dox/Graphics/vtkTensorGlyph.h

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

  Program:   Visualization Toolkit
  Module:    vtkTensorGlyph.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 __vtkTensorGlyph_h
#define __vtkTensorGlyph_h

#include "vtkPolyDataAlgorithm.h"

class VTK_GRAPHICS_EXPORT vtkTensorGlyph : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkTensorGlyph,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkTensorGlyph *New();


  void SetSource(vtkPolyData *source);
  vtkPolyData *GetSource();


  void SetSourceConnection(int id, vtkAlgorithmOutput* algOutput);
  void SetSourceConnection(vtkAlgorithmOutput* algOutput)
    {
      this->SetSourceConnection(0, algOutput);
    }


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


  vtkSetMacro(ScaleFactor,double);
  vtkGetMacro(ScaleFactor,double);


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


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


  vtkSetMacro(Length,double);
  vtkGetMacro(Length,double);


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


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

//BTX
  enum
  {
      COLOR_BY_SCALARS,
      COLOR_BY_EIGENVALUES
  };
//ETX


  vtkSetClampMacro(ColorMode, int, COLOR_BY_SCALARS, COLOR_BY_EIGENVALUES);
  vtkGetMacro(ColorMode, int);
  void SetColorModeToScalars()
    {this->SetColorMode(COLOR_BY_SCALARS);};
  void SetColorModeToEigenvalues()
    {this->SetColorMode(COLOR_BY_EIGENVALUES);};  


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


  vtkSetMacro(MaxScaleFactor,double);
  vtkGetMacro(MaxScaleFactor,double);

protected:
  vtkTensorGlyph();
  ~vtkTensorGlyph();

  virtual int RequestUpdateExtent(vtkInformation *,  vtkInformationVector **, vtkInformationVector *);
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);

  int Scaling; // Determine whether scaling of geometry is performed
  double ScaleFactor; // Scale factor to use to scale geometry
  int ExtractEigenvalues; // Boolean controls eigenfunction extraction
  int ColorGlyphs; // Boolean controls coloring with input scalar data
  int ColorMode; // The coloring mode to use for the glyphs.
  int ClampScaling; // Boolean controls whether scaling is clamped.
  double MaxScaleFactor; // Maximum scale factor (ScaleFactor*eigenvalue)
  int ThreeGlyphs; // Boolean controls drawing 1 or 3 glyphs
  int Symmetric; // Boolean controls drawing a "mirror" of each glyph
  double Length; // Distance, in x, from the origin to the end of the glyph
private:
  vtkTensorGlyph(const vtkTensorGlyph&);  // Not implemented.
  void operator=(const vtkTensorGlyph&);  // Not implemented.
};

#endif