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-- File: ToolPolyhedron.cdl
-- Created: Wed Sep 18 08:44:42 1991
-- Author: Didier PIFFAULT
-- <dpf@sdsun1>
---Copyright: Matra Datavision 1991, 1992
generic class ToolPolyhedron from Intf (Polyhedron as any)
---Purpose: Describes the signature of a polyedral surface with only
-- triangular facets and the information necessary to compute
-- the interferences.
uses XYZ from gp,
Pnt from gp,
Box from Bnd,
HArray1OfBox from Bnd
raises OutOfRange from Standard
is Bounding (myclass; thePolyh : Polyhedron)
returns Box from Bnd;
---Purpose: Returns the bounding box of the ToolPolyhedron.
ComponentsBounding
(myclass; thePolyh : Polyhedron)
returns HArray1OfBox from Bnd;
---Purpose: Returns the array of boxes. The box <n> corresponding
-- to the triangle <n>.
DeflectionOverEstimation
(myclass; thePolyh : Polyhedron)
returns Real from Standard;
---Purpose: Returns the tolerance of the polygon.
-- Structure needings :
NbTriangles (myclass; thePolyh : Polyhedron)
returns Integer from Standard;
---Purpose: Returns the number of triangles in this polyedron.
Triangle (myclass; thePolyh : Polyhedron;
Index : in Integer from Standard;
P1,P2,P3 : out Integer from Standard)
raises OutOfRange from Standard;
---Purpose: Returns the indices of the 3 points of the triangle of
-- address Index in the ToolPolyhedron.
Point (myclass; thePolyh : Polyhedron;
Index : in Integer)
returns Pnt from gp
raises OutOfRange from Standard;
---Purpose: Returns the point of index i in the polyedron.
TriConnex (myclass; thePolyh : Polyhedron;
Triang : in Integer;
Pivot,Pedge : in Integer;
TriCon : out Integer;
OtherPedge : out Integer)
returns Integer
raises OutOfRange from Standard;
---Purpose: Returns the triangle <Tricon> connected to the triangle
-- <Triang> by the edge <Pivot><Pedge>. The third point of
-- the connected triangle is returned in <OtherPedge> (Used to
-- turn around a vertex). When the edge <Pivot><Pedge> is
-- free (no connected triangle) <Tricon> is null. In this
-- case the function returns the triangle on the free bound of
-- the polyhedron connected to <Triang> by vertex <Pivot>.
end ToolPolyhedron;
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