-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <GEOMImpl_ShapeDriver.hxx>
+#include <GEOMImpl_IIsoline.hxx>
#include <GEOMImpl_IShapes.hxx>
#include <GEOMImpl_IVector.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOMImpl_Block6Explorer.hxx>
#include <GEOM_Function.hxx>
+#include <GEOMUtils_Hatcher.hxx>
// OCCT Includes
#include <ShapeFix_Wire.hxx>
#include <BRepBuilderAPI_Sewing.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
+#include <BRepBuilderAPI_MakeSolid.hxx>
#include <BRepCheck.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <BRepCheck_Shell.hxx>
#include <BRepLib_MakeEdge.hxx>
#include <BRepTools_WireExplorer.hxx>
+#include <ShapeAnalysis.hxx>
#include <ShapeAnalysis_FreeBounds.hxx>
#include <TopAbs.hxx>
#include <GCPnts_AbscissaPoint.hxx>
#include <Geom_TrimmedCurve.hxx>
+#include <Geom_Surface.hxx>
#include <GeomAbs_CurveType.hxx>
#include <GeomConvert_CompCurveToBSplineCurve.hxx>
#include <GeomConvert.hxx>
TopoDS_Shape aShape;
TCollection_AsciiString aWarning;
+ TopAbs_ShapeEnum anExpectedType = TopAbs_SHAPE;
BRep_Builder B;
if (aType == WIRE_EDGES) {
+ anExpectedType = TopAbs_WIRE;
+
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
Standard_Real aTolerance = aCI.GetTolerance();
aShape = MakeWireFromEdges(aShapes, aTolerance);
}
else if (aType == FACE_WIRE) {
+ anExpectedType = TopAbs_FACE;
+
Handle(GEOM_Function) aRefBase = aCI.GetBase();
TopoDS_Shape aShapeBase = aRefBase->GetValue();
if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
}
}
else if (aType == FACE_WIRES) {
+ anExpectedType = TopAbs_FACE;
+
// Try to build a face from a set of wires and edges
int ind;
}
}
+ if (aSeqEdgesIn->IsEmpty()) {
+ Standard_ConstructionError::Raise("No edges given");
+ }
+
// 2. Connect edges to wires of maximum length
Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
}
}
else if (aType == SHELL_FACES) {
+ anExpectedType = TopAbs_SHELL;
+
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
unsigned int ind, nbshapes = aShapes->Length();
}
}
- }
- else if (aType == SOLID_SHELL) {
- Handle(GEOM_Function) aRefShell = aCI.GetBase();
- TopoDS_Shape aShapeShell = aRefShell->GetValue();
- if (!aShapeShell.IsNull() && aShapeShell.ShapeType() == TopAbs_COMPOUND) {
- TopoDS_Iterator It (aShapeShell, Standard_True, Standard_True);
- if (It.More()) aShapeShell = It.Value();
- }
- if (aShapeShell.IsNull() || aShapeShell.ShapeType() != TopAbs_SHELL) {
- Standard_NullObject::Raise("Shape for solid construction is null or not a shell");
- }
-
- BRepCheck_Shell chkShell(TopoDS::Shell(aShapeShell));
- if (chkShell.Closed() == BRepCheck_NotClosed) return 0;
-
- TopoDS_Solid Sol;
- B.MakeSolid(Sol);
- B.Add(Sol, aShapeShell);
- BRepClass3d_SolidClassifier SC (Sol);
- SC.PerformInfinitePoint(Precision::Confusion());
- if (SC.State() == TopAbs_IN) {
- B.MakeSolid(Sol);
- B.Add(Sol, aShapeShell.Reversed());
- }
-
- aShape = Sol;
-
}
else if (aType == SOLID_SHELLS) {
+ anExpectedType = TopAbs_SOLID;
+
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
unsigned int ind, nbshapes = aShapes->Length();
Standard_Integer ish = 0;
- TopoDS_Solid Sol;
- B.MakeSolid(Sol);
+ BRepBuilderAPI_MakeSolid aMkSolid;
// add shapes
for (ind = 1; ind <= nbshapes; ind++) {
if (It.More()) aShapeShell = It.Value();
}
if (aShapeShell.ShapeType() == TopAbs_SHELL) {
- B.Add(Sol, aShapeShell);
+ aMkSolid.Add(TopoDS::Shell(aShapeShell));
ish++;
}
}
- if (ish == 0) return 0;
+ if (ish == 0 || !aMkSolid.IsDone()) return 0;
+
+ TopoDS_Solid Sol = aMkSolid.Solid();
BRepClass3d_SolidClassifier SC (Sol);
SC.PerformInfinitePoint(Precision::Confusion());
