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0032470: Modeling Algorithms - BOP wrong result on sphere and box

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Correct adjusting pcurves on periodic surfaces: take the middle point as a reference point.
This commit is contained in:
jgv
2021-07-30 03:09:09 +03:00
committed by bugmaster
parent 286e9f13f3
commit 1a75fcddae
4 changed files with 59 additions and 3 deletions
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6
src/ProjLib/ProjLib_ComputeApprox.cxx
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@@ -1246,7 +1246,9 @@ void ProjLib_ComputeApprox::Perform
//Return curve home
Standard_Real UFirst = F.FirstParameter();
gp_Pnt P3d = C->Value( UFirst );
Standard_Real ULast = F.LastParameter();
Standard_Real Umid = (UFirst + ULast)/2;
gp_Pnt P3d = C->Value (Umid);
Standard_Real u = 0., v = 0.;
switch (SType)
{
@@ -1301,7 +1303,7 @@ void ProjLib_ComputeApprox::Perform
if (F.UCouture || (F.VCouture && SType == GeomAbs_Sphere))
{
Standard_Real aNbPer;
gp_Pnt2d P2d = F.Value(UFirst);
gp_Pnt2d P2d = F.Value (Umid);
du = u - P2d.X();
du = (du < 0) ? (du - Precision::PConfusion()) :
(du + Precision::PConfusion());