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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkUniformHyperTreeGridSource.h"
#include "vtkCellData.h"
#include "vtkDataObject.h"
#include "vtkDoubleArray.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkUniformHyperTreeGrid.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkUniformHyperTreeGridSource);
//------------------------------------------------------------------------------
vtkUniformHyperTreeGridSource::vtkUniformHyperTreeGridSource() = default;
//------------------------------------------------------------------------------
vtkUniformHyperTreeGridSource::~vtkUniformHyperTreeGridSource() = default;
//------------------------------------------------------------------------------
void vtkUniformHyperTreeGridSource::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
int vtkUniformHyperTreeGridSource::FillOutputPortInformation(int, vtkInformation* info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkUniformHyperTreeGrid");
return 1;
}
//------------------------------------------------------------------------------
int vtkUniformHyperTreeGridSource::RequestData(
vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector)
{
// Retrieve the output
vtkDataObject* outputDO = vtkDataObject::GetData(outputVector, 0);
vtkUniformHyperTreeGrid* output = vtkUniformHyperTreeGrid::SafeDownCast(outputDO);
if (!output)
{
vtkErrorMacro("pre: output_not_uniformHyperTreeGrid: " << outputDO->GetClassName());
return 0;
}
output->Initialize();
vtkCellData* outData = output->GetCellData();
this->LevelBitsIndexCnt.clear();
this->LevelBitsIndexCnt.push_back(0);
// When using descriptor-based definition, initialize descriptor parsing
if (this->UseDescriptor)
{
// Calculate refined block size
this->BlockSize = this->BranchFactor;
for (unsigned int i = 1; i < this->Dimension; ++i)
{
this->BlockSize *= this->BranchFactor;
}
if (!this->DescriptorBits && !this->InitializeFromStringDescriptor())
{
return 0;
}
else if (this->DescriptorBits && !this->InitializeFromBitsDescriptor())
{
return 0;
}
} // if this->UseDescriptor
// Set straightforward grid parameters
output->SetTransposedRootIndexing(this->TransposedRootIndexing);
output->SetBranchFactor(this->BranchFactor);
// Set parameters that depend on dimension
switch (this->Dimension)
{
case 1:
{
// Set 1D grid size depending on orientation
unsigned int axis = this->Orientation;
unsigned int gs[] = { 1, 1, 1 };
unsigned n = this->Dimensions[axis];
gs[axis] = n;
output->SetDimensions(gs);
// Assign coordinates
switch (axis)
{
case 0:
output->SetGridScale(this->GridScale[axis], 0., 0.);
break;
case 1:
output->SetGridScale(0., this->GridScale[axis], 0.);
break;
case 2:
output->SetGridScale(0., 0., this->GridScale[axis]);
break;
} // switch (axis)
} // case 1
break;
case 2:
{
// Set grid size depending on orientation
unsigned int n[3];
memcpy(n, this->Dimensions, 3 * sizeof(unsigned int));
n[this->Orientation] = 1;
output->SetDimensions(n);
unsigned int axis1 = (this->Orientation + 1) % 3;
unsigned int axis2 = (this->Orientation + 2) % 3;
// Assign coordinates
switch (this->Orientation)
{
case 0:
output->SetGridScale(0., this->GridScale[axis1], this->GridScale[axis2]);
break;
case 1:
output->SetGridScale(this->GridScale[axis2], 0., this->GridScale[axis1]);
break;
case 2:
output->SetGridScale(this->GridScale[axis1], this->GridScale[axis2], 0.);
break;
} // switch (this->Orientation)
} // case 2
break;
case 3:
{
// Set grid size
output->SetDimensions(this->Dimensions);
output->SetGridScale(this->GridScale[0], this->GridScale[1], this->GridScale[2]);
break;
} // case 3
default:
vtkErrorMacro(<< "Unsupported dimension: " << this->Dimension << ".");
return 0;
} // switch (this->Dimension)
// Prepare array of doubles for depth values
vtkNew<vtkDoubleArray> depthArray;
depthArray->SetName("Depth");
depthArray->SetNumberOfComponents(1);
outData->SetScalars(depthArray);
if (this->GenerateInterfaceFields)
{
// Prepare arrays of triples for interface surrogates
vtkNew<vtkDoubleArray> normalsArray;
normalsArray->SetName("Normals");
normalsArray->SetNumberOfComponents(3);
outData->SetVectors(normalsArray);
vtkNew<vtkDoubleArray> interceptsArray;
interceptsArray->SetName("Intercepts");
interceptsArray->SetNumberOfComponents(3);
outData->AddArray(interceptsArray);
}
if (!this->UseDescriptor)
{
// Prepare array of doubles for quadric values
vtkNew<vtkDoubleArray> quadricArray;
quadricArray->SetName("Quadric");
quadricArray->SetNumberOfComponents(1);
outData->AddArray(quadricArray);
}
// Iterate over constituting hypertrees
if (!this->ProcessTrees(nullptr, outputDO))
{
return 0;
}
// Squeeze output data arrays
for (int a = 0; a < outData->GetNumberOfArrays(); ++a)
{
outData->GetArray(a)->Squeeze();
}
this->LevelBitsIndexCnt.clear();
this->LevelBitsIndex.clear();
return 1;
}
VTK_ABI_NAMESPACE_END
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