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148 lines
4.5 KiB
C++
Executable File
148 lines
4.5 KiB
C++
Executable File
// Created on: 1996-11-26
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// Created by: Philippe MANGIN
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <BRepBlend_AppSurface.ixx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <TColgp_Array1OfVec.hxx>
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#include <TColgp_Array1OfVec2d.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <StdFail_NotDone.hxx>
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BRepBlend_AppSurface::BRepBlend_AppSurface(
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Handle(Approx_SweepFunction)& Func,
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const Standard_Real First,
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const Standard_Real Last,
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const Standard_Real Tol3d,
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const Standard_Real Tol2d,
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const Standard_Real TolAngular,
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const GeomAbs_Shape Continuity,
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const Standard_Integer Degmax,
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const Standard_Integer Segmax) :
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approx(Func)
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{
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Standard_Integer Nb2d = Func->Nb2dCurves();
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Standard_Integer NbPolSect, NbKnotSect, udeg;
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GeomAbs_Shape continuity = Continuity;
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// (1) Verification de la possibilite de derivation
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if (continuity != GeomAbs_C0) {
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if (Nb2d == 0) Nb2d =1;
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Func->SectionShape(NbPolSect, NbKnotSect, udeg);
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TColStd_Array1OfReal W (1, NbPolSect);
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TColgp_Array1OfPnt P (1, NbPolSect);
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TColgp_Array1OfPnt2d P2d(1, Nb2d);
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TColgp_Array1OfVec V (1, NbPolSect);
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TColgp_Array1OfVec2d V2d(1, Nb2d);
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Standard_Boolean Ok;
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if (continuity == GeomAbs_C2) {
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Ok = Func->D2( First, First, Last, P, V, V, P2d, V2d, V2d, W, W, W);
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if (!Ok) { continuity = GeomAbs_C1; }
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}
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if (continuity == GeomAbs_C1) {
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Ok = (Func->D1(First, First, Last, P, V, P2d, V2d, W, W));
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if (!Ok) { continuity = GeomAbs_C0; }
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}
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}
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// (2) Approximation
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approx.Perform(First, Last,
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Tol3d, Tol3d, Tol2d, TolAngular,
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continuity, Degmax, Segmax);
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}
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void BRepBlend_AppSurface::SurfShape (Standard_Integer& UDegree,
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Standard_Integer& VDegree,
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Standard_Integer& NbUPoles,
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Standard_Integer& NbVPoles,
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Standard_Integer& NbUKnots,
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Standard_Integer& NbVKnots) const
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{
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approx.SurfShape(UDegree, VDegree,
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NbUPoles, NbVPoles,
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NbUKnots,NbVKnots);
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}
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void BRepBlend_AppSurface::Surface(TColgp_Array2OfPnt& TPoles,
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TColStd_Array2OfReal& TWeights,
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TColStd_Array1OfReal& TUKnots,
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TColStd_Array1OfReal& TVKnots,
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TColStd_Array1OfInteger& TUMults,
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TColStd_Array1OfInteger& TVMults) const
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{
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approx.Surface(TPoles, TWeights, TUKnots,TVKnots, TUMults,TVMults);
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}
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Standard_Real BRepBlend_AppSurface::MaxErrorOnSurf() const
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{
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return approx.MaxErrorOnSurf();
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}
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void BRepBlend_AppSurface::Curves2dShape(Standard_Integer& Degree,
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Standard_Integer& NbPoles,
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Standard_Integer& NbKnots) const
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{
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approx.Curves2dShape( Degree, NbPoles, NbKnots);
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}
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void BRepBlend_AppSurface::Curve2d(const Standard_Integer Index,
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TColgp_Array1OfPnt2d& TPoles,
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TColStd_Array1OfReal& TKnots,
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TColStd_Array1OfInteger& TMults) const
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{
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approx.Curve2d(Index, TPoles, TKnots, TMults);
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}
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Standard_Real BRepBlend_AppSurface::Max2dError(const Standard_Integer Index) const
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{
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return approx.Max2dError(Index);
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}
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Standard_Real BRepBlend_AppSurface::TolCurveOnSurf(const Standard_Integer Index) const
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{
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return approx.TolCurveOnSurf(Index);
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}
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inline void BRepBlend_AppSurface::TolReached (Standard_Real& Tol3d,
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Standard_Real& Tol2d) const
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{
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Tol3d = approx.MaxErrorOnSurf();
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Tol2d = 0;
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for (Standard_Integer ii=1; ii<=approx.NbCurves2d(); ii++) {
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Tol2d = Max(Tol2d, approx.Max2dError(ii));
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}
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}
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void BRepBlend_AppSurface::Dump(Standard_OStream& o) const
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{
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approx.Dump(o);
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}
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