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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkHyperTreeGridGeometryLevelEntry.h"
#include "vtkBitArray.h"
#include "vtkHyperTree.h"
#include "vtkHyperTreeGrid.h"
#include "vtkHyperTreeGridNonOrientedGeometryCursor.h"
#include "vtkHyperTreeGridScales.h"
#include <cassert>
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
void vtkHyperTreeGridGeometryLevelEntry::PrintSelf(ostream& os, vtkIndent indent)
{
os << indent << "--vtkHyperTreeGridGeometryLevelEntry--" << endl;
this->Tree->PrintSelf(os, indent);
os << indent << "Level:" << this->Level << endl;
os << indent << "Index:" << this->Index << endl;
os << indent << "Origin:" << this->Origin[0] << ", " << this->Origin[1] << ", " << this->Origin[2]
<< endl;
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::Dump(ostream& os)
{
os << "Level:" << this->Level << endl;
os << "Index:" << this->Index << endl;
os << "Origin:" << this->Origin[0] << ", " << this->Origin[1] << ", " << this->Origin[2] << endl;
}
//------------------------------------------------------------------------------
vtkHyperTree* vtkHyperTreeGridGeometryLevelEntry::Initialize(
vtkHyperTreeGrid* grid, vtkIdType treeIndex, bool create)
{
this->Tree = grid->GetTree(treeIndex, create);
this->Level = 0;
this->Index = 0;
grid->GetLevelZeroOriginFromIndex(treeIndex, this->Origin);
return this->Tree;
}
//------------------------------------------------------------------------------
vtkIdType vtkHyperTreeGridGeometryLevelEntry::GetGlobalNodeIndex() const
{
return this->Tree ? this->Tree->GetGlobalIndexFromLocal(this->Index)
: vtkHyperTreeGrid::InvalidIndex;
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::SetGlobalIndexStart(vtkIdType index)
{
assert("pre: not_tree" && this->Tree);
this->Tree->SetGlobalIndexStart(index);
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::SetGlobalIndexFromLocal(vtkIdType index)
{
assert("pre: not_tree" && this->Tree);
this->Tree->SetGlobalIndexFromLocal(this->Index, index);
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::SetMask(const vtkHyperTreeGrid* grid, bool value)
{
assert("pre: not_tree" && this->Tree);
const_cast<vtkHyperTreeGrid*>(grid)->GetMask()->InsertTuple1(this->GetGlobalNodeIndex(), value);
}
//------------------------------------------------------------------------------
bool vtkHyperTreeGridGeometryLevelEntry::IsMasked(const vtkHyperTreeGrid* grid) const
{
if (this->Tree && const_cast<vtkHyperTreeGrid*>(grid)->HasMask())
{
return const_cast<vtkHyperTreeGrid*>(grid)->GetMask()->GetValue(this->GetGlobalNodeIndex()) !=
0;
}
return false;
}
//------------------------------------------------------------------------------
bool vtkHyperTreeGridGeometryLevelEntry::IsLeaf(const vtkHyperTreeGrid* grid) const
{
assert("pre: not_tree" && this->Tree);
// How to set an accessor to DepthLimiter which is const?
if (this->Level == const_cast<vtkHyperTreeGrid*>(grid)->GetDepthLimiter())
{
return true;
}
return this->Tree->IsLeaf(this->Index);
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::SubdivideLeaf(const vtkHyperTreeGrid* grid)
{
assert("pre: not_tree" && this->Tree);
assert(
"pre: depth_limiter" && this->Level <= const_cast<vtkHyperTreeGrid*>(grid)->GetDepthLimiter());
assert("pre: is_masked" && !this->IsMasked(grid));
if (this->IsLeaf(grid))
{
this->Tree->SubdivideLeaf(this->Index, this->Level);
}
}
//------------------------------------------------------------------------------
bool vtkHyperTreeGridGeometryLevelEntry::IsTerminalNode(const vtkHyperTreeGrid* grid) const
{
assert("pre: not_tree" && this->Tree);
bool result = !this->IsLeaf(grid);
if (result)
{
result = this->Tree->IsTerminalNode(this->Index);
}
assert("post: compatible" && (!result || !this->IsLeaf(grid)));
return result;
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::ToChild(const vtkHyperTreeGrid* grid, unsigned char ichild)
{
assert("pre: not_tree" && this->Tree);
assert("pre: not_leaf" && !this->IsLeaf(grid));
assert("pre: not_valid_child" && ichild < this->Tree->GetNumberOfChildren());
assert(
"pre: depth_limiter" && this->Level <= const_cast<vtkHyperTreeGrid*>(grid)->GetDepthLimiter());
assert("pre: is_masked" && !this->IsMasked(grid));
const double* sizeChild = this->Tree->GetScales()->GetScale(this->Level + 1);
this->Index = this->Tree->GetElderChildIndex(this->Index) + ichild;
// Divide cell size and translate origin per template parameter
switch (this->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;
}
}
this->Level++;
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::GetBounds(double bounds[6]) const
{
assert("pre: not_tree" && this->Tree);
const double* sizeChild = this->Tree->GetScales()->GetScale(this->Level);
// Compute bounds
bounds[0] = this->Origin[0];
bounds[1] = this->Origin[0] + sizeChild[0];
bounds[2] = this->Origin[1];
bounds[3] = this->Origin[1] + sizeChild[1];
bounds[4] = this->Origin[2];
bounds[5] = this->Origin[2] + sizeChild[2];
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGeometryLevelEntry::GetPoint(double point[3]) const
{
assert("pre: not_tree" && this->Tree);
const double* sizeChild = this->Tree->GetScales()->GetScale(this->Level);
// Compute center point coordinates
point[0] = this->Origin[0] + sizeChild[0] / 2.;
point[1] = this->Origin[1] + sizeChild[1] / 2.;
point[2] = this->Origin[2] + sizeChild[2] / 2.;
}
VTK_ABI_NAMESPACE_END
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