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/*=========================================================================
Program: Visualization Toolkit
Module: vtkRectilinearGridToTetrahedra.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
/*----------------------------------------------------------------------------
Copyright (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#include "vtkRectilinearGridToPointSet.h"
#include "vtkCellData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkRectilinearGrid.h"
#include "vtkStructuredGrid.h"
#include "vtkNew.h"
vtkStandardNewMacro(vtkRectilinearGridToPointSet);
//-------------------------------------------------------------------------
vtkRectilinearGridToPointSet::vtkRectilinearGridToPointSet()
{
}
vtkRectilinearGridToPointSet::~vtkRectilinearGridToPointSet()
{
}
void vtkRectilinearGridToPointSet::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//-------------------------------------------------------------------------
int vtkRectilinearGridToPointSet::FillInputPortInformation(int port,
vtkInformation *info)
{
if (!this->Superclass::FillInputPortInformation(port, info))
{
return 0;
}
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkRectilinearGrid");
return 1;
}
//-------------------------------------------------------------------------
int vtkRectilinearGridToPointSet::CopyStructure(vtkStructuredGrid *outData,
vtkRectilinearGrid *inData)
{
vtkDataArray *xcoord = inData->GetXCoordinates();
vtkDataArray *ycoord = inData->GetYCoordinates();
vtkDataArray *zcoord = inData->GetZCoordinates();
int extent[6];
inData->GetExtent(extent);
outData->SetExtent(extent);
vtkNew<vtkPoints> points;
points->SetDataTypeToDouble();
points->SetNumberOfPoints(inData->GetNumberOfPoints());
vtkIdType pointId = 0;
int ijk[3];
for (ijk[2] = extent[4]; ijk[2] <= extent[5]; ijk[2]++)
{
for (ijk[1] = extent[2]; ijk[1] <= extent[3]; ijk[1]++)
{
for (ijk[0] = extent[0]; ijk[0] <= extent[1]; ijk[0]++)
{
double coord[3];
coord[0] = xcoord->GetComponent(ijk[0]-extent[0], 0);
coord[1] = ycoord->GetComponent(ijk[1]-extent[2], 0);
coord[2] = zcoord->GetComponent(ijk[2]-extent[4], 0);
points->SetPoint(pointId, coord);
pointId++;
}
}
}
if (pointId != points->GetNumberOfPoints())
{
vtkErrorMacro(<< "Somehow misscounted points");
return 0;
}
outData->SetPoints(points.GetPointer());
return 1;
}
//-------------------------------------------------------------------------
int vtkRectilinearGridToPointSet::RequestData(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
vtkRectilinearGrid *inData = vtkRectilinearGrid::GetData(inputVector[0]);
vtkStructuredGrid *outData = vtkStructuredGrid::GetData(outputVector);
if (inData == NULL)
{
vtkErrorMacro(<< "Input data is NULL.");
return 0;
}
if (outData == NULL)
{
vtkErrorMacro(<< "Output data is NULL.");
return 0;
}
int result = vtkRectilinearGridToPointSet::CopyStructure(outData, inData);
if (!result)
{
return 0;
}
outData->GetPointData()->PassData(inData->GetPointData());
outData->GetCellData()->PassData(inData->GetCellData());
return 1;
}
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