-- File:	IntSurf.cdl
-- Created:	Mon Aug 24 18:47:01 1992
-- Author:	Jacques GOUSSARD
--		<jag@sdsun2>
---Copyright:	 Matra Datavision 1992


package IntSurf 

	---Purpose: This package provides resources for
	--          all the packages concerning the intersection
	--          between surfaces. 

        ---Level: Internal
        --
        -- All the methods of all the classes of this package are Internal.
        -- 


uses Standard, MMgt, StdFail, GeomAbs, TCollection, gp, TColgp

is

    class PntOn2S;
    
    class SequenceOfPntOn2S instantiates Sequence from TCollection
    	(PntOn2S from IntSurf);
	
    class Couple;

    class SequenceOfCouple instantiates Sequence from TCollection
                (Couple from IntSurf);
    
    
    class LineOn2S;
    
    class Quadric;
    
    class QuadricTool;
    
    class PathPoint;
    
    class SequenceOfPathPoint instantiates Sequence from TCollection
    	(PathPoint from IntSurf);

    class PathPointTool;
    
    class InteriorPoint;
    
    class SequenceOfInteriorPoint instantiates Sequence from TCollection
    	(InteriorPoint from IntSurf);
    
    class InteriorPointTool;

    class Transition;    

    --amv    
    class ListOfPntOn2S instantiates List from TCollection
    	(PntOn2S from IntSurf);
    
    enumeration TypeTrans is In, Out, Touch, Undecided;
    
    enumeration Situation is Inside, Outside, Unknown;


    MakeTransition(TgFirst,TgSecond: Vec from gp; Normal: Dir from gp;
                   TFirst,TSecond: out Transition from IntSurf);

	---Purpose: Computes the transition of the intersection point
	--          between the two lines.
	--          TgFirst is the tangent vector of the first line.
	--          TgSecond is the tangent vector of the second line.
	--          Normal is the direction used to orientate the cross
	--          product TgFirst^TgSecond.
	--          TFirst is the transition of the point on the first line.
	--          TSecond is the transition of the point on the second line.


end IntSurf;