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138 lines
4.9 KiB
C++
138 lines
4.9 KiB
C++
// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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#ifndef _GEOMUtils_HXX_
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#define _GEOMUtils_HXX_
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TopAbs.hxx>
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#include <gp_Ax3.hxx>
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#include <gp_Vec.hxx>
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#include <NCollection_DataMap.hxx>
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#include <functional>
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inline Standard_Boolean IsEqual (const TopoDS_Shape& S1, const TopoDS_Shape& S2)
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{
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return S1.IsSame(S2);
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}
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class GEOMUtils {
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public:
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/*!
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* \brief Get Local Coordinate System, corresponding to the given shape.
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*
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* Origin of the LCS is situated at the shape's center of mass.
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* Axes of the LCS are obtained from shape's location or,
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* if the shape is a planar face, from position of its plane.
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*/
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Standard_EXPORT static gp_Ax3 GetPosition (const TopoDS_Shape& theShape);
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/*!
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* \brief Get vector, defined by the given edge.
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* \param theShape The edge.
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* \param doConsiderOrientation If True, take into account the edge orientation.
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* \note It is recommended to use doConsiderOrientation=Standard_False, because
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* the same edge can have different orientation depending on the way it was
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* extracted from a shape.
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*/
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Standard_EXPORT static gp_Vec GetVector (const TopoDS_Shape& theShape,
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Standard_Boolean doConsiderOrientation);
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/*!
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* \brief Sort shapes in the list by their coordinates.
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* \param SL The list of shapes to sort.
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*/
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struct CompareShapes : public std::binary_function<TopoDS_Shape, TopoDS_Shape, bool>
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{
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CompareShapes (bool isOldSorting)
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: myIsOldSorting(isOldSorting) {}
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bool operator() (const TopoDS_Shape& lhs, const TopoDS_Shape& rhs);
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typedef NCollection_DataMap<TopoDS_Shape, std::pair<double, double> > GEOMUtils_DataMapOfShapeDouble;
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GEOMUtils_DataMapOfShapeDouble myMap;
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bool myIsOldSorting;
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};
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/*!
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* \brief Sort shapes by their centers of mass, using formula X*999 + Y*99 + Z*0.9
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*/
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Standard_EXPORT static void SortShapes (TopTools_ListOfShape& SL,
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const Standard_Boolean isOldSorting = Standard_True);
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/*!
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* \brief Convert TopoDS_COMPSOLID to TopoDS_COMPOUND.
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*
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* If the argument shape is not of type TopoDS_COMPSOLID, this method returns it as is.
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*
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* \param theCompsolid The compsolid to be converted.
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* \retval TopoDS_Shape Returns the resulting compound.
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*/
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Standard_EXPORT static TopoDS_Shape CompsolidToCompound (const TopoDS_Shape& theCompsolid);
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/*!
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* \brief Recursively extract all shapes from compounds and compsolids of the given shape into theList.
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*
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* If theShape is not compound or compsolid, theList will contain only theShape itself.
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*
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* \param theShape The shape to be exploded.
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* \param theList Output parameter.
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*/
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Standard_EXPORT static void AddSimpleShapes (const TopoDS_Shape& theShape,
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TopTools_ListOfShape& theList);
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/*!
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* \brief Build a triangulation on \a theShape if it is absent.
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* \param theShape The shape to check/build triangulation on.
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* \retval bool Returns false if the shape has no faces, i.e. impossible to build triangulation.
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*/
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Standard_EXPORT static bool CheckTriangulation (const TopoDS_Shape& theShape);
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/*!
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* \brief Return type of shape for explode. In case of compound it will be a type of its first sub shape.
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* \param theShape The shape to get type of.
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* \retval TopAbs_ShapeEnum Return type of shape for explode.
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*/
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Standard_EXPORT static TopAbs_ShapeEnum GetTypeOfSimplePart (const TopoDS_Shape& theShape);
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/*!
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* \brief Find an edge of theShape, closest to thePoint.
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*
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* \param theShape The shape to explore.
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* \param thePoint The point near the required edge.
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* \retval TopoDS_Shape Returns the found edge or an empty shape if multiple edges found.
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*/
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Standard_EXPORT static TopoDS_Shape GetEdgeNearPoint (const TopoDS_Shape& theShape,
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const TopoDS_Vertex& thePoint);
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};
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#endif
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