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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkmeshwallshearrate.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 vtkvmtk
import vtk
import sys
import pypes
vmtkmeshwallshearrate = 'vmtkMeshWallShearRate'
class vmtkMeshWallShearRate(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Mesh = None
self.Surface = None
self.VelocityArrayName = None
self.WallShearRateArrayName = 'WallShearRate'
self.ConvergenceTolerance = 1E-6
self.QuadratureOrder = 3
self.SetScriptName('vmtkmeshwallshearrate')
self.SetScriptDoc('compute wall shear rate from a velocity field, producing a surface in output')
self.SetInputMembers([
['Mesh','i','vtkUnstructuredGrid',1,'','the input mesh','vmtkmeshreader'],
['VelocityArrayName','velocityarray','str',1,'',''],
['WallShearRateArrayName','wsrarray','str',1,'',''],
['ConvergenceTolerance','tolerance','float',1,'',''],
['QuadratureOrder','quadratureorder','int',1,'','']
])
self.SetOutputMembers([
['Surface','o','vtkPolyData',1,'','the output surface','vmtksurfacewriter']
])
def Execute(self):
if (self.Mesh == None):
self.PrintError('Error: no Mesh.')
wallShearRateFilter = vtkvmtk.vtkvmtkMeshWallShearRate()
wallShearRateFilter.SetInput(self.Mesh)
wallShearRateFilter.SetVelocityArrayName(self.VelocityArrayName)
wallShearRateFilter.SetWallShearRateArrayName(self.WallShearRateArrayName)
wallShearRateFilter.SetConvergenceTolerance(self.ConvergenceTolerance)
wallShearRateFilter.SetQuadratureOrder(self.QuadratureOrder)
wallShearRateFilter.ComputeIndividualPartialDerivativesOn()
wallShearRateFilter.Update()
self.Surface = wallShearRateFilter.GetOutput()
if self.Surface.GetSource():
self.Surface.GetSource().UnRegisterAllOutputs()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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