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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkHyperTreeGridGenerateFields.h"
#include "vtkCellData.h"
#include "vtkHyperTreeGridCellCenterStrategy.h"
#include "vtkHyperTreeGridCellSizeStrategy.h"
#include "vtkHyperTreeGridNonOrientedGeometryCursor.h"
#include "vtkHyperTreeGridTotalVisibleVolumeStrategy.h"
#include "vtkHyperTreeGridValidCellStrategy.h"
#define fieldMacros(Name) \
std::string vtkHyperTreeGridGenerateFields::Get##Name##ArrayName() VTK_FUTURE_CONST \
{ \
return this->Fields.at(#Name).strategy->GetArrayName(); \
} \
void vtkHyperTreeGridGenerateFields::Set##Name##ArrayName(std::string _arg) \
{ \
if (this->Fields[#Name].strategy->GetArrayName() != _arg) \
{ \
this->Fields[#Name].name = _arg; \
this->Fields[#Name].strategy->SetArrayName(_arg); \
this->Modified(); \
} \
} \
bool vtkHyperTreeGridGenerateFields::GetCompute##Name##Array() VTK_FUTURE_CONST \
{ \
return this->Fields.at(#Name).enabled; \
} \
void vtkHyperTreeGridGenerateFields::SetCompute##Name##Array(bool _arg) \
{ \
if (this->Fields[#Name].enabled != _arg) \
{ \
this->Fields[#Name].enabled = _arg; \
this->Modified(); \
} \
}
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkHyperTreeGridGenerateFields);
fieldMacros(CellSize);
fieldMacros(ValidCell);
fieldMacros(CellCenter);
fieldMacros(TotalVisibleVolume);
//------------------------------------------------------------------------------
vtkHyperTreeGridGenerateFields::vtkHyperTreeGridGenerateFields()
{
// Cell Data
vtkNew<vtkHyperTreeGridCellSizeStrategy> cellSize;
cellSize->SetArrayName(this->DefaultCellSizeArrayName);
cellSize->SetArrayType(vtkDataObject::AttributeTypes::CELL);
this->Fields["CellSize"] = { this->DefaultCellSizeArrayName, cellSize, true };
vtkNew<vtkHyperTreeGridValidCellStrategy> validCell;
validCell->SetArrayName(this->DefaultValidCellArrayName);
validCell->SetArrayType(vtkDataObject::AttributeTypes::CELL);
this->Fields["ValidCell"] = { this->DefaultValidCellArrayName, validCell, true };
vtkNew<vtkHyperTreeGridCellCenterStrategy> cellCenter;
cellCenter->SetArrayName(this->DefaultCellCenterArrayName);
cellCenter->SetArrayType(vtkDataObject::AttributeTypes::CELL);
this->Fields["CellCenter"] = { this->DefaultCellCenterArrayName, cellCenter, true };
// Field Data
vtkNew<vtkHyperTreeGridTotalVisibleVolumeStrategy> totalVisibleVolume;
totalVisibleVolume->SetArrayName(this->DefaultTotalVisibleVolumeArrayName);
totalVisibleVolume->SetArrayType(vtkDataObject::AttributeTypes::FIELD);
this->Fields["TotalVisibleVolume"] = { this->DefaultTotalVisibleVolumeArrayName,
totalVisibleVolume, true };
this->AppropriateOutput = true;
};
//------------------------------------------------------------------------------
void vtkHyperTreeGridGenerateFields::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Fields:"
<< "\n";
for (const auto& [key, field] : this->Fields)
{
os << indent << key << "\n";
indent = indent.GetNextIndent();
os << indent << "Enabled: " << field.enabled << "\n";
os << indent << "Valid: " << field.valid << "\n";
field.strategy->PrintSelf(os, indent.GetNextIndent());
}
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGenerateFields::ProcessFields(
vtkHyperTreeGrid* outputHTG, vtkHyperTreeGrid* input, const vtkDataObject::AttributeTypes type)
{
for (auto& [key, field] : this->Fields)
{
field.valid = false;
if (field.enabled && field.strategy->GetArrayType() == type)
{
if (type == vtkDataObject::AttributeTypes::CELL)
{
field.strategy->Initialize(input);
field.valid = true;
}
else if (type == vtkDataObject::AttributeTypes::FIELD)
{
field.valid = field.strategy->Initialize(this->Fields);
}
}
}
// Iterate over all input and output hyper trees
vtkIdType index = 0;
vtkHyperTreeGrid::vtkHyperTreeGridIterator iterator;
outputHTG->InitializeTreeIterator(iterator);
vtkNew<vtkHyperTreeGridNonOrientedGeometryCursor> outCursor;
while (iterator.GetNextTree(index))
{
if (this->CheckAbort())
{
break;
}
outputHTG->InitializeNonOrientedGeometryCursor(outCursor, index);
this->ProcessNode(outCursor, type, outputHTG->GetCellData());
}
// Append all field arrays to the output
for (const auto& [key, field] : this->Fields)
{
if (field.valid && field.strategy->GetArrayType() == type)
{
vtkDataArray* resultArray = field.strategy->GetAndFinalizeArray();
if (type == vtkDataObject::AttributeTypes::CELL)
{
outputHTG->GetCellData()->AddArray(resultArray);
}
else if (type == vtkDataObject::AttributeTypes::FIELD)
{
outputHTG->GetFieldData()->AddArray(resultArray);
}
}
}
}
//------------------------------------------------------------------------------
int vtkHyperTreeGridGenerateFields::ProcessTrees(vtkHyperTreeGrid* input, vtkDataObject* outputDO)
{
vtkHyperTreeGrid* outputHTG = vtkHyperTreeGrid::SafeDownCast(outputDO);
if (outputHTG == nullptr)
{
vtkErrorMacro(
"Incorrect type of output: " << outputDO->GetClassName() << ". Expected vtkHyperTreeGrid");
return 0;
}
outputHTG->ShallowCopy(input);
this->ProcessFields(outputHTG, input, vtkDataObject::AttributeTypes::CELL);
this->ProcessFields(outputHTG, input, vtkDataObject::AttributeTypes::FIELD);
this->UpdateProgress(1.);
return 1;
}
//------------------------------------------------------------------------------
void vtkHyperTreeGridGenerateFields::ProcessNode(vtkHyperTreeGridNonOrientedGeometryCursor* cursor,
const vtkDataObject::AttributeTypes type, vtkCellData* outputCellData)
{
for (const auto& [key, field] : this->Fields)
{
if (field.valid && field.strategy->GetArrayType() == type)
{
if (type == vtkDataObject::AttributeTypes::CELL)
{
field.strategy->Compute(cursor);
}
else if (type == vtkDataObject::AttributeTypes::FIELD)
{
field.strategy->Compute(cursor, outputCellData, this->Fields);
}
}
}
// `IsLeaf` result can depend on whether a depth limiter has been applied on the tree.
if (cursor->IsLeaf())
{
return;
}
if (cursor->IsMasked())
{
return; // Masked cells' children are automatically invalid
}
for (unsigned int childId = 0; childId < cursor->GetNumberOfChildren(); ++childId)
{
cursor->ToChild(childId);
this->ProcessNode(cursor, type, outputCellData);
cursor->ToParent();
}
}
VTK_ABI_NAMESPACE_END
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