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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkQuantizePolyDataPoints
* @brief quantizes x,y,z coordinates of points
*
* vtkQuantizePolyDataPoints is a subclass of vtkCleanPolyData and
* inherits the functionality of vtkCleanPolyData with the addition that
* it quantizes the point coordinates before inserting into the point list.
* The user should set QFactor to a positive value (0.25 by default) and all
* {x,y,z} coordinates will be quantized to that grain size.
*
* A tolerance of zero is expected, though positive values may be used, the
* quantization will take place before the tolerance is applied.
*
* @warning
* Merging points can alter topology, including introducing non-manifold
* forms. Handling of degenerate cells is controlled by switches in
* vtkCleanPolyData.
*
* @warning
* If you wish to operate on a set of coordinates that has no cells, you must
* add a vtkPolyVertex cell with all of the points to the PolyData
* (or use a vtkVertexGlyphFilter) before using the vtkCleanPolyData filter.
*
* @sa
* vtkCleanPolyData
*/
#ifndef vtkQuantizePolyDataPoints_h
#define vtkQuantizePolyDataPoints_h
#include "vtkCleanPolyData.h"
#include "vtkFiltersGeneralModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class VTKFILTERSGENERAL_EXPORT vtkQuantizePolyDataPoints : public vtkCleanPolyData
{
public:
static vtkQuantizePolyDataPoints* New();
vtkTypeMacro(vtkQuantizePolyDataPoints, vtkCleanPolyData);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Specify quantization grain size. Default is 0.25
*/
vtkSetClampMacro(QFactor, double, 1E-5, VTK_FLOAT_MAX);
vtkGetMacro(QFactor, double);
///@}
/**
* Perform quantization on a point
*/
void OperateOnPoint(double in[3], double out[3]) override;
/**
* Perform quantization on bounds
*/
void OperateOnBounds(double in[6], double out[6]) override;
protected:
vtkQuantizePolyDataPoints();
~vtkQuantizePolyDataPoints() override = default;
double QFactor;
private:
vtkQuantizePolyDataPoints(const vtkQuantizePolyDataPoints&) = delete;
void operator=(const vtkQuantizePolyDataPoints&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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