vtkSelectPolyData.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSelectPolyData.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 vtkSelectPolyData_h
#define vtkSelectPolyData_h
 
#include "vtkFiltersModelingModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
#define VTK_INSIDE_SMALLEST_REGION 0
#define VTK_INSIDE_LARGEST_REGION 1
#define VTK_INSIDE_CLOSEST_POINT_REGION 2
 
class vtkCharArray;
class vtkPoints;
class vtkIdList;
 
class VTKFILTERSMODELING_EXPORT vtkSelectPolyData : public vtkPolyDataAlgorithm
{
public:
  static vtkSelectPolyData *New();
 
  vtkTypeMacro(vtkSelectPolyData,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  vtkSetMacro(GenerateSelectionScalars,int);
  vtkGetMacro(GenerateSelectionScalars,int);
  vtkBooleanMacro(GenerateSelectionScalars,int);
 
 
  vtkSetMacro(InsideOut,int);
  vtkGetMacro(InsideOut,int);
  vtkBooleanMacro(InsideOut,int);
 
 
  virtual void SetLoop(vtkPoints*);
  vtkGetObjectMacro(Loop,vtkPoints);
 
 
  vtkSetVector3Macro(ClosestPoint,double);
  vtkGetVector3Macro(ClosestPoint,double);
 
 
  vtkSetClampMacro(SelectionMode,int,
             VTK_INSIDE_SMALLEST_REGION,VTK_INSIDE_CLOSEST_POINT_REGION);
  vtkGetMacro(SelectionMode,int);
  void SetSelectionModeToSmallestRegion()
    {this->SetSelectionMode(VTK_INSIDE_SMALLEST_REGION);};
  void SetSelectionModeToLargestRegion()
    {this->SetSelectionMode(VTK_INSIDE_LARGEST_REGION);};
  void SetSelectionModeToClosestPointRegion()
    {this->SetSelectionMode(VTK_INSIDE_CLOSEST_POINT_REGION);};
  const char *GetSelectionModeAsString();
 
 
  vtkSetMacro(GenerateUnselectedOutput,int);
  vtkGetMacro(GenerateUnselectedOutput,int);
  vtkBooleanMacro(GenerateUnselectedOutput,int);
 
  vtkPolyData *GetUnselectedOutput();
 
  vtkPolyData *GetSelectionEdges();
 
  // Overload GetMTime() because we depend on Loop
  unsigned long int GetMTime();
 
protected:
  vtkSelectPolyData();
  ~vtkSelectPolyData();
 
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
  int GenerateSelectionScalars;
  int InsideOut;
  vtkPoints *Loop;
  int SelectionMode;
  double ClosestPoint[3];
  int GenerateUnselectedOutput;
 
private:
  vtkPolyData *Mesh;
  void GetPointNeighbors (vtkIdType ptId, vtkIdList *nei);
private:
  vtkSelectPolyData(const vtkSelectPolyData&);  // Not implemented.
  void operator=(const vtkSelectPolyData&);  // Not implemented.
};
 
 
inline const char *vtkSelectPolyData::GetSelectionModeAsString(void)
{
  if ( this->SelectionMode == VTK_INSIDE_SMALLEST_REGION )
    {
    return "InsideSmallestRegion";
    }
  else if ( this->SelectionMode == VTK_INSIDE_LARGEST_REGION )
    {
    return "InsideLargestRegion";
    }
  else
    {
    return "InsideClosestPointRegion";
    }
}
 
#endif