mirror of
https://git.salome-platform.org/gitpub/modules/geom.git
synced 2024-11-16 10:38:34 +05:00
502 lines
16 KiB
C++
502 lines
16 KiB
C++
// Copyright (C) 2007-2010 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.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
|
|
//
|
|
|
|
#include <GEOMImpl_ShapeDriver.hxx>
|
|
|
|
#include <GEOMImpl_IShapes.hxx>
|
|
#include <GEOMImpl_Types.hxx>
|
|
#include <GEOMImpl_Block6Explorer.hxx>
|
|
|
|
#include <GEOM_Function.hxx>
|
|
|
|
// OCCT Includes
|
|
#include <ShapeFix_Wire.hxx>
|
|
#include <ShapeFix_Edge.hxx>
|
|
|
|
#include <BRep_Tool.hxx>
|
|
#include <BRep_Builder.hxx>
|
|
#include <BRepAlgo_FaceRestrictor.hxx>
|
|
#include <BRepBuilderAPI_Sewing.hxx>
|
|
#include <BRepBuilderAPI_Copy.hxx>
|
|
#include <BRepCheck.hxx>
|
|
#include <BRepCheck_Analyzer.hxx>
|
|
#include <BRepCheck_Shell.hxx>
|
|
#include <BRepClass3d_SolidClassifier.hxx>
|
|
#include <BRepBuilderAPI_MakeWire.hxx>
|
|
#include <BRepBuilderAPI_Sewing.hxx>
|
|
|
|
#include <ShapeAnalysis_FreeBounds.hxx>
|
|
|
|
#include <TopAbs.hxx>
|
|
#include <TopoDS.hxx>
|
|
#include <TopoDS_Shape.hxx>
|
|
#include <TopoDS_Edge.hxx>
|
|
#include <TopoDS_Wire.hxx>
|
|
#include <TopoDS_Shell.hxx>
|
|
#include <TopoDS_Solid.hxx>
|
|
#include <TopoDS_Compound.hxx>
|
|
#include <TopoDS_Iterator.hxx>
|
|
#include <TopExp.hxx>
|
|
#include <TopExp_Explorer.hxx>
|
|
|
|
#include <TopTools_MapOfShape.hxx>
|
|
#include <TopTools_HSequenceOfShape.hxx>
|
|
|
|
#include <TColStd_HSequenceOfTransient.hxx>
|
|
|
|
#include <Precision.hxx>
|
|
#include <Standard_NullObject.hxx>
|
|
#include <Standard_TypeMismatch.hxx>
|
|
#include <Standard_ConstructionError.hxx>
|
|
|
|
//=======================================================================
|
|
//function : GetID
|
|
//purpose :
|
|
//=======================================================================
|
|
const Standard_GUID& GEOMImpl_ShapeDriver::GetID()
|
|
{
|
|
static Standard_GUID aShapeDriver("FF1BBB54-5D14-4df2-980B-3A668264EA16");
|
|
return aShapeDriver;
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : GEOMImpl_ShapeDriver
|
|
//purpose :
|
|
//=======================================================================
|
|
GEOMImpl_ShapeDriver::GEOMImpl_ShapeDriver()
|
|
{
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Execute
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
|
|
{
|
|
if (Label().IsNull()) return 0;
|
|
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
|
|
|
|
GEOMImpl_IShapes aCI (aFunction);
|
|
Standard_Integer aType = aFunction->GetType();
|
|
|
|
TopoDS_Shape aShape;
|
|
BRep_Builder B;
|
|
|
|
if (aType == WIRE_EDGES) {
|
|
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
|
|
TopoDS_Wire aWire;
|
|
B.MakeWire(aWire);
|
|
|
|
// add edges
|
|
for (unsigned int ind = 1; ind <= aShapes->Length(); ind++) {
|
|
Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
|
|
TopoDS_Shape aShape_i = aRefShape->GetValue();
|
|
if (aShape_i.IsNull()) {
|
|
Standard_NullObject::Raise("Shape for wire construction is null");
|
|
}
|
|
if (aShape_i.ShapeType() == TopAbs_EDGE || aShape_i.ShapeType() == TopAbs_WIRE) {
|
|
TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
|
|
for (; exp.More(); exp.Next())
|
|
B.Add(aWire, TopoDS::Edge(exp.Current()));
|
|
} else {
|
|
Standard_TypeMismatch::Raise
|
|
("Shape for wire construction is neither an edge nor a wire");
|
|
}
|
|
}
|
|
|
|
