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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
172 lines
4.0 KiB
C++
172 lines
4.0 KiB
C++
// Created by: Laurent BUCHARD
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 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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#include <Adaptor3d_HCurve.hxx>
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#include <Adaptor3d_HSurface.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#include <Geom_BezierSurface.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <HLRBRep_BSurfaceTool.hxx>
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#include <Standard_NoSuchObject.hxx>
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#include <Standard_OutOfRange.hxx>
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//=======================================================================
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//function : NbSamplesU
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//purpose :
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//=======================================================================
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Standard_Integer
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HLRBRep_BSurfaceTool::NbSamplesU(const BRepAdaptor_Surface& S)
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{
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Standard_Integer nbs;
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GeomAbs_SurfaceType typS = S.GetType();
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switch(typS) {
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case GeomAbs_Plane:
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{
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nbs = 2;
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}
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break;
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case GeomAbs_BezierSurface:
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{
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nbs = 3 + S.NbUPoles();
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}
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break;
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case GeomAbs_BSplineSurface:
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{
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nbs = S.NbUKnots();
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nbs*= S.UDegree();
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if(nbs < 2) nbs=2;
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}
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break;
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case GeomAbs_Torus:
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{
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nbs = 20;
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}
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break;
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case GeomAbs_Cylinder:
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case GeomAbs_Cone:
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case GeomAbs_Sphere:
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case GeomAbs_SurfaceOfRevolution:
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case GeomAbs_SurfaceOfExtrusion:
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{
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nbs = 10;
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}
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break;
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default:
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{
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nbs = 10;
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}
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break;
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}
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return(nbs);
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}
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//=======================================================================
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//function : NbSamplesV
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//purpose :
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//=======================================================================
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Standard_Integer
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HLRBRep_BSurfaceTool::NbSamplesV(const BRepAdaptor_Surface& S)
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{
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Standard_Integer nbs;
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GeomAbs_SurfaceType typS = S.GetType();
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switch(typS) {
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case GeomAbs_Plane:
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{
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nbs = 2;
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}
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break;
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case GeomAbs_BezierSurface:
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{
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nbs = 3 + S.NbVPoles();
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}
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break;
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case GeomAbs_BSplineSurface:
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{
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nbs = S.NbVKnots();
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nbs*= S.VDegree();
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if(nbs < 2) nbs=2;
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}
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break;
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case GeomAbs_Cylinder:
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case GeomAbs_Cone:
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case GeomAbs_Sphere:
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case GeomAbs_Torus:
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case GeomAbs_SurfaceOfRevolution:
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case GeomAbs_SurfaceOfExtrusion:
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{
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nbs = 15;
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}
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break;
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default:
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{
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nbs = 10;
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}
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break;
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}
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return(nbs);
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}
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//=======================================================================
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//function : NbSamplesU
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//purpose :
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//=======================================================================
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Standard_Integer
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HLRBRep_BSurfaceTool::NbSamplesU(const BRepAdaptor_Surface& S,
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const Standard_Real u1,
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const Standard_Real u2)
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{
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Standard_Integer nbs = NbSamplesU(S);
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Standard_Integer n = nbs;
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if(nbs>10) {
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Standard_Real uf = FirstUParameter(S);
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Standard_Real ul = LastUParameter(S);
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n*= (Standard_Integer)((u2-u1)/(uf-ul));
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if(n>nbs) n = nbs;
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if(n<5) n = 5;
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}
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return(n);
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}
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//=======================================================================
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//function : NbSamplesV
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//purpose :
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//=======================================================================
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Standard_Integer
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HLRBRep_BSurfaceTool::NbSamplesV(const BRepAdaptor_Surface& S,
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const Standard_Real v1,
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const Standard_Real v2)
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{
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Standard_Integer nbs = NbSamplesV(S);
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Standard_Integer n = nbs;
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if(nbs>10) {
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Standard_Real vf = FirstVParameter(S);
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Standard_Real vl = LastVParameter(S);
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n*= (Standard_Integer)((v2-v1)/(vf-vl));
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if(n>nbs) n = nbs;
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if(n<5) n = 5;
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}
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return(n);
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}
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