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135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkIdentityTransform.h
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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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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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* @class vtkIdentityTransform
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* @brief a transform that doesn't do anything
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*
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* vtkIdentityTransform is a transformation which will simply pass coordinate
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* data unchanged. All other transform types can also do this, however,
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* the vtkIdentityTransform does so with much greater efficiency.
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* @sa
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* vtkLinearTransform
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*/
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#ifndef vtkIdentityTransform_h
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#define vtkIdentityTransform_h
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#include "vtkCommonTransformsModule.h" // For export macro
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#include "vtkLinearTransform.h"
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class VTKCOMMONTRANSFORMS_EXPORT vtkIdentityTransform : public vtkLinearTransform
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{
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public:
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static vtkIdentityTransform *New();
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vtkTypeMacro(vtkIdentityTransform,vtkLinearTransform);
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void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
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/**
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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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*/
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void TransformPoints(vtkPoints *inPts, vtkPoints *outPts) VTK_OVERRIDE;
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/**
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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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*/
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void TransformNormals(vtkDataArray *inNms, vtkDataArray *outNms) VTK_OVERRIDE;
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/**
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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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*/
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void TransformVectors(vtkDataArray *inVrs, vtkDataArray *outVrs) VTK_OVERRIDE;
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/**
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* Apply the transformation to a combination of points, normals
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* and vectors.
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*/
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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) VTK_OVERRIDE;
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// Invert the transformation. This doesn't do anything to the
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// identity transformation.
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void Inverse() VTK_OVERRIDE {}
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//@{
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/**
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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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*/
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void InternalTransformPoint(const float in[3], float out[3]) VTK_OVERRIDE;
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void InternalTransformPoint(const double in[3], double out[3]) VTK_OVERRIDE;
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//@}
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//@{
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/**
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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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*/
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void InternalTransformNormal(const float in[3], float out[3]) VTK_OVERRIDE;
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void InternalTransformNormal(const double in[3], double out[3]) VTK_OVERRIDE;
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//@}
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//@{
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/**
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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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*/
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void InternalTransformVector(const float in[3], float out[3]) VTK_OVERRIDE;
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void InternalTransformVector(const double in[3], double out[3]) VTK_OVERRIDE;
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//@}
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//@{
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/**
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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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*/
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void InternalTransformDerivative(const float in[3], float out[3],
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float derivative[3][3]) VTK_OVERRIDE;
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void InternalTransformDerivative(const double in[3], double out[3],
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double derivative[3][3]) VTK_OVERRIDE;
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//@}
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/**
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* Make a transform of the same type. This will actually
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* return the same transform.
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*/
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vtkAbstractTransform *MakeTransform() VTK_OVERRIDE;
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protected:
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vtkIdentityTransform();
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~vtkIdentityTransform() VTK_OVERRIDE;
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void InternalDeepCopy(vtkAbstractTransform *t) VTK_OVERRIDE;
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private:
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vtkIdentityTransform(const vtkIdentityTransform&) VTK_DELETE_FUNCTION;
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void operator=(const vtkIdentityTransform&) VTK_DELETE_FUNCTION;
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};
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#endif
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