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67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkLagrangianParticleTracker.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 vtkBilinearQuadIntersection
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* @brief Class to perform non planar quad intersection
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*
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* Class for non planar quad intersection.
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* This class is an updated and fixed version of the code by Ramsey et al.
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* (http://shaunramsey.com/research/bp/).
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*/
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#ifndef vtkBilinearQuadIntersection_h
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#define vtkBilinearQuadIntersection_h
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#include "vtkCommonComputationalGeometryModule.h" // For export macro
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#include "vtkVector.h"
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class VTKCOMMONCOMPUTATIONALGEOMETRY_EXPORT vtkBilinearQuadIntersection
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{
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public:
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vtkBilinearQuadIntersection(const vtkVector3d& pt00, const vtkVector3d& Pt01,
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const vtkVector3d& Pt10, const vtkVector3d& Pt11);
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vtkBilinearQuadIntersection() = default;
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//@{
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/**
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* Get direct access to the underlying point data
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*/
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double* GetP00Data();
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double* GetP01Data();
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double* GetP10Data();
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double* GetP11Data();
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//}@
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/**
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* Compute cartesian coordinates of point in the quad
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* using parameteric coordinates
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*/
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vtkVector3d ComputeCartesianCoordinates(double u, double v);
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/**
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* Compute the intersection between a ray r->d and the quad
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*/
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bool RayIntersection(const vtkVector3d& r, const vtkVector3d& d, vtkVector3d& uv);
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private:
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vtkVector3d Point00;
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vtkVector3d Point01;
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vtkVector3d Point10;
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vtkVector3d Point11;
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int AxesSwapping = 0;
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};
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#endif // vtkBilinearQuadIntersection_h
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// VTK-HeaderTest-Exclude: vtkBilinearQuadIntersection.h
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