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Rendering/vtkPolyDataMapper2D.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkPolyDataMapper2D.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkPolyDataMapper2D_h
#define __vtkPolyDataMapper2D_h


#include "vtkMapper2D.h"

class vtkCoordinate;
class vtkPolyData;
class vtkScalarsToColors;
class vtkUnsignedCharArray;

class VTK_RENDERING_EXPORT vtkPolyDataMapper2D : public vtkMapper2D
{
public:
  vtkTypeRevisionMacro(vtkPolyDataMapper2D,vtkMapper2D);
  static vtkPolyDataMapper2D *New();
  void PrintSelf(ostream& os, vtkIndent indent);
  

  virtual void SetInput(vtkPolyData*);
  vtkGetObjectMacro(Input, vtkPolyData);


  void SetLookupTable(vtkScalarsToColors *lut);
  vtkScalarsToColors *GetLookupTable();

  virtual void CreateDefaultLookupTable();


  vtkSetMacro(ScalarVisibility,int);
  vtkGetMacro(ScalarVisibility,int);
  vtkBooleanMacro(ScalarVisibility,int);


  vtkSetMacro(ColorMode,int);
  vtkGetMacro(ColorMode,int);
  void SetColorModeToDefault();
  void SetColorModeToMapScalars();

  const char *GetColorModeAsString();


  vtkSetMacro(UseLookupTableScalarRange,int);
  vtkGetMacro(UseLookupTableScalarRange,int);
  vtkBooleanMacro(UseLookupTableScalarRange,int);


  vtkSetVector2Macro(ScalarRange,float);
  vtkGetVectorMacro(ScalarRange,float,2);


  vtkSetMacro(ScalarMode,int);
  vtkGetMacro(ScalarMode,int);
  void SetScalarModeToDefault() {
    this->SetScalarMode(VTK_SCALAR_MODE_DEFAULT);};
  void SetScalarModeToUsePointData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_POINT_DATA);};
  void SetScalarModeToUseCellData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_CELL_DATA);};
  void SetScalarModeToUsePointFieldData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_POINT_FIELD_DATA);};
  void SetScalarModeToUseCellFieldData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_CELL_FIELD_DATA);};
  

  void ColorByArrayComponent(int arrayNum, int component);
  void ColorByArrayComponent(char* arrayName, int component);
  

  char* GetArrayName() { return this->ArrayName; }
  int GetArrayId() { return this->ArrayId; }
  int GetArrayAccessMode() { return this->ArrayAccessMode; }
  int GetArrayComponent() { return this->ArrayComponent; }

  virtual unsigned long GetMTime();


  virtual void SetTransformCoordinate(vtkCoordinate*);
  vtkGetObjectMacro(TransformCoordinate, vtkCoordinate);

  vtkUnsignedCharArray *MapScalars(float alpha);
  
  void ShallowCopy(vtkAbstractMapper *m);

protected:
  vtkPolyDataMapper2D();
  ~vtkPolyDataMapper2D();

  vtkPolyData* Input;

  vtkUnsignedCharArray *Colors;

  vtkScalarsToColors *LookupTable;
  int ScalarVisibility;
  vtkTimeStamp BuildTime;
  float ScalarRange[2];
  int UseLookupTableScalarRange;
  int ColorMode;
  int ScalarMode;
  
  vtkCoordinate *TransformCoordinate;

  // for coloring by a component of a field data array
  int ArrayId;
  char ArrayName[256];
  int ArrayComponent;
  int ArrayAccessMode;
private:
  vtkPolyDataMapper2D(const vtkPolyDataMapper2D&);  // Not implemented.
  void operator=(const vtkPolyDataMapper2D&);  // Not implemented.
};


#endif

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