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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
221 lines
6.4 KiB
C++
221 lines
6.4 KiB
C++
// Created on: 1995-07-24
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// Created by: Modelistation
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// Copyright (c) 1995-1999 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 <StdPrs_WFDeflectionSurface.ixx>
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#include <Graphic3d_Group.hxx>
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#include <GeomAbs_IsoType.hxx>
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#include <Prs3d_IsoAspect.hxx>
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#include <Bnd_Box.hxx>
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#include <BndLib_AddSurface.hxx>
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#include <Precision.hxx>
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#include <gp_Pnt.hxx>
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#include <Adaptor3d_IsoCurve.hxx>
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#include <StdPrs_DeflectionCurve.hxx>
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static void FindLimits(const Handle(Adaptor3d_HSurface)& surf ,
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const Standard_Real aLimit,
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Standard_Real& UFirst,
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Standard_Real& ULast,
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Standard_Real& VFirst,
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Standard_Real& VLast)
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{
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UFirst = surf->FirstUParameter();
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ULast = surf->LastUParameter();
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VFirst = surf->FirstVParameter();
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VLast = surf->LastVParameter();
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Standard_Boolean UfirstInf = Precision::IsNegativeInfinite(UFirst);
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Standard_Boolean UlastInf = Precision::IsPositiveInfinite(ULast);
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Standard_Boolean VfirstInf = Precision::IsNegativeInfinite(VFirst);
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Standard_Boolean VlastInf = Precision::IsPositiveInfinite(VLast);
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if (UfirstInf || UlastInf) {
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gp_Pnt P1,P2;
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Standard_Real v;
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if (VfirstInf && VlastInf)
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v = 0;
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else if (VfirstInf)
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v = VLast;
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else if (VlastInf)
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v = VFirst;
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else
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v = (VFirst + VLast) / 2;
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Standard_Real delta = aLimit * 2;
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if (UfirstInf && UlastInf) {
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do {
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delta /= 2;
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UFirst = - delta;
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ULast = delta;
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surf->D0(UFirst,v,P1);
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surf->D0(ULast,v,P2);
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} while (P1.Distance(P2) > aLimit);
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}
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else if (UfirstInf) {
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surf->D0(ULast,v,P2);
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do {
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delta /= 2;
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UFirst = ULast - delta;
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surf->D0(UFirst,v,P1);
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} while (P1.Distance(P2) > aLimit);
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}
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else if (UlastInf) {
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surf->D0(UFirst,v,P1);
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do {
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delta /= 2;
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ULast = UFirst + delta;
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surf->D0(ULast,v,P2);
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} while (P1.Distance(P2) > aLimit);
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}
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}
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if (VfirstInf || VlastInf) {
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gp_Pnt P1,P2;
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Standard_Real u = (UFirst + ULast) /2 ;
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Standard_Real delta = aLimit * 2;
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if (VfirstInf && VlastInf) {
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do {
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delta /= 2;
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VFirst = - delta;
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VLast = delta;
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surf->D0(u,VFirst,P1);
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surf->D0(u,VLast,P2);
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} while (P1.Distance(P2) > aLimit);
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}
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else if (VfirstInf) {
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surf->D0(u,VLast,P2);
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do {
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delta /= 2;
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VFirst = VLast - delta;
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surf->D0(u,VFirst,P1);
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} while (P1.Distance(P2) > aLimit);
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}
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else if (VlastInf) {
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surf->D0(u,VFirst,P1);
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do {
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delta /= 2;
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VLast = VFirst + delta;
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surf->D0(u,VLast,P2);
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} while (P1.Distance(P2) > aLimit);
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}
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}
