x, spectrum, legend, info = activeCurve
snipWindow = SGWindow.SGDialog(None,
spectrum, x=x)
snipWindow.graph.setGraphXTitle(info['xlabel'])
snipWindow.graph.setGraphYTitle(info['ylabel'])
#snipWindow.setModal(True)
snipWindow.show()
ret = snipWindow.exec_()
if ret:
snipParametersDict = snipWindow.getParameters()
snipWindow.close()
function = snipParametersDict['function']
arguments = snipParametersDict['arguments']
stack = self.getStackDataObject()
function(stack, *arguments)
self.setStack(stack)
def subtract1DSnipBackground(self, smooth=False):
activeCurve = self.getActiveCurve()
if activeCurve is None:
return
x, spectrum, legend, info = activeCurve
snipWindow = SNIPWindow.SNIPDialog(None,
spectrum, x=x, smooth=smooth)
snipWindow.graph.setGraphXTitle(info['xlabel'])
snipWindow.graph.setGraphYTitle(info['ylabel'])
#snipWindow.setModal(True)
snipWindow.show()
ret = snipWindow.exec_()
if ret:
snipParametersDict = snipWindow.getParameters()
snipWindow.close()
function = snipParametersDict['function']
arguments = snipParametersDict['arguments']
stack = self.getStackDataObject()
function(stack, *arguments)
self.setStack(stack)
def replaceWith1DSnipBackground(self):
return self.subtract1DSnipBackground(smooth=True)
def subtract2DSnipBackground(self):
imageList = self.getStackROIImagesAndNames()
if imageList is None:
return
imageList, imageNames = imageList
if not len(imageList):
return
snipWindow = SNIPWindow.SNIPDialog(None,
imageList[0]*1)
#snipWindow.setModal(True)
snipWindow.show()
ret = snipWindow.exec_()
if ret:
snipParametersDict = snipWindow.getParameters()
snipWindow.close()
function = snipParametersDict['function']
arguments = snipParametersDict['arguments']
stack = self.getStackDataObject()
function(stack, *arguments)
self.setStack(stack)
MENU_TEXT = "Stack Filtering Options"
def getStackPluginInstance(stackWindow, **kw):
ob = BackgroundStackPlugin(stackWindow)
return ob
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