-- Created on: 1996-12-05 -- Created by: Jean-Pierre COMBE/Odile Olivier -- Copyright (c) 1996-1999 Matra Datavision -- Copyright (c) 1999-2014 OPEN CASCADE SAS -- -- This file is part of Open CASCADE Technology software library. -- -- This library is free software; you can redistribute it and/or modify it under -- the terms of the GNU Lesser General Public License version 2.1 as published -- by the Free Software Foundation, with special exception defined in the file -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT -- distribution for complete text of the license and disclaimer of any warranty. -- -- Alternatively, this file may be used under the terms of Open CASCADE -- commercial license or contractual agreement. class PerpendicularRelation from AIS inherits Relation from AIS ---Purpose: A framework to display constraints of perpendicularity -- between two or more interactive datums. These -- datums can be edges or faces. uses Shape from TopoDS, Presentation from Prs3d, PresentationManager3d from PrsMgr, Selection from SelectMgr, Pnt from gp, Dir from gp, Projector from Prs3d, Transformation from Geom, Plane from Geom is Create (aFShape : Shape from TopoDS; aSShape : Shape from TopoDS; aPlane : Plane from Geom) ---Purpose: Constructs an object to display constraints of -- perpendicularity on shapes. -- This object is defined by a first shape aFShape, a -- second shape aSShape, and a plane aPlane. -- aPlane is the plane of reference to show and test the -- perpendicular relation between two shapes, at least -- one of which has a revolved surface. returns PerpendicularRelation from AIS; Create (aFShape : Shape from TopoDS; aSShape : Shape from TopoDS) ---Purpose: Constructs an object to display constraints of -- perpendicularity on shapes. -- This object is defined by a first shape aFShape and a -- second shape aSShape. returns PerpendicularRelation from AIS; -- -- Methods from PresentableObject Compute(me : mutable; aPresentationManager: PresentationManager3d from PrsMgr; aPresentation : Presentation from Prs3d; aMode : Integer from Standard= 0) is redefined static private; Compute(me:mutable; aProjector: Projector from Prs3d; aPresentation: Presentation from Prs3d) is redefined static private; Compute(me : mutable; aProjector : Projector from Prs3d; aTrsf : Transformation from Geom; aPresentation : Presentation from Prs3d) is redefined; ---Purpose: computes the presentation according to a point of view -- given by . -- To be Used when the associated degenerated Presentations -- have been transformed by which is not a Pure -- Translation. The HLR Prs can't be deducted automatically -- WARNING : must be applied -- to the object to display before computation !!! -- Methods from SelectableObject ComputeSelection(me : mutable; aSelection : Selection from SelectMgr; aMode : Integer from Standard)is private; -- -- Computation private methods -- ComputeTwoFacesPerpendicular(me: mutable; aPresentation : Presentation from Prs3d) is private; ComputeTwoEdgesPerpendicular(me: mutable; aPresentation : Presentation from Prs3d) is private; fields myFAttach : Pnt from gp; mySAttach : Pnt from gp; end PerpendicularRelation;