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- Fixed excessive whitespace in multi-line comments - Corrected spelling errors (e.g., "selectionnable" → "selectable", "begenning" → "beginning") - Improved comment formatting and readability
384 lines
20 KiB
C++
384 lines
20 KiB
C++
// Created on: 1993-07-07
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// Created by: Remi LEQUETTE
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BRep_Tool_HeaderFile
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#define _BRep_Tool_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom2d_Curve.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Pnt.hxx>
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#include <Poly_ListOfTriangulation.hxx>
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#include <Poly_Polygon3D.hxx>
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#include <Poly_Polygon2D.hxx>
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#include <Poly_PolygonOnTriangulation.hxx>
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#include <TopAbs_ShapeEnum.hxx>
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class TopoDS_Shape;
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class TopoDS_Face;
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class TopLoc_Location;
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class TopoDS_Edge;
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class TopoDS_Vertex;
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//! Provides class methods to access to the geometry
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//! of BRep shapes.
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class BRep_Tool
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! If S is Shell, returns True if it has no free boundaries (edges).
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//! If S is Wire, returns True if it has no free ends (vertices).
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//! (Internal and External sub-shepes are ignored in these checks)
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//! If S is Edge, returns True if its vertices are the same.
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//! For other shape types returns S.Closed().
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Standard_EXPORT static Standard_Boolean IsClosed(const TopoDS_Shape& S);
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//! Returns the geometric surface of the face. Returns
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//! in <L> the location for the surface.
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Standard_EXPORT static const Handle(Geom_Surface)& Surface(const TopoDS_Face& F,
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TopLoc_Location& L);
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//! Returns the geometric surface of the face. It can
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//! be a copy if there is a Location.
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Standard_EXPORT static Handle(Geom_Surface) Surface(const TopoDS_Face& F);
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//! Returns the triangulation of the face according to the mesh purpose.
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//! @param[in] theFace the input face to find triangulation.
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//! @param[out] theLocation the face location.
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//! @param[in] theMeshPurpose a mesh purpose to find appropriate triangulation (NONE by default).
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//! @return an active triangulation in case of NONE purpose,
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//! the first triangulation appropriate for the input purpose,
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//! just the first triangulation if none matching other criteria and input purpose is
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//! AnyFallback or null handle if there is no any suitable triangulation.
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Standard_EXPORT static const Handle(Poly_Triangulation)& Triangulation(
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const TopoDS_Face& theFace,
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TopLoc_Location& theLocation,
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const Poly_MeshPurpose theMeshPurpose = Poly_MeshPurpose_NONE);
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//! Returns all triangulations of the face.
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//! @param[in] theFace the input face.
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//! @param[out] theLocation the face location.
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//! @return list of all available face triangulations.
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Standard_EXPORT static const Poly_ListOfTriangulation& Triangulations(
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const TopoDS_Face& theFace,
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TopLoc_Location& theLocation);
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//! Returns the tolerance of the face.
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Standard_EXPORT static Standard_Real Tolerance(const TopoDS_Face& F);
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//! Returns the NaturalRestriction flag of the face.
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Standard_EXPORT static Standard_Boolean NaturalRestriction(const TopoDS_Face& F);
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//! Returns True if <F> has a surface, false otherwise.
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Standard_EXPORT static Standard_Boolean IsGeometric(const TopoDS_Face& F);
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//! Returns True if <E> is a 3d curve or a curve on surface.
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Standard_EXPORT static Standard_Boolean IsGeometric(const TopoDS_Edge& E);
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//! Returns the 3D curve of the edge. May be a Null
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//! handle. Returns in <L> the location for the curve.
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//! In <First> and <Last> the parameter range.
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Standard_EXPORT static const Handle(Geom_Curve)& Curve(const TopoDS_Edge& E,
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TopLoc_Location& L,
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Standard_Real& First,
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Standard_Real& Last);
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//! Returns the 3D curve of the edge. May be a Null handle.
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//! In <First> and <Last> the parameter range.
