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				| /*=========================================================================
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| 
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|   Program:   Visualization Toolkit
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|   Module:    $RCSfile: vtkLinearTransform.h,v $
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| 
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|   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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|   All rights reserved.
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|   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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| 
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|      This software is distributed WITHOUT ANY WARRANTY; without even
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|      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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|      PURPOSE.  See the above copyright notice for more information.
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| 
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| =========================================================================*/
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| // .NAME vtkLinearTransform - abstract superclass for linear transformations
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| // .SECTION Description
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| // vtkLinearTransform provides a generic interface for linear 
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| // (affine or 12 degree-of-freedom) geometric transformations. 
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| // .SECTION see also
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| // vtkTransform vtkIdentityTransform 
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| 
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| 
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| #ifndef __vtkLinearTransform_h
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| #define __vtkLinearTransform_h
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| 
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| #include "vtkHomogeneousTransform.h"
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| 
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| class VTK_COMMON_EXPORT vtkLinearTransform : public vtkHomogeneousTransform
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| {
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| public:
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| 
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|   vtkTypeRevisionMacro(vtkLinearTransform,vtkHomogeneousTransform);
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|   void PrintSelf(ostream& os, vtkIndent indent);
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| 
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|   // Description:
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|   // Apply the transformation to a normal.
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|   // You can use the same array to store both the input and output.
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|   void TransformNormal(const float in[3], float out[3]) {
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|     this->Update(); this->InternalTransformNormal(in,out); };
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| 
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|   // Description:
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|   // Apply the transformation to a double-precision normal.
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|   // You can use the same array to store both the input and output.
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|   void TransformNormal(const double in[3], double out[3]) {
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|     this->Update(); this->InternalTransformNormal(in,out); };
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| 
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|   // Description:
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|   // Synonymous with TransformDoubleNormal(x,y,z).
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|   // Use this if you are programming in python, tcl or Java.
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|   double *TransformNormal(double x, double y, double z) {
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|     return this->TransformDoubleNormal(x,y,z); }
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|   double *TransformNormal(const double normal[3]) {
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|     return this->TransformDoubleNormal(normal[0],normal[1],normal[2]); };
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| 
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|   // Description:
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|   // Apply the transformation to an (x,y,z) normal.
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|   // Use this if you are programming in python, tcl or Java.
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|   float *TransformFloatNormal(float x, float y, float z) {
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|     this->InternalFloatPoint[0] = x;
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|     this->InternalFloatPoint[1] = y;
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|     this->InternalFloatPoint[2] = z;
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|     this->TransformNormal(this->InternalFloatPoint,this->InternalFloatPoint);
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|     return this->InternalFloatPoint; };
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|   float *TransformFloatNormal(const float normal[3]) {
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|     return this->TransformFloatNormal(normal[0],normal[1],normal[2]); };
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| 
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|   // Description:
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|   // Apply the transformation to a double-precision (x,y,z) normal.
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|   // Use this if you are programming in python, tcl or Java.
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|   double *TransformDoubleNormal(double x, double y, double z) {
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|     this->InternalDoublePoint[0] = x;
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|     this->InternalDoublePoint[1] = y;
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|     this->InternalDoublePoint[2] = z;
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|     this->TransformNormal(this->InternalDoublePoint,this->InternalDoublePoint);
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|     return this->InternalDoublePoint; };
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|   double *TransformDoubleNormal(const double normal[3]) {
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|     return this->TransformDoubleNormal(normal[0],normal[1],normal[2]); };
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| 
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|   // Description:
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|   // Synonymous with TransformDoubleVector(x,y,z).
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|   // Use this if you are programming in python, tcl or Java.
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|   double *TransformVector(double x, double y, double z) {
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|     return this->TransformDoubleVector(x,y,z); }
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|   double *TransformVector(const double normal[3]) {
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|     return this->TransformDoubleVector(normal[0],normal[1],normal[2]); };
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| 
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|   // Description:
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|   // Apply the transformation to a vector.
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|   // You can use the same array to store both the input and output.
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|   void TransformVector(const float in[3], float out[3]) {
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|     this->Update(); this->InternalTransformVector(in,out); };
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| 
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|   // Description:
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|   // Apply the transformation to a double-precision vector.
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|   // You can use the same array to store both the input and output.
