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/*=========================================================================
Program: Visualization Toolkit
Module: vtkHyperTreeGridGeometryEntry.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 "vtkHyperTreeGridGeometryEntry.h"
#include "vtkBitArray.h"
#include "vtkHyperTree.h"
#include "vtkHyperTreeGrid.h"
#include <cassert>
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
vtkHyperTreeGridGeometryEntry::vtkHyperTreeGridGeometryEntry()
{
this->Index = 0;
for (unsigned int d = 0; d < 3; ++d)
{
this->Origin[d] = 0.;
}
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryEntry::PrintSelf(ostream& os, vtkIndent indent)
{
os << indent << "--vtkHyperTreeGridGeometryLevelEntry--" << endl;
os << indent << "Index:" << this->Index << endl;
os << indent << "Origin:" << this->Origin[0] << ", " << this->Origin[1] << ", " << this->Origin[2]
<< endl;
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryEntry::Dump(ostream& os)
{
os << "Index:" << this->Index << endl;
os << "Origin:" << this->Origin[0] << ", " << this->Origin[1] << ", " << this->Origin[2] << endl;
}
//------------------------------------------------------------------------------
vtkHyperTree* vtkHyperTreeGridGeometryEntry::Initialize(
vtkHyperTreeGrid* grid, vtkIdType treeIndex, bool create)
{
this->Index = 0;
grid->GetLevelZeroOriginFromIndex(treeIndex, this->Origin);
return grid->GetTree(treeIndex, create);
}
//------------------------------------------------------------------------------
vtkIdType vtkHyperTreeGridGeometryEntry::GetGlobalNodeIndex(const vtkHyperTree* tree) const
{
assert("pre: not_tree" && tree);
return tree->GetGlobalIndexFromLocal(this->Index);
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryEntry::SetGlobalIndexStart(vtkHyperTree* tree, vtkIdType index)
{
assert("pre: not_tree" && tree);
tree->SetGlobalIndexStart(index);
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryEntry::SetGlobalIndexFromLocal(vtkHyperTree* tree, vtkIdType index)
{
assert("pre: not_tree" && tree);
tree->SetGlobalIndexFromLocal(this->Index, index);
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryEntry::SetMask(
const vtkHyperTreeGrid* grid, const vtkHyperTree* tree, bool value)
{
assert("pre: not_tree" && tree);
const_cast<vtkHyperTreeGrid*>(grid)->GetMask()->InsertTuple1(
this->GetGlobalNodeIndex(tree), value);
}
//------------------------------------------------------------------------------
bool vtkHyperTreeGridGeometryEntry::IsMasked(
const vtkHyperTreeGrid* grid, const vtkHyperTree* tree) const
{
assert("pre: not_tree" && tree);
if (tree && const_cast<vtkHyperTreeGrid*>(grid)->HasMask())
{
return const_cast<vtkHyperTreeGrid*>(grid)->GetMask()->GetValue(
this->GetGlobalNodeIndex(tree)) != 0;
}
return false;
}
//------------------------------------------------------------------------------
bool vtkHyperTreeGridGeometryEntry::IsLeaf(
const vtkHyperTreeGrid* grid, const vtkHyperTree* tree, unsigned int level) const
{
assert("pre: not_tree" && tree);
if (level == const_cast<vtkHyperTreeGrid*>(grid)->GetDepthLimiter())
{
return true;
}
return tree->IsLeaf(this->Index);
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryEntry::SubdivideLeaf(
const vtkHyperTreeGrid* grid, vtkHyperTree* tree, unsigned int level)
{
assert("pre: not_tree" && tree);
assert("pre: depth_limiter" && level <= const_cast<vtkHyperTreeGrid*>(grid)->GetDepthLimiter());
assert("pre: is_masked" && !this->IsMasked(grid, tree));
if (this->IsLeaf(grid, tree, level))
{
tree->SubdivideLeaf(this->Index, level);
}
}
//------------------------------------------------------------------------------
bool vtkHyperTreeGridGeometryEntry::IsTerminalNode(
const vtkHyperTreeGrid* grid, const vtkHyperTree* tree, unsigned int level) const
{
assert("pre: not_tree" && tree);
bool result = !this->IsLeaf(grid, tree, level);
if (result)
{
result = tree->IsTerminalNode(this->Index);
}
assert("post: compatible" && (!result || !this->IsLeaf(grid, tree, level)));
return result;
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryEntry::ToChild(const vtkHyperTreeGrid* grid, const vtkHyperTree* tree,
unsigned int level, const double* sizeChild, unsigned char ichild)
{
(void)level;
assert("pre: not_tree" && tree);
assert("pre: not_leaf" && !this->IsLeaf(grid, tree, level));
assert("pre: not_valid_child" && ichild < tree->GetNumberOfChildren());
assert("pre: depth_limiter" && level <= const_cast<vtkHyperTreeGrid*>(grid)->GetDepthLimiter());
assert("pre: is_masked" && !IsMasked(grid, tree));
this->Index = tree->GetElderChildIndex(this->Index) + ichild;
// Divide cell size and translate origin per template parameter
switch (tree->GetNumberOfChildren())
{
case 2: // dimension = 1, branch factor = 2
{
unsigned int axis = grid->GetOrientation();
this->Origin[axis] += (ichild & 1) * sizeChild[axis];
break;
}
case 3: // dimension = 1, branch factor = 3
{
unsigned int axis = grid->GetOrientation();
this->Origin[axis] += (ichild % 3) * sizeChild[axis];
break;
}
case 4: // dimension = 2, branch factor = 2
{
unsigned int axis1 = 0;
unsigned int axis2 = 1;
switch (grid->GetOrientation())
{
case 0:
axis1 = 1;
VTK_FALLTHROUGH;
case 1:
axis2 = 2;
}
this->Origin[axis1] += (ichild & 1) * sizeChild[axis1];
this->Origin[axis2] += ((ichild & 2) >> 1) * sizeChild[axis2];
break;
}
case 9: // dimension = 2, branch factor = 3
{
unsigned int axis1 = 0;
unsigned int axis2 = 1;
switch (grid->GetOrientation())
{
case 0:
axis1 = 1;
VTK_FALLTHROUGH;
case 1:
axis2 = 2;
}
this->Origin[axis1] += (ichild % 3) * sizeChild[axis1];
this->Origin[axis2] += ((ichild % 9) / 3) * sizeChild[axis2];
break;
}
case 8: // dimension = 3, branch factor = 2
{
this->Origin[0] += (ichild & 1) * sizeChild[0];
this->Origin[1] += ((ichild & 2) >> 1) * sizeChild[1];
this->Origin[2] += ((ichild & 4) >> 2) * sizeChild[2];
break;
}
case 27: // dimension = 3, branch factor = 3
{
this->Origin[0] += (ichild % 3) * sizeChild[0];
this->Origin[1] += ((ichild % 9) / 3) * sizeChild[1];
this->Origin[2] += (ichild / 9) * sizeChild[2];
break;
}
}
}
VTK_ABI_NAMESPACE_END
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