Files
ThirdParty-6/ParaView-5.0.1/CoProcessing/TestDriver/vtkCPNodalFieldBuilder.cxx

81 lines
2.5 KiB
C++

/*=========================================================================
Program: ParaView
Module: vtkCPNodalFieldBuilder.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 notice for more information.
=========================================================================*/
#include "vtkCPNodalFieldBuilder.h"
#include "vtkCPTensorFieldFunction.h"
#include "vtkDataSet.h"
#include "vtkDoubleArray.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include <vector>
vtkStandardNewMacro(vtkCPNodalFieldBuilder);
//----------------------------------------------------------------------------
vtkCPNodalFieldBuilder::vtkCPNodalFieldBuilder()
{
}
//----------------------------------------------------------------------------
void vtkCPNodalFieldBuilder::BuildField(unsigned long timeStep, double time,
vtkDataSet* grid)
{
vtkCPTensorFieldFunction* tensorFieldFunction =
this->GetTensorFieldFunction();
if(tensorFieldFunction == 0)
{
vtkErrorMacro("Must set TensorFieldFunction.");
return;
}
if(this->GetArrayName() == 0)
{
vtkErrorMacro("Must set ArrayName.");
return;
}
vtkIdType numberOfPoints = grid->GetNumberOfPoints();
unsigned int numberOfComponents =
tensorFieldFunction->GetNumberOfComponents();
vtkDoubleArray* array = vtkDoubleArray::New();
array->SetNumberOfComponents(numberOfComponents);
array->SetNumberOfTuples(numberOfPoints);
std::vector<double> tupleValues(numberOfComponents);
double point[3];
for(vtkIdType i=0;i<numberOfPoints;i++)
{
grid->GetPoint(i, point);
for(unsigned int uj=0;uj<numberOfComponents;uj++)
{
tupleValues[uj] = tensorFieldFunction->ComputeComponenentAtPoint(
uj, point, timeStep, time);
}
array->SetTupleValue(i, &tupleValues[0]);
}
array->SetName(this->GetArrayName());
grid->GetPointData()->AddArray(array);
array->Delete();
}
//----------------------------------------------------------------------------
vtkCPNodalFieldBuilder::~vtkCPNodalFieldBuilder()
{
}
//----------------------------------------------------------------------------
void vtkCPNodalFieldBuilder::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}