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dox/Common/vtkIdentityTransform.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkIdentityTransform.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00032 #ifndef __vtkIdentityTransform_h
00033 #define __vtkIdentityTransform_h
00034 
00035 #include "vtkLinearTransform.h"
00036 
00037 class VTK_COMMON_EXPORT vtkIdentityTransform : public vtkLinearTransform
00038 {
00039 public:
00040   static vtkIdentityTransform *New();
00041 
00042   vtkTypeRevisionMacro(vtkIdentityTransform,vtkLinearTransform);
00043   void PrintSelf(ostream& os, vtkIndent indent);
00044 
00047   void TransformPoints(vtkPoints *inPts, vtkPoints *outPts);
00048 
00051   void TransformNormals(vtkDataArray *inNms, vtkDataArray *outNms);
00052 
00055   void TransformVectors(vtkDataArray *inVrs, vtkDataArray *outVrs);
00056 
00058 
00060   void TransformPointsNormalsVectors(vtkPoints *inPts, 
00061                                      vtkPoints *outPts, 
00062                                      vtkDataArray *inNms, 
00063                                      vtkDataArray *outNms,
00064                                      vtkDataArray *inVrs, 
00065                                      vtkDataArray *outVrs);
00067 
00068   // Invert the transformation.  This doesn't do anything to the 
00069   // identity transformation.
00070   void Inverse() {};
00071 
00073 
00075   void InternalTransformPoint(const float in[3], float out[3]);
00076   void InternalTransformPoint(const double in[3], double out[3]);
00078 
00080 
00082   void InternalTransformNormal(const float in[3], float out[3]);
00083   void InternalTransformNormal(const double in[3], double out[3]);
00085 
00087 
00089   void InternalTransformVector(const float in[3], float out[3]);
00090   void InternalTransformVector(const double in[3], double out[3]);
00092 
00094 
00096   void InternalTransformDerivative(const float in[3], float out[3],
00097                                    float derivative[3][3]);
00098   void InternalTransformDerivative(const double in[3], double out[3],
00099                                    double derivative[3][3]);
00101 
00104   vtkAbstractTransform *MakeTransform();
00105 
00106 protected:
00107   vtkIdentityTransform();
00108   ~vtkIdentityTransform();
00109 
00110   void InternalDeepCopy(vtkAbstractTransform *t);
00111 
00112 private:
00113   vtkIdentityTransform(const vtkIdentityTransform&);  // Not implemented.
00114   void operator=(const vtkIdentityTransform&);  // Not implemented.
00115 };
00116 
00117 #endif
00118 
00119 
00120 
00121 
00122