1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: GeomAPI_Shape.cpp
4 // Created: 23 Apr 2014
5 // Author: Mikhail PONIKAROV
7 #include "GeomAPI_Shape.h"
9 #include <BRep_Tool.hxx>
10 #include <BRepBndLib.hxx>
11 #include <BRepBuilderAPI_FindPlane.hxx>
12 #include <BRepTools.hxx>
13 #include <Bnd_Box.hxx>
14 #include <Geom_Circle.hxx>
15 #include <Geom_Conic.hxx>
16 #include <Geom_Curve.hxx>
17 #include <Geom_Ellipse.hxx>
18 #include <Geom_Hyperbola.hxx>
19 #include <Geom_Line.hxx>
20 #include <Geom_Parabola.hxx>
21 #include <Geom_Plane.hxx>
22 #include <Geom_RectangularTrimmedSurface.hxx>
23 #include <Geom_TrimmedCurve.hxx>
24 #include <TopExp_Explorer.hxx>
26 #include <TopoDS_Iterator.hxx>
27 #include <TopoDS_Shape.hxx>
28 #include <NCollection_List.hxx>
32 #define MY_SHAPE implPtr<TopoDS_Shape>()
34 GeomAPI_Shape::GeomAPI_Shape()
35 : GeomAPI_Interface(new TopoDS_Shape())
39 std::shared_ptr<GeomAPI_Shape> GeomAPI_Shape::emptyCopied() const
41 GeomShapePtr aShape(new GeomAPI_Shape());
42 aShape->setImpl(new TopoDS_Shape(MY_SHAPE->EmptyCopied()));
46 bool GeomAPI_Shape::isNull() const
48 return MY_SHAPE->IsNull() == Standard_True;
51 bool GeomAPI_Shape::isEqual(const std::shared_ptr<GeomAPI_Shape> theShape) const
56 return theShape->isNull();
57 if (theShape->isNull())
60 return MY_SHAPE->IsEqual(theShape->impl<TopoDS_Shape>()) == Standard_True;
63 bool GeomAPI_Shape::isVertex() const
65 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
66 return !aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX;
69 bool GeomAPI_Shape::isEdge() const
71 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
72 return !aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE;
75 bool GeomAPI_Shape::isFace() const
77 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
78 return !aShape.IsNull() && aShape.ShapeType() == TopAbs_FACE;
81 bool GeomAPI_Shape::isCompound() const
83 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
84 return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPOUND;
87 bool GeomAPI_Shape::isCompoundOfSolids() const
89 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
90 if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
92 bool isAtLeastOne = false;
93 for(TopoDS_Iterator aSubs(aShape); aSubs.More(); aSubs.Next()) {
94 if (aSubs.Value().IsNull() || aSubs.Value().ShapeType() != TopAbs_SOLID)
101 // adds the nopt-compound elements recursively to the list
102 static void addSimpleToList(const TopoDS_Shape& theShape, NCollection_List<TopoDS_Shape>& theList)
104 if (!theShape.IsNull()) {
105 if (theShape.ShapeType() == TopAbs_COMPOUND) {
106 for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
107 addSimpleToList(aSubs.Value(), theList);
110 theList.Append(theShape);
115 bool GeomAPI_Shape::isConnectedTopology() const
117 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
118 if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
120 NCollection_List<TopoDS_Shape> aNotConnected; // list of simple elements that are not detected in connection to others
121 addSimpleToList(aShape, aNotConnected);
122 if (aNotConnected.IsEmpty()) // an empty compound
125 // collect here the group of connected subs, starting with one first element
126 NCollection_List<TopoDS_Shape> aNewConnected;
127 aNewConnected.Append(aNotConnected.First());
128 aNotConnected.RemoveFirst();
129 // iterate until some new element become connected
130 while(!aNewConnected.IsEmpty() && !aNotConnected.IsEmpty()) {
131 NCollection_List<TopoDS_Shape> aNew; // very new connected to new connected
132 NCollection_List<TopoDS_Shape>::Iterator aNotIter(aNotConnected);
133 while(aNotIter.More()) {
134 bool aConnected = false;
135 NCollection_List<TopoDS_Shape>::Iterator aNewIter(aNewConnected);
136 for(; !aConnected && aNewIter.More(); aNewIter.Next()) {
137 // checking topological connecion of aNotIter and aNewIter (if shapes are connected, vertices are connected for sure)
138 TopExp_Explorer anExp1(aNotIter.Value(), TopAbs_VERTEX);
139 for(; !aConnected && anExp1.More(); anExp1.Next()) {
140 TopExp_Explorer anExp2(aNewIter.Value(), TopAbs_VERTEX);
141 for(; anExp2.More(); anExp2.Next()) {
142 if (anExp1.Current().IsSame(anExp2.Current())) {
150 aNew.Append(aNotIter.Value());
151 aNotConnected.Remove(aNotIter);
156 // remove all new connected and put to this list very new connected
157 aNewConnected.Clear();
158 aNewConnected.Append(aNew);
160 return aNotConnected.IsEmpty() == Standard_True;
163 bool GeomAPI_Shape::isSolid() const
165 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
