void BRepOffsetAPI_MakeOffsetFix::AddWire(const TopoDS_Wire& Spine)
{
TopoDS_Wire wire = Spine;
int numEdges = 0;
TopExp_Explorer xp(wire, TopAbs_EDGE);
while (xp.More()) {
numEdges++;
xp.Next();
}
if (numEdges == 1) {
TopLoc_Location edgeLocation;
BRepBuilderAPI_MakeWire mkWire;
TopExp_Explorer xp(wire, TopAbs_EDGE);
while (xp.More()) {
// The trick is to reset the placement of an edge before
// passing it to BRepOffsetAPI_MakeOffset because then it
// will create the expected result.
// Afterwards apply the placement again on the result shape.
// See the method MakeWire()
TopoDS_Edge edge = TopoDS::Edge(xp.Current());
edgeLocation = edge.Location();
edge.Location(TopLoc_Location());
mkWire.Add(edge);
myLocations.push_back(std::make_pair(edge, edgeLocation));
xp.Next();
}
wire = mkWire.Wire();
}
mkOffset.AddWire(wire);
myResult.Nullify();
}
// sometimes, we ask to replace the ending points of the curve
// in gluing operations for example
void OCCEdge::replaceEndingPointsInternals(GVertex *g0, GVertex *g1)
{
TopoDS_Vertex aV1 = *((TopoDS_Vertex*)v0->getNativePtr());
TopoDS_Vertex aV2 = *((TopoDS_Vertex*)v1->getNativePtr());
TopoDS_Vertex aVR1 = *((TopoDS_Vertex*)g0->getNativePtr());
TopoDS_Vertex aVR2 = *((TopoDS_Vertex*)g1->getNativePtr());
// printf("%p %p --- %p %p replacing %d %d by %d %d in occedge %d\n",
// v0,v1,g0,g1,v0->tag(),v1->tag(),g0->tag(),g1->tag(),tag());
Standard_Boolean bIsDE = BRep_Tool::Degenerated(c);
TopoDS_Edge aEx = c;
aEx.Orientation(TopAbs_FORWARD);
Standard_Real t1=s0;
Standard_Real t2=s1;
aVR1.Orientation(TopAbs_FORWARD);
aVR2.Orientation(TopAbs_REVERSED);
if (bIsDE) {
Standard_Real aTol;
BRep_Builder aBB;
TopoDS_Edge E;
//TopAbs_Orientation anOrE;
//anOrE = c.Orientation();
aTol = BRep_Tool::Tolerance(c);
E = aEx;
E.EmptyCopy();
aBB.Add(E, aVR1);
aBB.Add(E, aVR2);
aBB.Range(E, t1, t2);
aBB.Degenerated(E, Standard_True);
aBB.UpdateEdge(E, aTol);
_replacement=E;
}
else {
#if (OCC_VERSION_MAJOR == 6) && (OCC_VERSION_MINOR < 6)
BOPTools_Tools::MakeSplitEdge(aEx, aVR1, t1, aVR2, t2, _replacement);
#else
BOPTools_AlgoTools::MakeSplitEdge(aEx, aVR1, t1, aVR2, t2, _replacement);
#endif
}
TopoDS_Edge temp = c;
c = _replacement;
_replacement = temp;
curve = BRep_Tool::Curve(c, s0, s1);
//build the reverse curve
c_rev = c;
c_rev.Reverse();
}
bool Edgecluster::IsValidEdge(const TopoDS_Edge& edge)
{
if ( edge.IsNull() )
return false;
if ( BRep_Tool::Degenerated(edge) )
return false;
BRepAdaptor_Curve bac(edge);
Standard_Real fparam = bac.FirstParameter();
Standard_Real lparam = bac.LastParameter();
gp_Pnt fpoint = bac.Value(fparam);
gp_Pnt lpoint = bac.Value(lparam);
//do not test the distance first last in case of a full circle edge (fpoint == lastpoint)
//if ( fpoint.IsEqual(lpoint,1e-5 ) )
// return false;
gp_Pnt mpoint = bac.Value((fparam+lparam)*0.5);
Standard_Real dist = mpoint.Distance(lpoint);
if ( dist <= 1e-5 )
return false;
dist = mpoint.Distance(fpoint);
if ( dist <= 1e-5 )
return false;
return true;
}
//=======================================================================
//function : GetEdgeOff
//purpose :
//=======================================================================
Standard_Boolean GEOMAlgo_Tools3D::GetEdgeOff(const TopoDS_Edge& theE1,
const TopoDS_Face& theF2,
TopoDS_Edge& theE2)
{
Standard_Boolean bFound;
TopAbs_Orientation aOr1, aOr1C, aOr2;
TopExp_Explorer anExp;
//
bFound=Standard_False;
aOr1=theE1.Orientation();
aOr1C=TopAbs::Reverse(aOr1);
//
anExp.Init(theF2, TopAbs_EDGE);
for (; anExp.More(); anExp.Next()) {
const TopoDS_Edge& aEF2=TopoDS::Edge(anExp.Current());
if (aEF2.IsSame(theE1)) {
aOr2=aEF2.Orientation();
if (aOr2==aOr1C) {
theE2=aEF2;
bFound=!bFound;
return bFound;
}
}
}
return bFound;
}
//=======================================================================
//function :IsSplitToReverse
//purpose :
//=======================================================================
Standard_Boolean GEOMAlgo_Tools3D::IsSplitToReverse(const TopoDS_Edge& theSplit,
const TopoDS_Edge& theEdge,
IntTools_Context& theContext)
{
Standard_Boolean bRet, aFlag, bIsDegenerated;
Standard_Real aTE, aTS, aScPr, aTa, aTb, aT1, aT2;
TopAbs_Orientation aOrSr, aOrSp;
Handle(Geom_Curve) aCEdge, aCSplit;
gp_Vec aVE, aVS;
gp_Pnt aP;
//
bRet=Standard_False;
//
bIsDegenerated=(BRep_Tool::Degenerated(theSplit) ||
BRep_Tool::Degenerated(theEdge));
if (bIsDegenerated) {
return bRet;
}
//
aCEdge =BRep_Tool::Curve(theEdge , aT1, aT2);
aCSplit=BRep_Tool::Curve(theSplit, aTa, aTb);
//
if (aCEdge==aCSplit) {
aOrSr=theEdge.Orientation();
aOrSp=theSplit.Orientation();
bRet=(aOrSr!=aOrSp);
return bRet;
}
//
aTS=BOPTools_Tools2D::IntermediatePoint(aTa, aTb);
aCSplit->D0(aTS, aP);
aFlag=BOPTools_Tools2D::EdgeTangent(theSplit, aTS, aVS);
gp_Dir aDTS(aVS);
//
aFlag=theContext.ProjectPointOnEdge(aP, theEdge, aTE);
aFlag=BOPTools_Tools2D::EdgeTangent(theEdge, aTE, aVE);
gp_Dir aDTE(aVE);
//
aScPr=aDTS*aDTE;
bRet=(aScPr<0.);
//
return bRet;
}
TopoDS_Edge
StdMeshers_Hexa_3D::EdgeNotInFace(SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
const TopoDS_Face & aFace,
const TopoDS_Vertex & aVertex,
const TopTools_IndexedDataMapOfShapeListOfShape & MS)
{
//MESSAGE("StdMeshers_Hexa_3D::EdgeNotInFace");
TopTools_IndexedDataMapOfShapeListOfShape MF;
TopExp::MapShapesAndAncestors(aFace, TopAbs_VERTEX, TopAbs_EDGE, MF);
const TopTools_ListOfShape & ancestorsInSolid = MS.FindFromKey(aVertex);
const TopTools_ListOfShape & ancestorsInFace = MF.FindFromKey(aVertex);
// SCRUTE(ancestorsInSolid.Extent());
// SCRUTE(ancestorsInFace.Extent());
ASSERT(ancestorsInSolid.Extent() == 6); // 6 (edges doublees)
ASSERT(ancestorsInFace.Extent() == 2);
TopoDS_Edge E;
E.Nullify();
TopTools_ListIteratorOfListOfShape its(ancestorsInSolid);
for (; its.More(); its.Next())
{
TopoDS_Shape ancestor = its.Value();
TopTools_ListIteratorOfListOfShape itf(ancestorsInFace);
bool isInFace = false;
for (; itf.More(); itf.Next())
{
TopoDS_Shape ancestorInFace = itf.Value();
if (ancestorInFace.IsSame(ancestor))
{
isInFace = true;
break;
}
}
if (!isInFace)
{
E = TopoDS::Edge(ancestor);
break;
}
}
return E;
}
//=======================================================================
//function : SamePnt2d
//purpose :
//=======================================================================
static Standard_Boolean SamePnt2d(TopoDS_Vertex V,
TopoDS_Edge& E1,
TopoDS_Edge& E2,
TopoDS_Face& F)
{
Standard_Real f1,f2,l1,l2;
gp_Pnt2d P1,P2;
TopoDS_Shape aLocalF = F.Oriented(TopAbs_FORWARD);
TopoDS_Face FF = TopoDS::Face(aLocalF);
Handle(Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E1,FF,f1,l1);
Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E2,FF,f2,l2);
if (E1.Orientation () == TopAbs_FORWARD) P1 = C1->Value(f1);
else P1 = C1->Value(l1);
if (E2.Orientation () == TopAbs_FORWARD) P2 = C2->Value(l2);
else P2 = C2->Value(f2);
Standard_Real Tol = 100*BRep_Tool::Tolerance(V);
Standard_Real Dist = P1.Distance(P2);
return Dist < Tol;
}
bool SMESH_Algo::GetSortedNodesOnEdge(const SMESHDS_Mesh* theMesh,
const TopoDS_Edge& theEdge,
const bool ignoreMediumNodes,
map< double, const SMDS_MeshNode* > & theNodes)
{
theNodes.clear();
if ( !theMesh || theEdge.IsNull() )
return false;
SMESHDS_SubMesh * eSubMesh = theMesh->MeshElements( theEdge );
if ( !eSubMesh || !eSubMesh->GetElements()->more() )
return false; // edge is not meshed
int nbNodes = 0;
set < double > paramSet;
if ( eSubMesh )
{
// loop on nodes of an edge: sort them by param on edge
SMDS_NodeIteratorPtr nIt = eSubMesh->GetNodes();
while ( nIt->more() )
{
const SMDS_MeshNode* node = nIt->next();
if ( ignoreMediumNodes ) {
SMDS_ElemIteratorPtr elemIt = node->GetInverseElementIterator();
if ( elemIt->more() && elemIt->next()->IsMediumNode( node ))
continue;
}
const SMDS_PositionPtr& pos = node->GetPosition();
if ( pos->GetTypeOfPosition() != SMDS_TOP_EDGE )
return false;
const SMDS_EdgePosition* epos =
static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
theNodes.insert( make_pair( epos->GetUParameter(), node ));
++nbNodes;
}
}
// add vertex nodes
TopoDS_Vertex v1, v2;
TopExp::Vertices(theEdge, v1, v2);
const SMDS_MeshNode* n1 = VertexNode( v1, (SMESHDS_Mesh*) theMesh );
const SMDS_MeshNode* n2 = VertexNode( v2, (SMESHDS_Mesh*) theMesh );
Standard_Real f, l;
BRep_Tool::Range(theEdge, f, l);
if ( v1.Orientation() != TopAbs_FORWARD )
std::swap( f, l );
if ( n1 && ++nbNodes )
theNodes.insert( make_pair( f, n1 ));
if ( n2 && ++nbNodes )
theNodes.insert( make_pair( l, n2 ));
return theNodes.size() == nbNodes;
}
bool SMESH_Algo::GetNodeParamOnEdge(const SMESHDS_Mesh* theMesh,
const TopoDS_Edge& theEdge,
vector< double > & theParams)
{
theParams.clear();
if ( !theMesh || theEdge.IsNull() )
return false;
SMESHDS_SubMesh * eSubMesh = theMesh->MeshElements( theEdge );
if ( !eSubMesh || !eSubMesh->GetElements()->more() )
return false; // edge is not meshed
//int nbEdgeNodes = 0;
set < double > paramSet;
if ( eSubMesh )
{
// loop on nodes of an edge: sort them by param on edge
SMDS_NodeIteratorPtr nIt = eSubMesh->GetNodes();
while ( nIt->more() )
{
const SMDS_MeshNode* node = nIt->next();
const SMDS_PositionPtr& pos = node->GetPosition();
if ( pos->GetTypeOfPosition() != SMDS_TOP_EDGE )
return false;
const SMDS_EdgePosition* epos =
static_cast<const SMDS_EdgePosition*>(node->GetPosition().get());
if ( !paramSet.insert( epos->GetUParameter() ).second )
return false; // equal parameters
}
}
// add vertex nodes params
TopoDS_Vertex V1,V2;
TopExp::Vertices( theEdge, V1, V2);
if ( VertexNode( V1, theMesh ) &&
!paramSet.insert( BRep_Tool::Parameter(V1,theEdge) ).second )
return false; // there are equal parameters
if ( VertexNode( V2, theMesh ) &&
!paramSet.insert( BRep_Tool::Parameter(V2,theEdge) ).second )
return false; // there are equal parameters
// fill the vector
theParams.resize( paramSet.size() );
set < double >::iterator par = paramSet.begin();
vector< double >::iterator vecPar = theParams.begin();
for ( ; par != paramSet.end(); ++par, ++vecPar )
*vecPar = *par;
return theParams.size() > 1;
}
StdMeshers_FaceSide *
StdMeshers_CompositeSegment_1D::GetFaceSide(SMESH_Mesh& aMesh,
const TopoDS_Edge& anEdge,
const TopoDS_Face& aFace,
const bool ignoreMeshed)
{
list< TopoDS_Edge > edges;
edges.push_back( anEdge );
list <const SMESHDS_Hypothesis *> hypList;
SMESH_Algo* theAlgo = aMesh.GetGen()->GetAlgo( aMesh, anEdge );
if ( theAlgo ) hypList = theAlgo->GetUsedHypothesis(aMesh, anEdge, false);
for ( int forward = 0; forward < 2; ++forward )
{
TopoDS_Edge eNext = nextC1Edge( anEdge, aMesh, forward );
while ( !eNext.IsNull() ) {
if ( ignoreMeshed ) {
// eNext must not have computed mesh
if ( SMESHDS_SubMesh* sm = aMesh.GetMeshDS()->MeshElements(eNext) )
if ( sm->NbNodes() || sm->NbElements() )
break;
}
// eNext must have same hypotheses
SMESH_Algo* algo = aMesh.GetGen()->GetAlgo( aMesh, eNext );
if ( !algo ||
string(theAlgo->GetName()) != algo->GetName() ||
hypList != algo->GetUsedHypothesis(aMesh, eNext, false))
break;
if ( forward )
edges.push_back( eNext );
else
edges.push_front( eNext );
eNext = nextC1Edge( eNext, aMesh, forward );
}
}
return new StdMeshers_FaceSide( aFace, edges, &aMesh, true, false );
}
void Edgecluster::Perform(const TopoDS_Edge& edge)
{
if ( edge.IsNull() )
return;
TopoDS_Vertex V1,V2;
TopExp::Vertices(edge,V1,V2);
gp_Pnt P1 = BRep_Tool::Pnt(V1);
gp_Pnt P2 = BRep_Tool::Pnt(V2);
tEdgeVector emptyList;
std::pair<tMapPntEdge::iterator,bool> iter = m_vertices.insert(tMapPntEdgePair(P1,emptyList));
iter.first->second.push_back(edge);
iter = m_vertices.insert(tMapPntEdgePair(P2,emptyList));
iter.first->second.push_back(edge);
}
int convert_to_ifc(const TopoDS_Edge& e, IfcSchema::IfcEdge*& edge, bool advanced) {
double a, b;
TopExp_Explorer exp(e, TopAbs_VERTEX);
if (!exp.More()) return 0;
TopoDS_Vertex v1 = TopoDS::Vertex(exp.Current());
exp.Next();
if (!exp.More()) return 0;
TopoDS_Vertex v2 = TopoDS::Vertex(exp.Current());
IfcSchema::IfcVertex *vertex1, *vertex2;
if (!(convert_to_ifc(v1, vertex1, advanced) && convert_to_ifc(v2, vertex2, advanced))) {
return 0;
}
Handle_Geom_Curve crv = BRep_Tool::Curve(e, a, b);
if (crv.IsNull()) {
return 0;
}
if (crv->DynamicType() == STANDARD_TYPE(Geom_Line) && !advanced) {
IfcSchema::IfcEdge* edge2 = new IfcSchema::IfcEdge(vertex1, vertex2);
edge = new IfcSchema::IfcOrientedEdge(edge2, true);
return 1;
} else {
IfcSchema::IfcCurve* curve;
if (!convert_to_ifc(crv, curve, advanced)) {
return 0;
}
/// @todo probably not correct
const bool sense = e.Orientation() == TopAbs_FORWARD;
IfcSchema::IfcEdge* edge2 = new IfcSchema::IfcEdgeCurve(vertex1, vertex2, curve, true);
edge = new IfcSchema::IfcOrientedEdge(edge2, sense);
return 1;
}
}
App::DocumentObjectExecReturn *Draft::execute(void)
{
// Get parameters
// Base shape
Part::TopoShape TopShape;
try {
TopShape = getBaseShape();
} catch (Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
// Faces where draft should be applied
// Note: Cannot be const reference currently because of BRepOffsetAPI_DraftAngle::Remove() bug, see below
std::vector<std::string> SubVals = Base.getSubValuesStartsWith("Face");
if (SubVals.size() == 0)
return new App::DocumentObjectExecReturn("No faces specified");
// Draft angle
double angle = Angle.getValue() / 180.0 * M_PI;
// Pull direction
gp_Dir pullDirection;
App::DocumentObject* refDirection = PullDirection.getValue();
if (refDirection != NULL) {
if (refDirection->getTypeId().isDerivedFrom(PartDesign::Line::getClassTypeId())) {
PartDesign::Line* line = static_cast<PartDesign::Line*>(refDirection);
Base::Vector3d d = line->getDirection();
pullDirection = gp_Dir(d.x, d.y, d.z);
} else if (refDirection->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
std::vector<std::string> subStrings = PullDirection.getSubValues();
if (subStrings.empty() || subStrings[0].empty())
throw Base::Exception("No pull direction reference specified");
Part::Feature* refFeature = static_cast<Part::Feature*>(refDirection);
Part::TopoShape refShape = refFeature->Shape.getShape();
TopoDS_Shape ref = refShape.getSubShape(subStrings[0].c_str());
if (ref.ShapeType() == TopAbs_EDGE) {
TopoDS_Edge refEdge = TopoDS::Edge(ref);
if (refEdge.IsNull())
throw Base::Exception("Failed to extract pull direction reference edge");
BRepAdaptor_Curve adapt(refEdge);
if (adapt.GetType() != GeomAbs_Line)
throw Base::Exception("Pull direction reference edge must be linear");
pullDirection = adapt.Line().Direction();
} else {
throw Base::Exception("Pull direction reference must be an edge or a datum line");
}
} else {
throw Base::Exception("Pull direction reference must be an edge of a feature or a datum line");
}
TopLoc_Location invObjLoc = this->getLocation().Inverted();
pullDirection.Transform(invObjLoc.Transformation());
}
// Neutral plane
gp_Pln neutralPlane;
App::DocumentObject* refPlane = NeutralPlane.getValue();
if (refPlane == NULL) {
// Try to guess a neutral plane from the first selected face
// Get edges of first selected face
TopoDS_Shape face = TopShape.getSubShape(SubVals[0].c_str());
TopTools_IndexedMapOfShape mapOfEdges;
TopExp::MapShapes(face, TopAbs_EDGE, mapOfEdges);
bool found = false;
for (int i = 1; i <= mapOfEdges.Extent(); i++) {
// Note: What happens if mapOfEdges(i) is the degenerated edge of a cone?
