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common/vtkTensors.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkTensors.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 __vtkTensors_h
#define __vtkTensors_h

#include "vtkAttributeData.h"
#include "vtkTensor.h"

class vtkIdList;
class vtkTensors;

class VTK_EXPORT vtkTensors : public vtkAttributeData
{
public:
  static vtkTensors *New(int dataType);
  static vtkTensors *New();

  vtkTypeMacro(vtkTensors,vtkAttributeData);
  void PrintSelf(ostream& os, vtkIndent indent);

  vtkAttributeData *MakeObject() 
    {return vtkTensors::New(this->GetDataType());};

  int GetNumberOfTensors() {return this->Data->GetNumberOfTuples();};

  vtkTensor *GetTensor(int id);

  void SetNumberOfTensors(int number);

  void GetTensor(int id, vtkTensor *t);

  void SetTensor(int id, vtkTensor *t);

  void InsertTensor(int id, vtkTensor *t);
  void InsertTensor(int id, float t11, float t12, float t13, 
                    float t21, float t22, float t23, 
                    float t31, float t32, float t33);

  int InsertNextTensor(vtkTensor *t);
  int InsertNextTensor(float t11, float t12, float t13, 
                       float t21, float t22, float t23, 
                       float t31, float t32, float t33);

  void GetTensors(vtkIdList *ptId, vtkTensors *fv);

#ifndef VTK_REMOVE_LEGACY_CODE

  void GetTensors(vtkIdList& ptId, vtkTensors& fv)
    {VTK_LEGACY_METHOD(GetTensors,"3.2"); this->GetTensors(&ptId, &fv);}
  void GetTensor(int id, vtkTensor& t) 
    {VTK_LEGACY_METHOD(GetTensor,"3.2"); this->GetTensor(id, &t);}
#endif
  
protected:
  vtkTensors();
  ~vtkTensors();
  vtkTensors(const vtkTensors&) {};
  void operator=(const vtkTensors&) {};

  vtkTensor *T;

};


inline vtkTensor *vtkTensors::GetTensor(int id)
{
  this->T->T = this->Data->GetTuple(id);
  return this->T;
}

inline void vtkTensors::SetNumberOfTensors(int number)
{
  this->Data->SetNumberOfComponents(9);
  this->Data->SetNumberOfTuples(number);
}

// These include files are placed here so that if Tensors.h is included 
// all other classes necessary for compilation are also included. 
#include "vtkIdList.h"

#endif

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