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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkmeshextractpointdata.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.
## Note: this class was contributed by
## Simone Manini
## Orobix Srl
from vmtk import vtkvmtk
import vtk
import sys
import pypes
import vmtkmeshvectorfromcomponents
vmtkmeshextractpointdata = 'vmtkMeshExtractPointData'
class vmtkMeshExtractPointData(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Mesh = None
self.PointId = None
self.ArrayName = None
self.ComponentsArrayNames = None
self.SetScriptName('vmtkmeshextractpointdata')
self.SetScriptDoc('extract the magnitude value of an array for a point id')
self.SetInputMembers([
['Mesh','i','vtkUnstructuredGrid',1,'','the input mesh','vmtkmeshreader'],
['PointId','pointid','int',1,'','the id of the cell'],
['ComponentsArrayNames','components','str',-1,'',''],
['ArrayName','array','str',1,'',''],
])
self.SetOutputMembers([
])
def Execute(self):
if (self.Mesh == None):
self.PrintError('Error: no Mesh.')
if (self.PointId == None):
self.PrintError('Error: no PointId.')
if (self.ArrayName == None):
self.PrintError('Error: no ArrayName.')
vectorFromComponents = vmtkmeshvectorfromcomponents.vmtkMeshVectorFromComponents()
vectorFromComponents.Mesh = self.Mesh
vectorFromComponents.VectorArrayName = self.ArrayName
vectorFromComponents.ComponentsArrayNames = self.ComponentsArrayNames
vectorFromComponents.RemoveComponentArrays = True
vectorFromComponents.Execute()
dataArray = self.Mesh.GetPointData().GetArray(self.ArrayName)
dataValue = vtk.vtkMath.Norm((dataArray.GetTuple(self.PointId)[0],dataArray.GetTuple(self.PointId)[1],dataArray.GetTuple(self.PointId)[2]))
self.PrintLog('')
logLine = 'PointId: %d\n' % self.PointId
logLine += ' Array: %s\n' % self.ArrayName
logLine += ' Components[x,y,z]: %s,%s,%s\n' % (dataArray.GetTuple(self.PointId)[0],dataArray.GetTuple(self.PointId)[1],dataArray.GetTuple(self.PointId)[2])
logLine += ' Magnitude: %f\n' % dataValue
self.PrintLog(logLine)
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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