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/*=========================================================================
Program: Visualization Toolkit
Module: TestStructuredData.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 "vtkSmartPointer.h"
#include "vtkStructuredData.h"
static int TestGridExtent( int ext[6] );
static int TestCellIds();
static int TestPointIds();
static int Test1DCases();
static int Test2DCases();
static int TestGetNumNodesAndCells();
int TestStructuredData(int,char *[])
{
if( Test1DCases() != EXIT_SUCCESS )
{
std::cerr << "1-D Test cases failed!\n";
return EXIT_FAILURE;
}
if( Test2DCases() != EXIT_SUCCESS )
{
std::cerr << "2-D Test cases failed!\n";
return EXIT_FAILURE;
}
int cellIdsResult = TestCellIds();
int pointIdsResult = TestPointIds();
if(cellIdsResult != EXIT_SUCCESS ||
pointIdsResult != EXIT_SUCCESS )
{
return EXIT_FAILURE;
}
if( TestGetNumNodesAndCells() != EXIT_SUCCESS )
{
std::cerr << "TestGetNumNodesAndCells() failed!\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
//------------------------------------------------------------------------------
int TestGetNumNodesAndCells()
{
// Extent for 2048^3 grid
int ext[6]={0,2047, 0,2047, 0,2047};
int dims[3];
vtkStructuredData::GetDimensionsFromExtent(ext,dims);
if( (dims[0] != 2048) || (dims[1] != 2048) || (dims[2] != 2048) )
{
std::cerr << "Wrong dims computed: ";
std::cerr << dims[0] << ", " << dims[1] << ", " << dims[2] << std::endl;
return EXIT_FAILURE;
}
// Compute expected number of nodes. Note, we cast dims to vtkIdType to
// ensure the compiler will generate a 32x32=64 multiply instruction.
vtkIdType nNodesExpected =
static_cast<vtkIdType>(dims[0])*
static_cast<vtkIdType>(dims[1])*
static_cast<vtkIdType>(dims[2]);
if( vtkStructuredData::GetNumberOfPoints(ext) != nNodesExpected )
{
std::cerr << "ERROR: GetNumberOfNodes(ext) failed!\n";
std::cerr << "val=" << vtkStructuredData::GetNumberOfPoints(ext) << "\n";
std::cerr << "expected=" << nNodesExpected << "\n";
return EXIT_FAILURE;
}
vtkStructuredData::GetCellDimensionsFromExtent(ext,dims);
if( (dims[0] != 2047) || (dims[1] != 2047) || (dims[2] != 2047) )
{
std::cerr << "Wrong dims computed: ";
std::cerr << dims[0] << ", " << dims[1] << ", " << dims[2] << std::endl;
return EXIT_FAILURE;
}
// Compute expected number of nodes. Note, we cast dims to vtkIdType to
// ensure the compiler will generate a 32x32=64 multiply instruction.
