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Patented/vtkSweptSurface.h

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

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


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

    THIS CLASS IS PATENTED UNDER UNITED STATES PATENT NUMBER 5,542,036
    "Implicit Modeling of Swept Volumes and Swept Surfaces"
    Application of this software for commercial purposes requires 
    a license grant from GE. Contact:

        Carl B. Horton
        Sr. Counsel, Intellectual Property
        3000 N. Grandview Blvd., W-710
        Waukesha, WI  53188
        Phone:  (262) 513-4022
        E-Mail: Carl.Horton@med.ge.com

    for more information.

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 __vtkSweptSurface_h
#define __vtkSweptSurface_h

#include "vtkStructuredPointsToStructuredPointsFilter.h"
#include "vtkTransformCollection.h"

class VTK_PATENTED_EXPORT vtkSweptSurface : public vtkStructuredPointsToStructuredPointsFilter
{
public:
  static vtkSweptSurface *New();
  vtkTypeMacro(vtkSweptSurface,vtkStructuredPointsToStructuredPointsFilter);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetVector3Macro(SampleDimensions,int);
  vtkGetVectorMacro(SampleDimensions,int,3);


  vtkSetObjectMacro(Transforms, vtkTransformCollection);
  vtkGetObjectMacro(Transforms, vtkTransformCollection);


  vtkSetMacro(FillValue,float);
  vtkGetMacro(FillValue,float);


  vtkSetMacro(NumberOfInterpolationSteps,int);
  vtkGetMacro(NumberOfInterpolationSteps,int);


  vtkSetMacro(MaximumNumberOfInterpolationSteps,int);
  vtkGetMacro(MaximumNumberOfInterpolationSteps,int);


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

  vtkSetVectorMacro(ModelBounds,float,6);
  vtkGetVectorMacro(ModelBounds,float,6);
  void SetModelBounds(float xmin, float xmax, float ymin, float ymax, 
                      float zmin, float zmax);


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

  vtkSetClampMacro(AdjustDistance,float,-1.0,1.0);
  vtkGetMacro(AdjustDistance,float);

  //overload to check transformation matrices
  unsigned long int GetMTime();

protected:
  vtkSweptSurface();
  ~vtkSweptSurface();

  void Execute();
  void ExecuteInformation();

  void ComputeBounds(float origin[3], float ar[3], float bbox[24]);
  int ComputeNumberOfSteps(vtkTransform *t1, vtkTransform *t2, float bbox[24]);
  void SampleInput(vtkMatrix4x4 *m, int inDim[3], float inOrigin[3],
                   float inAr[3], vtkDataArray *in, vtkDataArray *out);
  void ComputeFootprint (vtkMatrix4x4 *m, int inDim[3], float inOrigin[3],
                         float inSpacing[3], int Indicies[6]);
  void Cap(vtkDataArray *s);
  void GetRelativePosition(vtkTransform &t, float *origin, float *position);
  vtkMatrix4x4* GetActorMatrixPointer(vtkTransform &t,
                                      float origin[3],
                                     float position[3], float orientation[3]);
  virtual void InterpolateStates(float *pos1, float *pos2, float *euler1, 
                                 float *euler2, float t, float *posOut,
                                 float *eulerOut);

  int SampleDimensions[3];
  float FillValue;
  float ModelBounds[6];
  int NumberOfInterpolationSteps;
  int MaximumNumberOfInterpolationSteps;
  int Capping;
  int AdjustBounds;
  float AdjustDistance;

  vtkTransformCollection *Transforms;

private:
  //used to perform computations
  vtkTransform *T;
private:
  vtkSweptSurface(const vtkSweptSurface&);  // Not implemented.
  void operator=(const vtkSweptSurface&);  // Not implemented.
};

#endif

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