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}
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//=======================================================================
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//function : Add
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//purpose :
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//=======================================================================
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void StdPrs_WFDeflectionSurface::Add (
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const Handle (Prs3d_Presentation)& aPresentation,
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const Handle(Adaptor3d_HSurface)& aSurface,
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const Handle (Prs3d_Drawer)& aDrawer)
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{
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Standard_Real U1, U2, V1, V2;
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Standard_Real MaxP = aDrawer->MaximalParameterValue();
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FindLimits(aSurface, MaxP, U1, U2, V1, V2);
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Standard_Boolean UClosed = aSurface->IsUClosed();
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Standard_Boolean VClosed = aSurface->IsVClosed();
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Standard_Real TheDeflection;
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Aspect_TypeOfDeflection TOD = aDrawer->TypeOfDeflection();
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if (TOD == Aspect_TOD_RELATIVE) {
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// On calcule la fleche en fonction des min max globaux de la piece:
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Bnd_Box Total;
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BndLib_AddSurface::Add(aSurface->Surface(),U1, U2, V1, V2, 0.,Total);
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Standard_Real m = aDrawer->MaximalChordialDeviation()/
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aDrawer->DeviationCoefficient();
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Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
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Total.Get( aXmin, aYmin, aZmin, aXmax, aYmax, aZmax );
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if ( ! (Total.IsOpenXmin() || Total.IsOpenXmax() ))
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m = Min ( m , Abs (aXmax-aXmin));
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if ( ! (Total.IsOpenYmin() || Total.IsOpenYmax() ))
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m = Min ( m , Abs (aYmax-aYmin));
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if ( ! (Total.IsOpenZmin() || Total.IsOpenZmax() ))
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m = Min ( m , Abs (aZmax-aZmin));
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TheDeflection = m * aDrawer->DeviationCoefficient();
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}
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else
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TheDeflection = aDrawer->MaximalChordialDeviation();
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Adaptor3d_IsoCurve anIso;
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anIso.Load(aSurface);
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// Trace des frontieres.
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// *********************
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//
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if ( !(UClosed && VClosed) ) {
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(Prs3d_Root::CurrentGroup(aPresentation))->SetPrimitivesAspect
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(aDrawer->FreeBoundaryAspect()->Aspect());
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if ( !UClosed )
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{
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anIso.Load(GeomAbs_IsoU,U1,V1,V2);
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StdPrs_DeflectionCurve::Add(aPresentation,anIso,TheDeflection, MaxP);
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anIso.Load(GeomAbs_IsoU,U2,V1,V2);
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StdPrs_DeflectionCurve::Add(aPresentation,anIso,TheDeflection, MaxP);
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}
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if ( !VClosed )
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{
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anIso.Load(GeomAbs_IsoV,V1,U1,U2);
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StdPrs_DeflectionCurve::Add(aPresentation,anIso,TheDeflection, MaxP);
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anIso.Load(GeomAbs_IsoV,V2,U1,U2);
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StdPrs_DeflectionCurve::Add(aPresentation,anIso,TheDeflection, MaxP);
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}
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}
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//
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// Trace des isoparametriques.
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// ***************************
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//
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Standard_Integer fin = aDrawer->UIsoAspect()->Number();
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if ( fin != 0) {
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(Prs3d_Root::CurrentGroup(aPresentation))->SetPrimitivesAspect
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(aDrawer->UIsoAspect()->Aspect());
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Standard_Real du= UClosed ? (U2-U1)/fin : (U2-U1)/(1+fin);
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for (Standard_Integer i=1; i<=fin;i++){
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anIso.Load(GeomAbs_IsoU,U1+du*i,V1,V2);
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StdPrs_DeflectionCurve::Add(aPresentation,anIso,TheDeflection, MaxP);
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}
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}
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fin = aDrawer->VIsoAspect()->Number();
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if ( fin != 0) {
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(Prs3d_Root::CurrentGroup(aPresentation))->SetPrimitivesAspect
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(aDrawer->VIsoAspect()->Aspect());
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Standard_Real dv= VClosed ?(V2-V1)/fin : (V2-V1)/(1+fin);
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for (Standard_Integer i=1; i<=fin;i++){
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anIso.Load(GeomAbs_IsoV,V1+dv*i,U1,U2);
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StdPrs_DeflectionCurve::Add(aPresentation,anIso,TheDeflection, MaxP);
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}
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}
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}
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