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|   void TransformVector(const double in[3], double out[3]) {
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|     this->Update(); this->InternalTransformVector(in,out); };
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| 
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|   // Description:
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|   // Apply the transformation to an (x,y,z) vector.
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|   // Use this if you are programming in python, tcl or Java.
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|   float *TransformFloatVector(float x, float y, float z) {
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|       this->InternalFloatPoint[0] = x;
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|       this->InternalFloatPoint[1] = y;
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|       this->InternalFloatPoint[2] = z;
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|       this->TransformVector(this->InternalFloatPoint,this->InternalFloatPoint);
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|       return this->InternalFloatPoint; };
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|   float *TransformFloatVector(const float vec[3]) {
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|     return this->TransformFloatVector(vec[0],vec[1],vec[2]); };
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| 
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|   // Description:
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|   // Apply the transformation to a double-precision (x,y,z) vector.
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|   // Use this if you are programming in python, tcl or Java.
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|   double *TransformDoubleVector(double x, double y, double z) {
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|     this->InternalDoublePoint[0] = x;
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|     this->InternalDoublePoint[1] = y;
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|     this->InternalDoublePoint[2] = z;
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|     this->TransformVector(this->InternalDoublePoint,this->InternalDoublePoint);
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|     return this->InternalDoublePoint; };
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|   double *TransformDoubleVector(const double vec[3]) {
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|     return this->TransformDoubleVector(vec[0],vec[1],vec[2]); };
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| 
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|   // Description:
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|   // Apply the transformation to a series of points, and append the
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|   // results to outPts.  
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|   void TransformPoints(vtkPoints *inPts, vtkPoints *outPts);
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| 
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|   // Description:
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|   // Apply the transformation to a series of normals, and append the
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|   // results to outNms.  
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|   virtual void TransformNormals(vtkDataArray *inNms, vtkDataArray *outNms);
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| 
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|   // Description:
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|   // Apply the transformation to a series of vectors, and append the
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|   // results to outVrs.  
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|   virtual void TransformVectors(vtkDataArray *inVrs, vtkDataArray *outVrs);
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| 
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|   // Description:
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|   // Apply the transformation to a combination of points, normals
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|   // and vectors.  
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|   void TransformPointsNormalsVectors(vtkPoints *inPts, 
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|                                      vtkPoints *outPts, 
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|                                      vtkDataArray *inNms, 
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|                                      vtkDataArray *outNms,
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|                                      vtkDataArray *inVrs, 
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|                                      vtkDataArray *outVrs);
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| 
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|   // Description:
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|   // Just like GetInverse, but it includes a typecast to 
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|   // vtkLinearTransform.
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|   vtkLinearTransform *GetLinearInverse() { 
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|     return (vtkLinearTransform *)this->GetInverse(); }; 
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| 
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|   // Description:
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|   // This will calculate the transformation without calling Update.
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|   // Meant for use only within other VTK classes.
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|   void InternalTransformPoint(const float in[3], float out[3]);
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|   void InternalTransformPoint(const double in[3], double out[3]);
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| 
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|   // Description:
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|   // This will calculate the transformation without calling Update.
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|   // Meant for use only within other VTK classes.
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|   virtual void InternalTransformNormal(const float in[3], float out[3]);
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|   virtual void InternalTransformNormal(const double in[3], double out[3]);
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| 
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|   // Description:
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|   // This will calculate the transformation without calling Update.
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|   // Meant for use only within other VTK classes.
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|   virtual void InternalTransformVector(const float in[3], float out[3]);
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|   virtual void InternalTransformVector(const double in[3], double out[3]);
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| 
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|   // Description:
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|   // This will calculate the transformation as well as its derivative
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|   // without calling Update.  Meant for use only within other VTK
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|   // classes.
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|   void InternalTransformDerivative(const float in[3], float out[3],
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|                                    float derivative[3][3]);
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|   void InternalTransformDerivative(const double in[3], double out[3],
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|                                    double derivative[3][3]);
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| 
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| protected:
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|   vtkLinearTransform() {};
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|   ~vtkLinearTransform() {};
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| private:
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|   vtkLinearTransform(const vtkLinearTransform&);  // Not implemented.
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|   void operator=(const vtkLinearTransform&);  // Not implemented.
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| };
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| 
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| #endif
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| 
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