if (SC.State() == TopAbs_IN)
aShape = Sol;
}
else if (aType == COMPOUND_SHAPES) {
+ anExpectedType = TopAbs_COMPOUND;
+
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
unsigned int ind, nbshapes = aShapes->Length();
aShape = C;
}
- /*
- else if (aType == REVERSE_ORIENTATION) {
- Handle(GEOM_Function) aRefShape = aCI.GetBase();
- TopoDS_Shape aShape_i = aRefShape->GetValue();
- if (aShape_i.IsNull()) {
- Standard_NullObject::Raise("Shape for reverse is null");
- }
-
- BRepBuilderAPI_Copy Copy(aShape_i);
- if( Copy.IsDone() ) {
- TopoDS_Shape tds = Copy.Shape();
- if( tds.IsNull() ) {
- Standard_ConstructionError::Raise("Orientation aborted : Can not reverse the shape");
- }
-
- if( tds.Orientation() == TopAbs_FORWARD)
- tds.Orientation(TopAbs_REVERSED);
- else
- tds.Orientation(TopAbs_FORWARD);
-
- aShape = tds;
- }
- }
- */
else if (aType == EDGE_WIRE) {
+ anExpectedType = TopAbs_EDGE;
+
Handle(GEOM_Function) aRefBase = aCI.GetBase();
TopoDS_Shape aWire = aRefBase->GetValue();
Standard_Real LinTol = aCI.GetTolerance();
aShape = MakeEdgeFromWire(aWire, LinTol, AngTol);
}
else if (aType == EDGE_CURVE_LENGTH) {
+ anExpectedType = TopAbs_EDGE;
+
GEOMImpl_IVector aVI (aFunction);
// RefCurve
BRepBuilderAPI_MakeEdge aME (ReOrientedCurve, UFirst, aParam);
if (aME.IsDone())
aShape = aME.Shape();
+ } else if (aType == SHAPE_ISOLINE) {
+ GEOMImpl_IIsoline aII (aFunction);
+ Handle(GEOM_Function) aRefFace = aII.GetFace();
+ TopoDS_Shape aShapeFace = aRefFace->GetValue();
+
+ if (aShapeFace.ShapeType() == TopAbs_FACE) {
+ TopoDS_Face aFace = TopoDS::Face(aShapeFace);
+ bool isUIso = aII.GetIsUIso();
+ Standard_Real aParam = aII.GetParameter();
+ Standard_Real U1,U2,V1,V2;
+
+ // Construct a real geometric parameter.
+ aFace.Orientation(TopAbs_FORWARD);
+ ShapeAnalysis::GetFaceUVBounds(aFace,U1,U2,V1,V2);
+
+ if (isUIso) {
+ aParam = U1 + (U2 - U1)*aParam;
+ } else {
+ aParam = V1 + (V2 - V1)*aParam;
+ }
+
+ aShape = MakeIsoline(aFace, isUIso, aParam);
+ } else {
+ Standard_NullObject::Raise
+ ("Shape for isoline construction is not a face");
+ }
}
else {
}
aShape = aSfs->Shape();
}
+ // Check if the result shape type is compatible with the expected.
+ const TopAbs_ShapeEnum aShType = aShape.ShapeType();
+
+ if (anExpectedType != TopAbs_SHAPE && anExpectedType != aShType) {
+ Standard_ConstructionError::Raise("Result type check failed");
+ }
+
aFunction->SetValue(aShape);
log.SetTouched(Label());
TColStd_SequenceOfReal TolSeq;
GeomAbs_CurveType CurType;
TopoDS_Vertex FirstVertex, LastVertex;
- Standard_Boolean FinalReverse = Standard_False;
+ Standard_Real aPntShiftDist = 0.;
BRepTools_WireExplorer wexp(theWire) ;
for (; wexp.More(); wexp.Next())
LparSeq.Append(lpar);
CurType = aType;
FirstVertex = wexp.CurrentVertex();
- if (anEdge.Orientation() == TopAbs_REVERSED)
- FinalReverse = Standard_True;
}
else
{
gp_Pnt P2 = ElCLib::Value(lpar, aLine);
NewFpar = ElCLib::Parameter(PrevLine, P1);
NewLpar = ElCLib::Parameter(PrevLine, P2);
+
+ // Compute shift
+ if (ConnectByOrigin == TopAbs_FORWARD) {
+ gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevLine);
+
+ aPntShiftDist += P2.Distance(aNewP2);
+ } else {
+ gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevLine);
+
+ aPntShiftDist += P1.Distance(aNewP1);
+ }
+
if (NewLpar < NewFpar)
{
Standard_Real MemNewFpar = NewFpar;
Abs(aCircle.Radius() - PrevCircle.Radius()) <= LinTol &&
aCircle.Axis().IsParallel(PrevCircle.Axis(), AngTol))
{
+ const Standard_Boolean isFwd = ConnectByOrigin == TopAbs_FORWARD;
+
if (aCircle.Axis().Direction() * PrevCircle.Axis().Direction() < 0.)
{
Standard_Real memfpar = fpar;
gp_Pnt P2 = ElCLib::Value(lpar, aCircle);
NewFpar = ElCLib::Parameter(PrevCircle, P1);
NewLpar = ElCLib::Parameter(PrevCircle, P2);
+
+ // Compute shift
+ if (isFwd) {
+ gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevCircle);
+
+ aPntShiftDist += P2.Distance(aNewP2);
+ } else {
+ gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevCircle);
+
+ aPntShiftDist += P1.Distance(aNewP1);
+ }
+
if (NewLpar < NewFpar)
NewLpar += 2.*M_PI;
//Standard_Real MemNewFpar = NewFpar, MemNewLpar = NewLpar;
Abs(anEllipse.MinorRadius() - PrevEllipse.MinorRadius()) <= LinTol &&
anEllipse.Axis().IsParallel(PrevEllipse.Axis(), AngTol))
{
+ const Standard_Boolean isFwd = ConnectByOrigin == TopAbs_FORWARD;
+
if (anEllipse.Axis().Direction() * PrevEllipse.Axis().Direction() < 0.)
{
Standard_Real memfpar = fpar;
gp_Pnt P2 = ElCLib::Value(lpar, anEllipse);
NewFpar = ElCLib::Parameter(PrevEllipse, P1);
NewLpar = ElCLib::Parameter(PrevEllipse, P2);
+
+ // Compute shift
+ if (isFwd) {
+ gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevEllipse);
+
+ aPntShiftDist += P2.Distance(aNewP2);
+ } else {
+ gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevEllipse);
+
+ aPntShiftDist += P1.Distance(aNewP1);
+ }
+
if (NewLpar < NewFpar)
NewLpar += 2.*M_PI;
if (ConnectByOrigin == TopAbs_FORWARD)
gp_Pnt P2 = ElCLib::Value(lpar, aHypr);
NewFpar = ElCLib::Parameter(PrevHypr, P1);
NewLpar = ElCLib::Parameter(PrevHypr, P2);
+
+ // Compute shift
+ if (ConnectByOrigin == TopAbs_FORWARD) {
+ gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevHypr);
+
+ aPntShiftDist += P2.Distance(aNewP2);
+ } else {
+ gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevHypr);
+
+ aPntShiftDist += P1.Distance(aNewP1);
+ }
+
if (NewLpar < NewFpar)
{
Standard_Real MemNewFpar = NewFpar;
gp_Pnt P2 = ElCLib::Value(lpar, aParab);
NewFpar = ElCLib::Parameter(PrevParab, P1);
NewLpar = ElCLib::Parameter(PrevParab, P2);
+
+ // Compute shift
+ if (ConnectByOrigin == TopAbs_FORWARD) {
+ gp_Pnt aNewP2 = ElCLib::Value(NewLpar, PrevParab);
+
+ aPntShiftDist += P2.Distance(aNewP2);
+ } else {
+ gp_Pnt aNewP1 = ElCLib::Value(NewFpar, PrevParab);
+
+ aPntShiftDist += P1.Distance(aNewP1);
+ }
+
if (NewLpar < NewFpar)
{
Standard_Real MemNewFpar = NewFpar;
LocSeq.Append(aLocShape);
FparSeq.Append(fpar);
LparSeq.Append(lpar);
- TolSeq.Append(BRep_Tool::Tolerance(CurVertex));
+ TolSeq.Append(aPntShiftDist + BRep_Tool::Tolerance(CurVertex));
+ aPntShiftDist = 0.;
CurType = aType;
}
} // end of else (CurveSeq.IsEmpty()) -> not first time
} // end for (; wexp.More(); wexp.Next())
LastVertex = wexp.CurrentVertex();
- TolSeq.Append(BRep_Tool::Tolerance(LastVertex));
+ TolSeq.Append(aPntShiftDist + BRep_Tool::Tolerance(LastVertex));
- TopoDS_Vertex FirstVtx_final = (FinalReverse)? LastVertex : FirstVertex;
- FirstVtx_final.Orientation(TopAbs_FORWARD);
- TopoDS_Vertex LastVtx_final = (FinalReverse)? FirstVertex : LastVertex;
- LastVtx_final.Orientation(TopAbs_REVERSED);
+ FirstVertex.Orientation(TopAbs_FORWARD);
+ LastVertex.Orientation(TopAbs_REVERSED);
if (!CurveSeq.IsEmpty())
{
if (concatcurve->Value(concatcurve->Lower())->Continuity()==GeomAbs_C0){
Standard_ConstructionError::Raise("Construction aborted : The given Wire has sharp bends between some Edges, no valid Edge can be built");
}
- ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
- FirstVtx_final, LastVtx_final,
- concatcurve->Value(concatcurve->Lower())->FirstParameter(),
- concatcurve->Value(concatcurve->Lower())->LastParameter());
+
+ Standard_Boolean isValidEndVtx = Standard_True;
+
+ if (closed_flag) {
+ // Check if closed curve is reordered.