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//! It can be a copy if there is a Location.
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Standard_EXPORT static Handle(Geom_Curve) Curve(const TopoDS_Edge& E,
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Standard_Real& First,
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Standard_Real& Last);
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//! Returns the 3D polygon of the edge. May be a Null
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//! handle. Returns in <L> the location for the polygon.
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Standard_EXPORT static const Handle(Poly_Polygon3D)& Polygon3D(const TopoDS_Edge& E,
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TopLoc_Location& L);
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//! Returns the curve associated to the edge in the
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//! parametric space of the face. Returns a NULL
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//! handle if this curve does not exist. Returns in
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//! <First> and <Last> the parameter range.
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//! If the surface is a plane the curve can be not stored but created a new
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//! each time. The flag pointed by <theIsStored> serves to indicate storage status.
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//! It is valued if the pointer is non-null.
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Standard_EXPORT static Handle(Geom2d_Curve) CurveOnSurface(const TopoDS_Edge& E,
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const TopoDS_Face& F,
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Standard_Real& First,
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Standard_Real& Last,
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Standard_Boolean* theIsStored = NULL);
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//! Returns the curve associated to the edge in the
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//! parametric space of the surface. Returns a NULL
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//! handle if this curve does not exist. Returns in
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//! <First> and <Last> the parameter range.
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//! If the surface is a plane the curve can be not stored but created a new
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//! each time. The flag pointed by <theIsStored> serves to indicate storage status.
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//! It is valued if the pointer is non-null.
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Standard_EXPORT static Handle(Geom2d_Curve) CurveOnSurface(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L,
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Standard_Real& First,
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Standard_Real& Last,
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Standard_Boolean* theIsStored = NULL);
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//! For the planar surface builds the 2d curve for the edge
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//! by projection of the edge on plane.
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//! Returns a NULL handle if the surface is not planar or
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//! the projection failed.
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Standard_EXPORT static Handle(Geom2d_Curve) CurveOnPlane(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L,
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Standard_Real& First,
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Standard_Real& Last);
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//! Returns in <C>, <S>, <L> a 2d curve, a surface and
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//! a location for the edge <E>. <C> and <S> are null
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//! if the edge has no curve on surface. Returns in
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//! <First> and <Last> the parameter range.
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Standard_EXPORT static void CurveOnSurface(const TopoDS_Edge& E,
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Handle(Geom2d_Curve)& C,
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Handle(Geom_Surface)& S,
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TopLoc_Location& L,
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Standard_Real& First,
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Standard_Real& Last);
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//! Returns in <C>, <S>, <L> the 2d curve, the surface
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//! and the location for the edge <E> of rank <Index>.
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//! <C> and <S> are null if the index is out of range.
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//! Returns in <First> and <Last> the parameter range.
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Standard_EXPORT static void CurveOnSurface(const TopoDS_Edge& E,
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Handle(Geom2d_Curve)& C,
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Handle(Geom_Surface)& S,
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TopLoc_Location& L,
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Standard_Real& First,
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Standard_Real& Last,
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const Standard_Integer Index);
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//! Returns the polygon associated to the edge in the
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//! parametric space of the face. Returns a NULL
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//! handle if this polygon does not exist.
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Standard_EXPORT static Handle(Poly_Polygon2D) PolygonOnSurface(const TopoDS_Edge& E,
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const TopoDS_Face& F);
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//! Returns the polygon associated to the edge in the
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//! parametric space of the surface. Returns a NULL
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//! handle if this polygon does not exist.
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Standard_EXPORT static Handle(Poly_Polygon2D) PolygonOnSurface(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L);
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//! Returns in <C>, <S>, <L> a 2d curve, a surface and
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//! a location for the edge <E>. <C> and <S> are null
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//! if the edge has no polygon on surface.
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Standard_EXPORT static void PolygonOnSurface(const TopoDS_Edge& E,
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Handle(Poly_Polygon2D)& C,
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Handle(Geom_Surface)& S,
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TopLoc_Location& L);
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//! Returns in <C>, <S>, <L> the 2d curve, the surface
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//! and the location for the edge <E> of rank <Index>.