// fix edges order
|
|
Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
|
|
aFW->Load(aWire);
|
|
aFW->FixReorder();
|
|
|
|
if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
|
|
Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
|
|
} else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
|
|
Standard_ConstructionError::Raise("Wire construction failed");
|
|
} else {
|
|
}
|
|
|
|
// IMP 0019766: Building a Wire from unconnected edges by introducing a tolerance
|
|
Standard_Real aTolerance = aCI.GetTolerance();
|
|
if (aTolerance < Precision::Confusion())
|
|
aTolerance = Precision::Confusion();
|
|
|
|
aFW->ClosedWireMode() = Standard_False;
|
|
aFW->FixConnected(aTolerance);
|
|
if (aFW->StatusConnected(ShapeExtend_FAIL)) {
|
|
Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
|
|
}
|
|
// IMP 0019766
|
|
if (aFW->StatusConnected(ShapeExtend_DONE3)) {
|
|
// Confused with <prec> but not Analyzer.Precision(), set the same
|
|
aFW->FixGapsByRangesMode() = Standard_True;
|
|
if (aFW->FixGaps3d()) {
|
|
Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
|
|
Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
|
|
for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
|
|
TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
|
|
aFe->FixVertexTolerance(aEdge);
|
|
aFe->FixSameParameter(aEdge);
|
|
}
|
|
}
|
|
else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
|
|
Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
|
|
}
|
|
}
|
|
aShape = aFW->WireAPIMake();
|
|
}
|
|
else if (aType == FACE_WIRE) {
|
|
Handle(GEOM_Function) aRefBase = aCI.GetBase();
|
|
TopoDS_Shape aShapeBase = aRefBase->GetValue();
|
|
if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
|
|
TopoDS_Wire W;
|
|
if (aShapeBase.ShapeType() == TopAbs_WIRE) {
|
|
W = TopoDS::Wire(aShapeBase);
|
|
// check the wire is closed
|
|
TopoDS_Vertex aV1, aV2;
|
|
TopExp::Vertices(W, aV1, aV2);
|
|
if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
|
|
aShapeBase.Closed(true);
|
|
else
|
|
Standard_NullObject::Raise
|
|
("Shape for face construction is not closed");
|
|
}
|
|
else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
|
|
BRepBuilderAPI_MakeWire MW;
|
|
MW.Add(TopoDS::Edge(aShapeBase));
|
|
if (!MW.IsDone()) {
|
|
Standard_ConstructionError::Raise("Wire construction failed");
|
|
}
|
|
W = MW;
|
|
}
|
|
else {
|
|
Standard_NullObject::Raise
|
|
("Shape for face construction is neither a wire nor a closed edge");
|
|
}
|
|
GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
|
|
if (aShape.IsNull()) {
|
|
Standard_ConstructionError::Raise("Face construction failed");
|
|
}
|
|
}
|
|
else if (aType == FACE_WIRES) {
|
|
// Try to build a face from a set of wires and edges
|
|
int ind;
|
|
|
|
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
|
|
int nbshapes = aShapes->Length();
|
|
if (nbshapes < 1) {
|
|
Standard_ConstructionError::Raise("No wires or edges given");
|
|
}
|
|
|
|
// 1. Extract all edges from the given arguments
|
|
TopTools_MapOfShape aMapEdges;
|
|
Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
|
|
|
|
for (ind = 1; ind <= nbshapes; ind++) {
|
|
Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
|
|
TopoDS_Shape aSh_i = aRefSh_i->GetValue();
|
|
|
|
TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
|
|
for (; anExpE_i.More(); anExpE_i.Next()) {
|
|
if (aMapEdges.Add(anExpE_i.Current())) {
|
|
aSeqEdgesIn->Append(anExpE_i.Current());
