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127 lines
4.0 KiB
C++
127 lines
4.0 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) 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) 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) 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) 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, vtkPoints* outPts, vtkDataArray* inNms,
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vtkDataArray* outNms, vtkDataArray* inVrs, vtkDataArray* outVrs, int nOptionalVectors = 0,
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vtkDataArray** inVrsArr = nullptr, vtkDataArray** outVrsArr = nullptr) 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() 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]) override;
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void InternalTransformPoint(const double in[3], double out[3]) 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]) override;
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void InternalTransformNormal(const double in[3], double out[3]) 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]) override;
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void InternalTransformVector(const double in[3], double out[3]) 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(
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const float in[3], float out[3], float derivative[3][3]) override;
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void InternalTransformDerivative(
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const double in[3], double out[3], double derivative[3][3]) 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() override;
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protected:
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vtkIdentityTransform();
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~vtkIdentityTransform() override;
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void InternalDeepCopy(vtkAbstractTransform* t) override;
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private:
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vtkIdentityTransform(const vtkIdentityTransform&) = delete;
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void operator=(const vtkIdentityTransform&) = delete;
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};
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#endif
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