+ Handle(Geom_Curve) aCurve = concatcurve->Value(concatcurve->Lower());
+ Standard_Real aFPar = aCurve->FirstParameter();
+ gp_Pnt aPFirst;
+ gp_Pnt aPntVtx = BRep_Tool::Pnt(FirstVertex);
+ Standard_Real aTolVtx = BRep_Tool::Tolerance(FirstVertex);
+
+ aCurve->D0(aFPar, aPFirst);
+
+ if (!aPFirst.IsEqual(aPntVtx, aTolVtx)) {
+ // The curve is reordered. Find the new first and last vertices.
+ TopTools_IndexedMapOfShape aMapVtx;
+ TopExp::MapShapes(theWire, TopAbs_VERTEX, aMapVtx);
+
+ const Standard_Integer aNbVtx = aMapVtx.Extent();
+ Standard_Integer iVtx;
+
+ for (iVtx = 1; iVtx <= aNbVtx; iVtx++) {
+ const TopoDS_Vertex aVtx = TopoDS::Vertex(aMapVtx.FindKey(iVtx));
+ const gp_Pnt aPnt = BRep_Tool::Pnt(aVtx);
+ const Standard_Real aTol = BRep_Tool::Tolerance(aVtx);
+
+ if (aPFirst.IsEqual(aPnt, aTol)) {
+ // The coinsident vertex is found.
+ FirstVertex = aVtx;
+ LastVertex = aVtx;
+ FirstVertex.Orientation(TopAbs_FORWARD);
+ LastVertex.Orientation(TopAbs_REVERSED);
+ break;
+ }
+ }
+
+ if (iVtx > aNbVtx) {
+ // It is necessary to create new vertices.
+ isValidEndVtx = Standard_False;
+ }
+ }
+ }
+
+ if (isValidEndVtx) {
+ ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
+ FirstVertex, LastVertex,
+ concatcurve->Value(concatcurve->Lower())->FirstParameter(),
+ concatcurve->Value(concatcurve->Lower())->LastParameter());
+ } else {
+ ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
+ concatcurve->Value(concatcurve->Lower())->FirstParameter(),
+ concatcurve->Value(concatcurve->Lower())->LastParameter());
+ }
}
else
{
if (CurveSeq(1)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
CurveSeq(1) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(1))))->BasisCurve();
- CurveSeq(1)->Transform(LocSeq(1).Location().Transformation());
- ResEdge = BRepLib_MakeEdge(CurveSeq(1),
- FirstVtx_final, LastVtx_final,
+ Handle(Geom_Curve) aNewCurve =
+ Handle(Geom_Curve)::DownCast(CurveSeq(1)->Copy());
+
+ aNewCurve->Transform(LocSeq(1).Location().Transformation());
+
+ if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
+ const TopoDS_Vertex aVtxTmp = FirstVertex;
+
+ FirstVertex = LastVertex;
+ LastVertex = aVtxTmp;
+ FirstVertex.Orientation(TopAbs_FORWARD);
+ LastVertex.Orientation(TopAbs_REVERSED);
+ }
+
+ ResEdge = BRepLib_MakeEdge(aNewCurve,
+ FirstVertex, LastVertex,
FparSeq(1), LparSeq(1));
+
+ if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
+ ResEdge.Reverse();
+ }
}
}
- if (FinalReverse)
- ResEdge.Reverse();
-
return ResEdge;
}
+//=============================================================================
+/*!
