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-- File: AIS_ParallelRelation.cdl
-- Created: Thu Dec 5 10:34:57 1996
-- Author: Jean-Pierre COMBE/Odile Olivier
-- <odl@sacadox.paris1.matra-dtv.fr>
---Copyright: Matra Datavision 1996
class ParallelRelation from AIS inherits Relation from AIS
---Purpose: A framework to display constraints of parallelism
-- between two or more Interactive Objects. These
-- entities can be faces or edges.
uses Shape from TopoDS,
Presentation from Prs3d,
PresentationManager3d from PrsMgr,
Selection from SelectMgr,
Plane from Geom,
Dir from gp,
Pnt from gp,
Projector from Prs3d,
Transformation from Geom,
PresentationManager2d from PrsMgr,
GraphicObject from Graphic2d,
ArrowSide from DsgPrs
is
Create (aFShape : Shape from TopoDS;
aSShape : Shape from TopoDS;
aPlane : Plane from Geom)
---Purpose: Constructs an object to display parallel constraints.
-- This object is defined by the first shape aFShape and
-- the second shape aSShape and the plane aPlane.
returns mutable ParallelRelation from AIS;
Create (aFShape : Shape from TopoDS;
aSShape : Shape from TopoDS;
aPlane : Plane from Geom;
aPosition : Pnt from gp;
aSymbolPrs : ArrowSide from DsgPrs;
anArrowSize : Real from Standard = 0.01)
---Purpose: Constructs an object to display parallel constraints.
-- This object is defined by the first shape aFShape and
-- the second shape aSShape the plane aPlane, the
-- position aPosition, the type of arrow, aSymbolPrs and
-- its size anArrowSize.
returns mutable ParallelRelation from AIS;
IsMovable(me) returns Boolean from Standard
---Purpose: Returns true if the parallelism is movable.
---C++: inline
is redefined;
-- 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 !!!
-- Methods from SelectableObject
ComputeSelection(me : mutable;
aSelection : mutable Selection from SelectMgr;
aMode : Integer from Standard)is private;
--
-- Computation private methods
--
ComputeTwoFacesParallel(me: mutable;
aPresentation : mutable Presentation from Prs3d)
is private;
ComputeTwoEdgesParallel(me: mutable;
aPresentation : mutable Presentation from Prs3d)
is private;
fields
myFAttach : Pnt from gp;
mySAttach : Pnt from gp;
myDirAttach : Dir from gp;
end ParallelRelation;
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