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occt/src/HLRBRep/HLRBRep_SurfaceTool.cxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
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
2015-07-12 07:42:38 +03:00

145 lines
3.5 KiB
C++

// Created by: Laurent BUCHARD
// Copyright (c) 1993-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <Adaptor3d_HCurve.hxx>
#include <Adaptor3d_HSurface.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <Geom_BezierSurface.hxx>
#include <Geom_BSplineSurface.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <HLRBRep_SurfaceTool.hxx>
#include <Standard_NoSuchObject.hxx>
#include <Standard_OutOfRange.hxx>
Standard_Integer HLRBRep_SurfaceTool::NbSamplesU(const Standard_Address S) {
Standard_Integer nbs;
GeomAbs_SurfaceType typS = ((BRepAdaptor_Surface *)S)->GetType();
switch(typS) {
case GeomAbs_Plane:
{
nbs = 2;
}
break;
case GeomAbs_BezierSurface:
{
nbs = 3 + ((BRepAdaptor_Surface *)S)->NbUPoles();
}
break;
case GeomAbs_BSplineSurface:
{
nbs = ((BRepAdaptor_Surface *)S)->NbUKnots();
nbs*= ((BRepAdaptor_Surface *)S)->UDegree();
if(nbs < 2) nbs=2;
}
break;
case GeomAbs_Torus:
{
nbs = 20;
}
break;
case GeomAbs_Cylinder:
case GeomAbs_Cone:
case GeomAbs_Sphere:
case GeomAbs_SurfaceOfRevolution:
case GeomAbs_SurfaceOfExtrusion:
{
nbs = 10;
}
break;
default:
{
nbs = 10;
}
break;
}
return(nbs);
}
Standard_Integer HLRBRep_SurfaceTool::NbSamplesV(const Standard_Address S) {
Standard_Integer nbs;
GeomAbs_SurfaceType typS = ((BRepAdaptor_Surface *)S)->GetType();
switch(typS) {
case GeomAbs_Plane:
{
nbs = 2;
}
break;
case GeomAbs_BezierSurface:
{
nbs = 3 + ((BRepAdaptor_Surface *)S)->NbVPoles();
}
break;
case GeomAbs_BSplineSurface:
{
nbs = ((BRepAdaptor_Surface *)S)->NbVKnots();
nbs*= ((BRepAdaptor_Surface *)S)->VDegree();
if(nbs < 2) nbs=2;
}
break;
case GeomAbs_Cylinder:
case GeomAbs_Cone:
case GeomAbs_Sphere:
case GeomAbs_Torus:
case GeomAbs_SurfaceOfRevolution:
case GeomAbs_SurfaceOfExtrusion:
{
nbs = 15;
}
break;
default:
{
nbs = 10;
}
break;
}
return(nbs);
}
Standard_Integer HLRBRep_SurfaceTool::NbSamplesU(const Standard_Address S,
const Standard_Real u1,
const Standard_Real u2) {
Standard_Integer nbs = NbSamplesU(S);
Standard_Integer n = nbs;
if(nbs>10) {
Standard_Real uf = FirstUParameter(S);
Standard_Real ul = LastUParameter(S);
n*= (Standard_Integer)((u2-u1)/(uf-ul));
if(n>nbs) n = nbs;
if(n<5) n = 5;
}
return(n);
}
Standard_Integer HLRBRep_SurfaceTool::NbSamplesV(const Standard_Address S,
const Standard_Real v1,
const Standard_Real v2) {
Standard_Integer nbs = NbSamplesV(S);
Standard_Integer n = nbs;
if(nbs>10) {
Standard_Real vf = FirstVParameter(S);
Standard_Real vl = LastVParameter(S);
n*= (Standard_Integer)((v2-v1)/(vf-vl));
if(n>nbs) n = nbs;
if(n<5) n = 5;
}
return(n);
}