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/*=========================================================================
Program: Visualization Toolkit
Module: TestCellDataToPointData.cxx
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.
=========================================================================*/
#include <vtkImageDataToPointSet.h>
#include <vtkImageData.h>
#include <vtkRTAnalyticSource.h>
#include <vtkStructuredGrid.h>
#include <vtkNew.h>
int TestImageDataToPointSet(int, char*[])
{
vtkNew<vtkRTAnalyticSource> wavelet;
wavelet->SetWholeExtent(-2, 2, -2, 2, -2, 2);
wavelet->SetCenter(0, 0, 0);
wavelet->SetMaximum(255);
wavelet->SetStandardDeviation(.5);
wavelet->SetXFreq(60);
wavelet->SetYFreq(30);
wavelet->SetZFreq(40);
wavelet->SetXMag(10);
wavelet->SetYMag(18);
wavelet->SetZMag(5);
wavelet->SetSubsampleRate(1);
vtkNew<vtkImageDataToPointSet> image2points;
image2points->SetInputConnection(wavelet->GetOutputPort());
image2points->Update();
vtkDataSet *inData = wavelet->GetOutput();
vtkDataSet *outData = image2points->GetOutput();
vtkIdType numPoints = inData->GetNumberOfPoints();
if (numPoints != outData->GetNumberOfPoints())
{
std::cout << "Got wrong number of points: " << numPoints << " vs "
<< outData->GetNumberOfPoints() << std::endl;
return EXIT_FAILURE;
}
vtkIdType numCells = inData->GetNumberOfCells();
if (numCells != outData->GetNumberOfCells())
{
std::cout << "Got wrong number of cells: " << numCells << " vs "
<< outData->GetNumberOfCells() << std::endl;
return EXIT_FAILURE;
}
for (vtkIdType pointId = 0; pointId < numPoints; pointId++)
{
double inPoint[3];
double outPoint[3];
inData->GetPoint(pointId, inPoint);
outData->GetPoint(pointId, outPoint);
if ( (inPoint[0] != outPoint[0])
|| (inPoint[1] != outPoint[1])
|| (inPoint[2] != outPoint[2]) )
{
std::cout << "Got mismatched point coordinates." << std::endl;
std::cout << "Input: " << inPoint[0] << " " << inPoint[1] << " " << inPoint[2] << std::endl;
std::cout << "Output: " << outPoint[0] << " " << outPoint[1] << " " << outPoint[2] << std::endl;
}
}
return EXIT_SUCCESS;
}
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