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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkAssignAttribute.h,v $
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.
=========================================================================*/
// .NAME vtkAssignAttribute - Labels a field as an attribute
// .SECTION Description
// vtkAssignAttribute is use to label a field (vtkDataArray) as an attribute.
// A field name or an attribute to labeled can be specified. For example:
// @verbatim
// aa->Assign("foo", vtkDataSetAttributes::SCALARS,
// vtkAssignAttribute::POINT_DATA);
// @endverbatim
// tells vtkAssignAttribute to make the array in the point data called
// "foo" the active scalars. On the other hand,
// @verbatim
// aa->Assign(vtkDataSetAttributes::VECTORS, vtkDataSetAttributes::SCALARS,
// vtkAssignAttribute::POINT_DATA);
// @endverbatim
// tells vtkAssignAttribute to make the active vectors also the active
// scalars. The same can be done more easily from Tcl by using the Assign()
// method which takes strings:
// @verbatim
// aa Assign "foo" SCALARS POINT_DATA
// or
// aa Assign SCALARS VECTORS POINT_DATA
//
// AttributeTypes: SCALARS, VECTORS, NORMALS, TCOORDS, TENSORS
// Attribute locations: POINT_DATA, CELL_DATA
// @endverbatim
// .SECTION Caveats
// When using Tcl, Java, Python or Visual Basic bindings, the array name
// can not be one of the AttributeTypes when calling Assign() which takes
// strings as arguments. The Tcl (Java etc.) command will
// always assume the string corresponds to an attribute type when
// the argument is one of the AttributeTypes. In this situation,
// use the Assign() which takes enums.
// .SECTION See Also
// vtkFieldData vtkDataSet vtkDataObjectToDataSetFilter
// vtkDataSetAttributes vtkDataArray vtkRearrangeFields
// vtkSplitField vtkMergeFields
#ifndef __vtkAssignAttribute_h
#define __vtkAssignAttribute_h
#include "vtkDataSetAlgorithm.h"
#include "vtkDataSetAttributes.h" // Needed for NUM_ATTRIBUTES
class vtkFieldData;
class VTK_GRAPHICS_EXPORT vtkAssignAttribute : public vtkDataSetAlgorithm
{
public:
vtkTypeRevisionMacro(vtkAssignAttribute,vtkDataSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Create a new vtkAssignAttribute.
static vtkAssignAttribute *New();
// Description:
// Label an attribute as another attribute.
void Assign(int inputAttributeType, int attributeType, int attributeLoc);
// Description:
// Label an array as an attribute.
void Assign(const char* fieldName, int attributeType, int attributeLoc);
// Description:
// Helper method used by other language bindings. Allows the caller to
// specify arguments as strings instead of enums.
void Assign(const char* name, const char* attributeType,
const char* attributeLoc);
//BTX
enum AttributeLocation
{
POINT_DATA=0,
CELL_DATA=1
};
//ETX
protected:
//BTX
enum FieldType
{
NAME,
ATTRIBUTE
};
//ETX
vtkAssignAttribute();
virtual ~vtkAssignAttribute();
int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
char* FieldName;
int FieldType;
int AttributeType;
int InputAttributeType;
int AttributeLocation;
static char AttributeLocationNames[2][12];
static char AttributeNames[vtkDataSetAttributes::NUM_ATTRIBUTES][10];
private:
vtkAssignAttribute(const vtkAssignAttribute&); // Not implemented.
void operator=(const vtkAssignAttribute&); // Not implemented.
};
#endif
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