vtkAttributesErrorMetric.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkAttributesErrorMetric_h
#define vtkAttributesErrorMetric_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkGenericSubdivisionErrorMetric.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkGenericAttributeCollection;
class vtkGenericDataSet;
 
class VTKCOMMONDATAMODEL_EXPORT vtkAttributesErrorMetric : public vtkGenericSubdivisionErrorMetric
{
public:
  static vtkAttributesErrorMetric* New();


  vtkTypeMacro(vtkAttributesErrorMetric, vtkGenericSubdivisionErrorMetric);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkGetMacro(AbsoluteAttributeTolerance, double);

  void SetAbsoluteAttributeTolerance(double value);


  vtkGetMacro(AttributeTolerance, double);

  void SetAttributeTolerance(double value);

  int RequiresEdgeSubdivision(
    double* leftPoint, double* midPoint, double* rightPoint, double alpha) override;

  double GetError(double* leftPoint, double* midPoint, double* rightPoint, double alpha) override;
 
protected:
  vtkAttributesErrorMetric();
  ~vtkAttributesErrorMetric() override;

  void ComputeSquareAbsoluteAttributeTolerance();
 
  double AttributeTolerance;
 
  double SquareAbsoluteAttributeTolerance; // cached value computed from
  // AttributeTolerance and active attribute/component
 
  double AbsoluteAttributeTolerance;
  int DefinedByAbsolute;
 
  vtkTimeStamp SquareAbsoluteAttributeToleranceComputeTime;
 
  double Range; // cached value computed from active attribute/component
 
  vtkGenericAttributeCollection* AttributeCollection;
 
private:
  vtkAttributesErrorMetric(const vtkAttributesErrorMetric&) = delete;
  void operator=(const vtkAttributesErrorMetric&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif