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0024024: Slow import of specific STEP data

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Add using bounding boxes to accelerating of import
Replace Map of bounding boxes with array.
fix cosmetic mistake
Improving check for periodic cases.
This commit is contained in:
ika 2014-05-22 17:09:07 +04:00 committed by apn
parent 8e81749770
commit 1ee621b661
1 changed files with 61 additions and 11 deletions
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70
src/ShapeFix/ShapeFix_Face.cxx
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@ -103,6 +103,7 @@
#include <ShapeFix_SplitTool.hxx>
#include <TColStd_MapOfInteger.hxx>
#include <TopTools_DataMapOfShapeShape.hxx>
#include <NCollection_Array1.hxx>
#ifdef DEB
#define DEBUG
@ -1127,6 +1128,8 @@ Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShap
Standard_Boolean vclosed = mySurf->IsVClosed();
Standard_Real SUF, SUL, SVF, SVL;
mySurf->Bounds(SUF, SUL, SVF, SVL);
Standard_Real uRange = SUL - SUF;
Standard_Real vRange = SVL - SVF;
TopTools_DataMapOfShapeListOfShape MW;
TopTools_DataMapOfShapeInteger SI;
@ -1137,9 +1140,53 @@ Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShap
Standard_Integer NbOuts=0;
Standard_Integer i;
NCollection_Array1<Bnd_Box2d> aWireBoxes(1, nb);
Standard_Real uMiddle = 0, vMiddle = 0;
Standard_Boolean isFirst = Standard_True;
//create Bounding boxes for each wire
for ( i = 1; i <= nb; i ++) {
TopoDS_Shape aShape = ws.Value(i);
TopoDS_Wire aWire = TopoDS::Wire (aShape);
Bnd_Box2d aBox;
Standard_Real cf,cl;
TopoDS_Iterator ew (aWire);
for(;ew.More(); ew.Next()) {
TopoDS_Edge ed = TopoDS::Edge (ew.Value());
Handle(Geom2d_Curve) cw = BRep_Tool::CurveOnSurface (ed,myFace,cf,cl);
Geom2dAdaptor_Curve gac;
Standard_Real aFirst = cw->FirstParameter();
Standard_Real aLast = cw->LastParameter();
if(cw->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) && (cf < aFirst || cl > aLast)) {
//avoiding problems with segment in Bnd_Box
gac.Load(cw);
}
else
gac.Load(cw,cf,cl);
BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),aBox);
}
Standard_Real aXMin, aXMax, aYMin, aYMax;
aBox.Get(aXMin, aYMin, aXMax, aYMax);
if (isFirst) {
isFirst = Standard_False;
uMiddle = (aXMin + aXMax) * 0.5;
vMiddle = (aYMin + aYMax) * 0.5;
}
else {
Standard_Real xShift = 0, yShift = 0;
if ( mySurf->IsUClosed() )
xShift = ShapeAnalysis::AdjustByPeriod ( 0.5*(aXMin + aXMax), uMiddle, uRange );
if ( mySurf->IsVClosed() )
yShift = ShapeAnalysis::AdjustByPeriod ( 0.5*(aYMin + aYMax), vMiddle, vRange ) ;
aBox.Update(aXMin + xShift, aYMin + yShift, aXMax + xShift, aYMax + yShift);
}
aWireBoxes.ChangeValue(i) = aBox;
}
for ( i = 1; i <= nb; i ++) {
TopoDS_Shape asw = ws.Value(i);
TopoDS_Wire aw = TopoDS::Wire (asw);
Bnd_Box2d aBox1 = aWireBoxes.Value(i);
TopoDS_Shape dummy = myFace.EmptyCopied();
TopoDS_Face af = TopoDS::Face ( dummy );
// B.MakeFace (af,mySurf->Surface(),::Precision::Confusion());
@ -1154,27 +1201,28 @@ Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShap
TopAbs_State sta = TopAbs_OUT;
TopAbs_State staout = clas.PerformInfinitePoint();
TopTools_ListOfShape IntWires;
Standard_Integer aWireIt = 0;
for ( Standard_Integer j = 1; j <= nbAll; j ++) {
aWireIt++;
//if(i==j) continue;
TopoDS_Shape aSh2 = allSubShapes.Value(j);
if(aw == aSh2)
continue;
TopAbs_State stb = TopAbs_UNKNOWN;
if(aSh2.ShapeType() == TopAbs_VERTEX) {
aWireIt--;
gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aSh2));
gp_Pnt2d p2d = mySurf->ValueOfUV(aP,Precision::Confusion());
stb = clas.Perform (p2d,Standard_False);
if(stb == staout && (uclosed || vclosed)) {
gp_Pnt2d p2d1;
if(uclosed) {
Standard_Real period = SUL-SUF;
p2d1.SetCoord(p2d.X()+period, p2d.Y());
p2d1.SetCoord(p2d.X()+uRange, p2d.Y());
stb = clas.Perform (p2d1,Standard_False);
}
if(stb == staout && vclosed) {
Standard_Real period = SVL-SVF;
p2d1.SetCoord(p2d.X(), p2d.Y()+ period);
p2d1.SetCoord(p2d.X(), p2d.Y()+ vRange);
stb = clas.Perform (p2d1,Standard_False);
}
}
@ -1183,6 +1231,10 @@ Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShap
CheckShift = Standard_True;
TopoDS_Wire bw = TopoDS::Wire (aSh2);
//Standard_Integer numin =0;
Bnd_Box2d aBox2 = aWireBoxes.Value(aWireIt);
if (aBox2.IsOut(aBox1))
continue;
TopoDS_Iterator ew (bw);
for(;ew.More(); ew.Next()) {
TopoDS_Edge ed = TopoDS::Edge (ew.Value());
@ -1210,20 +1262,18 @@ Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShap
if( stb == staout && CheckShift ) {
CheckShift = Standard_False;
if(uclosed) {
Standard_Real period = SUL-SUF;
unp1.SetCoord(unp.X()+period, unp.Y());
unp1.SetCoord(unp.X()+uRange, unp.Y());
found = (staout != clas.Perform (unp1,Standard_False));
if(!found) {
unp1.SetX(unp.X()-period);
unp1.SetX(unp.X()-uRange);
found = (staout != clas.Perform (unp1,Standard_False));
}
}
if(vclosed&&!found) {
Standard_Real period = SVL-SVF;
unp1.SetCoord(unp.X(), unp.Y()+period);
unp1.SetCoord(unp.X(), unp.Y()+vRange);
found = (staout != clas.Perform (unp1,Standard_False));
if(!found) {
unp1.SetY(unp.Y()-period);
unp1.SetY(unp.Y()-vRange);
found = (staout != clas.Perform (unp1,Standard_False));
}
}