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graphics/vtkGlyph3D.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkGlyph3D.h,v $
  Language:  C++


Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
#ifndef __vtkGlyph3D_h
#define __vtkGlyph3D_h

#include "vtkDataSetToPolyDataFilter.h"

#define VTK_SCALE_BY_SCALAR 0
#define VTK_SCALE_BY_VECTOR 1
#define VTK_SCALE_BY_VECTORCOMPONENTS 2
#define VTK_DATA_SCALING_OFF 3

#define VTK_COLOR_BY_SCALE  0
#define VTK_COLOR_BY_SCALAR 1
#define VTK_COLOR_BY_VECTOR 2

#define VTK_USE_VECTOR 0
#define VTK_USE_NORMAL 1
#define VTK_VECTOR_ROTATION_OFF 2

#define VTK_INDEXING_OFF 0
#define VTK_INDEXING_BY_SCALAR 1
#define VTK_INDEXING_BY_VECTOR 2

class VTK_EXPORT vtkGlyph3D : public vtkDataSetToPolyDataFilter
{
public:
  vtkTypeMacro(vtkGlyph3D,vtkDataSetToPolyDataFilter);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkGlyph3D *New();

  void SetNumberOfSources(int num);
  int GetNumberOfSources();

  void SetSource(vtkPolyData *pd) {this->SetSource(0,pd);};

  void SetSource(int id, vtkPolyData *pd);

  vtkPolyData *GetSource(int id=0);

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

  vtkSetMacro(ScaleMode,int);
  vtkGetMacro(ScaleMode,int);
  void SetScaleModeToScaleByScalar() 
    {this->SetScaleMode(VTK_SCALE_BY_SCALAR);};
  void SetScaleModeToScaleByVector() 
    {this->SetScaleMode(VTK_SCALE_BY_VECTOR);};
  void SetScaleModeToScaleByVectorComponents()
    {this->SetScaleMode(VTK_SCALE_BY_VECTORCOMPONENTS);};
  void SetScaleModeToDataScalingOff()
    {this->SetScaleMode(VTK_DATA_SCALING_OFF);};
  const char *GetScaleModeAsString();

  vtkSetMacro(ColorMode,int);
  vtkGetMacro(ColorMode,int);
  void SetColorModeToColorByScale() 
    {this->SetColorMode(VTK_COLOR_BY_SCALE);};
  void SetColorModeToColorByScalar() 
    {this->SetColorMode(VTK_COLOR_BY_SCALAR);};
  void SetColorModeToColorByVector() 
    {this->SetColorMode(VTK_COLOR_BY_VECTOR);};
  const char *GetColorModeAsString();

  vtkSetMacro(ScaleFactor,float);
  vtkGetMacro(ScaleFactor,float);

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

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

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

  vtkSetMacro(VectorMode,int);
  vtkGetMacro(VectorMode,int);
  void SetVectorModeToUseVector() {this->SetVectorMode(VTK_USE_VECTOR);};
  void SetVectorModeToUseNormal() {this->SetVectorMode(VTK_USE_NORMAL);};
  void SetVectorModeToVectorRotationOff() 
    {this->SetVectorMode(VTK_VECTOR_ROTATION_OFF);};
  const char *GetVectorModeAsString();

  vtkSetMacro(IndexMode,int);
  vtkGetMacro(IndexMode,int);
  void SetIndexModeToScalar() {this->SetIndexMode(VTK_INDEXING_BY_SCALAR);};
  void SetIndexModeToVector() {this->SetIndexMode(VTK_INDEXING_BY_VECTOR);};
  void SetIndexModeToOff() {this->SetIndexMode(VTK_INDEXING_OFF);};
  const char *GetIndexModeAsString();

protected:
  vtkGlyph3D();
  ~vtkGlyph3D();
  vtkGlyph3D(const vtkGlyph3D&) {};
  void operator=(const vtkGlyph3D&) {};

  void Execute();
  void ExecuteInformation();
  void ComputeInputUpdateExtents(vtkDataObject *output);

  int NumberOfSources; // Number of source objects
  vtkPolyData **Source; // Geometry to copy to each point
  int Scaling; // Determine whether scaling of geometry is performed
  int ScaleMode; // Scale by scalar value or vector magnitude
  int ColorMode; // new scalars based on scale, scalar or vector
  float ScaleFactor; // Scale factor to use to scale geometry
  float Range[2]; // Range to use to perform scalar scaling
  int Orient; // boolean controls whether to "orient" data
  int VectorMode; // Orient/scale via normal or via vector data
  int Clamping; // whether to clamp scale factor
  int IndexMode; // what to use to index into glyph table
};

inline const char *vtkGlyph3D::GetScaleModeAsString(void)
{
  if ( this->ScaleMode == VTK_SCALE_BY_SCALAR )
    {
    return "ScaleByScalar";
    }
  else if ( this->ScaleMode == VTK_SCALE_BY_VECTOR ) 
    {
    return "ScaleByVector";
    }
  else 
    {
    return "DataScalingOff";
    }
}

inline const char *vtkGlyph3D::GetColorModeAsString(void)
{
  if ( this->ColorMode == VTK_COLOR_BY_SCALAR )
    {
    return "ColorByScalar";
    }
  else if ( this->ColorMode == VTK_COLOR_BY_VECTOR ) 
    {
    return "ColorByVector";
    }
  else 
    {
    return "ColorByScale";
    }
}

inline const char *vtkGlyph3D::GetVectorModeAsString(void)
{
  if ( this->VectorMode == VTK_USE_VECTOR) 
    {
    return "UseVector";
    }
  else if ( this->VectorMode == VTK_USE_NORMAL) 
    {
    return "UseNormal";
    }
  else 
    {
    return "VectorRotationOff";
    }
}

inline const char *vtkGlyph3D::GetIndexModeAsString(void)
{
  if ( this->IndexMode == VTK_INDEXING_OFF) 
    {
    return "IndexingOff";
    }
  else if ( this->IndexMode == VTK_INDEXING_BY_SCALAR) 
    {
    return "IndexingByScalar";
    }
  else 
    {
    return "IndexingByVector";
    }
}

#endif

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