1 // Created on: 1996-12-05
2 // Created by: Flore Lantheaume/Odile Olivier
3 // Copyright (c) 1996-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _PrsDim_FixRelation_HeaderFile
18 #define _PrsDim_FixRelation_HeaderFile
20 #include <TopoDS_Wire.hxx>
21 #include <PrsDim_Relation.hxx>
25 DEFINE_STANDARD_HANDLE(PrsDim_FixRelation, PrsDim_Relation)
27 //! Constructs and manages a constraint by a fixed
28 //! relation between two or more interactive datums. This
29 //! constraint is represented by a wire from a shape -
30 //! point, vertex, or edge - in the first datum and a
31 //! corresponding shape in the second.
32 //! Warning: This relation is not bound with any kind of parametric
33 //! constraint : it represents the "status" of an parametric
35 class PrsDim_FixRelation : public PrsDim_Relation
37 DEFINE_STANDARD_RTTIEXT(PrsDim_FixRelation, PrsDim_Relation)
40 //! initializes the vertex aShape, the
41 //! plane aPlane and the wire aWire, which connects
42 //! the two vertices in a fixed relation.
43 Standard_EXPORT PrsDim_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const TopoDS_Wire& aWire);
45 //! initializes the vertex aShape, the
46 //! plane aPlane and the wire aWire, the position
47 //! aPosition, the arrow size anArrowSize and the
48 //! wire aWire, which connects the two vertices in a fixed relation.
49 Standard_EXPORT PrsDim_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const TopoDS_Wire& aWire, const gp_Pnt& aPosition, const Standard_Real anArrowSize = 0.01);
51 //! initializes the edge aShape and the plane aPlane.
52 Standard_EXPORT PrsDim_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane);
54 //! initializes the edge aShape, the
55 //! plane aPlane, the position aPosition and the arrow
57 Standard_EXPORT PrsDim_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const gp_Pnt& aPosition, const Standard_Real anArrowSize = 0.01);
59 //! Returns the wire which connects vertices in a fixed relation.
60 const TopoDS_Wire& Wire() { return myWire; }
62 //! Constructs the wire aWire. This connects vertices
63 //! which are in a fixed relation.
64 void SetWire (const TopoDS_Wire& aWire) { myWire = aWire; }
66 //! Returns true if the Interactive Objects in the relation
68 virtual Standard_Boolean IsMovable() const Standard_OVERRIDE { return Standard_True; }
72 Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager)& thePrsMgr,
73 const Handle(Prs3d_Presentation)& thePrs,
74 const Standard_Integer theMode) Standard_OVERRIDE;
76 Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSel,
77 const Standard_Integer theMode) Standard_OVERRIDE;
79 //! computes the presentation for <myFixShape> if it's a vertex.
80 Standard_EXPORT void ComputeVertex (const TopoDS_Vertex& FixVertex, gp_Pnt& curpos);
82 Standard_EXPORT gp_Pnt ComputePosition (const Handle(Geom_Curve)& curv1, const Handle(Geom_Curve)& curv2, const gp_Pnt& firstp1, const gp_Pnt& lastp1, const gp_Pnt& firstp2, const gp_Pnt& lastp2) const;
84 Standard_EXPORT gp_Pnt ComputePosition (const Handle(Geom_Curve)& curv, const gp_Pnt& firstp, const gp_Pnt& lastp) const;
86 //! computes the presentation for <myFixShape> if it's a
88 Standard_EXPORT void ComputeEdge (const TopoDS_Edge& FixEdge, gp_Pnt& curpos);
90 Standard_EXPORT void ComputeLinePosition (const gp_Lin& glin, gp_Pnt& pos, Standard_Real& pfirst, Standard_Real& plast);
92 Standard_EXPORT void ComputeCirclePosition (const gp_Circ& gcirc, gp_Pnt& pos, Standard_Real& pfirst, Standard_Real& plast);
94 Standard_EXPORT static Standard_Boolean ConnectedEdges (const TopoDS_Wire& aWire, const TopoDS_Vertex& aVertex, TopoDS_Edge& Edge1, TopoDS_Edge& Edge2);
103 #endif // _PrsDim_FixRelation_HeaderFile