// But in that case the draft is not possible anyway!
BRepAdaptor_Curve c(TopoDS::Edge(mapOfEdges(i)));
gp_Pnt p1 = c.Value(c.FirstParameter());
gp_Pnt p2 = c.Value(c.LastParameter());
if (c.IsClosed()) {
// Edge is a circle or a circular arc (other types are not allowed for drafting)
neutralPlane = gp_Pln(p1, c.Circle().Axis().Direction());
found = true;
break;
} else {
// Edge is linear
// Find midpoint of edge and create auxiliary plane through midpoint normal to edge
gp_Pnt pm = c.Value((c.FirstParameter() + c.LastParameter()) / 2.0);
Handle(Geom_Plane) aux = new Geom_Plane(pm, gp_Dir(p2.X() - p1.X(), p2.Y() - p1.Y(), p2.Z() - p1.Z()));
// Intersect plane with face. Is there no easier way?
BRepAdaptor_Surface adapt(TopoDS::Face(face), Standard_False);
Handle(Geom_Surface) sf = adapt.Surface().Surface();
GeomAPI_IntSS intersector(aux, sf, Precision::Confusion());
if (!intersector.IsDone())
continue;
Handle(Geom_Curve) icurve = intersector.Line(1);
if (!icurve->IsKind(STANDARD_TYPE(Geom_Line)))
continue;
// TODO: How to extract the line from icurve without creating an edge first?
TopoDS_Edge edge = BRepBuilderAPI_MakeEdge(icurve);
BRepAdaptor_Curve c(edge);
neutralPlane = gp_Pln(pm, c.Line().Direction());
found = true;
break;
}
}
if (!found)
throw Base::Exception("No neutral plane specified and none can be guessed");
} else {
if (refPlane->getTypeId().isDerivedFrom(PartDesign::Plane::getClassTypeId())) {
PartDesign::Plane* plane = static_cast<PartDesign::Plane*>(refPlane);
Base::Vector3d b = plane->getBasePoint();
Base::Vector3d n = plane->getNormal();
neutralPlane = gp_Pln(gp_Pnt(b.x, b.y, b.z), gp_Dir(n.x, n.y, n.z));
} else if (refPlane->getTypeId().isDerivedFrom(App::Plane::getClassTypeId())) {
neutralPlane = Feature::makePlnFromPlane(refPlane);
} else if (refPlane->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
std::vector<std::string> subStrings = NeutralPlane.getSubValues();
if (subStrings.empty() || subStrings[0].empty())
throw Base::Exception("No neutral plane reference specified");
Part::Feature* refFeature = static_cast<Part::Feature*>(refPlane);
Part::TopoShape refShape = refFeature->Shape.getShape();
TopoDS_Shape ref = refShape.getSubShape(subStrings[0].c_str());
if (ref.ShapeType() == TopAbs_FACE) {
TopoDS_Face refFace = TopoDS::Face(ref);
if (refFace.IsNull())
throw Base::Exception("Failed to extract neutral plane reference face");
BRepAdaptor_Surface adapt(refFace);
if (adapt.GetType() != GeomAbs_Plane)
throw Base::Exception("Neutral plane reference face must be planar");
neutralPlane = adapt.Plane();
} else if (ref.ShapeType() == TopAbs_EDGE) {
if (refDirection != NULL) {
// Create neutral plane through edge normal to pull direction
TopoDS_Edge refEdge = TopoDS::Edge(ref);
if (refEdge.IsNull())
throw Base::Exception("Failed to extract neutral plane reference edge");
BRepAdaptor_Curve c(refEdge);
if (c.GetType() != GeomAbs_Line)
throw Base::Exception("Neutral plane reference edge must be linear");
double a = c.Line().Angle(gp_Lin(c.Value(c.FirstParameter()), pullDirection));
if (std::fabs(a - M_PI_2) > Precision::Confusion())
throw Base::Exception("Neutral plane reference edge must be normal to pull direction");
neutralPlane = gp_Pln(c.Value(c.FirstParameter()), pullDirection);
} else {
throw Base::Exception("Neutral plane reference can only be an edge if pull direction is defined");
}
} else {
throw Base::Exception("Neutral plane reference must be a face");
}
} else {
throw Base::Exception("Neutral plane reference must be face of a feature or a datum plane");
}
TopLoc_Location invObjLoc = this->getLocation().Inverted();
neutralPlane.Transform(invObjLoc.Transformation());
}
if (refDirection == NULL) {
// Choose pull direction normal to neutral plane
pullDirection = neutralPlane.Axis().Direction();
}
// Reversed pull direction
bool reversed = Reversed.getValue();
if (reversed)
angle *= -1.0;
this->positionByBaseFeature();
// create an untransformed copy of the base shape
Part::TopoShape baseShape(TopShape);
baseShape.setTransform(Base::Matrix4D());
try {
BRepOffsetAPI_DraftAngle mkDraft;
// Note:
// LocOpe_SplitDrafts can split a face with a wire and apply draft to both parts
// Not clear though whether the face must have free boundaries
// LocOpe_DPrism can create a stand-alone draft prism. The sketch can only have a single
// wire, though.
// BRepFeat_MakeDPrism requires a support for the operation but will probably support multiple
// wires in the sketch
bool success;
do {
success = true;
mkDraft.Init(baseShape.getShape());
for (std::vector<std::string>::iterator it=SubVals.begin(); it != SubVals.end(); ++it) {
TopoDS_Face face = TopoDS::Face(baseShape.getSubShape(it->c_str()));
// TODO: What is the flag for?
mkDraft.Add(face, pullDirection, angle, neutralPlane);
if (!mkDraft.AddDone()) {
// Note: the function ProblematicShape returns the face on which the error occurred
// Note: mkDraft.Remove() stumbles on a bug in Draft_Modification::Remove() and is
// therefore unusable. See http://forum.freecadweb.org/viewtopic.php?f=10&t=3209&start=10#p25341
// The only solution is to discard mkDraft and start over without the current face
// mkDraft.Remove(face);
Base::Console().Error("Adding face failed on %s. Omitted\n", it->c_str());
success = false;
SubVals.erase(it);
break;
}
}
}
while (!success);
mkDraft.Build();
if (!mkDraft.IsDone())
return new App::DocumentObjectExecReturn("Failed to create draft");
TopoDS_Shape shape = mkDraft.Shape();
if (shape.IsNull())
return new App::DocumentObjectExecReturn("Resulting shape is null");
this->Shape.setValue(getSolid(shape));
return App::DocumentObject::StdReturn;
}
catch (Standard_Failure) {
Handle(Standard_Failure) e = Standard_Failure::Caught();
return new App::DocumentObjectExecReturn(e->GetMessageString());
}
}
void ProfileBased::getAxis(const App::DocumentObject *pcReferenceAxis, const std::vector<std::string> &subReferenceAxis,
Base::Vector3d& base, Base::Vector3d& dir)
{
dir = Base::Vector3d(0,0,0); // If unchanged signals that no valid axis was found
if (pcReferenceAxis == NULL)
return;
App::DocumentObject* profile = Profile.getValue();
gp_Pln sketchplane;
if (profile->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
Part::Part2DObject* sketch = getVerifiedSketch();
Base::Placement SketchPlm = sketch->Placement.getValue();
Base::Vector3d SketchVector = Base::Vector3d(0, 0, 1);
Base::Rotation SketchOrientation = SketchPlm.getRotation();
SketchOrientation.multVec(SketchVector, SketchVector);
Base::Vector3d SketchPos = SketchPlm.getPosition();
sketchplane = gp_Pln(gp_Pnt(SketchPos.x, SketchPos.y, SketchPos.z), gp_Dir(SketchVector.x, SketchVector.y, SketchVector.z));
if (pcReferenceAxis == profile) {
bool hasValidAxis = false;
Base::Axis axis;
if (subReferenceAxis[0] == "V_Axis") {
hasValidAxis = true;
axis = sketch->getAxis(Part::Part2DObject::V_Axis);
}
else if (subReferenceAxis[0] == "H_Axis") {
hasValidAxis = true;
axis = sketch->getAxis(Part::Part2DObject::H_Axis);
}
else if (subReferenceAxis[0].size() > 4 && subReferenceAxis[0].substr(0, 4) == "Axis") {
int AxId = std::atoi(subReferenceAxis[0].substr(4, 4000).c_str());
if (AxId >= 0 && AxId < sketch->getAxisCount()) {
hasValidAxis = true;
axis = sketch->getAxis(AxId);
}
}
if (hasValidAxis) {
axis *= SketchPlm;
base = axis.getBase();
dir = axis.getDirection();
return;
} //else - an edge of the sketch was selected as an axis
}
}
else if (profile->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
Base::Placement SketchPlm = getVerifiedObject()->Placement.getValue();
Base::Vector3d SketchVector = getProfileNormal();
Base::Vector3d SketchPos = SketchPlm.getPosition();
sketchplane = gp_Pln(gp_Pnt(SketchPos.x, SketchPos.y, SketchPos.z), gp_Dir(SketchVector.x, SketchVector.y, SketchVector.z));
}
// get reference axis
if (pcReferenceAxis->getTypeId().isDerivedFrom(PartDesign::Line::getClassTypeId())) {
const PartDesign::Line* line = static_cast<const PartDesign::Line*>(pcReferenceAxis);
base = line->getBasePoint();
dir = line->getDirection();
// Check that axis is perpendicular with sketch plane!
if (sketchplane.Axis().Direction().IsParallel(gp_Dir(dir.x, dir.y, dir.z), Precision::Angular()))
throw Base::ValueError("Rotation axis must not be perpendicular with the sketch plane");
return;
}
if (pcReferenceAxis->getTypeId().isDerivedFrom(App::Line::getClassTypeId())) {
const App::Line* line = static_cast<const App::Line*>(pcReferenceAxis);
base = Base::Vector3d(0,0,0);
line->Placement.getValue().multVec(Base::Vector3d (1,0,0), dir);
// Check that axis is perpendicular with sketch plane!
if (sketchplane.Axis().Direction().IsParallel(gp_Dir(dir.x, dir.y, dir.z), Precision::Angular()))
throw Base::ValueError("Rotation axis must not be perpendicular with the sketch plane");
return;
}
if (pcReferenceAxis->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
if (subReferenceAxis.empty())
throw Base::ValueError("No rotation axis reference specified");
const Part::Feature* refFeature = static_cast<const Part::Feature*>(pcReferenceAxis);
Part::TopoShape refShape = refFeature->Shape.getShape();
TopoDS_Shape ref = refShape.getSubShape(subReferenceAxis[0].c_str());
if (ref.ShapeType() == TopAbs_EDGE) {
TopoDS_Edge refEdge = TopoDS::Edge(ref);
if (refEdge.IsNull())
throw Base::ValueError("Failed to extract rotation edge");
BRepAdaptor_Curve adapt(refEdge);
if (adapt.GetType() != GeomAbs_Line)
throw Base::TypeError("Rotation edge must be a straight line");
gp_Pnt b = adapt.Line().Location();
base = Base::Vector3d(b.X(), b.Y(), b.Z());
gp_Dir d = adapt.Line().Direction();
dir = Base::Vector3d(d.X(), d.Y(), d.Z());
// Check that axis is co-planar with sketch plane!
// Check that axis is perpendicular with sketch plane!
if (sketchplane.Axis().Direction().IsParallel(d, Precision::Angular()))
throw Base::ValueError("Rotation axis must not be perpendicular with the sketch plane");
return;
} else {
throw Base::TypeError("Rotation reference must be an edge");
}
}
throw Base::TypeError("Rotation axis reference is invalid");
}
const std::list<gp_Trsf> LinearPattern::getTransformations(const std::vector<App::DocumentObject*>)
{
std::string stdDirection = StdDirection.getValue();
float distance = Length.getValue();
if (distance < Precision::Confusion())
throw Base::Exception("Pattern length too small");
int occurrences = Occurrences.getValue();
if (occurrences < 2)
throw Base::Exception("At least two occurrences required");
bool reversed = Reversed.getValue();
gp_Dir dir;
double offset = distance / (occurrences - 1);
if (!stdDirection.empty()) {
// Note: The placement code commented out below had the defect of working always on the
// absolute X,Y,Z direction, not on the relative coordinate system of the Body feature.
