src/PTopLoc/PTopLoc_Datum3D.cdl


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-- File:	PTopLoc_Datum3D.cdl
-- Created:	Wed Mar  3 16:18:51 1993
-- Author:	Remi LEQUETTE
--		<rle@phobox>
-- Update:      fma
---Copyright:	 Matra Datavision 1993


class Datum3D from PTopLoc inherits Persistent from Standard

	---Purpose: An  elementary local coordinate system. It  may be
	--          shared in the Database.

uses
    Trsf from gp

raises
    ConstructionError from Standard

is
    Create(T : Trsf from gp) returns mutable Datum3D from PTopLoc
	---Purpose: Creates a   local coordinate  system    with   the
	--          transformation.  An   error   is raised  if    the
	--          transformation is not rigid.
	---Level: Internal 
    raises
    	ConstructionError from Standard;
	
    Transformation(me) returns Trsf from gp
    	---Purpose: Returns the transformation defining the coordinate
    	--          system.
	---Level: Internal 
    is static;
    
fields

    myTrsf : Trsf from gp;

end Datum3D;