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/*=========================================================================
Program: Visualization Toolkit
Module: TestSortFieldData.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 "vtkDoubleArray.h"
#include "vtkFieldData.h"
#include "vtkIntArray.h"
#include "vtkMath.h"
#include "vtkSortFieldData.h"
#include "vtkStringArray.h"
#include "vtkVariantArray.h"
#include <locale> // C++ locale
#include <sstream> // to_string chokes some compilers
// A simple test sorts on one of the components of a 3-tuple array, and then
// orders all of the arrays based on the sort indices.
int TestSortFieldData(int, char*[])
{
// Create the arrays
vtkIntArray* iArray = vtkIntArray::New();
iArray->SetName("Int Array");
iArray->SetNumberOfComponents(3);
iArray->SetNumberOfTuples(10);
vtkStringArray* sArray = vtkStringArray::New();
sArray->SetName("String Array");
sArray->SetNumberOfComponents(1);
sArray->SetNumberOfTuples(10);
vtkDoubleArray* dArray = vtkDoubleArray::New();
dArray->SetName("Double Array");
dArray->SetNumberOfComponents(2);
dArray->SetNumberOfTuples(10);
vtkVariantArray* vArray = vtkVariantArray::New();
vArray->SetName("Variant Array");
vArray->SetNumberOfComponents(1);
vArray->SetNumberOfTuples(10);
// Populate the arrays. Mostly random numbers with a some values
// set to compare against expected output.
std::ostringstream ostr;
ostr.imbue(std::locale::classic());
int permute[] = { 3, 0, 9, 6, 7, 4, 5, 8, 2, 1 };
for (int i = 0; i < 10; ++i)
{
iArray->SetComponent(i, 0, i);
iArray->SetComponent(permute[i], 1, i);
iArray->SetComponent(i, 2, static_cast<int>(vtkMath::Random(0, 100)));
ostr.str(""); // clear it out
ostr << i;
sArray->SetValue(permute[i], ostr.str());
dArray->SetComponent(i, 0, static_cast<double>(vtkMath::Random(-1, 1)));
dArray->SetComponent(permute[i], 1, static_cast<double>(i));
vArray->SetValue(permute[i], vtkVariant(ostr.str()));
}
// Create the field data
vtkFieldData* fd = vtkFieldData::New();
fd->AddArray(iArray);
fd->AddArray(dArray);
fd->AddArray(vArray);
fd->AddArray(sArray);
// Sort the data
vtkIdType* idx = vtkSortFieldData::Sort(fd, "Int Array", 1, 1, 0);
// Now test the result
cout << "Ordering:\n\t( ";
for (int i = 0; i < 10; ++i)
{
cout << idx[i] << " ";
if (idx[i] != permute[i])
{
cout << "Bad sort order!\n";
delete[] idx;
return 1;
}
}
delete[] idx;
cout << ")";
cout << "\n\nInteger Array (sorted by component==1):\n";
for (int i = 0; i < 10; ++i)
{
cout << "\t(" << iArray->GetComponent(i, 0) << "," << iArray->GetComponent(i, 1) << ","
<< iArray->GetComponent(i, 2) << ")\n";
if (iArray->GetComponent(i, 1) != i)
{
cout << "Bad sort order!\n";
return 1;
}
}
cout << "\nDouble Array:\n";
for (int i = 0; i < 10; ++i)
{
cout << "\t(" << dArray->GetComponent(i, 0) << "," << dArray->GetComponent(i, 1) << ")\n";
if (dArray->GetComponent(i, 1) != i)
{
cout << "Bad sort order!\n";
return 1;
}
}
cout << "\nString Array:\n\t( ";
for (int i = 0; i < 10; ++i)
{
cout << sArray->GetValue(i) << " ";
ostr.str(""); // clear it out
ostr << i;
if (sArray->GetValue(i) != ostr.str())
{
cout << "Bad sort order!\n";
return 1;
}
}
cout << ")\n";
cout << "\nVariant Array:\n\t( ";
for (int i = 0; i < 10; ++i)
{
cout << vArray->GetValue(i).ToString() << " ";
ostr.str(""); // clear it out
ostr << i;
if (vArray->GetValue(i).ToString() != ostr.str())
{
cout << "Bad sort order!\n";
return 1;
}
}
cout << ")\n";
// Clean up
iArray->Delete();
sArray->Delete();
dArray->Delete();
vArray->Delete();
fd->Delete();
return 0;
}
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