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-- File: AIS_SymmetricRelation.cdl
-- Created: Mon Mar 3 15:51:50 1997
-- Author: Jean-Pierre COMBE
-- <jpr@chariox.paris1.matra-dtv.fr>
---Copyright: Matra Datavision 1997
class SymmetricRelation from AIS inherits Relation from AIS
---Purpose: A framework to display constraints of symmetricity
-- between two or more datum Interactive Objects.
-- A plane serves as the axis of symmetry between the
-- shapes of which the datums are parts.
uses Shape from TopoDS,
Presentation from Prs3d,
PresentationManager3d from PrsMgr,
Selection from SelectMgr,
Dir from gp,
Pnt from gp,
Projector from Prs3d,
Transformation from Geom,
PresentationManager2d from PrsMgr,
GraphicObject from Graphic2d,
ExtendedString from TCollection,
Plane from Geom
is
Create(aSymmTool : Shape from TopoDS;
FirstShape : Shape from TopoDS;
SecondShape : Shape from TopoDS;
aPlane : Plane from Geom)
returns mutable SymmetricRelation from AIS;
--- Purpose: Constructs an object to display constraints of symmetricity.
-- This object is defined by a tool aSymmTool, a first
-- shape FirstShape, a second shape SecondShape, and a plane aPlane.
-- aPlane serves as the axis of symmetry.
-- aSymmTool is the shape composed of FirstShape
-- SecondShape and aPlane. It may be queried and
-- edited using the functions GetTool and SetTool.
-- The two shapes are typically two edges, two vertices or two points.
IsMovable(me) returns Boolean from Standard
---Purpose: Returns true if the symmetric constraint display is movable.
---C++: inline
is redefined;
SetTool(me:mutable; aSymmetricTool : Shape from TopoDS);
---Purpose: Sets the tool aSymmetricTool composed of a first
-- shape, a second shape, and a plane.
-- This tool is initially created at construction time.
---C++: inline
GetTool(me)
---Purpose: Returns the tool composed of a first shape, a second
-- shape, and a plane. This tool is created at construction time.
---C++: inline
---C++: return const &
returns Shape from TopoDS;
-- Methods from PresentableObject
Compute(me : mutable;
aPresentationManager: PresentationManager3d from PrsMgr;
aPresentation : mutable Presentation from Prs3d;
aMode : Integer from Standard= 0)
is redefined static private;
Compute(me:mutable;
aProjector: Projector from Prs3d;
aPresentation: mutable Presentation from Prs3d)
is redefined static private;
Compute(me:mutable;
aPresentationManager: PresentationManager2d from PrsMgr;
aPresentation: mutable GraphicObject from Graphic2d;
aMode: Integer from Standard = 0)
is redefined static private;
Compute(me : mutable;
aProjector : Projector from Prs3d;
aTrsf : Transformation from Geom;
aPresentation : mutable Presentation from Prs3d)
is redefined;
---Purpose: computes the presentation according to a point of view
-- given by <aProjector>.
-- To be Used when the associated degenerated Presentations
-- have been transformed by <aTrsf> which is not a Pure
-- Translation. The HLR Prs can't be deducted automatically
-- WARNING :<aTrsf> must be applied
-- to the object to display before computation !!!
-- SymmetricRelation Methods from SelectableObject
ComputeSelection(me : mutable;
aSelection : mutable Selection from SelectMgr;
aMode : Integer from Standard)is private;
--
-- Computation private methods
--
ComputeTwoFacesSymmetric(me: mutable; aprs : mutable Presentation from Prs3d)
is private;
ComputeTwoEdgesSymmetric(me: mutable; aprs : mutable Presentation from Prs3d)
is private;
ComputeTwoVerticesSymmetric(me: mutable; aprs : mutable Presentation from Prs3d)
is private;
fields
myTool : Shape from TopoDS;
myFAttach : Pnt from gp;
mySAttach : Pnt from gp;
myFDirAttach : Dir from gp;
myAxisDirAttach : Dir from gp;
end SymmetricRelation;
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