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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkCellGridRangeQuery.h"
#include "vtkBoundingBox.h"
#include "vtkCellGrid.h"
#include "vtkMath.h"
#include "vtkObjectFactory.h"
#include <algorithm>
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkCellGridRangeQuery);
vtkCxxSetObjectMacro(vtkCellGridRangeQuery, CellGrid, vtkCellGrid);
vtkCellGridRangeQuery::~vtkCellGridRangeQuery()
{
this->SetCellAttribute(nullptr);
this->SetCellGrid(nullptr);
}
void vtkCellGridRangeQuery::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Component: " << this->Component << "\n";
os << indent << "FiniteRange: " << (this->FiniteRange ? "ON" : "OFF") << "\n";
os << indent << "CellGrid: " << this->CellGrid << "\n";
os << indent << "CellAttribute: " << this->CellAttribute << "\n";
os << indent << "Ranges:\n";
vtkIndent i2 = indent.GetNextIndent();
int cc = -2;
for (const auto& range : this->Ranges)
{
os << i2;
if (cc == -2)
{
os << "L₂-norm";
}
else if (cc == -1)
{
os << "L₁-norm";
}
else
{
os << "Component " << cc;
}
os << ": " << range[0] << " " << range[1] << "\n";
++cc;
}
}
bool vtkCellGridRangeQuery::Initialize()
{
bool ok = this->Superclass::Initialize();
if (!this->CellAttribute)
{
vtkErrorMacro("No attribute provided for range computation.");
return false;
}
// Allocate space for all components plus L₁ and L₂ norms.
this->Ranges.resize(this->CellAttribute->GetNumberOfComponents() + 2);
// Invalidate the range each time we run.
for (auto& range : this->Ranges)
{
range[0] = vtkMath::Inf();
range[1] = -vtkMath::Inf();
}
return ok;
}
bool vtkCellGridRangeQuery::Finalize()
{
if (this->CellGrid && this->CellAttribute)
{
// Always overwrite the requested component:
if (this->FiniteRange)
{
this->CellGrid->GetRangeCache()[this->CellAttribute][this->Component + 2].FiniteRange =
this->Ranges[this->Component + 2];
this->CellGrid->GetRangeCache()[this->CellAttribute][this->Component + 2]
.FiniteRangeTime.Modified();
}
else
{
this->CellGrid->GetRangeCache()[this->CellAttribute][this->Component + 2].EntireRange =
this->Ranges[this->Component + 2];
this->CellGrid->GetRangeCache()[this->CellAttribute][this->Component + 2]
.EntireRangeTime.Modified();
}
// If any other components have a valid range, copy them as well.
// (Some range responders may choose to process all components of an array
// at once instead of individually.)
int cc = -2;
for (auto& range : this->Ranges)
{
if (range[1] >= range[0])
{
if (this->FiniteRange)
{
this->CellGrid->GetRangeCache()[this->CellAttribute][cc + 2].FiniteRange = range;
this->CellGrid->GetRangeCache()[this->CellAttribute][cc + 2].FiniteRangeTime.Modified();
}
else
{
this->CellGrid->GetRangeCache()[this->CellAttribute][cc + 2].EntireRange = range;
this->CellGrid->GetRangeCache()[this->CellAttribute][cc + 2].EntireRangeTime.Modified();
}
}
++cc;
}
}
return true;
}
void vtkCellGridRangeQuery::GetRange(int component, double* bds)
{
if (!bds)
{
return;
}
if (component < -2 || component >= this->CellAttribute->GetNumberOfComponents())
{
// Provide an invalid range.
bds[0] = 1;
bds[1] = 0;
return;
}
std::copy(this->Ranges[component].begin(), this->Ranges[component].end(), bds);
}
const std::array<double, 2>& vtkCellGridRangeQuery::GetRange(int component) const
{
static const std::array<double, 2> invalid{ 1, 0 };
if (component < -2 || component >= this->CellAttribute->GetNumberOfComponents())
{
return invalid;
}
return this->Ranges[component + 2];
}
void vtkCellGridRangeQuery::AddRange(const std::array<double, 2>& range)
{
this->AddRange(this->Component, range);
}
void vtkCellGridRangeQuery::AddRange(int component, const std::array<double, 2>& range)
{
// Ignore invalid ranges:
if (range[1] < range[0])
{
return;
}
// Ignore invalid components:
if (component < -2 || component >= this->CellAttribute->GetNumberOfComponents())
{
return;
}
// If this->Range is invalid, just copy the \a range.
if (this->Ranges[component + 2][1] < this->Ranges[component + 2][0])
{
this->Ranges[component + 2] = range;
return;
}
if (this->Ranges[component + 2][0] > range[0])
{
this->Ranges[component + 2][0] = range[0];
}
if (this->Ranges[component + 2][1] < range[1])
{
this->Ranges[component + 2][1] = range[1];
}
}
VTK_ABI_NAMESPACE_END
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