-- File:	IntPatch_Polyhedron.cdl
-- Created:	Wed Feb  3 11:24:14 1993
-- Author:	Laurent BUCHARD
---Copyright:	 Matra Datavision 1993


class Polyhedron from IntPatch
   
   ---Purpose: This class provides a linear approximation of the PSurface.
  --- preview a constructor on a zone of  a surface

uses
        HSurface from Adaptor3d,
        XYZ from gp,
    	Pnt from gp,
    	Array2OfPnt  from TColgp,
	Array2OfReal from TColStd,
	Box          from Bnd,
	HArray1OfBox from Bnd


raises  OutOfRange from Standard


is
        Create         (Surface   : HSurface from Adaptor3d;
                        nbdU,nbdV : Integer)
			
    	    	    	returns Polyhedron from IntPatch;
			
    	---Purpose: MaTriangle constructor with an double array of pnt for the 
    	--          representation of a double array of triangles.


    	Create          (Surface  : HSurface from Adaptor3d)
	    	    	returns Polyhedron from IntPatch;

	Destroy(me:in out);
	    ---C++: alias ~
	
	Perform        (me:in out; Surface  : HSurface from Adaptor3d;
	                           nbdU,nbdV: Integer)

                        is static;
				   

    	DeflectionOverEstimation
    	    	       (me : in out; flec : Real from Standard)
		    	is static;

    	DeflectionOnTriangle
    	    	       (me; 
		       	Surface : HSurface from Adaptor3d;
                        Index : Integer from Standard)
			
		        returns Real from Standard
		    	is static;

    	UMinSingularity
    	    	       (me : in out; Sing : Boolean from Standard)
		    	is static;

    	UMaxSingularity
    	    	       (me : in out; Sing : Boolean from Standard)
		    	is static;

    	VMinSingularity
    	    	       (me : in out; Sing : Boolean from Standard)
		    	is static;

    	VMaxSingularity
    	    	       (me : in out; Sing : Boolean from Standard)
		    	is static;

    	Size           (me;
    	    	    	nbdu, nbdv : in out Integer)
		    	is static;
	---Purpose: Get the size of the MaTriangle. 


    	NbTriangles    (me)
    	    	    	returns Integer
		    	is static;
    	---Purpose: Give the number of triangles in this double array of 
    	--          triangles (nbdu*nbdv*2).


    	Triangle       (me;
    	    	    	Index    : in Integer;
    	    	    	P1,P2,P3 : out Integer)
    	    	    	raises OutOfRange from Standard
		    	is static;
    	---Purpose: Give the 3 points of the triangle of addresse Index in 
    	--          the double array of triangles. 



    	TriConnex      (me;
    	    	    	Triang      : in Integer;
    	            	Pivot,Pedge : in Integer;
		    	TriCon      : out Integer;
		    	OtherP      : out Integer)
		    	returns Integer from Standard
    	    	    	raises OutOfRange from Standard
		    	is static;
    	---Purpose: Give the addresse Tricon of the triangle connexe to the 
    	--          triangle of address Triang by the edge Pivot Pedge and
    	--          the third point of this connexe triangle. When we are 
    	--          on a free edge TriCon==0 but the function return the 
    	--          value of the triangle in the other side of Pivot on 
    	--          the free edge. Used to turn around a vertex.


    	NbPoints       (me)
    	    	    	returns Integer from Standard
		    	is static;
    	---Purpose: Give the number of point in the double array of 
    	--          triangles ((nbdu+1)*(nbdv+1)).

    	Point          (me       : in out ;
    	    		thePnt   : in Pnt from gp;
    	    	    	lig, col : in Integer;
    	                U,V      : in Real from Standard)
    	    	    	raises OutOfRange from Standard
		    	is static;
	---Purpose: Set the value of a field of the double array of 
    	--          points. 

    
    	Point          (me;
    	    	    	Index : in Integer;
                        U,V   : out Real from Standard)
    	    	    	returns Pnt from gp
    	    	    	raises OutOfRange from Standard
		    	is static;
    	---Purpose: Give the point of index i in the MaTriangle. 
    	---C++: return const &

    	Point          (me;
    	    	    	Index : in Integer)
    	    	    	returns Pnt from gp
    	    	    	raises OutOfRange from Standard
		    	is static;
    	---Purpose: Give the point of index i in the MaTriangle. 
    	---C++: return const &


    	Point          (me;
    	    	    	Index : in Integer;
    	    	    	P : out Pnt from gp)
    	    	    	raises OutOfRange from Standard
		    	is static;
    	---Purpose: Give the point of index i in the MaTriangle. 


    	Bounding       (me)
    	    	    	returns Box from Bnd
		    	is static;
    	---Purpose: Give the bounding box of the MaTriangle. 
        ---C++: return const &

    	FillBounding   (me : in out)
		    	is static;
    	---Purpose: Compute the array of boxes. The box <n> corresponding 
    	--          to the triangle <n>.


    	ComponentsBounding
       	    	       (me)
    	    	    	returns HArray1OfBox from Bnd
		    	is static;
    	---Purpose: Give the array of boxes. The box <n> corresponding 
    	--          to the triangle <n>.
        ---C++: return const &


    	DeflectionOverEstimation
    	    	       (me)
		    	returns Real from Standard
		    	is static;

    	HasUMinSingularity
    	    	       (me) 
    	    	    	returns Boolean from Standard
		    	is static;

    	HasUMaxSingularity
    	    	       (me) 
    	    	    	returns Boolean from Standard
		    	is static;

    	HasVMinSingularity
    	    	       (me) 
    	    	    	returns Boolean from Standard
		    	is static;

    	HasVMaxSingularity
    	    	       (me) 
    	    	    	returns Boolean from Standard
		    	is static;

    PlaneEquation  (me;
		    Triang	  : in Integer from Standard;
		    NormalVector  : out XYZ from gp;
		    PolarDistance : out Real from Standard)
		    raises OutOfRange from Standard
		    is static;
    ---Purpose: Give the plane equation of the triangle of addresse Triang.


    Contain	   (me;
		    Triang	  : in Integer from Standard;
		    ThePnt	  : in Pnt from gp)
		    returns Boolean
		    raises OutOfRange from Standard
		    is static;
    ---Purpose: Give the plane equation of the triangle of addresse Triang.

    Parameters(me; Index :       Integer from Standard;
                   U,V   :  out  Real from Standard) 
    	raises OutOfRange from Standard
	is static;

 -- Test needings :   

     	    Dump       (me)
		    	is static;

fields
            TheBnd          : Box               from Bnd;
    	    TheComponentsBnd: HArray1OfBox      from Bnd;
    	    TheDeflection   : Real              from Standard;
     	    nbdeltaU        : Integer           from Standard;
     	    nbdeltaV        : Integer           from Standard;
     	    C_MyPnts        : Address           from Standard;
	    C_MyU           : Address           from Standard;
    	    C_MyV           : Address           from Standard;
	    UMinSingular    : Boolean from Standard;
	    UMaxSingular    : Boolean from Standard;
	    VMinSingular    : Boolean from Standard;
	    VMaxSingular    : Boolean from Standard;

end Polyhedron;