// It requires positionBySupport() to be called in Transformed::Execute() AFTER
// the call to getTransformations()
// New code thanks to logari81
if (stdDirection == "X") {
//dir = Base::Axis(Base::Vector3d(0,0,0), Base::Vector3d(1,0,0));
dir = gp_Dir(1,0,0);
} else if (stdDirection == "Y") {
//dir = Base::Axis(Base::Vector3d(0,0,0), Base::Vector3d(0,1,0));
dir = gp_Dir(0,1,0);
} else if(stdDirection == "Z") {
//dir = Base::Axis(Base::Vector3d(0,0,0), Base::Vector3d(0,0,1));
dir = gp_Dir(0,0,1);
} else {
throw Base::Exception("Invalid direction (must be X, Y or Z)");
}
} else {
App::DocumentObject* refObject = Direction.getValue();
if (refObject == NULL)
throw Base::Exception("No direction specified");
if (!refObject->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
throw Base::Exception("Direction reference must be edge or face of a feature");
std::vector<std::string> subStrings = Direction.getSubValues();
if (subStrings.empty() || subStrings[0].empty())
throw Base::Exception("No direction reference specified");
Part::Feature* refFeature = static_cast<Part::Feature*>(refObject);
Part::TopoShape refShape = refFeature->Shape.getShape();
TopoDS_Shape ref = refShape.getSubShape(subStrings[0].c_str());
if (ref.ShapeType() == TopAbs_FACE) {
TopoDS_Face refFace = TopoDS::Face(ref);
if (refFace.IsNull())
throw Base::Exception("Failed to extract direction plane");
BRepAdaptor_Surface adapt(refFace);
if (adapt.GetType() != GeomAbs_Plane)
throw Base::Exception("Direction face must be planar");
dir = adapt.Plane().Axis().Direction();
//gp_Dir d = adapt.Plane().Axis().Direction();
//dir = Base::Axis(Base::Vector3d(0,0,0), Base::Vector3d(d.X(), d.Y(), d.Z()));
} else if (ref.ShapeType() == TopAbs_EDGE) {
TopoDS_Edge refEdge = TopoDS::Edge(ref);
if (refEdge.IsNull())
throw Base::Exception("Failed to extract direction edge");
BRepAdaptor_Curve adapt(refEdge);
if (adapt.GetType() != GeomAbs_Line)
throw Base::Exception("Direction edge must be a straight line");
//gp_Dir d = adapt.Line().Direction();
//dir = Base::Axis(Base::Vector3d(0,0,0), Base::Vector3d(d.X(), d.Y(), d.Z()));
dir = adapt.Line().Direction();
} else {
throw Base::Exception("Direction reference must be edge or face");
}
TopLoc_Location invObjLoc = this->getLocation().Inverted();
dir.Transform(invObjLoc.Transformation());
}
// get the support placement
// TODO: Check for NULL pointer
/*Part::Feature* supportFeature = static_cast<Part::Feature*>(originals.front());
if (supportFeature == NULL)
throw Base::Exception("Cannot work on invalid support shape");
Base::Placement supportPlacement = supportFeature->Placement.getValue();
dir *= supportPlacement;
gp_Vec direction(dir.getDirection().x, dir.getDirection().y, dir.getDirection().z);*/
gp_Vec direction(dir.X(), dir.Y(), dir.Z());
if (reversed)
direction.Reverse();
// Note: The original feature is NOT included in the list of transformations! Therefore
// we start with occurrence number 1, not number 0
std::list<gp_Trsf> transformations;
gp_Trsf trans;
transformations.push_back(trans); // identity transformation
for (int i = 1; i < occurrences; i++) {
trans.SetTranslation(direction * i * offset);
transformations.push_back(trans);
}
return transformations;
}
bool SMESH_MesherHelper::LoadNodeColumns(TParam2ColumnMap & theParam2ColumnMap,
const TopoDS_Face& theFace,
const TopoDS_Edge& theBaseEdge,
SMESHDS_Mesh* theMesh)
{
// get vertices of theBaseEdge
TopoDS_Vertex vfb, vlb, vft; // first and last, bottom and top vertices
TopoDS_Edge eFrw = TopoDS::Edge( theBaseEdge.Oriented( TopAbs_FORWARD ));
TopExp::Vertices( eFrw, vfb, vlb );
// find the other edges of theFace and orientation of e1
TopoDS_Edge e1, e2, eTop;
bool rev1, CumOri = false;
TopExp_Explorer exp( theFace, TopAbs_EDGE );
int nbEdges = 0;
for ( ; exp.More(); exp.Next() ) {
if ( ++nbEdges > 4 ) {
return false; // more than 4 edges in theFace
}
TopoDS_Edge e = TopoDS::Edge( exp.Current() );
if ( theBaseEdge.IsSame( e ))
continue;
TopoDS_Vertex vCommon;
if ( !TopExp::CommonVertex( theBaseEdge, e, vCommon ))
eTop = e;
else if ( vCommon.IsSame( vfb )) {
e1 = e;
vft = TopExp::LastVertex( e1, CumOri );
rev1 = vfb.IsSame( vft );
if ( rev1 )
vft = TopExp::FirstVertex( e1, CumOri );
}
else
e2 = e;
}
if ( nbEdges < 4 ) {
return false; // less than 4 edges in theFace
}
if ( e2.IsNull() && vfb.IsSame( vlb ))
e2 = e1;
// submeshes corresponding to shapes
SMESHDS_SubMesh* smFace = theMesh->MeshElements( theFace );
SMESHDS_SubMesh* smb = theMesh->MeshElements( theBaseEdge );
SMESHDS_SubMesh* smt = theMesh->MeshElements( eTop );
SMESHDS_SubMesh* sm1 = theMesh->MeshElements( e1 );
SMESHDS_SubMesh* sm2 = theMesh->MeshElements( e2 );
SMESHDS_SubMesh* smVfb = theMesh->MeshElements( vfb );
SMESHDS_SubMesh* smVlb = theMesh->MeshElements( vlb );
SMESHDS_SubMesh* smVft = theMesh->MeshElements( vft );
if (!smFace || !smb || !smt || !sm1 || !sm2 || !smVfb || !smVlb || !smVft ) {
RETURN_BAD_RESULT( "NULL submesh " <<smFace<<" "<<smb<<" "<<smt<<" "<<
sm1<<" "<<sm2<<" "<<smVfb<<" "<<smVlb<<" "<<smVft);
}
if ( smb->NbNodes() != smt->NbNodes() || sm1->NbNodes() != sm2->NbNodes() ) {
RETURN_BAD_RESULT(" Diff nb of nodes on opposite edges" );
}
if (smVfb->NbNodes() != 1 || smVlb->NbNodes() != 1 || smVft->NbNodes() != 1) {
RETURN_BAD_RESULT("Empty submesh of vertex");
}
// define whether mesh is quadratic
bool isQuadraticMesh = false;
SMDS_ElemIteratorPtr eIt = smFace->GetElements();
if ( !eIt->more() ) {
RETURN_BAD_RESULT("No elements on the face");
}
const SMDS_MeshElement* e = eIt->next();
isQuadraticMesh = e->IsQuadratic();
if ( sm1->NbNodes() * smb->NbNodes() != smFace->NbNodes() ) {
// check quadratic case
if ( isQuadraticMesh ) {
// what if there are quadrangles and triangles mixed?
// int n1 = sm1->NbNodes()/2;
// int n2 = smb->NbNodes()/2;
// int n3 = sm1->NbNodes() - n1;
// int n4 = smb->NbNodes() - n2;
// int nf = sm1->NbNodes()*smb->NbNodes() - n3*n4;
// if( nf != smFace->NbNodes() ) {
// MESSAGE( "Wrong nb face nodes: " <<
// sm1->NbNodes()<<" "<<smb->NbNodes()<<" "<<smFace->NbNodes());
// return false;
// }
}
else {
RETURN_BAD_RESULT( "Wrong nb face nodes: " <<
sm1->NbNodes()<<" "<<smb->NbNodes()<<" "<<smFace->NbNodes());
}
}
// IJ size
int vsize = sm1->NbNodes() + 2;
int hsize = smb->NbNodes() + 2;
if(isQuadraticMesh) {
vsize = vsize - sm1->NbNodes()/2 -1;
hsize = hsize - smb->NbNodes()/2 -1;
}
// load nodes from theBaseEdge
std::set<const SMDS_MeshNode*> loadedNodes;
const SMDS_MeshNode* nullNode = 0;
std::vector<const SMDS_MeshNode*> & nVecf = theParam2ColumnMap[ 0.];
nVecf.resize( vsize, nullNode );
loadedNodes.insert( nVecf[ 0 ] = smVfb->GetNodes()->next() );
std::vector<const SMDS_MeshNode*> & nVecl = theParam2ColumnMap[ 1.];
nVecl.resize( vsize, nullNode );
loadedNodes.insert( nVecl[ 0 ] = smVlb->GetNodes()->next() );
double f, l;
BRep_Tool::Range( eFrw, f, l );
double range = l - f;
SMDS_NodeIteratorPtr nIt = smb->GetNodes();
const SMDS_MeshNode* node;
while ( nIt->more() ) {
node = nIt->next();
if(IsMedium(node, SMDSAbs_Edge))
continue;
const SMDS_EdgePosition* pos =
dynamic_cast<const SMDS_EdgePosition*>( node->GetPosition().get() );
if ( !pos ) {
return false;
}
double u = ( pos->GetUParameter() - f ) / range;
std::vector<const SMDS_MeshNode*> & nVec = theParam2ColumnMap[ u ];
nVec.resize( vsize, nullNode );
loadedNodes.insert( nVec[ 0 ] = node );
}
if ( theParam2ColumnMap.size() != hsize ) {
RETURN_BAD_RESULT( "Wrong node positions on theBaseEdge" );
}
// load nodes from e1
std::map< double, const SMDS_MeshNode*> sortedNodes; // sort by param on edge
nIt = sm1->GetNodes();
while ( nIt->more() ) {
node = nIt->next();
if(IsMedium(node))
continue;
const SMDS_EdgePosition* pos =
dynamic_cast<const SMDS_EdgePosition*>( node->GetPosition().get() );
if ( !pos ) {
return false;
}
sortedNodes.insert( std::make_pair( pos->GetUParameter(), node ));
}
loadedNodes.insert( nVecf[ vsize - 1 ] = smVft->GetNodes()->next() );
std::map< double, const SMDS_MeshNode*>::iterator u_n = sortedNodes.begin();
int row = rev1 ? vsize - 1 : 0;
int dRow = rev1 ? -1 : +1;
for ( ; u_n != sortedNodes.end(); u_n++ ) {
row += dRow;
loadedNodes.insert( nVecf[ row ] = u_n->second );
}
// try to load the rest nodes
// get all faces from theFace
TIDSortedElemSet allFaces, foundFaces;
eIt = smFace->GetElements();
while ( eIt->more() ) {
const SMDS_MeshElement* e = eIt->next();
if ( e->GetType() == SMDSAbs_Face )
allFaces.insert( e );
}
// Starting from 2 neighbour nodes on theBaseEdge, look for a face
// the nodes belong to, and between the nodes of the found face,
// look for a not loaded node considering this node to be the next
// in a column of the starting second node. Repeat, starting
// from nodes next to the previous starting nodes in their columns,
// and so on while a face can be found. Then go the the next pair
// of nodes on theBaseEdge.
TParam2ColumnMap::iterator par_nVec_1 = theParam2ColumnMap.begin();
TParam2ColumnMap::iterator par_nVec_2 = par_nVec_1;
// loop on columns
int col = 0;
for ( par_nVec_2++; par_nVec_2 != theParam2ColumnMap.end(); par_nVec_1++, par_nVec_2++ ) {
col++;
row = 0;
const SMDS_MeshNode* n1 = par_nVec_1->second[ row ];
const SMDS_MeshNode* n2 = par_nVec_2->second[ row ];
const SMDS_MeshElement* face = 0;
bool lastColOnClosedFace = ( nVecf[ row ] == n2 );
do {
// look for a face by 2 nodes
face = SMESH_MeshEditor::FindFaceInSet( n1, n2, allFaces, foundFaces );
if ( face ) {
int nbFaceNodes = face->NbNodes();
if ( face->IsQuadratic() )
nbFaceNodes /= 2;
if ( nbFaceNodes>4 ) {
RETURN_BAD_RESULT(" Too many nodes in a face: " << nbFaceNodes );
}
// look for a not loaded node of the <face>
bool found = false;
const SMDS_MeshNode* n3 = 0; // a node defferent from n1 and n2
for ( int i = 0; i < nbFaceNodes && !found; ++i ) {
node = face->GetNode( i );
found = loadedNodes.insert( node ).second;
if ( !found && node != n1 && node != n2 )
n3 = node;
}
if ( lastColOnClosedFace && row + 1 < vsize ) {
node = nVecf[ row + 1 ];
found = ( face->GetNodeIndex( node ) >= 0 );
}
if ( found ) {
if ( ++row > vsize - 1 ) {
RETURN_BAD_RESULT( "Too many nodes in column "<< col <<": "<< row+1);
}
par_nVec_2->second[ row ] = node;
foundFaces.insert( face );
n2 = node;
if ( nbFaceNodes==4 ) {
n1 = par_nVec_1->second[ row ];
}
}
else if ( nbFaceNodes==3 && n3 == par_nVec_1->second[ row + 1 ] ) {
n1 = n3;
}
else {
RETURN_BAD_RESULT( "Not quad mesh, column "<< col );
}
}
}
while ( face && n1 && n2 );
if ( row < vsize - 1 ) {
MESSAGE( "Too few nodes in column "<< col <<": "<< row+1);
MESSAGE( "Base node 1: "<< par_nVec_1->second[0]);
MESSAGE( "Base node 2: "<< par_nVec_2->second[0]);
if ( n1 ) { MESSAGE( "Current node 1: "<< n1); }
else { MESSAGE( "Current node 1: NULL"); }
if ( n2 ) { MESSAGE( "Current node 2: "<< n2); }
else { MESSAGE( "Current node 2: NULL"); }
MESSAGE( "first base node: "<< theParam2ColumnMap.begin()->second[0]);
MESSAGE( "last base node: "<< theParam2ColumnMap.rbegin()->second[0]);
return false;
}
} // loop on columns
return true;
}
//=============================================================================
bool NETGENPlugin_Mesher::Compute()
{
#ifdef WNT
netgen::MeshingParameters& mparams = netgen::GlobalMeshingParameters();
#else
netgen::MeshingParameters& mparams = netgen::mparam;
#endif
MESSAGE("Compute with:\n"
" max size = " << mparams.maxh << "\n"
" segments per edge = " << mparams.segmentsperedge);
MESSAGE("\n"
" growth rate = " << mparams.grading << "\n"
" elements per radius = " << mparams.curvaturesafety << "\n"
" second order = " << mparams.secondorder << "\n"
" quad allowed = " << mparams.quad);
SMESH_ComputeErrorPtr error = SMESH_ComputeError::New();
nglib::Ng_Init();
// -------------------------
// Prepare OCC geometry
// -------------------------
netgen::OCCGeometry occgeo;
list< SMESH_subMesh* > meshedSM;
PrepareOCCgeometry( occgeo, _shape, *_mesh, &meshedSM );
// -------------------------
// Generate the mesh
// -------------------------
netgen::Mesh *ngMesh = NULL;
SMESH_Comment comment;
int err = 0;
int nbInitNod = 0;
int nbInitSeg = 0;
int nbInitFac = 0;
// vector of nodes in which node index == netgen ID
vector< SMDS_MeshNode* > nodeVec;
try
{
// ----------------
// compute 1D mesh
// ----------------
// pass 1D simple parameters to NETGEN
if ( _simpleHyp ) {
if ( int nbSeg = _simpleHyp->GetNumberOfSegments() ) {
// nb of segments
mparams.segmentsperedge = nbSeg + 0.1;
mparams.maxh = occgeo.boundingbox.Diam();
mparams.grading = 0.01;
}
else {
// segment length
mparams.segmentsperedge = 1;
mparams.maxh = _simpleHyp->GetLocalLength();
}
}
// let netgen create ngMesh and calculate element size on not meshed shapes
char *optstr = 0;
int startWith = netgen::MESHCONST_ANALYSE;
int endWith = netgen::MESHCONST_ANALYSE;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh() at MESHCONST_ANALYSE step";
// fill ngMesh with nodes and elements of computed submeshes
err = ! fillNgMesh(occgeo, *ngMesh, nodeVec, meshedSM);
nbInitNod = ngMesh->GetNP();
nbInitSeg = ngMesh->GetNSeg();
nbInitFac = ngMesh->GetNSE();
// compute mesh
if (!err)
{
startWith = endWith = netgen::MESHCONST_MESHEDGES;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh() at 1D mesh generation";
}
// ---------------------
// compute surface mesh
// ---------------------
if (!err)
{
// pass 2D simple parameters to NETGEN
if ( _simpleHyp ) {
if ( double area = _simpleHyp->GetMaxElementArea() ) {
// face area
mparams.maxh = sqrt(2. * area/sqrt(3.0));
mparams.grading = 0.4; // moderate size growth
}
else {
// length from edges
double length = 0;
TopTools_MapOfShape tmpMap;
for ( TopExp_Explorer exp( _shape, TopAbs_EDGE ); exp.More(); exp.Next() )
if( tmpMap.Add(exp.Current()) )
length += SMESH_Algo::EdgeLength( TopoDS::Edge( exp.Current() ));
if ( ngMesh->GetNSeg() ) {
// we have to multiply length by 2 since for each TopoDS_Edge there
// are double set of NETGEN edges or, in other words, we have to
// divide ngMesh->GetNSeg() on 2.
mparams.maxh = 2*length / ngMesh->GetNSeg();
}
else
mparams.maxh = 1000;
mparams.grading = 0.2; // slow size growth
}
mparams.maxh = min( mparams.maxh, occgeo.boundingbox.Diam()/2 );
ngMesh->SetGlobalH (mparams.maxh);
netgen::Box<3> bb = occgeo.GetBoundingBox();
bb.Increase (bb.Diam()/20);
ngMesh->SetLocalH (bb.PMin(), bb.PMax(), mparams.grading);
}
// let netgen compute 2D mesh
startWith = netgen::MESHCONST_MESHSURFACE;
endWith = _optimize ? netgen::MESHCONST_OPTSURFACE : netgen::MESHCONST_MESHSURFACE;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh() at surface mesh generation";
}
// ---------------------
// generate volume mesh
// ---------------------
if (!err && _isVolume)
{
// add ng face descriptors of meshed faces
std::map< int, std::pair<int,int> >::iterator fId_soIds = _faceDescriptors.begin();
for ( ; fId_soIds != _faceDescriptors.end(); ++fId_soIds ) {
int faceID = fId_soIds->first;
int solidID1 = fId_soIds->second.first;
int solidID2 = fId_soIds->second.second;
ngMesh->AddFaceDescriptor (netgen::FaceDescriptor(faceID, solidID1, solidID2, 0));
}
// pass 3D simple parameters to NETGEN
const NETGENPlugin_SimpleHypothesis_3D* simple3d =
dynamic_cast< const NETGENPlugin_SimpleHypothesis_3D* > ( _simpleHyp );
if ( simple3d ) {
if ( double vol = simple3d->GetMaxElementVolume() ) {
// max volume
mparams.maxh = pow( 72, 1/6. ) * pow( vol, 1/3. );
mparams.maxh = min( mparams.maxh, occgeo.boundingbox.Diam()/2 );
}
else {
// length from faces
mparams.maxh = ngMesh->AverageH();
}
// netgen::ARRAY<double> maxhdom;
// maxhdom.SetSize (occgeo.NrSolids());
// maxhdom = mparams.maxh;
// ngMesh->SetMaxHDomain (maxhdom);
ngMesh->SetGlobalH (mparams.maxh);
mparams.grading = 0.4;
ngMesh->CalcLocalH();
}
// let netgen compute 3D mesh
startWith = netgen::MESHCONST_MESHVOLUME;
endWith = _optimize ? netgen::MESHCONST_OPTVOLUME : netgen::MESHCONST_MESHVOLUME;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh()";
}
if (!err && mparams.secondorder > 0)
{
netgen::OCCRefinementSurfaces ref (occgeo);
ref.MakeSecondOrder (*ngMesh);
}
}
catch (netgen::NgException exc)
{
error->myName = err = COMPERR_ALGO_FAILED;
comment << exc.What();
}
int nbNod = ngMesh->GetNP();
int nbSeg = ngMesh->GetNSeg();
int nbFac = ngMesh->GetNSE();
int nbVol = ngMesh->GetNE();
MESSAGE((err ? "Mesh Generation failure" : "End of Mesh Generation") <<
", nb nodes: " << nbNod <<
", nb segments: " << nbSeg <<
", nb faces: " << nbFac <<
", nb volumes: " << nbVol);
// -----------------------------------------------------------
// Feed back the SMESHDS with the generated Nodes and Elements
// -----------------------------------------------------------
SMESHDS_Mesh* meshDS = _mesh->GetMeshDS();
bool isOK = ( !err && (_isVolume ? (nbVol > 0) : (nbFac > 0)) );
if ( true /*isOK*/ ) // get whatever built
{
// map of nodes assigned to submeshes
NCollection_Map<int> pindMap;
// create and insert nodes into nodeVec
nodeVec.resize( nbNod + 1 );
int i;
for (i = nbInitNod+1; i <= nbNod /*&& isOK*/; ++i )
{
const netgen::MeshPoint& ngPoint = ngMesh->Point(i);
SMDS_MeshNode* node = NULL;
bool newNodeOnVertex = false;
TopoDS_Vertex aVert;
if (i-nbInitNod <= occgeo.vmap.Extent())
{
// point on vertex
aVert = TopoDS::Vertex(occgeo.vmap(i-nbInitNod));
SMESHDS_SubMesh * submesh = meshDS->MeshElements(aVert);
if (submesh)
{
SMDS_NodeIteratorPtr it = submesh->GetNodes();
if (it->more())
{
node = const_cast<SMDS_MeshNode*> (it->next());
pindMap.Add(i);
}
}
if (!node)
newNodeOnVertex = true;
}
if (!node)
node = meshDS->AddNode(ngPoint.X(), ngPoint.Y(), ngPoint.Z());
if (!node)
{
MESSAGE("Cannot create a mesh node");
if ( !comment.size() ) comment << "Cannot create a mesh node";
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
nodeVec.at(i) = node;
if (newNodeOnVertex)
{
// point on vertex
meshDS->SetNodeOnVertex(node, aVert);
pindMap.Add(i);
}
}
// create mesh segments along geometric edges
NCollection_Map<Link> linkMap;
for (i = nbInitSeg+1; i <= nbSeg/* && isOK*/; ++i )
{
const netgen::Segment& seg = ngMesh->LineSegment(i);
Link link(seg.p1, seg.p2);
if (linkMap.Contains(link))
continue;
linkMap.Add(link);
TopoDS_Edge aEdge;
int pinds[3] = { seg.p1, seg.p2, seg.pmid };
int nbp = 0;
double param2 = 0;
for (int j=0; j < 3; ++j)
{
int pind = pinds[j];
if (pind <= 0) continue;
++nbp;
double param;
if (j < 2)
{
if (aEdge.IsNull())
{
int aGeomEdgeInd = seg.epgeominfo[j].edgenr;
if (aGeomEdgeInd > 0 && aGeomEdgeInd <= occgeo.emap.Extent())
aEdge = TopoDS::Edge(occgeo.emap(aGeomEdgeInd));
}
param = seg.epgeominfo[j].dist;
param2 += param;
}
else
param = param2 * 0.5;
if (pind <= nbInitNod || pindMap.Contains(pind))
continue;
if (!aEdge.IsNull())
{
meshDS->SetNodeOnEdge(nodeVec.at(pind), aEdge, param);
pindMap.Add(pind);
}
}
SMDS_MeshEdge* edge;
if (nbp < 3) // second order ?
