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-- File: AIS_OffsetDimension.cdl
-- Created: Tue Mar 4 09:33:10 1997
-- Author: Jean-Pierre COMBE
-- <jpr@chariox.paris1.matra-dtv.fr>
---Copyright: Matra Datavision 1997
class OffsetDimension from AIS inherits Relation from AIS
---Purpose: A framework to display dimensions of offsets.
-- The relation between the offset and the basis shape
-- is indicated. This relation is displayed with arrows and
-- text. The text gives the dsitance between the offset
-- and the basis shape.
uses
Shape from TopoDS,
Presentation from Prs3d,
Projector from Prs3d,
Transformation from Geom,
PresentationManager3d from PrsMgr,
PresentationManager2d from PrsMgr,
Selection from SelectMgr,
GraphicObject from Graphic2d,
Dir from gp,
Pnt from gp,
Trsf from gp,
KindOfDimension from AIS,
ExtendedString from TCollection
is
Create (FistShape, SecondShape : Shape from TopoDS;
aVal : Real from Standard;
aText : ExtendedString from TCollection)
returns mutable OffsetDimension from AIS;
---Purpose: Constructs the offset display object defined by the
-- first shape aFShape, the second shape aSShape, the
-- dimension aVal, and the text aText.
Compute(me : mutable;
aPresentationManager: PresentationManager3d from PrsMgr;
aPresentation : mutable Presentation from Prs3d;
aMode : Integer from Standard= 0)
is redefined 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 redefined private;
KindOfDimension(me)
---Purpose:
-- Indicates that the dimension we are concerned with is an offset.
---C++: inline
returns KindOfDimension from AIS
is redefined;
IsMovable(me)
---C++: inline
---Purpose: Returns true if the offset datum is movable.
returns Boolean from Standard
is redefined;
SetRelativePos (me:mutable; aTrsf: Trsf from gp);
---C++: inline
---Purpose: Sets a transformation aTrsf for presentation and
-- selection to a relative position.
ComputeTwoFacesOffset(me: mutable;
aPresentation : mutable Presentation from Prs3d;
aTrsf : Trsf from gp)
is private;
ComputeTwoAxesOffset(me: mutable;
aPresentation : mutable Presentation from Prs3d;
aTrsf : Trsf from gp)
is private;
ComputeAxeFaceOffset(me: mutable;
aPresentation : mutable Presentation from Prs3d;
aTrsf : Trsf from gp)
is private;
fields
myFAttach : Pnt from gp;
mySAttach : Pnt from gp;
myDirAttach : Dir from gp;
myDirAttach2 : Dir from gp;
myRelativePos : Trsf from gp;
end OffsetDimension;
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