OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-05 18:16:23 +03:00
Code Packages Releases Activity

0023998: Bad result of intersection of two faces: curve has a loop

Browse Source 
Add test case for this fix
This commit is contained in:
jgv 2013-06-20 15:46:20 +04:00
parent c8c37c2879
commit d42d186778
2 changed files with 50 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
src/IntWalk/IntWalk_PWalking_4.gxx
View File

@ -146,38 +146,29 @@ Standard_Boolean IntWalk_PWalking::
{
if (!DejaReparti) { // recherche si ligne fermee
Standard_Real u,v,up,vp;
Standard_Real u,v;
const IntSurf_PntOn2S& POn2S1=line->Value(1);
//On S1
POn2S1.ParametersOnS1(u,v);
gp_Pnt2d P1uv(u,v);
gp_Pnt2d P1uvS1(u,v);
previousPoint.ParametersOnS1(u,v);
up=u; vp=v;
gp_Pnt2d Prevuv(u,v);
gp_Pnt2d PrevuvS1(u,v);
myIntersectionOn2S.Point().ParametersOnS1(u,v);
gp_Pnt2d myIntersuv(u,v);
Standard_Boolean close2d = (P1uv.XY()-Prevuv.XY())*
(P1uv.XY()-myIntersuv.XY()) <0.0;
const gp_Pnt &P1 = line->Value(1).Value();
close = (P1.XYZ() - previousPoint.Value().XYZ())*
(P1.XYZ() - myIntersectionOn2S.Point().Value().XYZ()) < 0;
if(close != close2d) {
#ifdef DEB
cout<<"\n PWalking_4 TestArret - close2d"<<close2d<<endl;
#endif
}
Standard_Boolean autoclose = Standard_False;
previousPoint.ParametersOnS2(u,v);
if( myIntersectionOn2S.Function().AuxillarSurface1()
== myIntersectionOn2S.Function().AuxillarSurface2()) {
if(Abs(u-up)<=1e-7 && Abs(v-vp)<=1e-7) {
autoclose=Standard_True;
}
}
gp_Pnt2d myIntersuvS1(u,v);
Standard_Boolean close2dS1 = (P1uvS1.XY()-PrevuvS1.XY())*
(P1uvS1.XY()-myIntersuvS1.XY()) < 0.0;
//On S2
POn2S1.ParametersOnS2(u,v);
gp_Pnt2d P1uvS2(u,v);
previousPoint.ParametersOnS2(u,v);
gp_Pnt2d PrevuvS2(u,v);
myIntersectionOn2S.Point().ParametersOnS2(u,v);
gp_Pnt2d myIntersuvS2(u,v);
Standard_Boolean close2dS2 = (P1uvS2.XY()-PrevuvS2.XY())*
(P1uvS2.XY()-myIntersuvS2.XY()) < 0.0;
return (autoclose || (close&&close2d));
close = close2dS1 && close2dS2;
return close;
}
else return Standard_False;
}

32
tests/bugs/modalg_5/bug23998 Executable file
View File

@ -0,0 +1,32 @@
puts "============"
puts "OCC23998"
puts "============"
puts ""
#######################################################################
# Bad result of intersection of two faces: curve has a loop
#######################################################################
restore [locate_data_file bug23998_m1s.brep] b
explode b
bop b_1 b_2
bopsection result b_1 b_2
checkshape result
set length 67.026
# Analysis of "nbshapes res"
set nb_v_good 1
set nb_e_good 1
set nb_w_good 0
set nb_f_good 0
set nb_sh_good 0
set nb_sol_good 0
set nb_compsol_good 0
set nb_compound_good 1
set nb_shape_good 3
set 2dviewer 0