edge = meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]));
else
edge = meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]),
nodeVec.at(pinds[2]));
if (!edge)
{
if ( !comment.size() ) comment << "Cannot create a mesh edge";
MESSAGE("Cannot create a mesh edge");
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aEdge.IsNull())
meshDS->SetMeshElementOnShape(edge, aEdge);
}
// create mesh faces along geometric faces
for (i = nbInitFac+1; i <= nbFac/* && isOK*/; ++i )
{
const netgen::Element2d& elem = ngMesh->SurfaceElement(i);
int aGeomFaceInd = elem.GetIndex();
TopoDS_Face aFace;
if (aGeomFaceInd > 0 && aGeomFaceInd <= occgeo.fmap.Extent())
aFace = TopoDS::Face(occgeo.fmap(aGeomFaceInd));
vector<SMDS_MeshNode*> nodes;
for (int j=1; j <= elem.GetNP(); ++j)
{
int pind = elem.PNum(j);
SMDS_MeshNode* node = nodeVec.at(pind);
nodes.push_back(node);
if (pind <= nbInitNod || pindMap.Contains(pind))
continue;
if (!aFace.IsNull())
{
const netgen::PointGeomInfo& pgi = elem.GeomInfoPi(j);
meshDS->SetNodeOnFace(node, aFace, pgi.u, pgi.v);
pindMap.Add(pind);
}
}
SMDS_MeshFace* face = NULL;
switch (elem.GetType())
{
case netgen::TRIG:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2]);
break;
case netgen::QUAD:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3]);
break;
case netgen::TRIG6:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[5],nodes[3],nodes[4]);
break;
case netgen::QUAD8:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3],
nodes[4],nodes[7],nodes[5],nodes[6]);
break;
default:
MESSAGE("NETGEN created a face of unexpected type, ignoring");
continue;
}
if (!face)
{
if ( !comment.size() ) comment << "Cannot create a mesh face";
MESSAGE("Cannot create a mesh face");
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aFace.IsNull())
meshDS->SetMeshElementOnShape(face, aFace);
}
// create tetrahedra
for (i = 1; i <= nbVol/* && isOK*/; ++i)
{
const netgen::Element& elem = ngMesh->VolumeElement(i);
int aSolidInd = elem.GetIndex();
TopoDS_Solid aSolid;
if (aSolidInd > 0 && aSolidInd <= occgeo.somap.Extent())
aSolid = TopoDS::Solid(occgeo.somap(aSolidInd));
vector<SMDS_MeshNode*> nodes;
for (int j=1; j <= elem.GetNP(); ++j)
{
int pind = elem.PNum(j);
SMDS_MeshNode* node = nodeVec.at(pind);
nodes.push_back(node);
if (pind <= nbInitNod || pindMap.Contains(pind))
continue;
if (!aSolid.IsNull())
{
// point in solid
meshDS->SetNodeInVolume(node, aSolid);
pindMap.Add(pind);
}
}
SMDS_MeshVolume* vol = NULL;
switch (elem.GetType())
{
case netgen::TET:
vol = meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3]);
break;
case netgen::TET10:
vol = meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3],
nodes[4],nodes[7],nodes[5],nodes[6],nodes[8],nodes[9]);
break;
default:
MESSAGE("NETGEN created a volume of unexpected type, ignoring");
continue;
}
if (!vol)
{
if ( !comment.size() ) comment << "Cannot create a mesh volume";
MESSAGE("Cannot create a mesh volume");
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aSolid.IsNull())
meshDS->SetMeshElementOnShape(vol, aSolid);
}
}
if ( error->IsOK() && ( !isOK || comment.size() > 0 ))
error->myName = COMPERR_ALGO_FAILED;
if ( !comment.empty() )
error->myComment = comment;
// set bad compute error to subshapes of all failed subshapes shapes
if ( !error->IsOK() && err )
{
for (int i = 1; i <= occgeo.fmap.Extent(); i++) {
int status = occgeo.facemeshstatus[i-1];
if (status == 1 ) continue;
if ( SMESH_subMesh* sm = _mesh->GetSubMeshContaining( occgeo.fmap( i ))) {
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
if ( !smError || smError->IsOK() ) {
if ( status == -1 )
smError.reset( new SMESH_ComputeError( error->myName, error->myComment ));
else
smError.reset( new SMESH_ComputeError( COMPERR_ALGO_FAILED, "Ignored" ));
}
}
}
}
nglib::Ng_DeleteMesh((nglib::Ng_Mesh*)ngMesh);
nglib::Ng_Exit();
RemoveTmpFiles();
return error->IsOK();
}
bool RoomLayoutPillarController::PreRender3D()
{
auto& imp_ = *ImpUPtr_;
plane3df plan(0,0,0,0,1,0);
auto line = GetRenderContextSPtr()->Smgr_->getSceneCollisionManager()->getRayFromScreenCoordinates(imp_.CursorIPos_);
plan.getIntersectionWithLine(line.start, line.getVector(), imp_.CurrentPos_);
imp_.CurrentPos_.Y = 0;
gp_Pnt cursorPnt(imp_.CurrentPos_.X, imp_.CurrentPos_.Y, imp_.CurrentPos_.Z);
switch (imp_.State_)
{
case EPilarState::EPS_SWEEPING:
{
if ( GetPickingODL().expired() )
{
break;
}
auto activePilar = std::static_pointer_cast<PillarODL>(GetPickingODL().lock());
activePilar->SetSweeping(true);
if ( imp_.CtrllHolding_ )
{
imp_.State_ = EPilarState::EPS_MODIFY_INIT;
break;
}
if ( imp_.LMousePressDown_ )
{
auto box = activePilar->GetBaseBndBox();
auto pos = activePilar->GetTranslation();
Standard_Real xMin,xMax,yMin,yMax,zMin,zMax;
box.Get(xMin, yMin, zMin, xMax, yMax, zMax);
imp_.EventInfo_ = SEventPillarInfo();
imp_.EventInfo_->XLength_ = static_cast<float>(xMax-xMin);
imp_.EventInfo_->YLength_ = static_cast<float>(yMax-yMin);
imp_.EventInfo_->ZLength_ = static_cast<float>(zMax-zMin);
imp_.EventInfo_->OffsetHeight_ = activePilar->GetOffsetHeight();
imp_.SavePos_ = imp_.CurrentPos_;
imp_.State_ = EPilarState::EPS_MOUSEHOLDING;
}
}
break;
case EPilarState::EPS_MODIFY_INIT:
{
auto activePilar = std::static_pointer_cast<PillarODL>(GetPickingODL().lock());
activePilar->SetSweeping(true);
if ( !imp_.CtrllHolding_ )
{
GetRenderContextSPtr()->CursorControl_->setActiveIcon(gui::ECI_NORMAL);
imp_.State_ = EPilarState::EPS_SWEEPING;
imp_.CtrllHolding_ = false;
break;
}
auto box = activePilar->GetBaseBndBox();
Standard_Real xMin,xMax,yMin,yMax,zMin,zMax;
box.Get(xMin, yMin, zMin, xMax, yMax, zMax);
auto modifyAlign = 100;
Bnd_Box smallBox,bigBox;
smallBox.Update(xMin+modifyAlign < 0 ? xMin+modifyAlign : 0, yMin+modifyAlign < 0 ? yMin+modifyAlign : 0, zMin+modifyAlign < 0 ? zMin+modifyAlign : 0,
xMax-modifyAlign > 0 ? xMax-modifyAlign : 0, yMax-modifyAlign > 0 ? yMax-modifyAlign : 0, zMax-modifyAlign > 0 ? zMax-modifyAlign : 0);
bigBox.Update(xMin-modifyAlign, yMin-modifyAlign, zMin-modifyAlign, xMax+modifyAlign, yMax+modifyAlign, zMax+modifyAlign);
auto relationCursorPnt = cursorPnt.Transformed(activePilar->GetAbsoluteTransform().Inverted());
relationCursorPnt.SetY(0);
if ( Standard_True == bigBox.IsOut(relationCursorPnt) )
{
GetRenderContextSPtr()->CursorControl_->setActiveIcon(gui::ECI_NORMAL);
imp_.State_ = EPilarState::EPS_SWEEPING;
imp_.CtrllHolding_ = false;
break;
}
if ( Standard_False == smallBox.IsOut(relationCursorPnt) )
{
GetRenderContextSPtr()->CursorControl_->setActiveIcon(gui::ECI_NORMAL);
break;
}
gp_Dir cursorDir = gp_Vec(gp::Origin(), relationCursorPnt);
{
auto rad = gp::DX().AngleWithRef(cursorDir, gp::DY());
rad = rad < 0 ? M_PI * 2 + rad : rad;
auto mod = std::fmod(rad, M_PI_2);
if ( mod < M_PI_4 )
{
rad -= mod;
}
else
{
rad = rad - mod + M_PI_2;
}
cursorDir = gp::DX().Rotated(gp::OY(), rad);
mod = std::fmod(rad, M_PI);
if ( mod < Precision::Angular() )
{
GetRenderContextSPtr()->CursorControl_->setActiveIcon(gui::ECI_SIZEWE);
}
else
{
GetRenderContextSPtr()->CursorControl_->setActiveIcon(gui::ECI_SIZENS);
}
}
if ( imp_.LMousePressDown_ )
{
auto edge = BRepBuilderAPI_MakeEdge(gp_Lin(gp::Origin().Transformed(activePilar->GetAbsoluteTransform()), cursorDir.Transformed(activePilar->GetAbsoluteTransform()))).Edge();
BRepAdaptor_Curve moveBC(edge);
GeomAPI_ProjectPointOnCurve ppc(relationCursorPnt.Transformed(activePilar->GetAbsoluteTransform()), moveBC.Curve().Curve());
imp_.ModifyEdge_ = moveBC;
imp_.ModifyPar_ = ppc.LowerDistanceParameter();
imp_.State_ = EPilarState::EPS_MODIFY;
break;
}
}
break;
case EPilarState::EPS_MODIFY:
{
auto activePilar = std::static_pointer_cast<PillarODL>(GetPickingODL().lock());
activePilar->SetPicking(true);
if ( imp_.LMouseLeftUp_ )
{
activePilar->UpdateMesh();
imp_.State_ = EPilarState::EPS_SWEEPING;
break;
}
GeomAPI_ProjectPointOnCurve ppcCur(cursorPnt, imp_.ModifyEdge_.Curve().Curve());
auto curPar = ppcCur.LowerDistanceParameter();
if ( std::abs(curPar - imp_.ModifyPar_) < Precision::Confusion() )
{
break;
}
//偏移的起始点、终点（绝对）
gp_Pnt fromPnt,toPnt;
imp_.ModifyEdge_.D0(imp_.ModifyPar_, fromPnt);
imp_.ModifyEdge_.D0(curPar, toPnt);
gp_Vec moveOffset(fromPnt, toPnt);
auto relationMoveOffset = moveOffset.Transformed(activePilar->GetAbsoluteTransform().Inverted());
auto modifyDir = imp_.ModifyEdge_.Line().Direction().Transformed(activePilar->GetAbsoluteTransform().Inverted());
auto modifyOffset = relationMoveOffset;
{
modifyOffset.SetX(modifyOffset.X() * modifyDir.X());
modifyOffset.SetY(modifyOffset.Y() * modifyDir.Y());
modifyOffset.SetZ(modifyOffset.Z() * modifyDir.Z());
}
auto curPillarSize = activePilar->GetSize();
if ( Standard_False == imp_.ModifyEdge_.Line().Direction().IsEqual(gp_Dir(moveOffset), Precision::Angular()) )
{//防止大小缩成0
auto testSize = curPillarSize + modifyOffset.XYZ();
auto minSize = 100;
auto alignSize = testSize - gp_XYZ(minSize,minSize,minSize);
if ( alignSize.X() < Precision::Confusion() || alignSize.Y() < Precision::Confusion() || alignSize.Z() < Precision::Confusion() )
{
break;
}
}
Bnd_Box pillarBox;
auto pillarBoxSize = curPillarSize + modifyOffset.XYZ();
gp_Trsf pillarTranslation,pillarRotation,pillarTransformation;
{
pillarBox.Update(-pillarBoxSize.X()/2, -pillarBoxSize.Y()/2, -pillarBoxSize.Z()/2, pillarBoxSize.X()/2, pillarBoxSize.Y()/2, pillarBoxSize.Z()/2);
auto translation = activePilar->GetTranslation() + relationMoveOffset.XYZ()/2;
pillarTranslation.SetTranslationPart(translation);
pillarRotation.SetRotation(activePilar->GetRotation());
}
pillarTransformation = pillarTranslation * pillarRotation;
auto offsetHeight = activePilar->GetOffsetHeight();
//新的位置
gp_Pnt newPnt = gp::Origin().Transformed(pillarTransformation);
//吸附距离
static auto alignDis = 200.0;
//当前的吸附物体
auto alignODLs = activePilar->GetAlignList();
alignODLs.erase(std::remove_if(alignODLs.begin(), alignODLs.end(), [&pillarBox,&pillarTransformation](const BaseODLSPtr& alignODL)
{
if ( !alignODL )
{
return true;
}
return alignODL->GetBaseBndBox().Distance(pillarBox.Transformed(alignODL->GetAbsoluteTransform().Inverted() * pillarTransformation)) > alignDis;
}), alignODLs.end());
activePilar->SetAlignList(BaseODLList());
std::multimap<double,BaseODLSPtr> disMap;
for ( auto& curODL : RootODL_.lock()->GetChildrenList() )
{
if ( EODLT_PILLAR != curODL->GetType() && EODLT_WALL != curODL->GetType() )
{
continue;
}
if ( std::find(alignODLs.begin(), alignODLs.end(), curODL) != alignODLs.end() )
{
continue;
}
if ( EODLT_PILLAR == curODL->GetType() && curODL == activePilar )
{
continue;
}
auto dis = curODL->GetBaseBndBox().Distance(pillarBox.Transformed(curODL->GetAbsoluteTransform().Inverted() * pillarTransformation));
if ( dis > alignDis )
{
continue;
}
disMap.emplace(dis, curODL);
}
for ( auto& curODL : disMap )
{
alignODLs.push_back(curODL.second);
}
for ( auto& curODL : alignODLs )
{
auto alignTransformation = curODL->GetAbsoluteTransform();
//调整柱box的旋转
auto activeRotationPillarBox = pillarBox;
{
gp_Trsf tfsODL;
tfsODL.SetRotation(alignTransformation.GetRotation());
activeRotationPillarBox = activeRotationPillarBox.Transformed(tfsODL.Inverted() * pillarRotation);
}
Bnd_Box movingBox,alignODLBox;
{
auto curBox = curODL->GetBaseBndBox();
Standard_Real xAlignMin,yAlignMin,zAlignMin,xAlignMax,yAlignMax,zAlignMax;
curBox.Get(xAlignMin, yAlignMin, zAlignMin, xAlignMax, yAlignMax, zAlignMax);
Standard_Real xPillarMin,yPillarMin,zPillarMin,xPillarMax,yPillarMax,zPillarMax;
activeRotationPillarBox.Get(xPillarMin, yPillarMin, zPillarMin, xPillarMax, yPillarMax, zPillarMax);
movingBox.Update(xAlignMin+xPillarMin, yAlignMin+yPillarMin, zAlignMin+zPillarMin,
xAlignMax+xPillarMax, yAlignMax+yPillarMax, zAlignMax+zPillarMax);
alignODLBox.Update(xAlignMin+xPillarMin-alignDis, yAlignMin+yPillarMin-alignDis, zAlignMin+zPillarMin-alignDis,
xAlignMax+xPillarMax+alignDis, yAlignMax+yPillarMax+alignDis, zAlignMax+zPillarMax+alignDis);
}
auto inODLPnt = newPnt.Transformed(curODL->GetAbsoluteTransform().Inverted());
if ( Standard_True == alignODLBox.IsOut(inODLPnt) )
{
continue;
}
//当前被停靠物体的box shape
Standard_Real xMin,yMin,zMin,xMax,yMax,zMax;
movingBox.Get(xMin, yMin, zMin, xMax, yMax, zMax);
auto alignBoxShape = BRepPrimAPI_MakeBox(gp_Pnt(xMin, yMin, zMin), gp_Pnt(xMax, yMax, zMax)).Shape();
TopExp_Explorer exp(alignBoxShape, TopAbs_SHELL);
BRepExtrema_DistShapeShape dss(imp_.ModifyEdge_.Edge().Moved(curODL->GetAbsoluteTransform().Inverted()), exp.Current());
auto needContinue = false;
std::map<double, gp_Pnt> tmp;
for ( auto index=1; index<=dss.NbSolution(); ++index )
{
if ( dss.SupportTypeShape2(index) == BRepExtrema_IsOnEdge )
{
activePilar->AddAlign(curODL);
needContinue = true;
break;
}
auto pntOnEdge = dss.PointOnShape1(index);
auto pntOnBox = dss.PointOnShape2(index);
if ( pntOnEdge.Distance(pntOnBox) > Precision::Confusion() )
{
continue;
}
tmp.emplace(pntOnEdge.Distance(inODLPnt), pntOnEdge);
}
if ( needContinue )
{
continue;
}
auto foundPnt = tmp.begin()->second.Transformed(curODL->GetAbsoluteTransform());
if ( foundPnt.Distance(newPnt) < 1)
{
activePilar->AddAlign(curODL);
continue;
}
else
{
newPnt = foundPnt;
break;
}
}
auto finalOffset = gp_Vec(pillarTranslation.TranslationPart(), newPnt);
auto finalRelationOffset = finalOffset.Transformed(pillarTransformation.Inverted());
auto finalModifyOffset = finalRelationOffset;
{
finalModifyOffset.SetX(finalModifyOffset.X()*modifyDir.X());
finalModifyOffset.SetY(finalModifyOffset.Y()*modifyDir.Y());
finalModifyOffset.SetZ(finalModifyOffset.Z()*modifyDir.Z());
}
auto finalSize = pillarBoxSize + finalModifyOffset.XYZ();
auto finalTranslation = pillarTranslation.TranslationPart() + finalRelationOffset.XYZ()/2;
activePilar->SetSize(finalSize);
activePilar->SetTranslation(finalTranslation);
{
vector3df newPos(static_cast<float>(finalTranslation.X()), static_cast<float>(finalTranslation.Y()), static_cast<float>(finalTranslation.Z()));
activePilar->GetDataSceneNode()->setPosition(newPos);
}
activePilar->Update2DMesh();
imp_.ModifyPar_ = curPar;
}
break;
case EPilarState::EPS_MOUSEHOLDING:
{
auto activePillar = std::static_pointer_cast<PillarODL>(GetPickingODL().lock());
activePillar->SetPicking(true);
