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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkboundarylayer.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 vtkvmtk
import sys
import pypes
vmtkboundarylayer = 'vmtkBoundaryLayer'
class vmtkBoundaryLayer(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Mesh = None
self.InnerSurfaceMesh = None
self.WarpVectorsArrayName = ''
self.ThicknessArrayName = ''
self.Thickness = 1.0
self.ThicknessRatio = 0.1
self.MaximumThickness = 1E10
self.NumberOfSubLayers = 1
self.SubLayerRatio = 1.0
self.UseWarpVectorMagnitudeAsThickness = 0;
self.ConstantThickness = 0;
self.IncludeSurfaceCells = 1
self.NegateWarpVectors = 0
self.SetScriptName('vmtkboundarylayer')
self.SetScriptDoc('create a prismatic boundary layer from a surface mesh and a set of vectors defined on the nodes')
self.SetInputMembers([
['Mesh','i','vtkUnstructuredGrid',1,'','the input mesh','vmtkmeshreader'],
['WarpVectorsArrayName','warpvectorsarray','str',1,'','name of the array where warp vectors are stored'],
['ThicknessArrayName','thicknessarray','str',1,'','name of the array where scalars defining boundary layer thickness are stored'],
['Thickness','thickness','float',1,'','value of constant boundary layer thickness'],
['ThicknessRatio','thicknessratio','float',1,'(0.0,)','multiplying factor for boundary layer thickness'],
['MaximumThickness','maximumthickness','float',1,'','maximum allowed value for boundary layer thickness'],
['NumberOfSubLayers','numberofsublayers','int',1,'(0,)','number of sublayers which the boundary layer has to be made of'],
['SubLayerRatio','sublayerratio','float',1,'(0.0,)','ratio between the thickness of two successive boundary layers'],
['UseWarpVectorMagnitudeAsThickness','warpvectormagnitudeasthickness','bool',1,'','compute boundary layer thickness as the norm of warp vectors'],
['ConstantThickness','constantthickness','bool',1,'','toggle constant boundary layer thickness'],
['IncludeSurfaceCells','includesurfacecells','bool',1,'','include surface cells in output mesh'],
['NegateWarpVectors','negatewarpvectors','bool',1,'','flip the orientation of warp vectors']
])
self.SetOutputMembers([
['Mesh','o','vtkUnstructuredGrid',1,'','the output mesh','vmtkmeshwriter'],
['InnerSurfaceMesh','oinner','vtkUnstructuredGrid',1,'','the output inner surface mesh','vmtkmeshwriter']
])
def Execute(self):
if self.Mesh == None:
self.PrintError('Error: No input mesh.')
boundaryLayerGenerator = vtkvmtk.vtkvmtkBoundaryLayerGenerator()
boundaryLayerGenerator.SetInput(self.Mesh)
boundaryLayerGenerator.SetWarpVectorsArrayName(self.WarpVectorsArrayName)
boundaryLayerGenerator.SetLayerThickness(self.Thickness)
boundaryLayerGenerator.SetLayerThicknessArrayName(self.ThicknessArrayName)
boundaryLayerGenerator.SetLayerThicknessRatio(self.ThicknessRatio)
boundaryLayerGenerator.SetMaximumLayerThickness(self.MaximumThickness)
boundaryLayerGenerator.SetNumberOfSubLayers(self.NumberOfSubLayers)
boundaryLayerGenerator.SetSubLayerRatio(self.SubLayerRatio)
boundaryLayerGenerator.SetConstantThickness(self.ConstantThickness)
boundaryLayerGenerator.SetUseWarpVectorMagnitudeAsThickness(self.UseWarpVectorMagnitudeAsThickness)
boundaryLayerGenerator.SetIncludeSurfaceCells(self.IncludeSurfaceCells)
boundaryLayerGenerator.SetNegateWarpVectors(self.NegateWarpVectors)
boundaryLayerGenerator.Update()
self.Mesh = boundaryLayerGenerator.GetOutput()
self.InnerSurfaceMesh = boundaryLayerGenerator.GetInnerSurface()
if self.Mesh.GetSource():
self.Mesh.GetSource().UnRegisterAllOutputs()
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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