-- File:	TopOpeBRepTool_CLASSI.cdl
-- Created:	Wed Jan 13 14:43:00 1999
-- Author:      Xuan PHAM PHU
--		<xpu@poulopox.paris1.matra-dtv.fr>
---Copyright:	 Matra Datavision 1999

class CLASSI from TopOpeBRepTool
uses
    Shape from TopoDS,
    Face from TopoDS,
    Box2d from Bnd,
    ListOfShape from TopTools,
    DataMapOfShapeListOfShape from TopTools,
    face from TopOpeBRepTool,
    IndexedDataMapOfShapeBox2d from TopOpeBRepTool,
    DataMapOfShapeface from TopOpeBRepTool
is
    Create returns CLASSI from TopOpeBRepTool;
    
    Init2d(me : in out; Fref : Face from TopoDS);
    -- prequesitory : <Fref> is oriented FORWARD

    HasInit2d(me) returns Boolean;	    

    Add2d(me : in out; S : Shape from TopoDS) 
    returns Boolean; 
    -- Compute of 2d  bounding boxe for  shape <S>, stores the box in
    -- the map		
		
    GetBox2d(me : in out; S : Shape from TopoDS; Box2d : out Box2d from Bnd)
    returns Boolean; 
    -- Compute of <Box2d> 2d bounding boxe for shape <S> if necessary (then
    -- stores it in the map).     

    ClassiBnd2d(me : in out; S1,S2 : Shape from TopoDS; tol: Real; checklarge: Boolean)	
    returns Integer; 		 
    -- Classification of 2drep(S1) with 2drep(S2) using their 2d bounding boxes
    -- if shapes are not stored in <mymapsbox2d>, compute the bounding boxes
    -- then stores them.
    -- Returns state :  0 : unknown
    --                 -1 : same 	
    --                 -2 : disjoints
    --                  1 : <S1> IN <S2> 
    --                  2 : <S2> IN <S1> 
					 
    Classip2d(me : in out; S1,S2 : Shape from TopoDS; stabnd2d12 : Integer) 
    returns Integer; 	
    -- prequesitory : <S1> and <S2> are disjoint or connexed by 
    --                vertices or edges, 
    --                and classify(<S1>,<S2>) is in {0,-2,1,2}
    -- Classification of 2drep(S1) with 2drep(S2), using <stabnd2d12>  
    -- (from ClassiBnd2d) 
    -- update for <mymapsface>      

    Getface(me; S : Shape from TopoDS; fa : out face from TopOpeBRepTool)
    returns Boolean;
    -- Returns false if <S> is not bound in <mymapsface>

    Classilist(me : in out; lS : ListOfShape from TopTools; 
    	       mapgreasma : out DataMapOfShapeListOfShape from TopTools) 
    returns Boolean;
    -- prequesitory : <lS> contains a list of wires built on <myFref>
    -- 
    -- Classification of wires of <lS>, filling up map <mapgreasma>
    -- <mapgreasma> = {(s,los) / shapes of los are IN s}

fields    
    myFref       : Face from TopoDS;
    mymapsbox2d  : IndexedDataMapOfShapeBox2d from TopOpeBRepTool;
    mymapsface   : DataMapOfShapeface from TopOpeBRepTool;
    
end CLASSI;