vtkClipDataSet.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkClipDataSet.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkClipDataSet_h
#define vtkClipDataSet_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"
 
class vtkCallbackCommand;
class vtkImplicitFunction;
class vtkIncrementalPointLocator;
 
class VTKFILTERSGENERAL_EXPORT vtkClipDataSet : public vtkUnstructuredGridAlgorithm
{
public:
  vtkTypeMacro(vtkClipDataSet, vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkClipDataSet* New();
 
 
  vtkSetMacro(Value, double);
  vtkGetMacro(Value, double);
 
 
  vtkSetMacro(UseValueAsOffset, bool);
  vtkGetMacro(UseValueAsOffset, bool);
  vtkBooleanMacro(UseValueAsOffset, bool);
 
 
  vtkSetMacro(InsideOut, vtkTypeBool);
  vtkGetMacro(InsideOut, vtkTypeBool);
  vtkBooleanMacro(InsideOut, vtkTypeBool);
 
 
  virtual void SetClipFunction(vtkImplicitFunction*);
  vtkGetObjectMacro(ClipFunction, vtkImplicitFunction);
 
 
  vtkSetMacro(GenerateClipScalars, vtkTypeBool);
  vtkGetMacro(GenerateClipScalars, vtkTypeBool);
  vtkBooleanMacro(GenerateClipScalars, vtkTypeBool);
 
 
  vtkSetMacro(GenerateClippedOutput, vtkTypeBool);
  vtkGetMacro(GenerateClippedOutput, vtkTypeBool);
  vtkBooleanMacro(GenerateClippedOutput, vtkTypeBool);
 
 
  vtkSetClampMacro(MergeTolerance, double, 0.0001, 0.25);
  vtkGetMacro(MergeTolerance, double);
 
  vtkUnstructuredGrid* GetClippedOutput();
 
 
  void SetLocator(vtkIncrementalPointLocator* locator);
  vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
 
  void CreateDefaultLocator();
 
  vtkMTimeType GetMTime() override;
 
 
  vtkSetClampMacro(OutputPointsPrecision, int, SINGLE_PRECISION, DEFAULT_PRECISION);
  vtkGetMacro(OutputPointsPrecision, int);
 
protected:
  vtkClipDataSet(vtkImplicitFunction* cf = nullptr);
  ~vtkClipDataSet() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
  vtkImplicitFunction* ClipFunction;
 
  vtkIncrementalPointLocator* Locator;
  vtkTypeBool InsideOut;
  double Value;
  vtkTypeBool GenerateClipScalars;
 
  vtkTypeBool GenerateClippedOutput;
  double MergeTolerance;
 
  // Callback registered with the InternalProgressObserver.
  static void InternalProgressCallbackFunction(vtkObject*, unsigned long, void* clientdata, void*);
  void InternalProgressCallback(vtkAlgorithm* algorithm);
  // The observer to report progress from the internal readers.
  vtkCallbackCommand* InternalProgressObserver;
 
  // helper functions
  void ClipVolume(vtkDataSet* input, vtkUnstructuredGrid* output);
 
  int ClipPoints(
    vtkDataSet* input, vtkUnstructuredGrid* output, vtkInformationVector** inputVector);
 
  bool UseValueAsOffset;
  int OutputPointsPrecision;
 
private:
  vtkClipDataSet(const vtkClipDataSet&) = delete;
  void operator=(const vtkClipDataSet&) = delete;
};
 
#endif