166 return !aShape.IsNull() && aShape.ShapeType() == TopAbs_SOLID;
169 bool GeomAPI_Shape::isCompSolid() const
171 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
172 return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPSOLID;
175 bool GeomAPI_Shape::isPlanar() const
177 TopoDS_Shape aShape = impl<TopoDS_Shape>();
179 if(aShape.IsNull()) {
183 TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
184 if(aShapeType == TopAbs_COMPOUND) {
185 TopoDS_Iterator anIt(aShape);
187 for(; anIt.More(); anIt.Next()) {
191 anIt.Initialize(aShape);
192 aShape = anIt.Value();
196 aShapeType = aShape.ShapeType();
197 if(aShapeType == TopAbs_VERTEX) {
199 } else if(aShapeType == TopAbs_FACE) {
200 const Handle(Geom_Surface)& aSurface = BRep_Tool::Surface(TopoDS::Face(aShape));
201 Handle(Standard_Type) aType = aSurface->DynamicType();
203 if(aType == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
204 Handle(Geom_RectangularTrimmedSurface) aTrimSurface = Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
205 aType = aTrimSurface->BasisSurface()->DynamicType();
207 return (aType == STANDARD_TYPE(Geom_Plane)) == Standard_True;
209 BRepBuilderAPI_FindPlane aFindPlane(aShape);
210 bool isFound = aFindPlane.Found() == Standard_True;
212 if(!isFound && aShapeType == TopAbs_EDGE) {
213 Standard_Real aFirst, aLast;
214 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aShape), aFirst, aLast);
215 Handle(Standard_Type) aType = aCurve->DynamicType();
217 if(aType == STANDARD_TYPE(Geom_TrimmedCurve)) {
218 Handle(Geom_TrimmedCurve) aTrimCurve = Handle(Geom_TrimmedCurve)::DownCast(aCurve);
219 aType = aTrimCurve->BasisCurve()->DynamicType();
222 if(aType == STANDARD_TYPE(Geom_Line)
223 || aType == STANDARD_TYPE(Geom_Conic)
224 || aType == STANDARD_TYPE(Geom_Circle)
225 || aType == STANDARD_TYPE(Geom_Ellipse)
226 || aType == STANDARD_TYPE(Geom_Hyperbola)
227 || aType == STANDARD_TYPE(Geom_Parabola)) {
238 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeType() const
240 const TopoDS_Shape& aShape = impl<TopoDS_Shape>();
242 ShapeType aST = GeomAPI_Shape::SHAPE;
244 switch(aShape.ShapeType()) {
245 case TopAbs_COMPOUND:
246 aST = GeomAPI_Shape::COMPOUND;
248 case TopAbs_COMPSOLID:
249 aST = GeomAPI_Shape::COMPSOLID;
252 aST = GeomAPI_Shape::SOLID;
255 aST = GeomAPI_Shape::SHELL;
258 aST = GeomAPI_Shape::FACE;
261 aST = GeomAPI_Shape::WIRE;
264 aST = GeomAPI_Shape::EDGE;
267 aST = GeomAPI_Shape::VERTEX;
270 aST = GeomAPI_Shape::SHAPE;
277 std::string GeomAPI_Shape::shapeTypeStr() const
279 ShapeType aShapeType = shapeType();
280 std::string aShapeTypeStr;
284 aShapeTypeStr = "Compound";
288 aShapeTypeStr = "CompSolid";
292 aShapeTypeStr = "Solid";
296 aShapeTypeStr = "Shell";
300 aShapeTypeStr = "Face";
304 aShapeTypeStr = "Wire";
308 aShapeTypeStr = "Edge";
312 aShapeTypeStr = "Vertex";
316 aShapeTypeStr = "Shape";
321 return aShapeTypeStr;
324 GeomAPI_Shape::Orientation GeomAPI_Shape::orientation() const
326 TopAbs_Orientation anOrientation = MY_SHAPE->Orientation();
328 switch(anOrientation) {
329 case TopAbs_FORWARD: return FORWARD;
330 case TopAbs_REVERSED: return REVERSED;
331 case TopAbs_INTERNAL: return INTERNAL;
332 case TopAbs_EXTERNAL: return EXTERNAL;
333 default: return FORWARD;
337 void GeomAPI_Shape::setOrientation(const GeomAPI_Shape::Orientation theOrientation)
339 TopAbs_Orientation anOrientation = MY_SHAPE->Orientation();
341 switch(theOrientation) {
342 case FORWARD: MY_SHAPE->Orientation(TopAbs_FORWARD); break;
343 case REVERSED: MY_SHAPE->Orientation(TopAbs_REVERSED); break;
344 case INTERNAL: MY_SHAPE->Orientation(TopAbs_INTERNAL); break;
345 case EXTERNAL: MY_SHAPE->Orientation(TopAbs_EXTERNAL); break;
349 bool GeomAPI_Shape::isSubShape(const std::shared_ptr<GeomAPI_Shape> theShape) const
351 if(!theShape.get()) {
355 const TopoDS_Shape& aShapeToSearch = theShape->impl<TopoDS_Shape>();
356 if(aShapeToSearch.IsNull()) {
360 for(TopExp_Explorer anExp(*MY_SHAPE, aShapeToSearch.ShapeType()); anExp.More(); anExp.Next()) {
361 if(aShapeToSearch.IsEqual(anExp.Current())) {
369 bool GeomAPI_Shape::computeSize(double& theXmin, double& theYmin, double& theZmin,
370 double& theXmax, double& theYmax, double& theZmax) const
372 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
376 BRepBndLib::Add(aShape, aBndBox);
377 aBndBox.Get(theXmin, theYmin, theZmin, theXmax, theYmax, theZmax);
381 std::string GeomAPI_Shape::getShapeStream() const
383 std::ostringstream aStream;
384 const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
385 BRepTools::Write(aShape, aStream);
386 return aStream.str();