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-- File: TFace.cdl
-- Created: Wed May 27 15:20:30 1992
-- Author: Remi LEQUETTE
-- <rle@sdsun2>
---Copyright: Matra Datavision 1992
class TFace from BRep inherits TFace from TopoDS
---Purpose: The Tface from BRep is based on the TFace from
-- TopoDS. The TFace contains :
--
-- * A suface, a tolerance and a Location.
--
-- * A NaturalRestriction flag, when this flag is
-- True the boundary of the face is known to be the
-- parametric space (Umin, UMax, VMin, VMax).
--
-- * An optional Triangulation. If there is a
-- triangulation the surface can be absent.
--
-- The Location is used for the Surface.
--
-- The triangulation is in the same reference system
-- than the TFace. A point on mySurface must be
-- transformed with myLocation, but not a point on
-- the triangulation.
--
-- The Surface may be shared by different TFaces but
-- not the Triangulation, because the Triangulation
-- may be modified by the edges.
--
uses
Surface from Geom,
Location from TopLoc,
TShape from TopoDS,
Triangulation from Poly
is
Create returns mutable TFace from BRep;
---Purpose: Creates an empty TFace.
Surface(me) returns any Surface from Geom;
---C++: inline
---C++: return const &
Triangulation(me) returns any Triangulation from Poly;
---C++: inline
---C++: return const &
Location(me) returns Location from TopLoc;
---C++: inline
---C++: return const &
Tolerance(me) returns Real;
---C++: inline
Surface(me : mutable; S : Surface from Geom);
---C++: inline
Triangulation(me : mutable; T : Triangulation from Poly);
---C++: inline
Location(me : mutable; L : Location from TopLoc);
---C++: inline
Tolerance(me : mutable; T : Real);
---C++: inline
NaturalRestriction(me) returns Boolean;
---C++: inline
NaturalRestriction(me : mutable; N : Boolean);
---C++: inline
EmptyCopy(me) returns mutable TShape from TopoDS
---Purpose: Returns a copy of the TShape with no sub-shapes.
-- The new Face has no triangulation.
is redefined;
fields
mySurface : Surface from Geom;
myTriangulation : Triangulation from Poly;
myLocation : Location from TopLoc;
myTolerance : Real;
myNaturalRestriction : Boolean;
end TFace;
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