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/*=========================================================================
Program: Visualization Toolkit
Module: TestExtractScatterPlot.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 "vtkCellData.h"
#include "vtkDoubleArray.h"
#include "vtkExtractScatterPlot.h"
#include "vtkPolyData.h"
#include "vtkSmartPointer.h"
#include "vtkSphereSource.h"
#include "vtkUnsignedLongArray.h"
/// Test the output of the vtkExtractHistogram filter in a simple serial case
int TestExtractScatterPlot(int, char*[])
{
vtkSmartPointer<vtkSphereSource> sphere = vtkSmartPointer<vtkSphereSource>::New();
vtkSmartPointer<vtkExtractScatterPlot> extraction = vtkSmartPointer<vtkExtractScatterPlot>::New();
const int bin_count = 3;
extraction->SetInputConnection(sphere->GetOutputPort());
extraction->SetInputArrayToProcess(0, 0, 0, vtkDataSet::FIELD_ASSOCIATION_POINTS_THEN_CELLS, "Normals");
extraction->SetInputArrayToProcess(1, 0, 0, vtkDataSet::FIELD_ASSOCIATION_POINTS_THEN_CELLS, "Normals");
extraction->SetXComponent(0);
extraction->SetYComponent(1);
extraction->SetXBinCount(bin_count);
extraction->SetYBinCount(bin_count);
extraction->Update();
vtkPolyData* const scatter_plot = extraction->GetOutput();
vtkDoubleArray* const x_bin_extents = vtkDoubleArray::SafeDownCast(scatter_plot->GetCellData()->GetArray("x_bin_extents"));
if(!x_bin_extents)
{
return 1;
}
if(x_bin_extents->GetNumberOfComponents() != 1)
{
return 1;
}
if(x_bin_extents->GetNumberOfTuples() != bin_count + 1)
{
return 1;
}
vtkDoubleArray* const y_bin_extents = vtkDoubleArray::SafeDownCast(scatter_plot->GetCellData()->GetArray("y_bin_extents"));
if(!y_bin_extents)
{
return 1;
}
if(y_bin_extents->GetNumberOfComponents() != 1)
{
return 1;
}
if(y_bin_extents->GetNumberOfTuples() != bin_count + 1)
{
return 1;
}
vtkUnsignedLongArray* const bin_values = vtkUnsignedLongArray::SafeDownCast(scatter_plot->GetCellData()->GetArray("bin_values"));
if(!bin_values)
{
return 1;
}
if(bin_values->GetNumberOfComponents() != bin_count)
{
return 1;
}
if(bin_values->GetNumberOfTuples() != bin_count)
{
return 1;
}
int count = 0;
for(int i = 0; i != bin_count; ++i)
{
for(int j = 0; j != bin_count; ++j)
{
count += static_cast<int>(bin_values->GetComponent(i, j));
}
}
if(count != 50)
return 1;
return 0;
}
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