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77 lines
2.8 KiB
77 lines
2.8 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkCylindricalTransform.h,v $
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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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// .NAME vtkCylindricalTransform - cylindrical to rectangular coords and back
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// .SECTION Description
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// vtkCylindricalTransform will convert (r,theta,z) coordinates to
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// (x,y,z) coordinates and back again. The angles are given in radians.
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// By default, it converts cylindrical coordinates to rectangular, but
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// GetInverse() returns a transform that will do the opposite. The
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// equation that is used is x = r*cos(theta), y = r*sin(theta), z = z.
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// .SECTION Caveats
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// This transform is not well behaved along the line x=y=0 (i.e. along
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// the z-axis)
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// .SECTION see also
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// vtkSphericalTransform vtkGeneralTransform
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#ifndef __vtkCylindricalTransform_h
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#define __vtkCylindricalTransform_h
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#include "vtkWarpTransform.h"
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class VTK_COMMON_EXPORT vtkCylindricalTransform : public vtkWarpTransform
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{
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public:
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static vtkCylindricalTransform *New();
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vtkTypeRevisionMacro(vtkCylindricalTransform,vtkWarpTransform);
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virtual void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Make another transform of the same type.
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vtkAbstractTransform *MakeTransform();
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protected:
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vtkCylindricalTransform();
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~vtkCylindricalTransform();
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// Description:
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// Copy this transform from another of the same type.
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void InternalDeepCopy(vtkAbstractTransform *transform);
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// Description:
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// Internal functions for calculating the transformation.
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void ForwardTransformPoint(const float in[3], float out[3]);
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void ForwardTransformPoint(const double in[3], double out[3]);
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void ForwardTransformDerivative(const float in[3], float out[3],
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float derivative[3][3]);
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void ForwardTransformDerivative(const double in[3], double out[3],
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double derivative[3][3]);
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void InverseTransformPoint(const float in[3], float out[3]);
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void InverseTransformPoint(const double in[3], double out[3]);
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void InverseTransformDerivative(const float in[3], float out[3],
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float derivative[3][3]);
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void InverseTransformDerivative(const double in[3], double out[3],
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double derivative[3][3]);
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private:
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vtkCylindricalTransform(const vtkCylindricalTransform&); // Not implemented.
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void operator=(const vtkCylindricalTransform&); // Not implemented.
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};
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#endif
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