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/*=========================================================================
Program: Visualization Toolkit
Module: TestSelectionSubtract
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.
=========================================================================*/
// .NAME
// .SECTION Description
// this program tests the vtkSelection::Subtract method
#include "vtkIdTypeArray.h"
#include "vtkIndent.h"
#include "vtkSelection.h"
#include "vtkSelectionNode.h"
#include "vtkSmartPointer.h"
#include <iostream>
using namespace std;
#define VTK_CREATE(type, name) \
vtkSmartPointer<type> name = vtkSmartPointer<type>::New()
#define DEBUG 0
#if DEBUG
// ------------------------------------------------------------------------------------------------
static void PrintSelectionNodes(vtkSmartPointer<vtkSelection>& sel, const char* tag = NULL)
{
vtkIdType numNodes = sel->GetNumberOfNodes();
if(tag)
{
cout << tag << endl;
}
for(int iNode=0; iNode < numNodes; iNode++)
{
if(tag) cout << "\t";
cout << "Node: " << iNode << endl;
vtkIdType listSize = sel->GetNode(iNode)->GetSelectionList()->GetNumberOfTuples();
for(int iVal=0; iVal < listSize; iVal++)
{
if(tag) cout << "\t";
cout << "\t" << iVal << "\t" << sel->GetNode(iNode)->GetSelectionList()->GetVariantValue(iVal) << endl;
}
}
}
#endif
// ------------------------------------------------------------------------------------------------
int TestSelectionSubtract(int,char *[])
{
// Create a selection, sel1, of PEDIGREEIDS containing {1, 2, 3}
VTK_CREATE(vtkSelection, sel1);
VTK_CREATE(vtkSelectionNode, sel1Node);
VTK_CREATE(vtkIdTypeArray, sel1Arr);
sel1->AddNode(sel1Node);
sel1Node->SetContentType(vtkSelectionNode::PEDIGREEIDS);
sel1Node->SetFieldType(vtkSelectionNode::VERTEX);
sel1Node->SetSelectionList(sel1Arr);
sel1Arr->InsertNextValue(1);
sel1Arr->InsertNextValue(2);
sel1Arr->InsertNextValue(3);
// Create a selection, sel2, of PEDIGREEIDS containing {2, 3}
VTK_CREATE(vtkSelection, sel2);
VTK_CREATE(vtkSelectionNode, sel2Node);
VTK_CREATE(vtkIdTypeArray, sel2Arr);
sel2->AddNode(sel2Node);
sel2Node->SetContentType(vtkSelectionNode::PEDIGREEIDS);
sel2Node->SetFieldType(vtkSelectionNode::VERTEX);
sel2Node->SetSelectionList(sel2Arr);
sel2Arr->InsertNextValue(3);
sel2Arr->InsertNextValue(1);
// debugging
#if DEBUG
PrintSelectionNodes(sel1, "sel1");
PrintSelectionNodes(sel2, "sel2");
#endif
// Subtract sel2 from sel1
#if DEBUG
cout << endl << "Subtract sel2 from sel1 ..." << endl << endl;
#endif
sel1->Subtract(sel2);
// debugging
#if DEBUG
PrintSelectionNodes(sel1, "sel1");
#endif
// Correctness check.
bool failed = false;
cout << "Check # of nodes == 1 ....... ";
if(sel1->GetNumberOfNodes() != 1)
{
cout << "FAILED" << endl;
failed = true;
}
else
{
cout << "OK" << endl;
}
cout << "Check # of tuples == 1 ...... ";
if(sel1->GetNode(0)->GetSelectionList()->GetNumberOfTuples() != 1)
{
cout << "FAILED" << endl;
failed = true;
}
else
{
cout << "OK" << endl;
}
cout << "Check selection value is 2 .. ";
if(sel1->GetNode(0)->GetSelectionList()->GetVariantValue(0) != 2)
{
cout << "FAILED" << endl;
failed = true;
}
else
{
cout << "OK" << endl;
}
return failed ? EXIT_FAILURE : EXIT_SUCCESS;
}
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