|
|
}
|
|
}
|
|
}
|
|
|
|
// 2. Connect edges to wires of maximum length
|
|
Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
|
|
ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
|
|
/*shared*/Standard_False, aSeqWiresOut);
|
|
|
|
// 3. Separate closed wires
|
|
Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
|
|
Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
|
|
for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
|
|
if (aSeqWiresOut->Value(ind).Closed())
|
|
aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
|
|
else
|
|
aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
|
|
}
|
|
|
|
if (aSeqClosedWires->Length() < 1) {
|
|
Standard_ConstructionError::Raise
|
|
("There is no closed contour can be built from the given arguments");
|
|
}
|
|
|
|
// 4. Build a face / list of faces from all the obtained closed wires
|
|
|
|
// 4.a. Basic face
|
|
TopoDS_Shape aFFace;
|
|
TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
|
|
GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
|
|
if (aFFace.IsNull()) {
|
|
Standard_ConstructionError::Raise("Face construction failed");
|
|
}
|
|
|
|
// 4.b. Add other wires
|
|
if (aSeqClosedWires->Length() == 1) {
|
|
aShape = aFFace;
|
|
}
|
|
else {
|
|
TopoDS_Compound C;
|
|
BRep_Builder aBuilder;
|
|
aBuilder.MakeCompound(C);
|
|
BRepAlgo_FaceRestrictor FR;
|
|
|
|
TopAbs_Orientation OriF = aFFace.Orientation();
|
|
TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
|
|
FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
|
|
|
|
for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
|
|
TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
|
|
FR.Add(aW);
|
|
}
|
|
|
|
FR.Perform();
|
|
|
|
if (FR.IsDone()) {
|
|
int k = 0;
|
|
TopoDS_Shape aFace;
|
|
for (; FR.More(); FR.Next()) {
|
|
aFace = FR.Current().Oriented(OriF);
|
|
aBuilder.Add(C, aFace);
|
|
k++;
|
|
}
|
|
if (k == 1) {
|
|
aShape = aFace;
|
|
} else {
|
|
aShape = C;
|
|
}
|
|
}
|
|
}
|
|
|
|
// 5. Add all open wires to the result
|
|
if (aSeqOpenWires->Length() > 0) {
|
|
//Standard_ConstructionError::Raise("There are some open wires");
|
|
TopoDS_Compound C;
|
|
BRep_Builder aBuilder;
|
|
if (aSeqClosedWires->Length() == 1) {
|
|
aBuilder.MakeCompound(C);
|
|
aBuilder.Add(C, aShape);
|
|
}
|
|
else {
|
|
C = TopoDS::Compound(aShape);
|
|
}
|
|
|
|
for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
|
|
aBuilder.Add(C, aSeqOpenWires->Value(ind));
|
|
}
|
|
|
|
aShape = C;
|
|
}
|
|
}
|
|
else if (aType == SHELL_FACES) {
|
|
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
|
|
unsigned int ind, nbshapes = aShapes->Length();
|
|
|
|
// add faces
|
|
BRepBuilderAPI_Sewing aSewing(Precision::Confusion()*10.0);
|
|
for (ind = 1; ind <= nbshapes; ind++) {
|
|
Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
|
|
TopoDS_Shape aShape_i = aRefShape->GetValue();
|
|
if (aShape_i.IsNull()) {
|
|
Standard_NullObject::Raise("Face for shell construction is null");
|
|
}
|
|
aSewing.Add(aShape_i);
|
|
}
|
|
|
|
aSewing.Perform();
|
|
|
|
TopoDS_Shape sh = aSewing.SewedShape();
|
|
if( sh.ShapeType()==TopAbs_FACE && nbshapes==1 ) {
|
|
// case for creation of shell from one face - PAL12722 (skl 26.06.2006)
|
|
TopoDS_Shell ss;
|
|
B.MakeShell(ss);
|
|
B.Add(ss,sh);
|
|
aShape = ss;
|
|
}
|
|
else {
|
|
//TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
|
|
TopExp_Explorer exp (sh, TopAbs_SHELL);
|
|