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//! <C> and <S> are null if the index is out of range.
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Standard_EXPORT static void PolygonOnSurface(const TopoDS_Edge& E,
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Handle(Poly_Polygon2D)& C,
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Handle(Geom_Surface)& S,
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TopLoc_Location& L,
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const Standard_Integer Index);
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//! Returns the polygon associated to the edge in the
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//! parametric space of the face. Returns a NULL
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//! handle if this polygon does not exist.
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Standard_EXPORT static const Handle(Poly_PolygonOnTriangulation)& PolygonOnTriangulation(
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const TopoDS_Edge& E,
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const Handle(Poly_Triangulation)& T,
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const TopLoc_Location& L);
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//! Returns in <P>, <T>, <L> a polygon on triangulation, a
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//! triangulation and a location for the edge <E>.
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//! <P> and <T> are null if the edge has no
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//! polygon on triangulation.
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Standard_EXPORT static void PolygonOnTriangulation(const TopoDS_Edge& E,
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Handle(Poly_PolygonOnTriangulation)& P,
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Handle(Poly_Triangulation)& T,
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TopLoc_Location& L);
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//! Returns in <P>, <T>, <L> a polygon on
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//! triangulation, a triangulation and a location for
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//! the edge <E> for the range index. <C> and <S> are
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//! null if the edge has no polygon on triangulation.
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Standard_EXPORT static void PolygonOnTriangulation(const TopoDS_Edge& E,
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Handle(Poly_PolygonOnTriangulation)& P,
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Handle(Poly_Triangulation)& T,
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TopLoc_Location& L,
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const Standard_Integer Index);
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//! Returns True if <E> has two PCurves in the
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//! parametric space of <F>. i.e. <F> is on a closed
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//! surface and <E> is on the closing curve.
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Standard_EXPORT static Standard_Boolean IsClosed(const TopoDS_Edge& E, const TopoDS_Face& F);
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//! Returns True if <E> has two PCurves in the
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//! parametric space of <S>. i.e. <S> is a closed
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//! surface and <E> is on the closing curve.
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Standard_EXPORT static Standard_Boolean IsClosed(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L);
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//! Returns True if <E> has two arrays of indices in
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//! the triangulation <T>.
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Standard_EXPORT static Standard_Boolean IsClosed(const TopoDS_Edge& E,
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const Handle(Poly_Triangulation)& T,
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const TopLoc_Location& L);
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//! Returns the tolerance for <E>.
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Standard_EXPORT static Standard_Real Tolerance(const TopoDS_Edge& E);
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//! Returns the SameParameter flag for the edge.
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Standard_EXPORT static Standard_Boolean SameParameter(const TopoDS_Edge& E);
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//! Returns the SameRange flag for the edge.
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Standard_EXPORT static Standard_Boolean SameRange(const TopoDS_Edge& E);
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//! Returns True if the edge is degenerated.
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Standard_EXPORT static Standard_Boolean Degenerated(const TopoDS_Edge& E);
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//! Gets the range of the 3d curve.
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Standard_EXPORT static void Range(const TopoDS_Edge& E,
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Standard_Real& First,
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Standard_Real& Last);
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//! Gets the range of the edge on the pcurve on the surface.
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Standard_EXPORT static void Range(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L,
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Standard_Real& First,
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Standard_Real& Last);
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//! Gets the range of the edge on the pcurve on the face.
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Standard_EXPORT static void Range(const TopoDS_Edge& E,
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const TopoDS_Face& F,
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Standard_Real& First,
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Standard_Real& Last);
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//! Gets the UV locations of the extremities of the edge.
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Standard_EXPORT static void UVPoints(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L,
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gp_Pnt2d& PFirst,
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gp_Pnt2d& PLast);
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//! Gets the UV locations of the extremities of the edge.
