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03cca6f742
The usage of *BRepAlgo_Section* has been replaced with the usage of *BRepAlgoAPI_Section* in *BRepProj_Projection* algorithm. The TODO statements have been removed from the failing test case in the "prj" grid as they are working correctly now. The following changes have been made to improve the performance *BRepAlgoAPI_Section*: 1. Revision of the *IntPolyh_Intersection* class to avoid repeated calculation of the deflection of the same triangulation. 2. Small revision of the Edge/Face intersection algorithm to perform Extrema computation on the whole intersection range of the edge instead of discrete ranges. 3. Implementation of the extrema computation for the Circle and Sphere. 4. Correct computation of the parameter of the point on the Circle.
61 lines
2.9 KiB
C++
61 lines
2.9 KiB
C++
// Created by: Eugeny MALTCHIKOV
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// Copyright (c) 2017 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _IntPolyh_Tools_HeaderFile
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#define _IntPolyh_Tools_HeaderFile
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#include <TColStd_Array1OfReal.hxx>
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#include <IntPolyh_ArrayOfPointNormal.hxx>
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class Adaptor3d_HSurface;
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//! The class provides tools for surface sampling.
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class IntPolyh_Tools
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{
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public:
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//! Checks if the surface can be enlarged in U or V direction.
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Standard_EXPORT static void IsEnlargePossible(const Handle(Adaptor3d_HSurface)& theSurf,
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Standard_Boolean& theUEnlarge,
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Standard_Boolean& theVEnlarge);
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//! Makes the sampling of the given surface <theSurf>
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//! making the net of <theNbSU> x <theNbSV> sampling points.
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//! The flag <theEnlargeZone> controls the enlargement of the
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//! sampling zone on the surface.
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//! The parameters of the sampling points are stored into
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//! <theUPars> and <theVPars> arrays.
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Standard_EXPORT static void MakeSampling(const Handle(Adaptor3d_HSurface)& theSurf,
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const Standard_Integer theNbSU,
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const Standard_Integer theNbSV,
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const Standard_Boolean theEnlargeZone,
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TColStd_Array1OfReal& theUPars,
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TColStd_Array1OfReal& theVPars);
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//! Computes the deflection tolerance on the surface for the given sampling.
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Standard_EXPORT static Standard_Real ComputeDeflection(const Handle(Adaptor3d_HSurface)& theSurf,
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const TColStd_Array1OfReal& theUPars,
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const TColStd_Array1OfReal& theVPars);
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//! Fills the array <thePoints> with the points (triangulation nodes) on the surface
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//! and normal directions of the surface in these points.
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Standard_EXPORT static void FillArrayOfPointNormal(const Handle(Adaptor3d_HSurface)& theSurf,
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const TColStd_Array1OfReal& theUPars,
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const TColStd_Array1OfReal& theVPars,
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IntPolyh_ArrayOfPointNormal& thePoints);
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};
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#endif // _IntPolyh_Tools_HeaderFile
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