Standard_Integer ish = 0;
|
|
for (; exp.More(); exp.Next()) {
|
|
aShape = exp.Current();
|
|
ish++;
|
|
}
|
|
|
|
if (ish != 1)
|
|
aShape = aSewing.SewedShape();
|
|
}
|
|
|
|
}
|
|
else if (aType == SOLID_SHELL) {
|
|
Handle(GEOM_Function) aRefShell = aCI.GetBase();
|
|
TopoDS_Shape aShapeShell = aRefShell->GetValue();
|
|
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) {
|
|
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
|
|
unsigned int ind, nbshapes = aShapes->Length();
|
|
Standard_Integer ish = 0;
|
|
TopoDS_Solid Sol;
|
|
B.MakeSolid(Sol);
|
|
|
|
// add shapes
|
|
for (ind = 1; ind <= nbshapes; ind++) {
|
|
Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
|
|
TopoDS_Shape aShapeShell = aRefShape->GetValue();
|
|
if (aShapeShell.IsNull()) {
|
|
Standard_NullObject::Raise("Shell for solid construction is null");
|
|
}
|
|
if (aShapeShell.ShapeType() == TopAbs_SHELL) {
|
|
B.Add(Sol, aShapeShell);
|
|
ish++;
|
|
}
|
|
}
|
|
if ( ish == 0 ) return 0;
|
|
BRepClass3d_SolidClassifier SC (Sol);
|
|
SC.PerformInfinitePoint(Precision::Confusion());
|
|
if (SC.State() == TopAbs_IN)
|
|
aShape = Sol.Reversed();
|
|
else
|
|
aShape = Sol;
|
|
}
|
|
else if (aType == COMPOUND_SHAPES) {
|
|
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
|
|
unsigned int ind, nbshapes = aShapes->Length();
|
|
|
|
// add shapes
|
|
TopoDS_Compound C;
|
|
B.MakeCompound(C);
|
|
for (ind = 1; ind <= nbshapes; ind++) {
|
|
Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
|
|
TopoDS_Shape aShape_i = aRefShape->GetValue();
|
|
if (aShape_i.IsNull()) {
|
|
Standard_NullObject::Raise("Shape for compound construction is null");
|
|
}
|
|
B.Add(C, aShape_i);
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
if (aShape.IsNull()) return 0;
|
|
|
|
// Check shape validity
|
|
BRepCheck_Analyzer ana (aShape, false);
|
|
if (!ana.IsValid()) {
|
|
//Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
|
|
}
|
|
|
|
aFunction->SetValue(aShape);
|
|
|
|
log.SetTouched(Label());
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : GEOMImpl_ShapeDriver_Type_
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_EXPORT Handle_Standard_Type& GEOMImpl_ShapeDriver_Type_()
|
|
{
|
|
|
|
static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
|
|
if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
|
|
static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
|
|
if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
|
|
static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
|
|
if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
|
|
|
|
|
|
static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
|
|
static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ShapeDriver",
|
|
sizeof(GEOMImpl_ShapeDriver),
|
|
1,
|
|
(Standard_Address)_Ancestors,
|
|
(Standard_Address)NULL);
|
|
|
|
return _aType;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : DownCast
|
|
//purpose :
|
|
//=======================================================================
|
|
const Handle(GEOMImpl_ShapeDriver) Handle(GEOMImpl_ShapeDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
|
|
{
|
|
Handle(GEOMImpl_ShapeDriver) _anOtherObject;
|
|
|
|
if (!AnObject.IsNull()) {
|
|
if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ShapeDriver))) {
|
|
_anOtherObject = Handle(GEOMImpl_ShapeDriver)((Handle(GEOMImpl_ShapeDriver)&)AnObject);
|
|
}
|
|
}
|
|
|
|
return _anOtherObject;
|
|
}
|