diff --git a/processing/post/vtk_addVoxelgridData.py b/processing/post/vtk_addVoxelgridData.py new file mode 100755 index 000000000..582c8260a --- /dev/null +++ b/processing/post/vtk_addVoxelgridData.py @@ -0,0 +1,162 @@ +#!/usr/bin/env python +# -*- coding: UTF-8 no BOM -*- + +import os,sys,string,re,numpy,vtk +import damask +from collections import defaultdict +from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP + +scriptID = '$Id: vtk_addVoxelcloudData.py 3064 2014-04-03 01:00:00Z p.eisenlohr $' +scriptName = scriptID.split()[1] + +#-------------------------------------------------------------------------------------------------- +class extendedOption(Option): +#-------------------------------------------------------------------------------------------------- +# used for definition of new option parser action 'extend', which enables to take multiple option arguments +# taken from online tutorial http://docs.python.org/library/optparse.html + + ACTIONS = Option.ACTIONS + ("extend",) + STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",) + TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",) + ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",) + + def take_action(self, action, dest, opt, value, values, parser): + if action == "extend": + lvalue = value.split(",") + values.ensure_value(dest, []).extend(lvalue) + else: + Option.take_action(self, action, dest, opt, value, values, parser) + + +parser = OptionParser(option_class=extendedOption, usage='%prog options [file[s]]', description = """ +Add scalar and RGB tuples from ASCIItable to existing VTK voxel grid (.vtr). +""" + string.replace(scriptID,'\n','\\n') +) + +parser.add_option('-v', '--vtk', dest='vtk', type='string', + help = 'VTK file name') +parser.add_option('-s', '--scalar', dest='scalar', action='extend', + help = 'scalar values') +parser.add_option('-c', '--color', dest='color', action='extend', + help = 'RGB color tuples') + +parser.set_defaults(scalar = []) +parser.set_defaults(color = []) + +(options, filenames) = parser.parse_args() + +datainfo = { # list of requested labels per datatype + 'scalar': {'len':1, + 'label':[]}, + 'color': {'len':3, + 'label':[]}, + } + +if options.vtk == None or not os.path.exists(options.vtk): + parser.error('VTK file does not exist') + +if os.path.splitext(options.vtk)[1] == '.vtr': + reader = vtk.vtkXMLRectilinearGridReader() + reader.SetFileName(options.vtk) + reader.Update() + rGrid = reader.GetOutput() +elif os.path.splitext(options.vtk)[1] == '.vtk': + reader = vtk.vtkGenericDataObjectReader() + reader.SetFileName(options.vtk) + reader.Update() + rGrid = reader.GetRectiliearGridOutput() +else: + parser.error('unsupported VTK file type extension') + + +Npoints = rGrid.GetNumberOfPoints() +Ncells = rGrid.GetNumberOfCells() + +#if Npoints != Ncells or Npoints != Nvertices: +# parser.error('Number of points, cells, and vertices in VTK differ from each other'); sys.exit() +if options.scalar != None: datainfo['scalar']['label'] += options.scalar +if options.color != None: datainfo['color']['label'] += options.color + +# ------------------------------------------ setup file handles --------------------------------------- + +files = [] +if filenames == []: + files.append({'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout, 'croak':sys.stderr}) +else: + for name in filenames: + if os.path.exists(name): + files.append({'name':name, 'input':open(name), 'output':sys.stderr, 'croak':sys.stderr}) + +#--- loop over input files ------------------------------------------------------------------------ +for file in files: + if file['name'] != 'STDIN': file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n') + else: file['croak'].write('\033[1m'+scriptName+'\033[0m\n') + + table = damask.ASCIItable(file['input'],file['output'],False) # make unbuffered ASCII_table + table.head_read() # read ASCII header info + +# --------------- figure out columns to process + active = defaultdict(list) + column = defaultdict(dict) + array = defaultdict(dict) + + for datatype,info in datainfo.items(): + for label in info['label']: + foundIt = False + for key in ['1_'+label,label]: + if key in table.labels: + foundIt = True + active[datatype].append(label) + column[datatype][label] = table.labels.index(key) # remember columns of requested data + if datatype == 'scalar': + array[datatype][label] = vtk.vtkDoubleArray() + array[datatype][label].SetNumberOfComponents(1) + array[datatype][label].SetName(label) + elif datatype == 'color': + array[datatype][label] = vtk.vtkUnsignedCharArray() + array[datatype][label].SetNumberOfComponents(3) + array[datatype][label].SetName(label) + if not foundIt: + file['croak'].write('column %s not found...\n'%label) + +# ------------------------------------------ process data --------------------------------------- + + while table.data_read(): # read next data line of ASCII table + + for datatype,labels in active.items(): # loop over scalar,color + for label in labels: # loop over all requested items + theData = table.data[column[datatype][label]:\ + column[datatype][label]+datainfo[datatype]['len']] # read strings + if datatype == 'color': + theData = map(lambda x: int(255.*float(x)),theData) + array[datatype][label].InsertNextTuple3(theData[0],theData[1],theData[2],) + elif datatype == 'scalar': + array[datatype][label].InsertNextValue(float(theData[0])) + + file['input'].close() # close input ASCII table + +# ------------------------------------------ add data --------------------------------------- + + for datatype,labels in active.items(): # loop over scalar,color + if datatype == 'color': +# Polydata.GetPointData().SetScalars(array[datatype][labels[0]]) + rGrid.GetCellData().SetScalars(array[datatype][labels[0]]) + for label in labels: # loop over all requested items +# Polydata.GetPointData().AddArray(array[datatype][label]) + rGrid.GetCellData().AddArray(array[datatype][label]) + + rGrid.Modified() + if vtk.VTK_MAJOR_VERSION <= 5: + rGrid.Update() + +# ------------------------------------------ output result --------------------------------------- + +writer = vtk.vtkXMLRectilinearGridWriter() +writer.SetDataModeToBinary() +writer.SetCompressorTypeToZLib() +writer.SetFileName(os.path.splitext(options.vtk)[0]+'_added.vtr') +if vtk.VTK_MAJOR_VERSION <= 5: + writer.SetInput(rGrid) +else: + writer.SetInputData(rGrid) +writer.Write()