-- File:	TopOpeBRepDS_PointIterator.cdl
-- Created:	Thu Jun 17 11:40:22 1993
-- Author:	Jean Yves LEBEY
--		<jyl@zerox>
---Copyright:	 Matra Datavision 1993


class PointIterator from TopOpeBRepDS 
    inherits InterferenceIterator from TopOpeBRepDS

	---Purpose: 

uses

    State from TopAbs,
    Orientation  from TopAbs,
    Interference from TopOpeBRepDS,
    ListOfInterference from TopOpeBRepDS

is

    Create(L : ListOfInterference from TopOpeBRepDS) returns PointIterator;
    ---Purpose: Creates an  iterator on the  points on curves
    --          described by the interferences in <L>.
    
    MatchInterference(me; I : Interference from TopOpeBRepDS) 
    returns Boolean from Standard
    ---Purpose: Returns  True if the Interference <I>  has a 
    --          GeometryType() TopOpeBRepDS_POINT or TopOpeBRepDS_VERTEX
    --          returns False else.
    is redefined;

    Current(me) returns Integer from Standard
    ---Purpose: Index of the point in the data structure.
    is static;
    
    Orientation(me; S : State from TopAbs) 
    returns Orientation from TopAbs
    is static;
    
    Parameter(me) returns Real from Standard
    	-- Edge/Point Interference
    	-- Curve/Point Interference
    	-- Edge/Vertex Interference
    is static;
    
    IsVertex(me) returns Boolean from Standard
    is static;

    IsPoint(me) returns Boolean from Standard
    is static;
    
    DiffOriented(me) returns Boolean from Standard
    is static;

    SameOriented(me) returns Boolean from Standard
    is static;

    Support(me) returns Integer from Standard
    is static;

end PointIterator from TopOpeBRepDS;