if ( imp_.SavePos_.getDistanceFromSQ(imp_.CurrentPos_) > 100 * 100 )
{
imp_.State_ = EPilarState::EPS_MOVING;
imp_.Valid_ = true;
}
else
if ( imp_.LMouseLeftUp_ )
{
imp_.PropertyCallBack_ = boost::none;
imp_.State_ = EPilarState::EPS_PROPERTY;
auto pointer = reinterpret_cast<int>(static_cast<void*>(&(*imp_.EventInfo_)));
::PostMessage((HWND)GetRenderContextSPtr()->GetHandle(), WM_IRR_DLG_MSG, WM_USER_ROOMLAYOUT_PILLAR_PROPERTY, pointer);
}
}
break;
case EPilarState::EPS_PROPERTY:
{
if ( !imp_.PropertyCallBack_ )
{
break;
}
auto activePillar = std::static_pointer_cast<PillarODL>(GetPickingODL().lock());
switch (*(imp_.PropertyCallBack_))
{
case EUT_ROOMLAYOUT_PILLAR_NONE:
{
imp_.State_ = EPilarState::EPS_SWEEPING;
}
break;
case EUT_ROOMLAYOUT_PILLAR_UPDATE:
{
activePillar->SetSize(imp_.EventInfo_->XLength_, imp_.EventInfo_->YLength_, imp_.EventInfo_->ZLength_);
activePillar->SetOffsetHeight(imp_.EventInfo_->OffsetHeight_);
{
auto curTrans = activePillar->GetTranslation();
curTrans.SetY(imp_.EventInfo_->YLength_/2 + imp_.EventInfo_->OffsetHeight_);
activePillar->SetTranslation(curTrans);
auto curPos = activePillar->GetDataSceneNode()->getPosition();
curPos.Y = static_cast<float>(imp_.EventInfo_->YLength_/2 + imp_.EventInfo_->OffsetHeight_);
activePillar->GetDataSceneNode()->setPosition(curPos);
}
activePillar->UpdateMesh();
imp_.State_ = EPilarState::EPS_SWEEPING;
}
break;
case EUT_ROOMLAYOUT_PILLAR_MOVE:
{
imp_.State_ = EPilarState::EPS_MOVING;
}
break;
case EUT_ROOMLAYOUT_PILLAR_DELETE:
{
activePillar->RemoveFromParent();
imp_.State_ = EPilarState::EPS_SWEEPING;
}
break;
default:
assert(0);
break;
}
}
break;
case EPilarState::EPS_CREATING_INIT:
{
assert(imp_.EventInfo_);
auto newPilar = PillarODL::Create<PillarODL>(GetRenderContextSPtr());
newPilar->SetSize(imp_.EventInfo_->XLength_, imp_.EventInfo_->YLength_, imp_.EventInfo_->ZLength_);
newPilar->SetOffsetHeight(imp_.EventInfo_->OffsetHeight_);
newPilar->UpdateMesh();
RootODL_.lock()->AddChild(newPilar);
auto newPos = imp_.CurrentPos_;
newPos.Y = imp_.EventInfo_->YLength_/2;
newPilar->SetTranslation(gp_XYZ(newPos.X, newPos.Y, newPos.Z));
newPilar->GetDataSceneNode()->setPosition(newPos);
SetPickingODL(newPilar);
imp_.State_ = EPilarState::EPS_MOVING;
}
break;
case EPilarState::EPS_MOVING:
{
auto activePilar = std::static_pointer_cast<PillarODL>(GetPickingODL().lock());
activePilar->SetPicking(true);
activePilar->SetVaildPosition(imp_.Valid_);
if ( imp_.LMouseLeftUp_ )
{
if ( imp_.Valid_ )
{
ImpUPtr_->Valid_ = false;
ImpUPtr_->EventInfo_ = boost::none;
imp_.State_ = EPilarState::EPS_SWEEPING;
break;
}
}
if ( imp_.EscapePressDown_ )
{
activePilar->RemoveFromParent();
imp_.State_ = EPilarState::EPS_SWEEPING;
break;
}
//当前柱的Box
auto activeTransitionBox = activePilar->GetBaseBndBox();
{
gp_Trsf tfs;
tfs.SetTranslationPart(activePilar->GetTranslation());
activeTransitionBox = activeTransitionBox.Transformed(tfs);
}
activePilar->SetRotation(gp_Quaternion(gp::DZ(), gp::DZ()));
activePilar->GetDataSceneNode()->setRotation(vector3df(0));
auto size = activePilar->GetSize();
auto offset = activePilar->GetOffsetHeight();
//新的位置
auto newPos = imp_.CurrentPos_;
newPos.Y = static_cast<float>(size.Y()/2) + offset;
gp_Pnt newPnt(newPos.X, newPos.Y, newPos.Z);
//吸附距离
static auto alignDis = 200.0;
//当前的吸附物体
auto alignODLs = activePilar->GetAlignList();
alignODLs.erase(std::remove_if(alignODLs.begin(), alignODLs.end(), [&activePilar, &activeTransitionBox](const BaseODLSPtr& alignODL)
{
if ( !alignODL )
{
return true;
}
return alignODL->GetBaseBndBox().Distance(activeTransitionBox.Transformed(alignODL->GetAbsoluteTransform().Inverted())) > alignDis;
}), alignODLs.end());
activePilar->SetAlignList(BaseODLList());
std::multimap<double,BaseODLSPtr> disMap;
for ( auto& curODL : RootODL_.lock()->GetChildrenList() )
{
if ( EODLT_PILLAR != curODL->GetType() && EODLT_WALL != curODL->GetType() )
{
continue;
}
if ( std::find(alignODLs.begin(), alignODLs.end(), curODL) != alignODLs.end() )
{
continue;
}
if ( EODLT_PILLAR == curODL->GetType() && curODL == activePilar )
{
continue;
}
auto dis = curODL->GetBaseBndBox().Distance(activeTransitionBox.Transformed(curODL->GetAbsoluteTransform().Inverted()));
if ( dis > alignDis )
{
continue;
}
disMap.emplace(dis, curODL);
}
for ( auto& curODL : disMap )
{
alignODLs.push_back(curODL.second);
}
//锁定旋转
auto lockRotation = false;
//锁定位置
auto lockPosition = false;
//移动方向
TopoDS_Edge movingEdge;
for ( auto& curODL : alignODLs )
{
auto alignTransformation = curODL->GetAbsoluteTransform();
//如果锁定了旋转，则调整柱的box
auto activeRotationPillarBox = activePilar->GetBaseBndBox();
if ( lockRotation )
{
gp_Trsf tfsODL, tfsPillar;
tfsODL.SetRotation(alignTransformation.GetRotation());
tfsPillar.SetRotation(activePilar->GetRotation());
activeRotationPillarBox = activeRotationPillarBox.Transformed(tfsODL.Inverted() * tfsPillar);
}
Bnd_Box movingBox;
{
auto curBox = curODL->GetBaseBndBox();
Standard_Real xAlignMin,yAlignMin,zAlignMin,xAlignMax,yAlignMax,zAlignMax;
curBox.Get(xAlignMin, yAlignMin, zAlignMin, xAlignMax, yAlignMax, zAlignMax);
Standard_Real xPillarMin,yPillarMin,zPillarMin,xPillarMax,yPillarMax,zPillarMax;
activeRotationPillarBox.Get(xPillarMin, yPillarMin, zPillarMin, xPillarMax, yPillarMax, zPillarMax);
movingBox.Update(xAlignMin+xPillarMin, yAlignMin+yPillarMin, zAlignMin+zPillarMin,
xAlignMax+xPillarMax, yAlignMax+yPillarMax, zAlignMax+zPillarMax);
}
auto inODLPnt = newPnt.Transformed(curODL->GetAbsoluteTransform().Inverted());
//当位置锁定了以后，只需要判断是不是相交
if ( lockPosition )
{
if ( Standard_True == movingBox.IsOut(inODLPnt) )
{
continue;
}
Bnd_Box pntBox;
pntBox.Add(inODLPnt);
if ( pntBox.Distance(movingBox) < Precision::Confusion() )
{
continue;
}
imp_.Valid_ = false;
break;
}
Bnd_Box alignODLBox;
{
auto curBox = curODL->GetBaseBndBox();
Standard_Real xAlignMin,yAlignMin,zAlignMin,xAlignMax,yAlignMax,zAlignMax;
curBox.Get(xAlignMin, yAlignMin, zAlignMin, xAlignMax, yAlignMax, zAlignMax);
Standard_Real xPillarMin,yPillarMin,zPillarMin,xPillarMax,yPillarMax,zPillarMax;
activeRotationPillarBox.Get(xPillarMin, yPillarMin, zPillarMin, xPillarMax, yPillarMax, zPillarMax);
alignODLBox.Update(xAlignMin+xPillarMin-alignDis, yAlignMin+yPillarMin-alignDis, zAlignMin+zPillarMin-alignDis,
xAlignMax+xPillarMax+alignDis, yAlignMax+yPillarMax+alignDis, zAlignMax+zPillarMax+alignDis);
}
if ( Standard_True == alignODLBox.IsOut(inODLPnt) )
{
continue;
}
//当前被停靠物体的box shape
Standard_Real xMin,yMin,zMin,xMax,yMax,zMax;
movingBox.Get(xMin, yMin, zMin, xMax, yMax, zMax);
auto alignBoxShape = BRepPrimAPI_MakeBox(gp_Pnt(xMin, yMin, zMin), gp_Pnt(xMax, yMax, zMax)).Shape();
TopExp_Explorer exp(alignBoxShape, TopAbs_SHELL);
if ( !lockRotation )
{//找到第一个被停靠物体
BRepExtrema_DistShapeShape dss(BRepBuilderAPI_MakeVertex(inODLPnt).Shape(), exp.Current());
assert(0 != dss.NbSolution());
inODLPnt = dss.PointOnShape2(1);
newPnt = inODLPnt.Transformed(curODL->GetAbsoluteTransform()).XYZ();
auto rot = curODL->GetAbsoluteTransform().GetRotation();
Standard_Real rX,rY,rZ;
rot.GetEulerAngles(gp_Extrinsic_XYZ, rX, rY, rZ);
vector3df rotation(static_cast<float>(irr::core::radToDeg(rX)), static_cast<float>(irr::core::radToDeg(rY)), static_cast<float>(irr::core::radToDeg(rZ)));
activePilar->GetDataSceneNode()->setRotation(rotation);
activePilar->SetRotation(rot);
gp_Dir movingDir;
if ( std::abs(std::abs(inODLPnt.X()) - xMax) < Precision::Confusion() )
{
movingDir = gp::DZ();
}
else
{
movingDir = gp::DX();
}
auto curMovingEdge = BRepBuilderAPI_MakeEdge(gp_Lin(inODLPnt, movingDir)).Edge();
movingEdge = TopoDS::Edge(curMovingEdge.Moved(curODL->GetAbsoluteTransform()));
activePilar->AddAlign(curODL);
imp_.Valid_ = true;
lockRotation = true;
}
else
{//第二个被停靠物体
BRepExtrema_DistShapeShape dss(movingEdge.Moved(curODL->GetAbsoluteTransform().Inverted()), exp.Current());
auto foundSecond = false;
std::map<double, gp_Pnt> tmp;
for ( auto index=1; index<=dss.NbSolution(); ++index )
{
auto pntOnEdge = dss.PointOnShape1(index);
auto pntOnBox = dss.PointOnShape2(index);
if ( pntOnEdge.Distance(pntOnBox) > Precision::Confusion() )
{
continue;
}
tmp.emplace(pntOnEdge.Distance(inODLPnt), pntOnEdge);
foundSecond = true;
}
if ( !foundSecond )
{
imp_.Valid_ = false;
break;
}
newPnt = tmp.begin()->second.Transformed(curODL->GetAbsoluteTransform());
activePilar->AddAlign(curODL);
lockPosition = true;
}
}
if ( activePilar->GetAlignList().empty() )
{
imp_.Valid_ = true;
}
newPos.X = static_cast<float>(newPnt.X());
newPos.Y = static_cast<float>(newPnt.Y());
newPos.Z = static_cast<float>(newPnt.Z());
activePilar->GetDataSceneNode()->setPosition(newPos);
activePilar->SetTranslation(newPnt.XYZ());
for ( auto& curAlign : activePilar->GetAlignList() )
{
curAlign->SetSweeping(true);
}
}
break;
default:
break;
}
imp_.LMousePressDown_ = false;
imp_.LMouseLeftUp_ = false;
imp_.EscapePressDown_ = false;
return false;
}
//=======================================================================
//function : GlueEdgesWithPCurves
//purpose : Glues the pcurves of the sequence of edges
// and glues their 3d curves
//=======================================================================
static TopoDS_Edge GlueEdgesWithPCurves(const TopTools_SequenceOfShape& aChain,
const TopoDS_Vertex& FirstVertex,
const TopoDS_Vertex& LastVertex)
{
Standard_Integer i, j;
TopoDS_Edge FirstEdge = TopoDS::Edge(aChain(1));
//TColGeom2d_SequenceOfCurve PCurveSeq;
TColGeom_SequenceOfSurface SurfSeq;
//TopTools_SequenceOfShape LocSeq;
BRep_ListIteratorOfListOfCurveRepresentation itr( (Handle(BRep_TEdge)::DownCast(FirstEdge.TShape()))->Curves() );
for (; itr.More(); itr.Next())
{
Handle(BRep_CurveRepresentation) CurveRep = itr.Value();
if (CurveRep->IsCurveOnSurface())
{
//PCurveSeq.Append(CurveRep->PCurve());
SurfSeq.Append(CurveRep->Surface());
/*
TopoDS_Shape aLocShape;
aLocShape.Location(CurveRep->Location());
LocSeq.Append(aLocShape);
*/
}
}
Standard_Real fpar, lpar;
BRep_Tool::Range(FirstEdge, fpar, lpar);
TopoDS_Edge PrevEdge = FirstEdge;
TopoDS_Vertex CV;
Standard_Real MaxTol = 0.;
TopoDS_Edge ResEdge;
BRep_Builder BB;
Standard_Integer nb_curve = aChain.Length(); //number of curves
TColGeom_Array1OfBSplineCurve tab_c3d(0,nb_curve-1); //array of the curves
TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances
TopoDS_Vertex PrevVertex = FirstVertex;
for (i = 1; i <= nb_curve; i++)
{
TopoDS_Edge anEdge = TopoDS::Edge(aChain(i));
TopoDS_Vertex VF, VL;
TopExp::Vertices(anEdge, VF, VL);
Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex));
Standard_Real Tol1 = BRep_Tool::Tolerance(VF);
Standard_Real Tol2 = BRep_Tool::Tolerance(VL);
if (Tol1 > MaxTol)
MaxTol = Tol1;
if (Tol2 > MaxTol)
MaxTol = Tol2;
if (i > 1)
{
TopExp::CommonVertex(PrevEdge, anEdge, CV);
Standard_Real Tol = BRep_Tool::Tolerance(CV);
tabtolvertex(i-2) = Tol;
}
Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(aCurve, fpar, lpar);
tab_c3d(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve);
GeomConvert::C0BSplineToC1BSplineCurve(tab_c3d(i-1), Precision::Confusion());
if (ToReverse)
tab_c3d(i-1)->Reverse();
PrevVertex = (ToReverse)? VF : VL;
PrevEdge = anEdge;
}
Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves
Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex
GeomConvert::ConcatC1(tab_c3d,
tabtolvertex,
ArrayOfIndices,
concatcurve,
Standard_False,
Precision::Confusion()); //C1 concatenation
if (concatcurve->Length() > 1)
{
GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower()));
for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++)
Concat.Add( concatcurve->Value(i), MaxTol, Standard_True );
concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve());
}
Handle(Geom_BSplineCurve) ResCurve = concatcurve->Value(concatcurve->Lower());
TColGeom2d_SequenceOfBoundedCurve ResPCurves;
TopLoc_Location aLoc;
for (j = 1; j <= SurfSeq.Length(); j++)
{
TColGeom2d_Array1OfBSplineCurve tab_c2d(0,nb_curve-1); //array of the pcurves
PrevVertex = FirstVertex;
PrevEdge = FirstEdge;
//TopLoc_Location theLoc = LocSeq(j).Location();
for (i = 1; i <= nb_curve; i++)
{
TopoDS_Edge anEdge = TopoDS::Edge(aChain(i));
TopoDS_Vertex VF, VL;
TopExp::Vertices(anEdge, VF, VL);
Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex));
/*
Handle(Geom2d_Curve) aPCurve =
BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), anEdge.Location()*theLoc, fpar, lpar);
*/
Handle(Geom2d_Curve) aPCurve =
BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), aLoc, fpar, lpar);
Handle(Geom2d_TrimmedCurve) aTrPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar);
tab_c2d(i-1) = Geom2dConvert::CurveToBSplineCurve(aTrPCurve);
Geom2dConvert::C0BSplineToC1BSplineCurve(tab_c2d(i-1), Precision::Confusion());
if (ToReverse)
tab_c2d(i-1)->Reverse();
PrevVertex = (ToReverse)? VF : VL;
PrevEdge = anEdge;
}
Handle(TColGeom2d_HArray1OfBSplineCurve) concatc2d; //array of the concatenated curves
Handle(TColStd_HArray1OfInteger) ArrayOfInd2d; //array of the remining Vertex
Geom2dConvert::ConcatC1(tab_c2d,
tabtolvertex,
ArrayOfInd2d,
concatc2d,
Standard_False,
Precision::Confusion()); //C1 concatenation
if (concatc2d->Length() > 1)
{
Geom2dConvert_CompCurveToBSplineCurve Concat2d(concatc2d->Value(concatc2d->Lower()));
for (i = concatc2d->Lower()+1; i <= concatc2d->Upper(); i++)
Concat2d.Add( concatc2d->Value(i), MaxTol, Standard_True );
concatc2d->SetValue(concatc2d->Lower(), Concat2d.BSplineCurve());
}
Handle(Geom2d_BSplineCurve) aResPCurve = concatc2d->Value(concatc2d->Lower());
ResPCurves.Append(aResPCurve);
}
ResEdge = BRepLib_MakeEdge(ResCurve,
FirstVertex, LastVertex,
ResCurve->FirstParameter(), ResCurve->LastParameter());
BB.SameRange(ResEdge, Standard_False);
BB.SameParameter(ResEdge, Standard_False);
for (j = 1; j <= ResPCurves.Length(); j++)
{
BB.UpdateEdge(ResEdge, ResPCurves(j), SurfSeq(j), aLoc, MaxTol);
BB.Range(ResEdge, SurfSeq(j), aLoc, ResPCurves(j)->FirstParameter(), ResPCurves(j)->LastParameter());
}
BRepLib::SameParameter(ResEdge, MaxTol, Standard_True);
return ResEdge;
}
//----------------------------------------------------------------
// Function: TopoDS_Shape level function to update the core Surface
// for any movement or Boolean operation of the body.
