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/*=========================================================================
Program: Visualization Toolkit
Module: TestHyperTreeGridElderChildIndex.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 "vtkBitArray.h"
#include "vtkHyperTree.h"
#include "vtkHyperTreeGridNonOrientedCursor.h"
#include "vtkUniformHyperTreeGrid.h"
#include <iostream>
#include <string>
//------------------------------------------------------------------------------
void SubdivideAndInitMaskChildrenTrue(vtkHyperTreeGridNonOrientedCursor* cursor)
{
cursor->SubdivideLeaf();
for (unsigned char i = 0; i < cursor->GetNumberOfChildren(); ++i)
{
cursor->ToChild(i);
cursor->SetMask(true);
cursor->ToParent();
}
}
//------------------------------------------------------------------------------
void generateTree2(vtkUniformHyperTreeGrid* uhtg, unsigned int treeId)
{
std::cout << "Initializing octree " << treeId << "\n";
std::cout.flush();
vtkNew<vtkHyperTreeGridNonOrientedCursor> cursor;
uhtg->InitializeNonOrientedCursor(cursor, treeId, true);
cursor->SetGlobalIndexStart(uhtg->GetNumberOfCells());
// level 0
cursor->SetMask(false);
// ElderChildIndex: a
// bitmask: 0
// level 0, 0
SubdivideAndInitMaskChildrenTrue(cursor);
// ElderChildIndex: 1
// bitmask: 0 11111111
cursor->ToChild(3);
// level 1, 0.3
cursor->SetMask(false);
// bitmask: 0 11101111
SubdivideAndInitMaskChildrenTrue(cursor);
// ElderChildIndex: 1 aaa9
// bitmask: 0 11101111 11111111
cursor->ToChild(1);
// level 2, 0.3.1
cursor->SetMask(false);
// bitmask: 0 11101111 10111111
cursor->ToParent();
// level 1, 0.3
cursor->ToParent();
// level 0, 0
cursor->ToChild(0);
// level 1, 0.0
cursor->SetMask(false);
// bitmask: 0 01101111 10111111
SubdivideAndInitMaskChildrenTrue(cursor);
// ElderChildIndex: 1 17-aa9
// bitmask: 0 01101111 10111111 11111111
cursor->ToChild(7);
cursor->SetMask(false);
// bitmask: 0 01101111 10111111 11111110
}
//------------------------------------------------------------------------------
int TestElderChildIndexOK(vtkUniformHyperTreeGrid* htg)
{
std::cout << "Starting Elder Child indices comparison\n";
std::cout.flush();
int rc = 0;
vtkNew<vtkHyperTreeGridNonOrientedCursor> cursor;
vtkHyperTreeGrid::vtkHyperTreeGridIterator it;
htg->InitializeTreeIterator(it);
vtkHyperTree* ht1 = it.GetNextTree();
vtkHyperTree* ht2 = it.GetNextTree();
size_t nbElements = 0;
const unsigned int* ElderChildHT1 = (ht1) ? ht1->GetElderChildIndexArray(nbElements) : nullptr;
const unsigned int* ElderChildHT2 = (ht2) ? ht2->GetElderChildIndexArray(nbElements) : nullptr;
if (ht1 == nullptr || ht2 == nullptr)
{
nbElements = 0;
std::cout << "Impossible to retrieve either of the trees" << std::endl;
std::cout.flush();
}
for (unsigned int i = 0; i < nbElements; ++i)
{
std::cout << "index " << i << ": " << ElderChildHT1[i] << "\n";
std::cout.flush();
if (ElderChildHT1[i] != ElderChildHT2[i])
{
rc = 1;
break;
}
}
vtkBitArray* mask = htg->GetMask();
if (mask)
{
std::cout << "Mask: ";
for (vtkIdType i = 0; i < mask->GetNumberOfValues(); ++i)
{
std::cout << mask->GetValue(i);
}
std::cout << std::endl;
}
else
{
std::cout << "No mask" << std::endl;
}
return rc;
}
void generateTree(vtkUniformHyperTreeGrid* uhtg, unsigned int treeId)
{
std::cout << "Initializing quadtree " << treeId << "\n";
std::cout.flush();
vtkNew<vtkHyperTreeGridNonOrientedCursor> cursor;
uhtg->InitializeNonOrientedCursor(cursor, treeId, true);
cursor->SetGlobalIndexStart(uhtg->GetNumberOfCells());
// level 0
cursor->SubdivideLeaf();
cursor->ToChild(0);
// level 1.0
cursor->SubdivideLeaf();
cursor->ToParent();
// level 0
cursor->ToChild(1);
// level 1.1
cursor->SubdivideLeaf();
cursor->ToParent();
// level 0
cursor->ToChild(0);
// level 1.0
cursor->ToChild(0);
// level 2.0
cursor->SubdivideLeaf();
cursor->ToChild(2);
// level 3.2
cursor->SubdivideLeaf();
cursor->ToChild(0);
// level 4.0
cursor->SubdivideLeaf();
}
void initializeUniformHyperTreeGridQuadTree(vtkUniformHyperTreeGrid* uhtg)
{
std::cout << "Initializing Uniform Grid\n";
std::cout.flush();
uhtg->SetBranchFactor(2);
uhtg->SetGridScale(1.1);
uhtg->SetOrigin(0., 0., 0.);
uhtg->SetDimensions(5, 2, 1);
generateTree(uhtg, 1);
generateTree(uhtg, 3);
}
//------------------------------------------------------------------------------
void initializeUniformHyperTreeGridOcTree(vtkUniformHyperTreeGrid* uhtg)
{
std::cout << "Initializing Uniform Grid\n";
std::cout.flush();
uhtg->SetBranchFactor(2);
uhtg->SetGridScale(1.1);
uhtg->SetOrigin(0., 0., 0.);
uhtg->SetDimensions(3, 3, 2);
vtkNew<vtkBitArray> mask;
uhtg->SetMask(mask);
generateTree2(uhtg, 0);
generateTree2(uhtg, 1);
}
//------------------------------------------------------------------------------
void CheckTestStatusHTG(int rc, const std::string& TestName)
{
std::cout << "Test " << TestName << "...";
std::cout.flush();
if (rc == 0)
{
std::cout << "PASSED!\n";
std::cout.flush();
}
else
{
std::cout << "FAILED!\n";
std::cout.flush();
}
}
int TestHyperTreeGridElderChildIndex(int, char*[])
{
std::cout << "Starting test 1\n";
std::cout.flush();
int rc = 0;
{
vtkNew<vtkUniformHyperTreeGrid> uhtg1;
initializeUniformHyperTreeGridQuadTree(uhtg1);
rc += TestElderChildIndexOK(uhtg1);
CheckTestStatusHTG(rc, "TestElderChildIndexOKQuadTree");
}
{
vtkNew<vtkUniformHyperTreeGrid> uhtg1;
initializeUniformHyperTreeGridOcTree(uhtg1);
rc += TestElderChildIndexOK(uhtg1);
CheckTestStatusHTG(rc, "TestElderChildIndexOKOctree");
}
return (rc);
}
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