parsing options and file handling for perceptually linear diverging and sequential colormaps
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Mahesh Balasubramaniam
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e51779579e
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#!/usr/bin/env python
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import math, string, sys, os
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from damask import Color,Colormap
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from optparse import OptionParser, Option
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# -----------------------------
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class extendableOption(Option):
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# -----------------------------
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# used for definition of new option parser action 'extend', which enables to take multiple option arguments
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# taken from online tutorial http://docs.python.org/library/optparse.html
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ACTIONS = Option.ACTIONS + ("extend",)
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STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
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TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
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ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
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def take_action(self, action, dest, opt, value, values, parser):
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if action == "extend":
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lvalue = value.split(",")
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values.ensure_value(dest, []).extend(lvalue)
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else:
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Option.take_action(self, action, dest, opt, value, values, parser)
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=extendableOption, usage='%prog options [file[s]]', description = """
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Add column(s) containing Cauchy stress based on given column(s) of
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deformation gradient and first Piola--Kirchhoff stress.
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""" + string.replace('$Id$','\n','\\n')
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)
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parser.add_option('-l','--left', dest='left', type='float', nargs=3, \
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help='left color [%default]')
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parser.add_option('-r','--right', dest='right', type='float', nargs=3, \
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help='right color [%default]')
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parser.add_option('-c','--colormodel', dest='colormodel', \
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help='colormodel of left and right "RGB","HSL","XYZ","CIELAB","MSH" [%default]')
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parser.add_option('-f','--format', dest='format', action='extend', \
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help='output file format "paraview","gmsh","raw" [%default]')
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parser.add_option('-s','--steps', dest='steps', type='int', nargs = 1, \
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help='no of interpolation steps [%default]')
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parser.add_option('-t','--trim', dest='trim', type='float', nargs = 2, \
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help='trim the colormap w.r.t the given values [%default]')
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parser.set_defaults(colormodel = 'RGB')
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parser.set_defaults(format = [''])
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parser.set_defaults(steps = 10)
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parser.set_defaults(trim = [-1.0,1.0])
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parser.set_defaults(left = [1.0,1.0,1.0])
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parser.set_defaults(right = [0.0,0.0,0.0])
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(options,filenames) = parser.parse_args()
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outtypes = ['paraview','gmsh','raw']
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extensions = ['.xml','.msh','.txt']
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if options.trim[0]< -1.0 or \
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options.trim[1] > 1.0 or \
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options.trim[0]>= options.trim[1]:
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print 'invalid trim range'
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options.trim = [-1.0,1.0]
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# ------------------------------------------ setup file handles ---------------------------------------
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files = []
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if filenames == [] and options.format == ['']:
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files.append({'outtype':'paraview','output':sys.stdout,'name':'colormap'})
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if (len(options.format) == (len(filenames)+1)) and (len(options.format) > 1):
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for i in xrange(1,len(options.format)):
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[basename,myExtension] = os.path.splitext(os.path.basename(filenames[i-1]))
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if options.format[i] in outtypes:
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myExtension = extensions[outtypes.index(options.format[i])]
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myType = outtypes[extensions.index(myExtension)]
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elif myExtension in extensions:
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myType = outtypes[extensions.index(myExtension)]
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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if (len(options.format) > (len(filenames)+1)):
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if (len(filenames) == 1) :
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[basename,myExtension] = os.path.splitext(os.path.basename(filenames[0]))
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for i in xrange(1,len(options.format)):
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if options.format[i] in outtypes:
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myExtension = extensions[outtypes.index(options.format[i])]
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myType = outtypes[extensions.index(myExtension)]
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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elif len(filenames) == 0:
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for i in xrange(1,len(options.format)):
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if options.format[i] in outtypes:
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myExtension = extensions[outtypes.index(options.format[i])]
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myType = outtypes[extensions.index(myExtension)]
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basename = myType
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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basename = myType
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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elif len(filenames) > 1:
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for i in xrange(len(filenames)):
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[basename,myExtension] = os.path.splitext(os.path.basename(filenames[i]))
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if options.format[i+1] in outtypes:
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myExtension = extensions[outtypes.index(options.format[i+1])]
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myType = outtypes[extensions.index(myExtension)]
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elif myExtension in extensions:
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myType = outtypes[extensions.index(myExtension)]
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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for i in xrange(len(filenames)+1,len(options.format)):
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if options.format[i] in outtypes:
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myExtension = extensions[outtypes.index(options.format[i])]
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myType = outtypes[extensions.index(myExtension)]
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basename = myType
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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basename = myType
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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if (len(options.format) < (len(filenames)+1)) and (options.format!=['']):
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for i in xrange(1,len(options.format)):
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[basename,myExtension] = os.path.splitext(os.path.basename(filenames[i-1]))
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if options.format[i] in outtypes:
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myExtension = extensions[outtypes.index(options.format[i])]
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myType = outtypes[extensions.index(myExtension)]
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elif (options.format[i] not in outtypes) and (myExtension in extensions):
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myType = outtypes[extensions.index(myExtension)]
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType}) # files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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for i in xrange((len(options.format)-1),len(filenames)):
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[basename,myExtension] = os.path.splitext(os.path.basename(filenames[i]))
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if myExtension.lower() in extensions:
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myType = outtypes[extensions.index(myExtension)]
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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elif (len(filenames)> 0) and (options.format == ['']):
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for [i,name] in enumerate(filenames):
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[basename,myExtension] = os.path.splitext(os.path.basename(name))
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if myExtension.lower() in extensions:
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myType = outtypes[extensions.index(myExtension)]
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else:
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myType = 'paraview'
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myExtension = extensions[outtypes.index(myType)]
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files.append({'name':basename, 'output':open(basename+myExtension,'w'), 'outtype': myType})
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leftColor = Color(options.colormodel.upper(),list(options.left))
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rightColor = Color(options.colormodel.upper(),list(options.right))
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myColormap = Colormap(leftColor,rightColor)
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for file in files:
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outColormap = myColormap.export(file['name'],file['outtype'],options.steps,list(options.trim))
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file['output'].write(outColormap)
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file['output'].close()
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