// Author: Jane Hu
//----------------------------------------------------------------
CubitStatus OCCSurface::update_OCC_entity(TopoDS_Face& old_surface,
TopoDS_Shape& new_surface,
BRepBuilderAPI_MakeShape *op,
TopoDS_Vertex* removed_vertex,
LocOpe_SplitShape* sp)
{
//set the Wires
TopTools_IndexedMapOfShape M, M2;
TopoDS_Shape shape, shape2, shape_edge, shape_vertex;
TopExp::MapShapes(old_surface, TopAbs_WIRE, M);
TopTools_ListOfShape shapes;
BRepFilletAPI_MakeFillet2d* test_op = NULL;
for (int ii=1; ii<=M.Extent(); ii++)
{
TopoDS_Wire wire = TopoDS::Wire(M(ii));
TopTools_ListOfShape shapes;
if(op)
{
test_op = dynamic_cast<BRepFilletAPI_MakeFillet2d*>(op);
if(!test_op)
shapes.Assign(op->Modified(wire));
if(shapes.Extent() == 0)
shapes.Assign(op->Generated(wire));
if(!new_surface.IsNull())
TopExp::MapShapes(new_surface,TopAbs_WIRE, M2);
}
else if(sp)
shapes.Assign(sp->DescendantShapes(wire));
if (shapes.Extent() == 1)
{
shape = shapes.First();
if(M2.Extent() == 1)
{
shape2 = TopoDS::Wire(M2(1));
if(!shape.IsSame(shape2))
shape = shape2;
}
else if(M2.Extent() > 1)
shape.Nullify();
}
else if(shapes.Extent() > 1)
shape.Nullify();
else if(op->IsDeleted(wire) || shapes.Extent() == 0)
{
TopTools_IndexedMapOfShape M_new;
TopExp::MapShapes(new_surface, TopAbs_WIRE, M_new);
if (M_new.Extent()== 1)
shape = M_new(1);
else
shape.Nullify();
}
else
{
shape = wire;
continue;
}
//set curves
BRepTools_WireExplorer Ex;
for(Ex.Init(wire); Ex.More();Ex.Next())
{
TopoDS_Edge edge = Ex.Current();
if(op && !test_op)
{
shapes.Assign(op->Modified(edge));
if(shapes.Extent() == 0)
shapes.Assign(op->Generated(edge));
}
else if(sp)
shapes.Assign(sp->DescendantShapes(edge));
if (shapes.Extent() == 1)
{
//in fillet creating mothod, one edge could generated a face, so check
//it here.
TopAbs_ShapeEnum type = shapes.First().TShape()->ShapeType();
if(type != TopAbs_EDGE)
shape_edge.Nullify();
else
shape_edge = shapes.First();
}
else if (shapes.Extent() > 1)
{
//update all attributes first.
TopTools_ListIteratorOfListOfShape it;
it.Initialize(shapes);
for(; it.More(); it.Next())
{
shape_edge = it.Value();
OCCQueryEngine::instance()->copy_attributes(edge, shape_edge);
}
shape_edge.Nullify();
}
else if (op->IsDeleted(edge))
shape_edge.Nullify();
else if (test_op)
{
if(!test_op->IsModified(edge))
shape_edge = edge;
else
shape_edge = (test_op->Modified(edge)).First();
}
else
shape_edge = edge;
//update vertex
TopoDS_Vertex vertex = Ex.CurrentVertex();
shapes.Clear();
if(test_op)
assert(removed_vertex != NULL);
if(op && ! test_op )
shapes.Assign(op->Modified(vertex));
else if(sp)
shapes.Assign(sp->DescendantShapes(vertex));
if (shapes.Extent() == 1)
shape_vertex = shapes.First();
else if(shapes.Extent() > 1)
{
//update all attributes first.
TopTools_ListIteratorOfListOfShape it;
it.Initialize(shapes);
for(; it.More(); it.Next())
{
shape_vertex = it.Value();
OCCQueryEngine::instance()->copy_attributes(vertex, shape_vertex);
}
shape_vertex.Nullify() ;
}
else if(op->IsDeleted(vertex) || (test_op && vertex.IsSame( *removed_vertex)))
shape_vertex.Nullify() ;
else
shape_vertex = vertex;
if(!vertex.IsSame(shape_vertex) )
OCCQueryEngine::instance()->update_OCC_map(vertex, shape_vertex);
if (!edge.IsSame(shape_edge))
OCCQueryEngine::instance()->update_OCC_map(edge, shape_edge);
}
if (!wire.IsSame(shape))
OCCQueryEngine::instance()->update_OCC_map(wire, shape);
}
double dTOL = OCCQueryEngine::instance()->get_sme_resabs_tolerance();
if (!old_surface.IsSame(new_surface))
{
TopAbs_ShapeEnum shapetype = TopAbs_SHAPE;
if(!new_surface.IsNull())
shapetype = new_surface.TShape()->ShapeType();
if(shapetype == TopAbs_FACE || new_surface.IsNull())
OCCQueryEngine::instance()->update_OCC_map(old_surface, new_surface);
else
{
TopTools_IndexedMapOfShape M;
TopExp::MapShapes(new_surface, TopAbs_FACE, M);
TopoDS_Shape new_shape;
if(M.Extent() == 1)
new_shape = M(1);
else if(M.Extent() > 1)
{
for(int i = 1; i <= M.Extent(); i++)
{
GProp_GProps myProps;
BRepGProp::SurfaceProperties(old_surface, myProps);
double orig_mass = myProps.Mass();
gp_Pnt orig_pnt = myProps.CentreOfMass();
BRepGProp::SurfaceProperties(M(i), myProps);
double after_mass = myProps.Mass();
gp_Pnt after_pnt = myProps.CentreOfMass();
if(fabs(-after_mass + orig_mass) <= dTOL &&
orig_pnt.IsEqual(after_pnt, dTOL))
{
new_shape = M(i);
break;
}
}
}
OCCQueryEngine::instance()->update_OCC_map(old_surface, new_shape);
}
}
return CUBIT_SUCCESS;
}
bool Edgecluster::PerformEdges(gp_Pnt& point)
{
tMapPntEdge::iterator iter = m_vertices.find(point);
if ( iter == m_vertices.end() )
return false;
tEdgeVector& edges = iter->second;
tEdgeVector::iterator edgeIt = edges.begin();
//no more edges. pb
if ( edgeIt == edges.end() )
{
//Delete also the current vertex
m_vertices.erase(iter);
return false;
}
TopoDS_Edge theEdge = *edgeIt;
//we are storing the edge, so remove it from the vertex association
edges.erase(edgeIt);
//if no more edges, remove the vertex
if ( edges.empty() )
m_vertices.erase(iter);
TopoDS_Vertex V1,V2;
TopExp::Vertices(theEdge,V1,V2);
gp_Pnt P1 = BRep_Tool::Pnt(V1);
gp_Pnt P2 = BRep_Tool::Pnt(V2);
if ( theEdge.Orientation() == TopAbs_REVERSED )
{
//switch the points
gp_Pnt tmpP = P1;
P1 = P2;
P2 = tmpP;
}
gp_Pnt nextPoint;
if ( P2.IsEqual(point,0.2) )
{
//need to reverse the edge
theEdge.Reverse();
nextPoint = P1;
}
else
{
nextPoint = P2;
}
//need to erase the edge from the second point
iter = m_vertices.find(nextPoint);
if ( iter != m_vertices.end() )
{
tEdgeVector& nextEdges = iter->second;
for ( edgeIt = nextEdges.begin() ; edgeIt != nextEdges.end(); ++edgeIt )
{
if ( theEdge.IsSame(*edgeIt) )
{
nextEdges.erase(edgeIt);
break;
}
}
}
//put the edge at the end of the list
m_edges.push_back(theEdge);
//Update the point for the next do-while loop
point = nextPoint;
return true;
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_MeasureDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IMeasure aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
if (aType == CDG_MEASURE)
{
Handle(GEOM_Function) aRefBase = aCI.GetBase();
TopoDS_Shape aShapeBase = aRefBase->GetValue();
if (aShapeBase.IsNull()) {
Standard_NullObject::Raise("Shape for centre of mass calculation is null");
}
gp_Ax3 aPos = GEOMImpl_IMeasureOperations::GetPosition(aShapeBase);
gp_Pnt aCenterMass = aPos.Location();
aShape = BRepBuilderAPI_MakeVertex(aCenterMass).Shape();
}
else if (aType == VERTEX_BY_INDEX)
{
Handle(GEOM_Function) aRefBase = aCI.GetBase();
TopoDS_Shape aShapeBase = aRefBase->GetValue();
if (aShapeBase.IsNull()) {
Standard_NullObject::Raise("Shape for centre of mass calculation is null");
}
int index = aCI.GetIndex();
gp_Pnt aVertex;
if (aShapeBase.ShapeType() == TopAbs_VERTEX) {
if ( index != 1 )
Standard_NullObject::Raise("Vertex index is out of range");
else
aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aShapeBase));
} else if (aShapeBase.ShapeType() == TopAbs_EDGE) {
TopoDS_Vertex aV1, aV2;
TopoDS_Edge anEdgeE = TopoDS::Edge(aShapeBase);
TopExp::Vertices(anEdgeE, aV1, aV2);
gp_Pnt aP1 = BRep_Tool::Pnt(aV1);
gp_Pnt aP2 = BRep_Tool::Pnt(aV2);
if (index < 0 || index > 1)
Standard_NullObject::Raise("Vertex index is out of range");
if ( ( anEdgeE.Orientation() == TopAbs_FORWARD && index == 0 ) ||
( anEdgeE.Orientation() == TopAbs_REVERSED && index == 1 ) )
aVertex = aP1;
else
aVertex = aP2;
} else if (aShapeBase.ShapeType() == TopAbs_WIRE) {
TopTools_IndexedMapOfShape anEdgeShapes;
TopTools_IndexedMapOfShape aVertexShapes;
TopoDS_Vertex aV1, aV2;
TopoDS_Wire aWire = TopoDS::Wire(aShapeBase);
TopExp_Explorer exp (aWire, TopAbs_EDGE);
for (; exp.More(); exp.Next()) {
anEdgeShapes.Add(exp.Current());
TopoDS_Edge E = TopoDS::Edge(exp.Current());
TopExp::Vertices(E, aV1, aV2);
if ( aVertexShapes.Extent() == 0)
aVertexShapes.Add(aV1);
if ( !aV1.IsSame( aVertexShapes(aVertexShapes.Extent()) ) )
aVertexShapes.Add(aV1);
if ( !aV2.IsSame( aVertexShapes(aVertexShapes.Extent()) ) )
aVertexShapes.Add(aV2);
}
if (index < 0 || index > aVertexShapes.Extent())
Standard_NullObject::Raise("Vertex index is out of range");
if (aWire.Orientation() == TopAbs_FORWARD)
aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aVertexShapes(index+1)));
else
aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aVertexShapes(aVertexShapes.Extent() - index)));
} else {
Standard_NullObject::Raise("Shape for vertex calculation is not an edge or wire");
}
aShape = BRepBuilderAPI_MakeVertex(aVertex).Shape();
}
else if (aType == VECTOR_FACE_NORMALE)
{
// Face
Handle(GEOM_Function) aRefBase = aCI.GetBase();
TopoDS_Shape aShapeBase = aRefBase->GetValue();
if (aShapeBase.IsNull()) {
Standard_NullObject::Raise("Face for normale calculation is null");
}
if (aShapeBase.ShapeType() != TopAbs_FACE) {
Standard_NullObject::Raise("Shape for normale calculation is not a face");
}
TopoDS_Face aFace = TopoDS::Face(aShapeBase);
// Point
gp_Pnt p1 (0,0,0);
Handle(GEOM_Function) aPntFunc = aCI.GetPoint();
if (!aPntFunc.IsNull())
{
TopoDS_Shape anOptPnt = aPntFunc->GetValue();
if (anOptPnt.IsNull())
Standard_NullObject::Raise("Invalid shape given for point argument");
p1 = BRep_Tool::Pnt(TopoDS::Vertex(anOptPnt));
}
else
{
gp_Ax3 aPos = GEOMImpl_IMeasureOperations::GetPosition(aFace);
p1 = aPos.Location();
}
// Point parameters on surface
Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
Handle(ShapeAnalysis_Surface) aSurfAna = new ShapeAnalysis_Surface (aSurf);
gp_Pnt2d pUV = aSurfAna->ValueOfUV(p1, Precision::Confusion());
// Normal direction
gp_Vec Vec1,Vec2;
BRepAdaptor_Surface SF (aFace);
SF.D1(pUV.X(), pUV.Y(), p1, Vec1, Vec2);
if (Vec1.Magnitude() < Precision::Confusion()) {
gp_Vec tmpV;
gp_Pnt tmpP;
SF.D1(pUV.X(), pUV.Y()-0.1, tmpP, Vec1, tmpV);
}
else if (Vec2.Magnitude() < Precision::Confusion()) {
gp_Vec tmpV;
gp_Pnt tmpP;
SF.D1(pUV.X()-0.1, pUV.Y(), tmpP, tmpV, Vec2);
}
gp_Vec V = Vec1.Crossed(Vec2);
Standard_Real mod = V.Magnitude();
if (mod < Precision::Confusion())
Standard_NullObject::Raise("Normal vector of a face has null magnitude");
// Set length of normal vector to average radius of curvature
Standard_Real radius = 0.0;
GeomLProp_SLProps aProperties (aSurf, pUV.X(), pUV.Y(), 2, Precision::Confusion());
if (aProperties.IsCurvatureDefined()) {
Standard_Real radius1 = Abs(aProperties.MinCurvature());
Standard_Real radius2 = Abs(aProperties.MaxCurvature());
if (Abs(radius1) > Precision::Confusion()) {
radius = 1.0 / radius1;
if (Abs(radius2) > Precision::Confusion()) {
radius = (radius + 1.0 / radius2) / 2.0;
}
}
else {
if (Abs(radius2) > Precision::Confusion()) {
radius = 1.0 / radius2;
}
}
}
// Set length of normal vector to average dimension of the face
// (only if average radius of curvature is not appropriate)
if (radius < Precision::Confusion()) {
Bnd_Box B;
Standard_Real Xmin, Xmax, Ymin, Ymax, Zmin, Zmax;
BRepBndLib::Add(aFace, B);
B.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
radius = ((Xmax - Xmin) + (Ymax - Ymin) + (Zmax - Zmin)) / 3.0;
}
if (radius < Precision::Confusion())
radius = 1.0;
V *= radius / mod;
// consider the face orientation
if (aFace.Orientation() == TopAbs_REVERSED ||
aFace.Orientation() == TopAbs_INTERNAL) {
V = - V;
}
// Edge
gp_Pnt p2 = p1.Translated(V);
BRepBuilderAPI_MakeEdge aBuilder (p1, p2);
if (!aBuilder.IsDone())
Standard_NullObject::Raise("Vector construction failed");
aShape = aBuilder.Shape();
}
else {
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : SelectEdge
//purpose : Find the edge <NE> connected <CE> by the vertex <CV> in the list <LE>.
