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0030914: Modeling Algorithms - Improve performance of UnifySameDom algorithm for specific case with many edges

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Use cached containers to find the necessary shapes.
This commit is contained in:
emv 2019-08-26 16:31:52 +03:00 committed by apn
parent 115d350e09
commit fb64d0f4a2
1 changed files with 11 additions and 32 deletions
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43
src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx
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@ -1671,7 +1671,8 @@ static Standard_Boolean MergeEdges(TopTools_SequenceOfShape& SeqEdges,
TopTools_IndexedDataMapOfShapeListOfShape aMapVE;
Standard_Integer j;
TopTools_MapOfShape VerticesToAvoid;
for (j = 1; j <= SeqEdges.Length(); j++)
const Standard_Integer aNbE = SeqEdges.Length();
for (j = 1; j <= aNbE; j++)
{
TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j));
// fill in the map V-E
@ -1690,22 +1691,16 @@ static Standard_Boolean MergeEdges(TopTools_SequenceOfShape& SeqEdges,
// do loop while there are unused edges
TopTools_MapOfShape aUsedEdges;
for (;;)
for (Standard_Integer iE = 1; iE <= aNbE; ++iE)
{
TopoDS_Edge edge;
for(j=1; j <= SeqEdges.Length(); j++)
{
edge = TopoDS::Edge(SeqEdges.Value(j));
if (!aUsedEdges.Contains(edge))
break;
}
if (j > SeqEdges.Length())
break; // all edges have been used
TopoDS_Edge edge = TopoDS::Edge (SeqEdges (iE));
if (!aUsedEdges.Add (edge))
continue;
// make chain for unite
TopTools_SequenceOfShape aChain;
aChain.Append(edge);
aUsedEdges.Add(edge);
TopoDS_Vertex V[2];
TopExp::Vertices(edge, V[0], V[1], Standard_True);
@ -2214,32 +2209,16 @@ void ShapeUpgrade_UnifySameDomain::IntUnifyFaces(const TopoDS_Shape& theInpShape
//Correct orientation of edges
for (Standard_Integer ii = 1; ii <= edges.Length(); ii++)
{
const TopoDS_Shape& anEdge = edges(ii);
const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(anEdge);
const TopoDS_Shape& anEdge = edges (ii);
Standard_Integer indE = aMapEF.FindIndex (anEdge);
const TopTools_ListOfShape& aLF = aMapEF (indE);
if (myAllowInternal &&
myKeepShapes.Contains(anEdge) &&
aLF.Extent() == 2)
edges(ii).Orientation(TopAbs_INTERNAL);
if (anEdge.Orientation() != TopAbs_INTERNAL)
for (Standard_Integer jj = 1; jj <= faces.Length(); jj++)
{
const TopoDS_Shape aCurFace = faces(jj);
Standard_Boolean found = Standard_False;
TopExp_Explorer Explo(aCurFace, TopAbs_EDGE);
for (; Explo.More(); Explo.Next())
{
const TopoDS_Shape& aCurEdge = Explo.Current();
if (anEdge.IsSame(aCurEdge))
{
edges(ii) = aCurEdge;
found = Standard_True;
break;
}
}
if (found)
break;
}
edges (ii) = aMapEF.FindKey (indE);
}
//Exclude internal edges