+ * \brief Returns an isoline for a face.
+ */
+//=============================================================================
+
+TopoDS_Shape GEOMImpl_ShapeDriver::MakeIsoline
+ (const TopoDS_Face &theFace,
+ const bool IsUIso,
+ const double theParameter) const
+{
+ TopoDS_Shape aResult;
+ GEOMUtils::Hatcher aHatcher(theFace);
+ const GeomAbs_IsoType aType = (IsUIso ? GeomAbs_IsoU : GeomAbs_IsoV);
+
+ aHatcher.Init(aType, theParameter);
+ aHatcher.Perform();
+
+ if (!aHatcher.IsDone()) {
+ Standard_ConstructionError::Raise("MakeIsoline : Hatcher failure");
+ }
+
+ const Handle(TColStd_HArray1OfInteger) &anIndices =
+ (IsUIso ? aHatcher.GetUIndices() : aHatcher.GetVIndices());
+
+ if (anIndices.IsNull()) {
+ Standard_ConstructionError::Raise("MakeIsoline : Null hatching indices");
+ }
+
+ const Standard_Integer anIsoInd = anIndices->Lower();
+ const Standard_Integer aHatchingIndex = anIndices->Value(anIsoInd);
+
+ if (aHatchingIndex == 0) {
+ Standard_ConstructionError::Raise("MakeIsoline : Invalid hatching index");
+ }
+
+ const Standard_Integer aNbDomains =
+ aHatcher.GetNbDomains(aHatchingIndex);
+
+ if (aNbDomains < 0) {
+ Standard_ConstructionError::Raise("MakeIsoline : Invalid number of domains");
+ }
+
+ // The hatching is performed successfully. Create the 3d Curve.
+ Handle(Geom_Surface) aSurface = BRep_Tool::Surface(theFace);
+ Handle(Geom_Curve) anIsoCurve = (IsUIso ?
+ aSurface->UIso(theParameter) : aSurface->VIso(theParameter));
+ Handle(Geom2d_Curve) aPIsoCurve =
+ aHatcher.GetHatching(aHatchingIndex);
+ const Standard_Real aTol = Precision::Confusion();
+ Standard_Integer anIDom = 1;
+ Standard_Real aV1;
+ Standard_Real aV2;
+ BRep_Builder aBuilder;
+ Standard_Integer aNbEdges = 0;
+
+ for (; anIDom <= aNbDomains; anIDom++) {
+ if (aHatcher.GetDomain(aHatchingIndex, anIDom, aV1, aV2)) {
+ // Check first and last parameters.
+ if (!aHatcher.IsDomainInfinite(aHatchingIndex, anIDom)) {
+ // Create an edge.
+ TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge(anIsoCurve, aV1, aV2);
+
+ // Update it with a parametric curve on face.
+ aBuilder.UpdateEdge(anEdge, aPIsoCurve, theFace, aTol);
+ aNbEdges++;
+
+ if (aNbEdges > 1) {
+ // Result is a compond.
+ if (aNbEdges == 2) {
+ // Create a new compound.
+ TopoDS_Compound aCompound;
+
+ aBuilder.MakeCompound(aCompound);
+ aBuilder.Add(aCompound, aResult);
+ aResult = aCompound;
+ }
+
+ // Add an edge to the compound.
+ aBuilder.Add(aResult, anEdge);
+ } else {
+ // Result is the edge.
+ aResult = anEdge;
+ }
+ }
+ }
+ }
+
+ if (aNbEdges == 0) {
+ Standard_ConstructionError::Raise("MakeIsoline : Empty result");
+ }
+
+ return aResult;
+}
+
//================================================================================
/*!
* \brief Returns a name of creation operation and names and values of creation parameters
theOperationName = "SHELL";
AddParam( theParams, "Objects", aCI.GetShapes() );
break;
- case SOLID_SHELL:
case SOLID_SHELLS:
theOperationName = "SOLID";
AddParam( theParams, "Objects", aCI.GetShapes() );
AddParam( theParams, "State", TopAbs_State((int) aCI.GetTolerance() ));
break;
}
+ case SHAPE_ISOLINE:
+ {
+ GEOMImpl_IIsoline aII (function);
+
+ theOperationName = "ISOLINE";
+ AddParam(theParams, "Face", aII.GetFace());
+ AddParam(theParams, "Isoline type", (aII.GetIsUIso() ? "U" : "V"));
+ AddParam(theParams, "Parameter", aII.GetParameter());
+ break;
+ }
default:
return false;
}
