-- File:	BRepProj_Projection.cdl
-- Created:	Fri Nov 13 10:30:37 1998
-- Author:	Jean-Michel BOULCOURT
--		<jmb@coulox.paris1.matra-dtv.fr>
---Copyright:	 Matra Datavision 1998



class Projection from BRepProj

    	---Purpose: The  Projection   class provides  conical  and 
        --          cylindrical projections of  Edge  or  Wire  on   
        --          a Shape from TopoDS. The result will be a Edge    
        --          or  Wire  from  TopoDS. 

uses
    Dir	                             from gp, 
    Pnt	                             from gp, 
    Shape                            from TopoDS,  
    Edge                             from TopoDS, 
    Wire                             from TopoDS, 
    Face                             from TopoDS,     
    Compound                         from TopoDS,  
    HSequenceOfShape                 from TopTools
	      
raises  
    NoSuchObject      from Standard, 
    ConstructionError from Standard,
    NullObject        from Standard

is 
 	 
    Create(Wire, Shape : Shape from TopoDS; 
           D : Dir from gp)  
    returns Projection from BRepProj 
    raises NullObject        from Standard, 
           ConstructionError from Standard;
    ---Purpose: Makes a Cylindrical projection of Wire om Shape
	 
    Create(Wire, Shape : Shape from TopoDS; 
           P : Pnt from gp)  
    returns Projection from BRepProj     
    raises NullObject        from Standard, 
           ConstructionError from Standard;
    ---Purpose: Makes a Conical projection of Wire om Shape
     

    IsDone(me)  returns Boolean from Standard 
        ---Purpose: returns False if the section failed
	---C++:     inline
    is static;
    
    Init(me : in out)
    	---Purpose: Resets the iterator by resulting wires.
	---C++:     inline
    is static; 
    
    More(me)  returns Boolean from Standard
	---Purpose: Returns True if there is a current result wire
	---C++:     inline
    is static;
    
    Next(me : in out)
    	---Purpose: Move to the next result wire.
	---C++:     inline
    is static;
    
    Current(me)
    returns Wire from TopoDS
    	---Purpose: Returns the current result wire.  
	---C++:     inline
    is static;
	 
    Shape(me)
    returns Compound from TopoDS
    	---Purpose: Returns the complete result as compound of wires.
	---C++:     inline
    is static;
	 
    BuildSection(me: in out; Shape, Tool: Shape from TopoDS)
    is private;
        ---Purpose: Performs section of theShape by theTool
        ---         and stores result in the fields.

fields  

    myIsDone  : Boolean          from Standard; 
    myLsh     : Shape            from TopoDS;
    myShape   : Compound         from TopoDS; 
    mySection : HSequenceOfShape from TopTools; 
    myItr     : Integer          from Standard; 
	  
end Projection;