// <NE> Is erased of the list. If <CE> is too in the list <LE>
// with the same orientation, it's erased of the list
//=======================================================================
static Standard_Boolean SelectEdge(const TopoDS_Face& F,
const TopoDS_Edge& CE,
const TopoDS_Vertex& CV,
TopoDS_Edge& NE,
TopTools_ListOfShape& LE)
{
TopTools_ListIteratorOfListOfShape itl;
NE.Nullify();
for ( itl.Initialize(LE); itl.More(); itl.Next()) {
if (itl.Value().IsEqual(CE)) {
LE.Remove(itl);
break;
}
}
if (LE.Extent() > 1) {
//--------------------------------------------------------------
// Several possible edges.
// - Test the edges differents of CE
//--------------------------------------------------------------
Standard_Real cf, cl, f, l;
TopoDS_Face FForward = F;
Handle(Geom2d_Curve) Cc, C;
FForward.Orientation(TopAbs_FORWARD);
Cc = BRep_Tool::CurveOnSurface(CE,FForward,cf,cl);
Standard_Real dist,distmin = 100*BRep_Tool::Tolerance(CV);
Standard_Real uc,u;
if (CE.Orientation () == TopAbs_FORWARD) uc = cl;
else uc = cf;
gp_Pnt2d P2,PV = Cc->Value(uc);
Standard_Real delta = FindDelta(LE,FForward);
for ( itl.Initialize(LE); itl.More(); itl.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
if (!E.IsSame(CE)) {
C = BRep_Tool::CurveOnSurface(E,FForward,f,l);
if (E.Orientation () == TopAbs_FORWARD) u = f;
else u = l;
P2 = C->Value(u);
dist = PV.Distance(P2);
if (dist <= distmin){
distmin = dist;
}
}
}
Standard_Real anglemax = - PI;
TopoDS_Edge SelectedEdge;
for ( itl.Initialize(LE); itl.More(); itl.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
if (!E.IsSame(CE)) {
C = BRep_Tool::CurveOnSurface(E,FForward,f,l);
if (E.Orientation () == TopAbs_FORWARD) u = f;
else u = l;
P2 = C->Value(u);
dist = PV.Distance(P2);
if (dist <= distmin + (1./3)*delta){
gp_Pnt2d PC, P;
gp_Vec2d CTg1, CTg2, Tg1, Tg2;
Cc->D2(uc, PC, CTg1, CTg2);
C->D2(u, P, Tg1, Tg2);
Standard_Real angle;
if (CE.Orientation () == TopAbs_REVERSED && E.Orientation () == TopAbs_FORWARD) {
angle = CTg1.Angle(Tg1.Reversed());
}
else if (CE.Orientation () == TopAbs_FORWARD && E.Orientation () == TopAbs_REVERSED) {
angle = (CTg1.Reversed()).Angle(Tg1);
}
else if (CE.Orientation () == TopAbs_REVERSED && E.Orientation () == TopAbs_REVERSED) {
angle = CTg1.Angle(Tg1);
}
else if (CE.Orientation () == TopAbs_FORWARD && E.Orientation () == TopAbs_FORWARD) {
angle = (CTg1.Reversed()).Angle(Tg1.Reversed());
}
if (angle >= anglemax) {
anglemax = angle ;
SelectedEdge = E;
}
}
}
}
for ( itl.Initialize(LE); itl.More(); itl.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
if (E.IsEqual(SelectedEdge)) {
NE = TopoDS::Edge(E);
LE.Remove(itl);
break;
}
}
}
else if (LE.Extent() == 1) {
NE = TopoDS::Edge(LE.First());
LE.RemoveFirst();
}
else {
return Standard_False;
}
return Standard_True;
}
const std::list<gp_Trsf> PolarPattern::getTransformations(const std::vector<App::DocumentObject*>)
{
float angle = Angle.getValue();
if (angle < Precision::Confusion())
throw Base::Exception("Pattern angle too small");
int occurrences = Occurrences.getValue();
if (occurrences < 2)
throw Base::Exception("At least two occurrences required");
bool reversed = Reversed.getValue();
double offset;
if (std::abs(angle - 360.0) < Precision::Confusion())
offset = Base::toRadians<double>(angle) / occurrences; // Because e.g. two occurrences in 360 degrees need to be 180 degrees apart
else
offset = Base::toRadians<double>(angle) / (occurrences - 1);
App::DocumentObject* refObject = Axis.getValue();
if (refObject == NULL)
throw Base::Exception("No axis reference specified");
if (!refObject->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
throw Base::Exception("Axis reference must be edge of a feature");
std::vector<std::string> subStrings = Axis.getSubValues();
if (subStrings.empty() || subStrings[0].empty())
throw Base::Exception("No axis reference specified");
gp_Pnt axbase;
gp_Dir axdir;
if (refObject->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
Part::Part2DObject* refSketch = static_cast<Part::Part2DObject*>(refObject);
Base::Axis axis;
if (subStrings[0] == "H_Axis")
axis = refSketch->getAxis(Part::Part2DObject::H_Axis);
else if (subStrings[0] == "V_Axis")
axis = refSketch->getAxis(Part::Part2DObject::V_Axis);
else if (subStrings[0] == "N_Axis")
axis = refSketch->getAxis(Part::Part2DObject::N_Axis);
else if (subStrings[0].size() > 4 && subStrings[0].substr(0,4) == "Axis") {
int AxId = std::atoi(subStrings[0].substr(4,4000).c_str());
if (AxId >= 0 && AxId < refSketch->getAxisCount())
axis = refSketch->getAxis(AxId);
}
axis *= refSketch->Placement.getValue();
axbase = gp_Pnt(axis.getBase().x, axis.getBase().y, axis.getBase().z);
axdir = gp_Dir(axis.getDirection().x, axis.getDirection().y, axis.getDirection().z);
} else {
Part::Feature* refFeature = static_cast<Part::Feature*>(refObject);
Part::TopoShape refShape = refFeature->Shape.getShape();
TopoDS_Shape ref = refShape.getSubShape(subStrings[0].c_str());
if (ref.ShapeType() == TopAbs_EDGE) {
TopoDS_Edge refEdge = TopoDS::Edge(ref);
if (refEdge.IsNull())
throw Base::Exception("Failed to extract axis edge");
BRepAdaptor_Curve adapt(refEdge);
if (adapt.GetType() != GeomAbs_Line)
throw Base::Exception("Axis edge must be a straight line");
axbase = adapt.Value(adapt.FirstParameter());
axdir = adapt.Line().Direction();
} else {
throw Base::Exception("Axis reference must be an edge");
}
}
TopLoc_Location invObjLoc = this->getLocation().Inverted();
axbase.Transform(invObjLoc.Transformation());
axdir.Transform(invObjLoc.Transformation());
gp_Ax2 axis(axbase, axdir);
if (reversed)
axis.SetDirection(axis.Direction().Reversed());
// Note: The original feature is NOT included in the list of transformations! Therefore
// we start with occurrence number 1, not number 0
std::list<gp_Trsf> transformations;
gp_Trsf trans;
transformations.push_back(trans); // identity transformation
for (int i = 1; i < occurrences; i++) {
trans.SetRotation(axis.Axis(), i * offset);
transformations.push_back(trans);
}
return transformations;
}
const std::list<gp_Trsf> LinearPattern::getTransformations(const std::vector<App::DocumentObject*>)
{
double distance = Length.getValue();
if (distance < Precision::Confusion())
throw Base::Exception("Pattern length too small");
int occurrences = Occurrences.getValue();
if (occurrences < 2)
throw Base::Exception("At least two occurrences required");
bool reversed = Reversed.getValue();
double offset = distance / (occurrences - 1);
App::DocumentObject* refObject = Direction.getValue();
if (refObject == NULL)
throw Base::Exception("No direction reference specified");
std::vector<std::string> subStrings = Direction.getSubValues();
if (subStrings.empty())
throw Base::Exception("No direction reference specified");
gp_Dir dir;
if (refObject->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
Part::Part2DObject* refSketch = static_cast<Part::Part2DObject*>(refObject);
Base::Axis axis;
if (subStrings[0] == "H_Axis")
axis = refSketch->getAxis(Part::Part2DObject::H_Axis);
else if (subStrings[0] == "V_Axis")
axis = refSketch->getAxis(Part::Part2DObject::V_Axis);
else if (subStrings[0] == "N_Axis")
axis = refSketch->getAxis(Part::Part2DObject::N_Axis);
else if (subStrings[0].size() > 4 && subStrings[0].substr(0,4) == "Axis") {
int AxId = std::atoi(subStrings[0].substr(4,4000).c_str());
if (AxId >= 0 && AxId < refSketch->getAxisCount())
axis = refSketch->getAxis(AxId);
}
axis *= refSketch->Placement.getValue();
dir = gp_Dir(axis.getDirection().x, axis.getDirection().y, axis.getDirection().z);
} else if (refObject->getTypeId().isDerivedFrom(PartDesign::Plane::getClassTypeId())) {
PartDesign::Plane* plane = static_cast<PartDesign::Plane*>(refObject);
Base::Vector3d d = plane->getNormal();
dir = gp_Dir(d.x, d.y, d.z);
} else if (refObject->getTypeId().isDerivedFrom(PartDesign::Line::getClassTypeId())) {
PartDesign::Line* line = static_cast<PartDesign::Line*>(refObject);
Base::Vector3d d = line->getDirection();
dir = gp_Dir(d.x, d.y, d.z);
} else if (refObject->getTypeId().isDerivedFrom(App::Line::getClassTypeId())) {
App::Line* line = static_cast<App::Line*>(refObject);
Base::Rotation rot = line->Placement.getValue().getRotation();
Base::Vector3d d(1,0,0);
rot.multVec(d, d);
dir = gp_Dir(d.x, d.y, d.z);
} else if (refObject->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
if (subStrings[0].empty())
throw Base::Exception("No direction reference specified");
Part::Feature* refFeature = static_cast<Part::Feature*>(refObject);
Part::TopoShape refShape = refFeature->Shape.getShape();
TopoDS_Shape ref = refShape.getSubShape(subStrings[0].c_str());
if (ref.ShapeType() == TopAbs_FACE) {
TopoDS_Face refFace = TopoDS::Face(ref);
if (refFace.IsNull())
throw Base::Exception("Failed to extract direction plane");
BRepAdaptor_Surface adapt(refFace);
if (adapt.GetType() != GeomAbs_Plane)
throw Base::Exception("Direction face must be planar");
dir = adapt.Plane().Axis().Direction();
} else if (ref.ShapeType() == TopAbs_EDGE) {
TopoDS_Edge refEdge = TopoDS::Edge(ref);
if (refEdge.IsNull())
throw Base::Exception("Failed to extract direction edge");
BRepAdaptor_Curve adapt(refEdge);
if (adapt.GetType() != GeomAbs_Line)
throw Base::Exception("Direction edge must be a straight line");
dir = adapt.Line().Direction();
} else {
throw Base::Exception("Direction reference must be edge or face");
}
} else {
throw Base::Exception("Direction reference must be edge/face of a feature or a datum line/plane");
}
TopLoc_Location invObjLoc = this->getLocation().Inverted();
dir.Transform(invObjLoc.Transformation());
gp_Vec direction(dir.X(), dir.Y(), dir.Z());
if (reversed)
direction.Reverse();
// Note: The original feature is NOT included in the list of transformations! Therefore
// we start with occurrence number 1, not number 0
std::list<gp_Trsf> transformations;
gp_Trsf trans;
transformations.push_back(trans); // identity transformation
for (int i = 1; i < occurrences; i++) {
trans.SetTranslation(direction * i * offset);
transformations.push_back(trans);
}
return transformations;
}
void Tesselate_Presentation::tesselateShape(const TopoDS_Shape& aShape)
{
// setResultTitle("Tesselate shape");
TCollection_AsciiString aText = (
"/////////////////////////////////////////////////////////////////" EOL
"// Tesselate shape." EOL
"/////////////////////////////////////////////////////////////////" EOL EOL
) ;
Standard_Real aDeflection = DATA[myIndex][0];
Standard_Integer aNumOfFace = (Standard_Integer)DATA[myIndex][1];
Standard_Integer aNumOfEdge = (Standard_Integer)DATA[myIndex][2];
aText +=
"Standard_Real aDeflection;" EOL
"// aDeflection = ... ;" EOL EOL
"// removes all the triangulations of the faces ," EOL
"//and all the polygons on the triangulations of the edges:" EOL
"BRepTools::Clean(aShape);" EOL EOL
"// adds a triangulation of the shape aShape with the deflection aDeflection:" EOL
"BRepMesh::Mesh(aShape,aDeflection);" EOL EOL
"TopExp_Explorer aExpFace,aExpEdge;" EOL
"for(aExpFace.Init(aShape,TopAbs_FACE);aExpFace.More();aExpFace.Next())" EOL
"{ " EOL
" TopoDS_Face aFace = TopoDS::Face(aExpFace.Current());" EOL
" TopLoc_Location aLocation;" EOL EOL
" // takes the triangulation of the face aFace:" EOL
" Handle_Poly_Triangulation aTr = BRep_Tool::Triangulation(aFace,aLocation);" EOL EOL
" if(!aTr.IsNull()) // if this triangulation is not NULL" EOL
" { " EOL
" // takes the array of nodes for this triangulation:" EOL
" const TColgp_Array1OfPnt& aNodes = aTr->Nodes();" EOL
" // takes the array of triangles for this triangulation:" EOL
" const Poly_Array1OfTriangle& triangles = aTr->Triangles();" EOL EOL
" // create array of node points in absolute coordinate system" EOL
" TColgp_Array1OfPnt aPoints(1, aNodes.Length());" EOL
" for( Standard_Integer i = 1; i < aNodes.Length()+1; i++)" EOL
" aPoints(i) = aNodes(i).Transformed(aLocation);" EOL EOL
" // Takes the node points of each triangle of this triangulation." EOL
" // takes a number of triangles:" EOL
" Standard_Integer nnn = aTr->NbTriangles();" EOL
" Standard_Integer nt,n1,n2,n3;" EOL
" for( nt = 1 ; nt < nnn+1 ; nt++)" EOL
" {" EOL
" // takes the node indices of each triangle in n1,n2,n3:" EOL
" triangles(nt).Get(n1,n2,n3);" EOL
" // takes the node points:" EOL
" gp_Pnt aPnt1 = aPoints(n1);" EOL
" gp_Pnt aPnt2 = aPoints(n2);" EOL
" gp_Pnt aPnt3 = aPoints(n3);" EOL
" } " EOL EOL
" // Takes the polygon associated to an edge." EOL
" aExpEdge.Init(aFace,TopAbs_EDGE);" EOL
" TopoDS_Edge aEdge;" EOL
" // for example,working with the first edge:" EOL
" if(aExpEdge.More())" EOL
" aEdge = TopoDS::Edge(aExpEdge.Current());" EOL EOL
" if(!aEdge.IsNull()) // if this edge is not NULL" EOL
" {" EOL
" // takes the polygon associated to the edge aEdge:" EOL
" Handle_Poly_PolygonOnTriangulation aPol = " EOL
" BRep_Tool::PolygonOnTriangulation(aEdge,aTr,aEdge.Location());" EOL EOL
