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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkmeshscaling.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
vmtkmeshscaling = 'vmtkMeshScaling'
class vmtkMeshScaling(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Mesh = None
self.ScaleFactor = None
self.SetScriptName('vmtkmeshscaling')
self.SetScriptDoc('scale a mesh by an isotropic factor')
self.SetInputMembers([
['Mesh','i','vtkUnstructuredGrid',1,'','the input mesh','vmtkmeshreader'],
['ScaleFactor','scale','float',1,'(0.0,)','isotropic scaling factor']
])
self.SetOutputMembers([
['Mesh','o','vtkUnstructuredGrid',1,'','the output mesh','vmtkmeshwriter']
])
def Execute(self):
if (self.Mesh == None):
self.PrintError('Error: no Mesh.')
transform = vtk.vtkTransform()
transform.Scale(self.ScaleFactor,self.ScaleFactor,self.ScaleFactor)
transformFilter = vtk.vtkTransformFilter()
transformFilter.SetInput(self.Mesh)
transformFilter.SetTransform(transform)
transformFilter.Update()
self.Mesh = transformFilter.GetOutput()
if self.Mesh.GetSource():
self.Mesh.GetSource().UnRegisterAllOutputs()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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