OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-04 18:06:22 +03:00
Code Packages Releases Activity

SENR-22-107 "Visualization - Isoparametric lines rendered out of a face"

Browse Source
This commit is contained in:
mzernova 2022-12-07 07:15:54 +00:00
parent db99012dc4
commit bc5cfb05bb
1 changed files with 21 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/StdPrs/StdPrs_Isolines.cxx
View File

@ -370,12 +370,12 @@ void StdPrs_Isolines::addOnSurface (const Handle(BRepAdaptor_HSurface)& theSurfa
Prs3d_NListOfSequenceOfPnt& theVPolylines)
{
// Choose a deflection for sampling edge uv curves.
Standard_Real aUVLimit = theDrawer->MaximalParameterValue();
Standard_Real aUmin = Max (theSurface->FirstUParameter(), -aUVLimit);
Standard_Real aUmax = Min (theSurface->LastUParameter(), aUVLimit);
Standard_Real aVmin = Max (theSurface->FirstVParameter(), -aUVLimit);
Standard_Real aVmax = Min (theSurface->LastVParameter(), aUVLimit);
Standard_Real aSamplerDeflection = Max (aUmax - aUmin, aVmax - aVmin) * theDrawer->DeviationCoefficient();
const Standard_Real aUVLimit = theDrawer->MaximalParameterValue();
const Standard_Real aUmin = Max (theSurface->FirstUParameter(), -aUVLimit);
const Standard_Real aUmax = Min (theSurface->LastUParameter(), aUVLimit);
const Standard_Real aVmin = Max (theSurface->FirstVParameter(), -aUVLimit);
const Standard_Real aVmax = Min (theSurface->LastVParameter(), aUVLimit);
const Standard_Real aSamplerDeflection = Max (aUmax - aUmin, aVmax - aVmin) * theDrawer->DeviationCoefficient();
Standard_Real aHatchingTolerance = RealLast();
try
@ -515,12 +515,10 @@ void StdPrs_Isolines::addOnSurface (const Handle(BRepAdaptor_HSurface)& theSurfa
Standard_Real aSegmentP1 = aHatcher.Start (anI, aJ);
Standard_Real aSegmentP2 = aHatcher.End (anI, aJ);
if (!aBSurface.IsNull())
if (aBSurface.IsNull())
{
aBSurfaceCurve.Load (isIsoU ? aBSurface->UIso (anIsoParam) : aBSurface->VIso (anIsoParam));
findLimits (aBSurfaceCurve, aUVLimit, aSegmentP1, aSegmentP2);
aCanonicalCurve.Load (isIsoU ? GeomAbs_IsoU : GeomAbs_IsoV, anIsoParam, aSegmentP1, aSegmentP2);
findLimits (aCanonicalCurve, aUVLimit, aSegmentP1, aSegmentP2);
if (aSegmentP2 - aSegmentP1 <= Precision::Confusion())
{
continue;
@ -528,17 +526,23 @@ void StdPrs_Isolines::addOnSurface (const Handle(BRepAdaptor_HSurface)& theSurfa
}
else
{
aCanonicalCurve.Load (isIsoU ? GeomAbs_IsoU : GeomAbs_IsoV, anIsoParam, aSegmentP1, aSegmentP2);
findLimits (aCanonicalCurve, aUVLimit, aSegmentP1, aSegmentP2);
if (isIsoU)
{
aBSurfaceCurve.Load (aBSurface->UIso (anIsoParam), aVmin, aVmax);
}
else
{
aBSurfaceCurve.Load (aBSurface->VIso (anIsoParam), aUmin, aUmax);
}
findLimits (aBSurfaceCurve, aUVLimit, aSegmentP1, aSegmentP2);
if (aSegmentP2 - aSegmentP1 <= Precision::Confusion())
{
continue;
}
}
Adaptor3d_Curve* aCurve = aBSurface.IsNull() ? (Adaptor3d_Curve*) &aCanonicalCurve
: (Adaptor3d_Curve*) &aBSurfaceCurve;
Adaptor3d_Curve* aCurve = aBSurface.IsNull()
? (Adaptor3d_Curve*) &aCanonicalCurve
: (Adaptor3d_Curve*) &aBSurfaceCurve;
Handle(TColgp_HSequenceOfPnt) aPoints = new TColgp_HSequenceOfPnt();
StdPrs_DeflectionCurve::Add (Handle(Prs3d_Presentation)(),