" if(!aPol.IsNull()) // if this polygon is not NULL" EOL
" // takes the array of nodes for this polygon" EOL
" // (indexes in the array of nodes for triangulation of theFace):" EOL
" const TColStd_Array1OfInteger& aNodesOfPol = aPol->Nodes();" EOL
" }" EOL
" }" EOL
"}" EOL EOL
"//==================================================" EOL EOL
;
aText += " Result with deflection = ";
aText += TCollection_AsciiString(aDeflection);
aText += " :" EOL;
GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
// setResultText(aText.ToCString());
//==========================================================================
BRepTools::Clean(aShape);
BRepMesh::Mesh(aShape,aDeflection);
BRep_Builder aBuilder,aBuild1,aBuild2;
TopoDS_Compound aCompound,aComp1,aComp2;
aBuilder.MakeCompound(aCompound);
aBuild1.MakeCompound(aComp1);
aBuild2.MakeCompound(aComp2);
TopTools_SequenceOfShape aVertices;
Standard_Integer aCount = 0;
Standard_Integer aNumOfNodes = 0;
Standard_Integer aNumOfTriangles = 0;
Handle_AIS_InteractiveObject aShowEdge,aShowFace,aShowShape;
TopExp_Explorer aExpFace,aExpEdge;
for(aExpFace.Init(aShape,TopAbs_FACE);aExpFace.More();aExpFace.Next())
{
aCount++;
TopoDS_Face aFace = TopoDS::Face(aExpFace.Current());
TopLoc_Location aLocation;
Handle_Poly_Triangulation aTr = BRep_Tool::Triangulation(aFace,aLocation);
if(!aTr.IsNull())
{
const TColgp_Array1OfPnt& aNodes = aTr->Nodes();
aNumOfNodes += aTr->NbNodes();
Standard_Integer aLower = aNodes.Lower();
Standard_Integer anUpper = aNodes.Upper();
const Poly_Array1OfTriangle& triangles = aTr->Triangles();
aNumOfTriangles += aTr->NbTriangles();
if(aCount == aNumOfFace)
{
Standard_Integer aNbOfNodesOfFace = aTr->NbNodes();
Standard_Integer aNbOfTrianglesOfFace = aTr->NbTriangles();
aExpEdge.Init(aFace,TopAbs_EDGE);
TopoDS_Edge aEdge;
for( Standard_Integer i = 0; aExpEdge.More() && i < aNumOfEdge ; aExpEdge.Next(), i++)
aEdge = TopoDS::Edge(aExpEdge.Current());
if(!aEdge.IsNull())
{
Handle_Poly_PolygonOnTriangulation aPol =
BRep_Tool::PolygonOnTriangulation(aEdge,aTr,aEdge.Location());
if(!aPol.IsNull())
{
const TColStd_Array1OfInteger& aNodesOfPol = aPol->Nodes();
Standard_Integer aNbOfNodesOfEdge = aPol->NbNodes();
aText += "Number of nodes of the edge = ";
aText += TCollection_AsciiString(aNbOfNodesOfEdge) + EOL;
aText += "Number of nodes of the face = ";
aText += TCollection_AsciiString(aNbOfNodesOfFace) + EOL;
aText += "Number of triangles of the face = ";
aText += TCollection_AsciiString(aNbOfTrianglesOfFace) + EOL;
GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
// setResultText(aText.ToCString());
Standard_Integer aLower = aNodesOfPol.Lower(), anUpper = aNodesOfPol.Upper();
for( int i = aLower; i < anUpper ; i++)
{
gp_Pnt aPnt1 = aNodes(aNodesOfPol(i)).Transformed(aLocation);
gp_Pnt aPnt2 = aNodes(aNodesOfPol(i+1)).Transformed(aLocation);
TopoDS_Vertex aVertex1 = BRepBuilderAPI_MakeVertex (aPnt1);
TopoDS_Vertex aVertex2 = BRepBuilderAPI_MakeVertex (aPnt2);
if(!aVertex1.IsNull() && !aVertex2.IsNull() && // if vertices are "alive"
!BRep_Tool::Pnt(aVertex1).IsEqual(
BRep_Tool::Pnt(aVertex2),Precision::Confusion())) // if they are different
{
aEdge = BRepBuilderAPI_MakeEdge (aVertex1,aVertex2);
aBuild2.Add(aComp2,aVertex1);
if(!aEdge.IsNull())
aBuild2.Add(aComp2,aEdge);
if(i == anUpper-1)
aBuild2.Add(aComp2,aVertex2);
}
}
getAISContext()->EraseAll();
aShowShape = drawShape(aShape);
if(WAIT_A_SECOND) return;
aShowEdge = drawShape(aComp2,Quantity_NOC_GREEN);
getAISContext()->Erase(aShowShape);
if(WAIT_A_SECOND) return;
}
}
}
TopTools_DataMapOfIntegerShape aEdges;
TopTools_SequenceOfShape aVertices;
for( Standard_Integer i = 1; i < aNodes.Length()+1; i++)
{
gp_Pnt aPnt = aNodes(i).Transformed(aLocation);
TopoDS_Vertex aVertex = BRepBuilderAPI_MakeVertex(aPnt);
if(!aVertex.IsNull())
{
aBuilder.Add(aCompound,aVertex);
if(aCount == aNumOfFace )
aBuild1.Add(aComp1,aVertex);
aVertices.Append(aVertex);
}
}
Standard_Integer nnn = aTr->NbTriangles();
Standard_Integer nt,n1,n2,n3;
for( nt = 1 ; nt < nnn+1 ; nt++)
{
triangles(nt).Get(n1,n2,n3);
Standard_Integer key[3];
TopoDS_Vertex aV1,aV2;
key[0] = _key(n1, n2);
if(!aEdges.IsBound(key[0]))
{
aV1 = TopoDS::Vertex(aVertices(n1));
aV2 = TopoDS::Vertex(aVertices(n2));
if(!aV1.IsNull() && !aV2.IsNull() &&
!BRep_Tool::Pnt(aV1).IsEqual(BRep_Tool::Pnt(aV2),Precision::Confusion()))
{
TopoDS_Edge aEdge = BRepBuilderAPI_MakeEdge (aV1,aV2);
if(!aEdge.IsNull())
{
aEdges.Bind(key[0], aEdge);
aBuilder.Add(aCompound,aEdges(key[0]));
if(aCount == aNumOfFace)
aBuild1.Add(aComp1,aEdges(key[0]));
}
}
}
key[1] = _key(n2,n3);
if(!aEdges.IsBound(key[1]))
{
aV1 = TopoDS::Vertex(aVertices(n2));
aV2 = TopoDS::Vertex(aVertices(n3));
if(!aV1.IsNull() && !aV2.IsNull() &&
!BRep_Tool::Pnt(aV1).IsEqual(BRep_Tool::Pnt(aV2),Precision::Confusion()))
{
TopoDS_Edge aEdge = BRepBuilderAPI_MakeEdge (aV1,aV2);
if(!aEdge.IsNull())
{
aEdges.Bind(key[1],aEdge);
aBuilder.Add(aCompound,aEdges(key[1]));
if(aCount == aNumOfFace)
aBuild1.Add(aComp1,aEdges(key[1]));
}
}
}
key[2] = _key(n3,n1);
if(!aEdges.IsBound(key[2]))
{
aV1 = TopoDS::Vertex(aVertices(n3));
aV2 = TopoDS::Vertex(aVertices(n1));
if(!aV1.IsNull() && !aV2.IsNull() &&
!BRep_Tool::Pnt(aV1).IsEqual(BRep_Tool::Pnt(aV2),Precision::Confusion()))
{
TopoDS_Edge aEdge = BRepBuilderAPI_MakeEdge (aV1,aV2);
if(!aEdge.IsNull())
{
aEdges.Bind(key[2],aEdge);
aBuilder.Add(aCompound,aEdges(key[2]));
if(aCount == aNumOfFace)
aBuild1.Add(aComp1,aEdges(key[2]));
}
}
}
}
if(aCount == aNumOfFace)
{
aShowFace = drawShape(aComp1,Quantity_NOC_GREEN);
getAISContext()->Erase(aShowEdge);
}
}
else
{
aText += "Can't compute a triangulation on face ";
aText += TCollection_AsciiString(aCount) + EOL;
GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
// setResultText(aText.ToCString());
}
}
aText += "Number of nodes of the shape = ";
aText += TCollection_AsciiString(aNumOfNodes) + EOL;
aText += "Number of triangles of the shape = ";
aText += TCollection_AsciiString(aNumOfTriangles) + EOL EOL;
GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
// setResultText(aText.ToCString());
if(WAIT_A_SECOND) return;
drawShape(aCompound,Quantity_NOC_GREEN);
getAISContext()->Erase(aShowFace);
}
//=======================================================================
//function : GetApproxNormalToFaceOnEdge
//purpose :
//=======================================================================
void GetApproxNormalToFaceOnEdge (const TopoDS_Edge& aEx,
const TopoDS_Face& aFx,
Standard_Real aT,
gp_Pnt& aPF,
gp_Dir& aDNF,
IntTools_Context& aCtx)
{
Standard_Boolean bReverse;
Standard_Real aT1, aT2, dT, aU, aV;
gp_Dir aDTT, aDNFT, aDBT;
gp_Pnt aPFT, aPFx;
Handle(Geom_Curve) aC3D;
Handle(Geom_Surface) aS;
GeomAdaptor_Surface aGAS;
GeomAbs_SurfaceType aTS;
TopoDS_Face aF;
TopoDS_Edge aE;
//
bReverse=Standard_False;
aF=aFx;
aE=aEx;
if (aF.Orientation()==TopAbs_REVERSED){
bReverse=!bReverse;
aE.Reverse();
//
aF.Orientation(TopAbs_FORWARD);
}
//
// Point at aT
aC3D =BRep_Tool::Curve(aE, aT1, aT2);
aC3D->D0(aT, aPFT);
//
// Normal at aT
BOPTools_Tools3D::GetNormalToFaceOnEdge (aE, aF, aT, aDNFT);
// Tangent at aT
BOPTools_Tools3D::GetTangentToEdge(aE, aT, aDTT);
//
// Binormal at aT
aDBT=aDNFT^aDTT;
//
dT=BOPTools_Tools3D::MinStepIn2d();//~1.e-5;
dT=10.*dT;
//----------------------------------------------
{
aS=BRep_Tool::Surface(aF);
aGAS.Load(aS);
aTS=aGAS.GetType();
if (aTS==GeomAbs_BSplineSurface ||
aTS==GeomAbs_BezierSurface ||
aTS==GeomAbs_Plane) {
Standard_Real aTolEx, aTolFx, aTol, dUR, dVR, dR;
//
aTolEx=BRep_Tool::Tolerance(aEx);
aTolFx=BRep_Tool::Tolerance(aFx);
aTol=2.*aTolEx+aTolFx;
dUR=aGAS.UResolution(aTol);
dVR=aGAS.VResolution(aTol);
dR=(dUR>dVR)? dUR : dVR;
if (dR>dT) {
dT=dR;
}
}
//modified by NIZNHY-PKV Thu Dec 02 10:39:09 2010f
else if (GeomAbs_Torus ||
aTS==GeomAbs_Cylinder){
Standard_Real aTolEx, aTolFx, aTol;
//
aTolEx=BRep_Tool::Tolerance(aEx);
aTolFx=BRep_Tool::Tolerance(aFx);
aTol=2.*aTolEx+aTolFx;
if (aTol>dT) {
dT=aTol;
}
}
//modified by NIZNHY-PKV Thu Dec 02 10:39:13 2010t
}
//----------------------------------------------
//
aPFx.SetXYZ(aPFT.XYZ()+dT*aDBT.XYZ());
//
aPF=aPFx;
aDNF=aDNFT;
if (bReverse) {
aDNF.Reverse();
}
//
GeomAPI_ProjectPointOnSurf& aProjector=aCtx.ProjPS(aF);
//
aProjector.Perform(aPFx);
if(aProjector.IsDone()) {
aProjector.LowerDistanceParameters (aU, aV);
aS->D0(aU, aV, aPF);
BOPTools_Tools3D::GetNormalToSurface (aS, aU, aV, aDNF);
if (bReverse){
aDNF.Reverse();
}
}
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_Fillet1dDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IFillet1d aCI (aFunction);
Handle(GEOM_Function) aRefShape = aCI.GetShape();
TopoDS_Shape aShape = aRefShape->GetValue();
if (aShape.IsNull())
return 0;
if (aShape.ShapeType() != TopAbs_WIRE)
Standard_ConstructionError::Raise("Wrong arguments: polyline as wire must be given");
TopoDS_Wire aWire = TopoDS::Wire(aShape);
double rad = aCI.GetR();
if ( rad < Precision::Confusion())
return 0;
// collect vertices for make fillet
TopTools_ListOfShape aVertexList;
TopTools_MapOfShape mapShape;
int aLen = aCI.GetLength();
if ( aLen > 0 ) {
for (int ind = 1; ind <= aLen; ind++) {
TopoDS_Shape aShapeVertex;
if (GEOMImpl_ILocalOperations::GetSubShape
(aWire, aCI.GetVertex(ind), aShapeVertex))
if (mapShape.Add(aShapeVertex))
aVertexList.Append( aShapeVertex );
}
} else { // get all vertices from wire
TopExp_Explorer anExp( aWire, TopAbs_VERTEX );
for ( ; anExp.More(); anExp.Next() ) {
if (mapShape.Add(anExp.Current()))
aVertexList.Append( anExp.Current() );
}
}
if (aVertexList.IsEmpty())
Standard_ConstructionError::Raise("Invalid input no vertices to make fillet");
//INFO: this algorithm implemented in assumption that user can select both
// vertices of some edges to make fillet. In this case we should remember
// already modified initial edges to take care in next fillet step
TopTools_DataMapOfShapeShape anEdgeToEdgeMap;
//iterates on vertices, and make fillet on each couple of edges
//collect result fillet edges in list
TopTools_ListOfShape aListOfNewEdge;
// remember relation between initial and modified map
TopTools_IndexedDataMapOfShapeListOfShape aMapVToEdges;
TopExp::MapShapesAndAncestors( aWire, TopAbs_VERTEX, TopAbs_EDGE, aMapVToEdges );
TopTools_ListIteratorOfListOfShape anIt( aVertexList );
for ( ; anIt.More(); anIt.Next() ) {
TopoDS_Vertex aV = TopoDS::Vertex( anIt.Value() );
if ( aV.IsNull() || !aMapVToEdges.Contains( aV ) )
continue;
const TopTools_ListOfShape& aVertexEdges = aMapVToEdges.FindFromKey( aV );
if ( aVertexEdges.Extent() != 2 )
continue; // no input data to make fillet
TopoDS_Edge anEdge1 = TopoDS::Edge( aVertexEdges.First() );
TopoDS_Edge anEdge2 = TopoDS::Edge( aVertexEdges.Last() );
// check if initial edges already modified in previous fillet operation
if ( anEdgeToEdgeMap.IsBound( anEdge1 ) ) anEdge1 = TopoDS::Edge(anEdgeToEdgeMap.Find( anEdge1 ));
if ( anEdgeToEdgeMap.IsBound( anEdge2 ) ) anEdge2 = TopoDS::Edge(anEdgeToEdgeMap.Find( anEdge2 ));
if ( anEdge1.IsNull() || anEdge2.IsNull() || anEdge1.IsSame( anEdge2 ) )
continue; //no input data to make fillet
// create plane on 2 edges
gp_Pln aPlane;
if ( !takePlane(anEdge1, anEdge2, aV, aPlane) )
continue; // seems edges does not belong to same plane or parallel (fillet can not be build)
GEOMImpl_Fillet1d aFilletAlgo(anEdge1, anEdge2, aPlane);
if ( !aFilletAlgo.Perform(rad) )
continue; // can not create fillet with given radius
// take fillet result in given vertex
TopoDS_Edge aModifE1, aModifE2;
TopoDS_Edge aNewE = aFilletAlgo.Result(BRep_Tool::Pnt(aV), aModifE1, aModifE2);
if (aNewE.IsNull())
continue; // no result found
// add new created edges and take modified edges
aListOfNewEdge.Append( aNewE );
// check if face edges modified,
// if yes, than map to original edges (from vertex-edges list), because edges can be modified before
if (aModifE1.IsNull() || !anEdge1.IsSame( aModifE1 ))
addEdgeRelation( anEdgeToEdgeMap, TopoDS::Edge(aVertexEdges.First()), aModifE1 );
if (aModifE2.IsNull() || !anEdge2.IsSame( aModifE2 ))
addEdgeRelation( anEdgeToEdgeMap, TopoDS::Edge(aVertexEdges.Last()), aModifE2 );
}
if ( anEdgeToEdgeMap.IsEmpty() && aListOfNewEdge.IsEmpty() ) {
StdFail_NotDone::Raise("1D Fillet can't be computed on the given shape with the given radius");
return 0;
}
// create new wire instead of original
for ( TopExp_Explorer anExp( aWire, TopAbs_EDGE ); anExp.More(); anExp.Next() ) {
TopoDS_Shape anEdge = anExp.Current();
if ( !anEdgeToEdgeMap.IsBound( anEdge ) )
aListOfNewEdge.Append( anEdge );
else if (!anEdgeToEdgeMap.Find( anEdge ).IsNull())
aListOfNewEdge.Append( anEdgeToEdgeMap.Find( anEdge ) );
}
GEOMImpl_IShapesOperations::SortShapes( aListOfNewEdge );
BRepBuilderAPI_MakeWire aWireTool;
aWireTool.Add( aListOfNewEdge );
aWireTool.Build();
if (!aWireTool.IsDone())
return 0;
aWire = aWireTool.Wire();
aFunction->SetValue(aWire);
log.SetTouched(Label());
return 1;
}
