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-- File: Datum3D.cdl
-- Created: Wed Jan 23 12:53:35 1991
-- Author: Christophe MARION
-- <cma@topsn3>
---Copyright: Matra Datavision 1991
class Datum3D from TopLoc inherits TShared from MMgt
---Purpose: Describes a coordinate transformation, i.e. a change
-- to an elementary 3D coordinate system, or position in 3D space.
-- A Datum3D is always described relative to the default datum.
-- The default datum is described relative to itself: its
-- origin is (0,0,0), and its axes are (1,0,0) (0,1,0) (0,0,1).
uses
Trsf from gp
raises
ConstructionError from Standard
is
Create returns mutable Datum3D;
---Purpose: Constructs a default Datum3D.
Create(T : Trsf from gp) returns mutable Datum3D from TopLoc
---Purpose: Constructs a Datum3D form a Trsf from gp. An error is
-- raised if the Trsf is not a rigid transformation.
raises
ConstructionError from Standard;
Transformation(me) returns Trsf from gp
---Purpose: Returns a gp_Trsf which, when applied to this datum,
-- produces the default datum.
---C++: inline
---C++: return const &
is static;
ShallowDump(me; S : in out OStream);
--- Purpose:
-- Writes the contents of this Datum3D to the stream S.
---C++: function call
fields
myTrsf : Trsf from gp;
end Datum3D;
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