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0026959: Visualization - cannot select edge of the shape

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- polygonal representation of the edge is used for sensitive entity computation regardless of requested deflection;
- test case for issue #26959

Adjusting test case
This commit is contained in:
vpa
2015-12-11 11:35:59 +03:00
committed by bugmaster
parent 47e3009da9
commit 3667907665
3 changed files with 63 additions and 46 deletions
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76
src/StdSelect/StdSelect_BRepSelectionTool.cxx
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@@ -323,40 +323,31 @@ void StdSelect_BRepSelectionTool
// Function: GetPointsFromPolygon
// Purpose :
//==================================================
static Handle(TColgp_HArray1OfPnt) GetPointsFromPolygon (const TopoDS_Edge& theEdge,
const Standard_Real theDeflection)
static Handle(TColgp_HArray1OfPnt) GetPointsFromPolygon (const TopoDS_Edge& theEdge)
{
Handle(TColgp_HArray1OfPnt) aResultPoints;
Standard_Real fi, la;
Handle(Geom_Curve) CC3d = BRep_Tool::Curve (theEdge, fi, la);
TopLoc_Location aLocation;
Handle(Poly_Polygon3D) aPolygon = BRep_Tool::Polygon3D (theEdge, aLocation);
if (!aPolygon.IsNull())
{
Standard_Boolean isOK = aPolygon->Deflection() <= theDeflection;
isOK = isOK || (CC3d.IsNull());
if (isOK)
const TColgp_Array1OfPnt& aNodes = aPolygon->Nodes();
aResultPoints = new TColgp_HArray1OfPnt (1, aNodes.Length());
if (aLocation.IsIdentity())
{
const TColgp_Array1OfPnt& aNodes = aPolygon->Nodes();
aResultPoints = new TColgp_HArray1OfPnt (1, aNodes.Length());
if (aLocation.IsIdentity())
for (Standard_Integer aNodeId (aNodes.Lower()), aPntId (1); aNodeId <= aNodes.Upper(); ++aNodeId, ++aPntId)
{
for (Standard_Integer aNodeId (aNodes.Lower()), aPntId (1); aNodeId <= aNodes.Upper(); ++aNodeId, ++aPntId)
{
aResultPoints->SetValue (aPntId, aNodes.Value (aNodeId));
}
aResultPoints->SetValue (aPntId, aNodes.Value (aNodeId));
}
else
{
for (Standard_Integer aNodeId (aNodes.Lower()), aPntId (1); aNodeId <= aNodes.Upper(); ++aNodeId, ++aPntId)
{
aResultPoints->SetValue (aPntId, aNodes.Value (aNodeId).Transformed (aLocation));
}
}
return aResultPoints;
}
else
{
for (Standard_Integer aNodeId (aNodes.Lower()), aPntId (1); aNodeId <= aNodes.Upper(); ++aNodeId, ++aPntId)
{
aResultPoints->SetValue (aPntId, aNodes.Value (aNodeId).Transformed (aLocation));
}
}
return aResultPoints;
}
Handle(Poly_Triangulation) aTriangulation;
@@ -364,31 +355,26 @@ static Handle(TColgp_HArray1OfPnt) GetPointsFromPolygon (const TopoDS_Edge& theE
BRep_Tool::PolygonOnTriangulation (theEdge, anHIndices, aTriangulation, aLocation);
if (!anHIndices.IsNull())
{
Standard_Boolean isOK = anHIndices->Deflection() <= theDeflection;
isOK = isOK || (CC3d.IsNull());
if (isOK)
const TColStd_Array1OfInteger& anIndices = anHIndices->Nodes();
const TColgp_Array1OfPnt& aNodes = aTriangulation->Nodes();
aResultPoints = new TColgp_HArray1OfPnt (1, anIndices.Length());
if (aLocation.IsIdentity())
{
const TColStd_Array1OfInteger& anIndices = anHIndices->Nodes();
const TColgp_Array1OfPnt& aNodes = aTriangulation->Nodes();
aResultPoints = new TColgp_HArray1OfPnt (1, anIndices.Length());
if (aLocation.IsIdentity())
for (Standard_Integer anIndex (anIndices.Lower()), aPntId (1); anIndex <= anIndices.Upper(); ++anIndex, ++aPntId)
{
for (Standard_Integer anIndex (anIndices.Lower()), aPntId (1); anIndex <= anIndices.Upper(); ++anIndex, ++aPntId)
{
aResultPoints->SetValue (aPntId, aNodes (anIndices (anIndex)));
}
aResultPoints->SetValue (aPntId, aNodes (anIndices (anIndex)));
}
else
{
for (Standard_Integer anIndex (anIndices.Lower()), aPntId (1); anIndex <= anIndices.Upper(); ++anIndex, ++aPntId)
{
aResultPoints->SetValue (aPntId, aNodes (anIndices (anIndex)).Transformed (aLocation));
}
}
return aResultPoints;
}
else
{
for (Standard_Integer anIndex (anIndices.Lower()), aPntId (1); anIndex <= anIndices.Upper(); ++anIndex, ++aPntId)
{
aResultPoints->SetValue (aPntId, aNodes (anIndices (anIndex)).Transformed (aLocation));
}
}
return aResultPoints;
}
return aResultPoints;
}
@@ -474,7 +460,7 @@ void StdSelect_BRepSelectionTool
}
// try to get points from existing polygons
Handle(TColgp_HArray1OfPnt) aPoints = GetPointsFromPolygon (anEdge, theDeflection);
Handle(TColgp_HArray1OfPnt) aPoints = GetPointsFromPolygon (anEdge);
if (!aPoints.IsNull() && aPoints->Length() > 0)
{
theSensitive = new Select3D_SensitiveCurve (theOwner, aPoints);