1 // Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #ifndef _GEOMUtils_HXX_
24 #define _GEOMUtils_HXX_
26 #include <TopoDS_Shape.hxx>
27 #include <TopoDS_Vertex.hxx>
29 #include <TopTools_ListOfShape.hxx>
36 #include <NCollection_DataMap.hxx>
40 inline Standard_Boolean IsEqual (const TopoDS_Shape& S1, const TopoDS_Shape& S2)
49 * \brief Get Local Coordinate System, corresponding to the given shape.
51 * Origin of the LCS is situated at the shape's center of mass.
52 * Axes of the LCS are obtained from shape's location or,
53 * if the shape is a planar face, from position of its plane.
55 Standard_EXPORT static gp_Ax3 GetPosition (const TopoDS_Shape& theShape);
58 * \brief Get vector, defined by the given edge.
59 * \param theShape The edge.
60 * \param doConsiderOrientation If True, take into account the edge orientation.
61 * \note It is recommended to use doConsiderOrientation=Standard_False, because
62 * the same edge can have different orientation depending on the way it was
63 * extracted from a shape.
65 Standard_EXPORT static gp_Vec GetVector (const TopoDS_Shape& theShape,
66 Standard_Boolean doConsiderOrientation);
69 * \brief Sort shapes in the list by their coordinates.
70 * \param SL The list of shapes to sort.
72 struct CompareShapes : public std::binary_function<TopoDS_Shape, TopoDS_Shape, bool>
74 CompareShapes (bool isOldSorting)
75 : myIsOldSorting(isOldSorting) {}
77 bool operator() (const TopoDS_Shape& lhs, const TopoDS_Shape& rhs);
79 typedef NCollection_DataMap<TopoDS_Shape, std::pair<double, double> > GEOMUtils_DataMapOfShapeDouble;
80 GEOMUtils_DataMapOfShapeDouble myMap;
85 * \brief Sort shapes by their centers of mass, using formula X*999 + Y*99 + Z*0.9
87 Standard_EXPORT static void SortShapes (TopTools_ListOfShape& SL,
88 const Standard_Boolean isOldSorting = Standard_True);
91 * \brief Convert TopoDS_COMPSOLID to TopoDS_COMPOUND.
93 * If the argument shape is not of type TopoDS_COMPSOLID, this method returns it as is.
95 * \param theCompsolid The compsolid to be converted.
96 * \retval TopoDS_Shape Returns the resulting compound.
98 Standard_EXPORT static TopoDS_Shape CompsolidToCompound (const TopoDS_Shape& theCompsolid);
101 * \brief Recursively extract all shapes from compounds and compsolids of the given shape into theList.
103 * If theShape is not compound or compsolid, theList will contain only theShape itself.
105 * \param theShape The shape to be exploded.
106 * \param theList Output parameter.
108 Standard_EXPORT static void AddSimpleShapes (const TopoDS_Shape& theShape,
109 TopTools_ListOfShape& theList);
112 * \brief Build a triangulation on \a theShape if it is absent.
113 * \param theShape The shape to check/build triangulation on.
114 * \retval bool Returns false if the shape has no faces, i.e. impossible to build triangulation.
116 Standard_EXPORT static bool CheckTriangulation (const TopoDS_Shape& theShape);
119 * \brief Return type of shape for explode. In case of compound it will be a type of its first sub shape.
120 * \param theShape The shape to get type of.
121 * \retval TopAbs_ShapeEnum Return type of shape for explode.
123 Standard_EXPORT static TopAbs_ShapeEnum GetTypeOfSimplePart (const TopoDS_Shape& theShape);
126 * \brief Find an edge of theShape, closest to thePoint.
128 * \param theShape The shape to explore.
129 * \param thePoint The point near the required edge.
130 * \retval TopoDS_Shape Returns the found edge or an empty shape if multiple edges found.
132 Standard_EXPORT static TopoDS_Shape GetEdgeNearPoint (const TopoDS_Shape& theShape,
133 const TopoDS_Vertex& thePoint);