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/*=========================================================================
Program: Visualization Toolkit
Module: TestDataSetSurfaceMultiBlockFieldData.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 <cstdio>
#include <vtkDataSetSurfaceFilter.h>
#include <vtkFieldData.h>
#include <vtkFloatArray.h>
#include <vtkImageData.h>
#include <vtkIntArray.h>
#include <vtkNew.h>
#include <vtkPointData.h>
#include <vtkPolyData.h>
#include <vtkStructuredGrid.h>
#include <vtkUnstructuredGrid.h>
// Test to ensure that field data is copied for different data types in vtkDataSetSurface
namespace
{
//----------------------------------------------------------------------------
int TestDataSet(vtkDataSet* ds, int expectedValue)
{
vtkNew<vtkDataSetSurfaceFilter> surfacer;
surfacer->SetInputData(ds);
surfacer->Update();
if (!surfacer->GetOutput())
{
std::cout << "No output!\n";
return EXIT_FAILURE;
}
vtkFieldData* fieldData = surfacer->GetOutput()->GetFieldData();
const char* className = ds->GetClassName();
if (fieldData == NULL || fieldData->GetNumberOfArrays() == 0)
{
std::cerr << "No field data was associated with data set type " << className << "\n";
return EXIT_FAILURE;
}
else
{
std::cout << "Have field data for surface from data set type " << className << "\n";
vtkIntArray* array = vtkArrayDownCast<vtkIntArray>(fieldData->GetArray(0));
if (!array)
{
std::cerr << "Field data array was not of type vtkIntArray for data set type"
<< className << "\n";
return EXIT_FAILURE;
}
else if (array->GetNumberOfTuples() < 1)
{
std::cerr << "No tuples in field data array for surface from data set type "
<< className << "\n";
return EXIT_FAILURE;
}
else
{
int value = 0;
array->GetTypedTuple(0, &value);
std::cout << "Block value " << value << "\n";
if (value != expectedValue)
{
std::cerr << "Unexpected block field array value " << value
<< " for surface from data set type " << className
<< ". Expected " << expectedValue << "\n";
return EXIT_FAILURE;
}
}
}
return EXIT_SUCCESS;
}
//----------------------------------------------------------------------------
void AddFieldData(vtkDataSet* ds, int id)
{
vtkNew<vtkIntArray> array;
array->SetName("ID");
array->SetNumberOfComponents(1);
array->SetNumberOfTuples(1);
array->SetTypedTuple(0, &id);
ds->GetFieldData()->AddArray(array.GetPointer());
}
//----------------------------------------------------------------------------
int TestImageData()
{
// Create image data
vtkNew<vtkImageData> imageData;
imageData->Initialize();
imageData->SetSpacing(1, 1, 1);
imageData->SetOrigin(0, 0, 0);
imageData->SetDimensions(10, 10, 10);
int id = 1;
AddFieldData(imageData.GetPointer(), id);
// Add point data
vtkNew<vtkFloatArray> pa;
pa->SetName("pd");
pa->SetNumberOfComponents(1);
pa->SetNumberOfTuples(10 * 10 * 10);
imageData->GetPointData()->AddArray(pa.GetPointer());
return TestDataSet(imageData.GetPointer(), id);
}
//----------------------------------------------------------------------------
int TestPolyData()
{
// Create polydata
vtkNew<vtkPolyData> polyData;
polyData->Initialize();
int id = 2;
AddFieldData(polyData.GetPointer(), id);
return TestDataSet(polyData.GetPointer(), id);
}
//----------------------------------------------------------------------------
int TestStructuredGrid()
{
// Create structured grid data
vtkNew<vtkStructuredGrid> structuredGrid;
structuredGrid->Initialize();
int id = 3;
AddFieldData(structuredGrid.GetPointer(), id);
return TestDataSet(structuredGrid.GetPointer(), id);
}
//----------------------------------------------------------------------------
int TestUnstructuredGrid()
{
// Create unstructured grid data
vtkNew<vtkUnstructuredGrid> unstructuredGrid;
unstructuredGrid->Initialize();
int id = 4;
AddFieldData(unstructuredGrid.GetPointer(), id);
return TestDataSet(unstructuredGrid.GetPointer(), id);
}
} // end anonymous namespace
//----------------------------------------------------------------------------
int TestDataSetSurfaceFieldData(int vtkNotUsed(argc), char* vtkNotUsed(argv)[])
{
if (TestImageData() != EXIT_SUCCESS)
{
std::cerr << "TestImageData failed\n";
return EXIT_FAILURE;
}
if (TestPolyData() != EXIT_SUCCESS)
{
std::cerr << "TestPolyData failed\n";
return EXIT_FAILURE;
}
if (TestStructuredGrid() != EXIT_SUCCESS)
{
std::cerr << "TestStructuredGrid failed\n";
return EXIT_FAILURE;
}
if (TestUnstructuredGrid() != EXIT_SUCCESS)
{
std::cerr << "TestUnstructuredGrid failed\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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