-// File: BRepClass3d_SolidExplorer.cxx
-// Created: Thu Mar 10 14:52:22 1994
-// Author: Laurent BUCHARD
-// <lbr@fuegox>
+// Created on: 1994-03-10
+// Created by: Laurent BUCHARD
+// Copyright (c) 1994-1999 Matra Datavision
+// Copyright (c) 1999-2012 OPEN CASCADE SAS
+//
+// The content of this file is subject to the Open CASCADE Technology Public
+// License Version 6.5 (the "License"). You may not use the content of this file
+// except in compliance with the License. Please obtain a copy of the License
+// at http://www.opencascade.org and read it completely before using this file.
+//
+// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
+// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
+//
+// The Original Code and all software distributed under the License is
+// distributed on an "AS IS" basis, without warranty of any kind, and the
+// Initial Developer hereby disclaims all such warranties, including without
+// limitation, any warranties of merchantability, fitness for a particular
+// purpose or non-infringement. Please see the License for the specific terms
+// and conditions governing the rights and limitations under the License.
+
// Modifed: Porting NT 7-5-97 DPF (stdio.h)
// Apr 16 2002 eap, classification against infinite solid (occ299)
//function : LimitInfiniteUV
//purpose : Limit infinite parameters
//=======================================================================
-
static void LimitInfiniteUV (Standard_Real& U1,
Standard_Real& V1,
Standard_Real& U2,
if (infU2) U2 = 1e10;
if (infV2) V2 = 1e10;
}
-// Modified by skv - Tue Sep 16 13:50:38 2003 OCC578 Begin
-//OCC454(apo)->
-// static Standard_Boolean IsInfiniteUV (Standard_Real& U1, Standard_Real& V1, Standard_Real& U2, Standard_Real& V2) {
-// return (Precision::IsNegativeInfinite(U1) || Precision::IsNegativeInfinite(V1) ||
-// Precision::IsNegativeInfinite(U2) || Precision::IsNegativeInfinite(V2));
-// }
-static Standard_Integer IsInfiniteUV (Standard_Real& U1, Standard_Real& V1,
- Standard_Real& U2, Standard_Real& V2) {
+//=======================================================================
+//function : IsInfiniteUV
+//purpose :
+//=======================================================================
+static Standard_Integer IsInfiniteUV (Standard_Real& U1,
+ Standard_Real& V1,
+ Standard_Real& U2,
+ Standard_Real& V2)
+{
Standard_Integer aVal = 0;
if (Precision::IsInfinite(U1))
// The Second Call provide a line to the second face
// and so on.
//=======================================================================
-//modified by NIZNHY-PKV Thu Nov 14 14:34:05 2002 f
-//void BRepClass3d_SolidExplorer::OtherSegment(const gp_Pnt& P,
-// gp_Lin& L,
-// Standard_Real& _Par)
- Standard_Integer BRepClass3d_SolidExplorer::OtherSegment(const gp_Pnt& P,
- gp_Lin& L,
- Standard_Real& _Par)
-//modified by NIZNHY-PKV Thu Nov 14 14:34:10 2002 t
+Standard_Integer BRepClass3d_SolidExplorer::OtherSegment(const gp_Pnt& P,
+ gp_Lin& L,
+ Standard_Real& _Par)
{
const Standard_Real TolU = Precision::PConfusion();
const Standard_Real TolV = TolU;
TopoDS_Face face;
TopExp_Explorer faceexplorer;
- //TopExp_Explorer edgeexplorer;
gp_Pnt APoint;
gp_Vec aVecD1U, aVecD1V;
Standard_Real maxscal=0;
Standard_Boolean ptfound=Standard_False;
Standard_Real Par;
- //Standard_Integer i=1;
Standard_Real _u,_v;
Standard_Integer IndexPoint=0;
Standard_Integer NbPointsOK=0;
Standard_Integer NbFacesInSolid=0;
- do {
+ for(;;) {
myFirstFace++;
faceexplorer.Init(myShape,TopAbs_FACE);
// look for point on face starting from myFirstFace
//
//avoid process faces from uncorrected shells
if( Abs (U2 - U1) < 1.e-12 || Abs(V2 - V1) < 1.e-12) {
- //modified by NIZNHY-PKV Thu Nov 14 15:03:18 2002 f
- //gp_Vec avoidV(gp_Pnt(0.,0.,0.),gp_Pnt(0.,0.,1.));
- //gp_Lin avoidL(gp_Pnt(0.,0.,0.),avoidV);
- //_Par = RealLast();
- //L = avoidL;
return 2;
- //return ;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:33 2002 t
}
//
Standard_Real svmyparam=myParamOnEdge;
//
- // Modified by skv - Tue Sep 16 13:55:27 2003 OCC578 Begin
// Check if the point is on the face or the face is infinite.
