dox/Graphics/vtkAssignAttribute.h

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

  Program:   Visualization Toolkit
  Module:    vtkAssignAttribute.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 __vtkAssignAttribute_h
#define __vtkAssignAttribute_h

#include "vtkPassInputTypeAlgorithm.h"

#include "vtkDataSetAttributes.h" // Needed for NUM_ATTRIBUTES

class vtkFieldData;

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

  static vtkAssignAttribute *New();

  void Assign(int inputAttributeType, int attributeType, int attributeLoc);

  void Assign(const char* fieldName, int attributeType, int attributeLoc);


  void Assign(const char* name, const char* attributeType, 
              const char* attributeLoc);


//BTX
  // Always keep NUM_ATTRIBUTE_LOCS as the last entry
  enum AttributeLocation
  {
    POINT_DATA=0,
    CELL_DATA=1,
    VERTEX_DATA=2,
    EDGE_DATA=3,
    NUM_ATTRIBUTE_LOCS
  };
//ETX

protected:

//BTX
  enum FieldType
  {
    NAME,
    ATTRIBUTE
  };
//ETX

  vtkAssignAttribute();
  virtual ~vtkAssignAttribute();

  int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  int FillInputPortInformation(int, vtkInformation *);

  char* FieldName;
  int FieldTypeAssignment;
  int AttributeType;
  int InputAttributeType;
  int AttributeLocationAssignment;

  static char AttributeLocationNames[vtkAssignAttribute::NUM_ATTRIBUTE_LOCS][12];
  static char AttributeNames[vtkDataSetAttributes::NUM_ATTRIBUTES][20];
private:
  vtkAssignAttribute(const vtkAssignAttribute&);  // Not implemented.
  void operator=(const vtkAssignAttribute&);  // Not implemented.
};

#endif