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Standard_EXPORT static void UVPoints(const TopoDS_Edge& E,
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const TopoDS_Face& F,
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gp_Pnt2d& PFirst,
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gp_Pnt2d& PLast);
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//! Sets the UV locations of the extremities of the edge.
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Standard_EXPORT static void SetUVPoints(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L,
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const gp_Pnt2d& PFirst,
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const gp_Pnt2d& PLast);
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//! Sets the UV locations of the extremities of the edge.
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Standard_EXPORT static void SetUVPoints(const TopoDS_Edge& E,
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const TopoDS_Face& F,
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const gp_Pnt2d& PFirst,
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const gp_Pnt2d& PLast);
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//! Returns True if the edge is on the surfaces of the
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//! two faces.
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Standard_EXPORT static Standard_Boolean HasContinuity(const TopoDS_Edge& E,
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const TopoDS_Face& F1,
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const TopoDS_Face& F2);
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//! Returns the continuity.
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Standard_EXPORT static GeomAbs_Shape Continuity(const TopoDS_Edge& E,
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const TopoDS_Face& F1,
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const TopoDS_Face& F2);
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//! Returns True if the edge is on the surfaces.
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Standard_EXPORT static Standard_Boolean HasContinuity(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S1,
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const Handle(Geom_Surface)& S2,
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const TopLoc_Location& L1,
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const TopLoc_Location& L2);
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//! Returns the continuity.
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Standard_EXPORT static GeomAbs_Shape Continuity(const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S1,
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const Handle(Geom_Surface)& S2,
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const TopLoc_Location& L1,
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const TopLoc_Location& L2);
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//! Returns True if the edge has regularity on some two surfaces.
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Standard_EXPORT static Standard_Boolean HasContinuity(const TopoDS_Edge& E);
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//! Returns the max continuity of edge between some surfaces or GeomAbs_C0
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//! if there are no such surfaces.
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Standard_EXPORT static GeomAbs_Shape MaxContinuity(const TopoDS_Edge& theEdge);
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//! Returns the 3d point.
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Standard_EXPORT static gp_Pnt Pnt(const TopoDS_Vertex& V);
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//! Returns the tolerance.
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Standard_EXPORT static Standard_Real Tolerance(const TopoDS_Vertex& V);
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//! Finds the parameter of <theV> on <theE>.
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//! @param[in] theV input vertex
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//! @param[in] theE input edge
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//! @param[out] theParam calculated parameter on the curve
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//! @return TRUE if done
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Standard_EXPORT static Standard_Boolean Parameter(const TopoDS_Vertex& theV,
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const TopoDS_Edge& theE,
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Standard_Real& theParam);
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//! Returns the parameter of <V> on <E>.
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//! Throws Standard_NoSuchObject if no parameter on edge
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Standard_EXPORT static Standard_Real Parameter(const TopoDS_Vertex& V, const TopoDS_Edge& E);
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//! Returns the parameters of the vertex on the
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//! pcurve of the edge on the face.
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Standard_EXPORT static Standard_Real Parameter(const TopoDS_Vertex& V,
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const TopoDS_Edge& E,
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const TopoDS_Face& F);
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//! Returns the parameters of the vertex on the
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//! pcurve of the edge on the surface.
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Standard_EXPORT static Standard_Real Parameter(const TopoDS_Vertex& V,
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const TopoDS_Edge& E,
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const Handle(Geom_Surface)& S,
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const TopLoc_Location& L);
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//! Returns the parameters of the vertex on the face.
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Standard_EXPORT static gp_Pnt2d Parameters(const TopoDS_Vertex& V, const TopoDS_Face& F);
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//! Returns the maximum tolerance of input shape subshapes.
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//@param theShape - Shape to search tolerance.
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//@param theSubShape - Search subshape, only Face, Edge or Vertex are supported.
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Standard_EXPORT static Standard_Real MaxTolerance(const TopoDS_Shape& theShape,
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const TopAbs_ShapeEnum theSubShape);
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};
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#endif // _BRep_Tool_HeaderFile
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