Standard_Integer anInfFlag = IsInfiniteUV(U1,V1,U2,V2);
-// if(IsInfiniteUV(U1,V1,U2,V2)){//OCC454(apo)->
GeomAdaptor_Surface GA(BRep_Tool::Surface(face));
- Extrema_ExtPS Ext(P,GA,TolU,TolV);
+ Extrema_ExtPS Ext(P, GA, TolU, TolV);
+ //
if (Ext.IsDone() && Ext.NbExt() > 0) {
- // evaluate the lower distance and its index;
- Standard_Real Dist2, Dist2Min = Ext.SquareDistance(1);
- Standard_Integer iNear = 1, i = 2, iEnd = Ext.NbExt();
+ Standard_Integer i, iNear, iEnd;
+ Standard_Real aUx, aVx, Dist2, Dist2Min;
+ Extrema_POnSurf aPx;
+ //
+ iNear = 1;
+ Dist2Min = Ext.SquareDistance(1);
+ iEnd = Ext.NbExt();
for (i = 2; i <= iEnd; i++) {
- Dist2 = Ext.SquareDistance(i);
- if (Dist2 < Dist2Min) {
- Dist2Min = Dist2; iNear = i;
+ aPx=Ext.Point(i);
+ aPx.Parameter(aUx, aVx);
+ if (aUx>=U1 && aUx<=U2 && aVx>=V1 && aVx<=V2) {
+ Dist2 = Ext.SquareDistance(i);
+ if (Dist2 < Dist2Min) {
+ Dist2Min = Dist2;
+ iNear = i;
+ }
}
}
- //modified by NIZNHY-PKV Thu Nov 14 12:31:01 2002 f
+ //
Standard_Real aDist2Tresh=1.e-24;
-
+ //
if (Dist2Min<aDist2Tresh) {
if (anInfFlag) {
return 1;
- } else {
+ }
+ else {
BRepClass_FaceClassifier classifier2d;
Standard_Real aU;
Standard_Real aV;
TopAbs_State aState = classifier2d.State();
- if (aState == TopAbs_IN || aState == TopAbs_ON)
+ if (aState == TopAbs_IN || aState == TopAbs_ON) {
return 1;
- else
+ }
+ else {
return 3; // skv - the point is on surface but outside face.
+ }
}
}
- //modified by NIZNHY-PKV Thu Nov 14 12:31:03 2002 t
if (anInfFlag) {
APoint = (Ext.Point(iNear)).Value();
gp_Vec V(P,APoint);
_Par = V.Magnitude();
L = gp_Lin(P,V);
ptfound=Standard_True;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:28 2002 f
- //return ;
return 0;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:33 2002 t
}
- //<-OCC454(apo)
-// }else{
}
//The point is not ON the face or surface. The face is restricted.
// find point in a face not too far from a projection of P on face
- // Modified by skv - Tue Sep 16 15:25:00 2003 OCC578 End
-
do {
if (PointInTheFace (face, APoint, _u, _v, myParamOnEdge, ++IndexPoint, surf,
U1, V1, U2, V2,
myParamOnEdge=svmyparam;
if(maxscal>0.2) {
- //modified by NIZNHY-PKV Thu Nov 14 12:25:28 2002 f
- //return ;
return 0;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:33 2002 t
}
Par= 1.0;
_Par=Par;
L = gp_Lin(P,V);
- //modified by NIZNHY-PKV Thu Nov 14 12:25:28 2002 f
- //return ;
return 0;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:33 2002 t
- //-- cout<<" FindAPoint **** Pas OK "<<endl;
}
}
} //-- Exploration of the faces
#if DEB
cout<<"\nWARNING : BRepClass3d_SolidExplorer.cxx (Solid without face)"<<endl;
#endif
- //modified by NIZNHY-PKV Thu Nov 14 12:25:28 2002 f
- //return ;
return 0;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:33 2002 t
}
if(ptfound) {
- //modified by NIZNHY-PKV Thu Nov 14 12:25:28 2002 f
- //return ;
return 0;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:33 2002 t
}
myFirstFace = 0;
if(myParamOnEdge==0.512345) myParamOnEdge = 0.4;
else if(myParamOnEdge==0.2) myParamOnEdge = 0.8;
else if(myParamOnEdge==0.8) myParamOnEdge = 0.1;
else if(myParamOnEdge==0.1) myParamOnEdge = 0.9;
- else { myParamOnEdge*=0.5; }
-
-
- } //-- do { ... }
- while(1);
- //modified by NIZNHY-PKV Thu Nov 14 12:25:28 2002 f
- //return ;
- return 0;
- //modified by NIZNHY-PKV Thu Nov 14 12:25:33 2002 t
+ //
+ else {
+ myParamOnEdge*=0.5;
+ if(myParamOnEdge < 0.0001) {
+ gp_Pnt PBidon(P.X()+1.0,P.Y(),P.Z());
+ gp_Vec V(P,PBidon);
+ Par= 1.0;
+ _Par=Par;
+ L = gp_Lin(P,V);
+ return 0;
+ }
+ }
+ } //-- for(;;) { ... }
}
// Modified by skv - Thu Sep 4 12:30:14 2003 OCC578 Begin
// one intersection with the shape boundary to
// compute intersections.
//=======================================================================
-//modified by NIZNHY-PKV Thu Nov 14 14:40:35 2002 f
-//void BRepClass3d_SolidExplorer::Segment(const gp_Pnt& P,
-// gp_Lin& L,
-// Standard_Real& Par) {
-// myFirstFace = 0;
-// OtherSegment(P,L,Par);
-//}
- Standard_Integer BRepClass3d_SolidExplorer::Segment(const gp_Pnt& P,
- gp_Lin& L,
- Standard_Real& Par)
+Standard_Integer BRepClass3d_SolidExplorer::Segment(const gp_Pnt& P,
+ gp_Lin& L,
+ Standard_Real& Par)
{
Standard_Integer bRetFlag;
myFirstFace = 0;
bRetFlag=OtherSegment(P,L,Par);
return bRetFlag;
}
-//modified by NIZNHY-PKV Thu Nov 14 14:41:48 2002 t
//=======================================================================
//function : Intersector
IntCurvesFace_Intersector& BRepClass3d_SolidExplorer::Intersector(const TopoDS_Face& F) const {
void *ptr = (void*)(myMapOfInter.Find(F));
-#ifndef DEB
IntCurvesFace_Intersector& curr = (*((IntCurvesFace_Intersector *)ptr));
return curr;
-#else
- return(*((IntCurvesFace_Intersector *)ptr));
-#endif
}
//=======================================================================
projects / occt.git / blobdiff