-- Created on: 1996-01-16
-- Created by: Jean-Pierre COMBE
-- Copyright (c) 1996-1999 Matra Datavision
-- Copyright (c) 1999-2014 OPEN CASCADE SAS
--
-- This file is part of Open CASCADE Technology software library.
--
-- This library is free software; you can redistribute it and / or modify it
-- under the terms of the GNU Lesser General Public version 2.1 as published
-- by the Free Software Foundation, with special exception defined in the file
-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-- distribution for complete text of the license and disclaimer of any warranty.
--
-- Alternatively, this file may be used under the terms of Open CASCADE
-- commercial license or contractual agreement.

class TangentPresentation from DsgPrs
    	---Purpose: A framework to define display of tangents.
uses
    Presentation from Prs3d,
    Pnt from gp,
    Dir from gp,
    Drawer from Prs3d
    	
is  
    Add (myclass; aPresentation: Presentation from Prs3d;
    	    	  aDrawer: Drawer from Prs3d;
		  OffsetPoint: Pnt from gp;
		  aDirection: Dir from gp;
    	    	  aLength : Real from Standard);

	---Purpose: Adds the point OffsetPoint, the direction aDirection
    	-- and the length aLength to the presentation object aPresentation.
    	-- The display attributes of the tangent are defined by
    	-- the attribute manager aDrawer.

end TangentPresentation;