0032811: Bad result of sweep operation due to Surface Surface Intersect Bug

2025-08-09 13:22:24 +03:00 · 2022-01-29 20:08:52 +08:00
3 changed files with 18 additions and 1 deletions
--- a/src/IntTools/IntTools_FaceFace.cxx
+++ b/src/IntTools/IntTools_FaceFace.cxx
@@ -504,6 +504,7 @@ void IntTools_FaceFace::Perform (const TopoDS_Face& aF1,

  {
    const Standard_Real UVMaxStep = IntPatch_Intersection::DefineUVMaxStep(myHS1, dom1, myHS2, dom2);
+	// TODO: bug32811 Deflection change to 0.01 can work
    const Standard_Real Deflection = 0.1;
    myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection); 
  }
--- a/src/IntTools/IntTools_TopolTool.cxx
+++ b/src/IntTools/IntTools_TopolTool.cxx
@@ -448,5 +448,5 @@ void IntTools_TopolTool::SamplePnts(const Standard_Real theDefl,
  myV0 = myVPars->Value(1);

  myDU = (myUPars->Value(myNbSmplU) - myU0)/(myNbSmplU-1);  
-  myDV = (myVPars->Value(myNbSmplV) - myU0)/(myNbSmplV-1);
+  myDV = (myVPars->Value(myNbSmplV) - myV0)/(myNbSmplV-1);
 }
--- a/tests/pipe/bugs/bug32811
+++ b/tests/pipe/bugs/bug32811
@@ -0,0 +1,16 @@
+puts "TODO ? Surface Surface Intersect Lost One Intersect Curve"
+puts "0032811: Bad result of sweep operation due to Surface Surface Intersect Bug"
+puts "========"
+puts ""
+
+restore [locate_data_file CR32811_path.brep] p
+restore [locate_data_file CR32811_profile.brep] pr
+
+mksweep p
+setsweep -CF
+addsweep pr
+
+buildsweep result -C -S
+
+checkshape result
+checknbshapes result -vertex 184 -edge 368 -wire 184 -face 184 -shell 1