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b311480e 1-- Created on: 1992-08-11
2-- Created by: Remi LEQUETTE
3-- Copyright (c) 1992-1999 Matra Datavision
b311480e 5--
973c2be1 6-- This file is part of Open CASCADE Technology software library.
b311480e 7--
d5f74e42 8-- This library is free software; you can redistribute it and/or modify it under
9-- the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 10-- by the Free Software Foundation, with special exception defined in the file
11-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12-- distribution for complete text of the license and disclaimer of any warranty.
b311480e 13--
973c2be1 14-- Alternatively, this file may be used under the terms of Open CASCADE
15-- commercial license or contractual agreement.
7fd59977 16
17class EdgeFaceTransition from TopCnx
18
19 ---Purpose: TheEdgeFaceTransition is an algorithm to compute
20 -- the cumulated transition for interferences on an
21 -- edge.
22
23uses
24
25 Boolean from Standard,
26 Real from Standard,
27 Integer from Standard,
28
29 Pnt from gp,
30 Dir from gp,
31
32 State from TopAbs,
33 Orientation from TopAbs,
34
35 CurveTransition from TopTrans
36
37is
38 Create returns EdgeFaceTransition from TopCnx;
39 ---Purpose: Creates an empty algorithm.
40
41 Reset( me : in out;
42 Tgt : Dir from gp; -- Tangent at this point
43 Norm : Dir from gp; -- Normal vector at this point
44 Curv : Real from Standard) -- Curvature at this point
45 ---Purpose: Initialize the algorithm with the local
46 -- description of the edge.
47 is static;
48
49 Reset( me : in out;
50 Tgt : in Dir from gp) -- Tangent at this point
51 ---Purpose: Initialize the algorithm with a linear Edge.
52 is static;
53
55 Tole : Real from Standard; -- Cosine tolerance
56 Tang : Dir from gp; -- Tangent on curve for this point
57 Norm : Dir from gp; -- Normal vector at this point
58 Curv : Real from Standard; -- Curvature at this point
59 Or : Orientation from TopAbs; -- Orientation on the curve
60 Tr : Orientation from TopAbs; -- Transition
61 BTr : Orientation from TopAbs) -- Boundary transition
62 ---Purpose: Add a curve element to the boundary. Or is the
63 -- orientation of the interference on the boundary
64 -- curve. Tr is the transition of the interference.
65 -- BTr is the boundary transition of the
66 -- interference.
67 is static;
68
69 Transition(me) returns Orientation from TopAbs
70 ---Purpose: Returns the current cumulated transition.
71 is static;
72
73 BoundaryTransition(me) returns Orientation from TopAbs
74 ---Purpose: Returns the current cumulated BoundaryTransition.
75 is static;
76
77fields
78 myCurveTransition : CurveTransition from TopTrans;
79 nbBoundForward : Integer from Standard;
80 nbBoundReversed : Integer from Standard;
81
82end EdgeFaceTransition;