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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkmeshvectorfromcomponents.py,v $
## Language: Python
## Date: $Date: 2005/09/14 09:49:59 $
## Version: $Revision: 1.6 $
## Copyright (c) Luca Antiga, David Steinman. All rights reserved.
## See LICENCE file for details.
## This software is distributed WITHOUT ANY WARRANTY; without even
## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
## PURPOSE. See the above copyright notices for more information.
import vtk
import sys
import pypes
vmtkmeshvectorfromcomponents = 'vmtkMeshVectorFromComponents'
class vmtkMeshVectorFromComponents(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Mesh = None
self.VectorArrayName = None
self.ComponentsArrayNames = None
self.RemoveComponentArrays = False
self.SetScriptName('vmtkmeshvectorfromcomponents')
self.SetScriptDoc('scale a mesh by an isotropic factor')
self.SetInputMembers([
['Mesh','i','vtkUnstructuredGrid',1,'','the input mesh','vmtkmeshreader'],
['VectorArrayName','vector','str',1,'',''],
['ComponentsArrayNames','components','str',-1,'',''],
['RemoveComponentArrays','removecomponents','bool',1,'','']
])
self.SetOutputMembers([
['Mesh','o','vtkUnstructuredGrid',1,'','the output mesh','vmtkmeshwriter']
])
def Execute(self):
if (self.Mesh == None):
self.PrintError('Error: no Mesh.')
numberOfComponents = len(self.ComponentsArrayNames)
vectorArray = vtk.vtkDoubleArray()
vectorArray.SetName(self.VectorArrayName)
vectorArray.SetNumberOfComponents(numberOfComponents)
vectorArray.SetNumberOfTuples(self.Mesh.GetNumberOfPoints())
for i in range(numberOfComponents):
componentArray = self.Mesh.GetPointData().GetArray(self.ComponentsArrayNames[i])
vectorArray.CopyComponent(i,componentArray,0)
if self.RemoveComponentArrays:
self.Mesh.GetPointData().RemoveArray(self.ComponentsArrayNames[i])
self.Mesh.GetPointData().AddArray(vectorArray)
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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