vtkIdType nCellsExpected =
static_cast<vtkIdType>(dims[0])*
static_cast<vtkIdType>(dims[1])*
static_cast<vtkIdType>(dims[2]);
if( vtkStructuredData::GetNumberOfCells(ext) != nCellsExpected )
{
std::cerr << "ERROR: GetNumberOfNodes(ext) failed!\n";
std::cerr << "val=" << vtkStructuredData::GetNumberOfCells(ext) << "\n";
std::cerr << "expected=" << nCellsExpected << "\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
//------------------------------------------------------------------------------
int TestGridExtent( int ext[6] )
{
int ijk[3];
int myijk[3];
for( int i=ext[0]; i <= ext[1]; ++i )
{
for( int j=ext[2]; j <= ext[3]; ++j )
{
for( int k=ext[4]; k <= ext[5]; ++k )
{
ijk[0] = i; ijk[1] = j; ijk[2] = k;
vtkIdType idx = vtkStructuredData::ComputePointIdForExtent( ext, ijk );
vtkStructuredData::ComputePointStructuredCoordsForExtent(idx,ext,myijk);
if(!( ijk[0]==myijk[0] && ijk[1]==myijk[1] && ijk[2]==myijk[2] ) )
{
std::cerr << "TestSturcturedData failed when processing extent: [";
std::cerr << ext[0] << " " << ext[1] << " "
<< ext[2] << " " << ext[3] << " "
<< ext[4] << " " << ext[5] << "] " << std::endl;
std::cerr << "Expected IJK: (";
std::cerr << ijk[0] << ", " << ijk[1] << ", " << ijk[2] << ")\n";
std::cerr << "Computed IJK: (";
std::cerr << myijk[0] << ", " << myijk[1] << ", " << myijk[2];
std::cerr << ")\n";
return EXIT_FAILURE;
} // END if
} // END for all k
} // END for all j
} // END for all i
return EXIT_SUCCESS;
}
//------------------------------------------------------------------------------
int Test1DCases()
{
int testExtents[3][6] =
{
{0,4, 0,0, 0,0}, // X-LINE
{0,0, 0,4, 0,0}, // Y-LINE
{0,0, 0,0, 0,4} // Z-LINE
};
int status;
for( int i=0; i < 3; ++i )
{
status = TestGridExtent( testExtents[i] );
if( status == EXIT_FAILURE )
{
return( EXIT_FAILURE );
}
}
return EXIT_SUCCESS;
}
//------------------------------------------------------------------------------
int Test2DCases()
{
int testExtents[3][6] =
{
{0,4, 0,4, 0,0}, // XY-PLANE
{0,0, 0,4, 0,4}, // YZ-PLANE
{0,4, 0,0, 0,4} // XZ-PLANE
};
int status;
for( int i=0; i < 3; ++i )
{
status = TestGridExtent( testExtents[i] );
if( status == EXIT_FAILURE )
{
return( EXIT_FAILURE );
}
}
return EXIT_SUCCESS;
}
//------------------------------------------------------------------------------
int TestCellIds()
{
int dim[3] = {3,4,5};
for(int i = 0; i < dim[0] - 1; ++i)
{
for(int j = 0; j < dim[1] - 1; ++j)
{
for(int k = 0; k < dim[2] - 1; ++k)
{
int pos[3];
pos[0] = i;
pos[1] = j;
pos[2] = k;
int ijk[3];
vtkIdType id = vtkStructuredData::ComputeCellId(dim, pos);
vtkStructuredData::ComputeCellStructuredCoords(id, dim, ijk);
if(!(pos[0] == ijk[0] && pos[1] == ijk[1] && pos[2] == ijk[2]))
{
std::cerr << "TestStructuredData failed! Structured coords should be ("
<< i << ", " << j << ", " << k << ") but they are ("
<< ijk[0] << ", " << ijk[1] << ", " << ijk[2] << ")" << std::endl;
return EXIT_FAILURE;
}
}
}
}
return EXIT_SUCCESS;
}
//------------------------------------------------------------------------------
int TestPointIds()
{
int dim[3] = {3,4,5};
for(int i = 0; i < dim[0]; ++i)
{
for(int j = 0; j < dim[1]; ++j)
{
for(int k = 0; k < dim[2]; ++k)
{
int pos[3];
pos[0] = i;
pos[1] = j;
pos[2] = k;
int ijk[3];
vtkIdType id = vtkStructuredData::ComputePointId(dim, pos);
vtkStructuredData::ComputePointStructuredCoords(id, dim, ijk);
if(!(pos[0] == ijk[0] && pos[1] == ijk[1] && pos[2] == ijk[2]))
{
std::cerr << "TestStructuredData point structured coords failed!"
<< " Structured coords should be ("
<< i << ", " << j << ", " << k << ") but they are ("
<< ijk[0] << ", " << ijk[1] << ", " << ijk[2] << ")" << std::endl;
return EXIT_FAILURE;
}
}
}
}
return EXIT_SUCCESS;
}
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