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1 | -- Created on: 1998-01-14 |
2 | -- Created by: Philippe MANGIN |
3 | -- Copyright (c) 1998-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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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 |
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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. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | deferred class LocationLaw from BRepFill inherits TShared from MMgt |
18 | |
19 | ---Purpose: Location Law on a Wire. |
20 | |
21 | ---Level: Advanced |
22 | |
23 | uses |
24 | LocationLaw from GeomFill, |
25 | HArray1OfLocationLaw from GeomFill, |
26 | PipeError from GeomFill, |
27 | HArray1OfReal from TColStd, |
28 | Array1OfInteger from TColStd, |
29 | HArray1OfInteger from TColStd, |
30 | HArray1OfShape from TopTools, |
31 | Shape from TopoDS, |
32 | Wire from TopoDS, |
33 | Edge from TopoDS, |
34 | Vertex from TopoDS |
35 | |
36 | raises |
37 | OutOfRange from Standard |
38 | |
39 | is |
40 | Init (me : mutable; Path : Wire from TopoDS) |
41 | ---Purpose: Initialize all the fields, this methode have to |
42 | -- be called by the constructors of Inherited class. |
43 | is protected; |
44 | |
45 | GetStatus(me) |
46 | ---Purpose: Return a error status, if the status is not PipeOk then |
47 | -- it exist a parameter tlike the law is not valuable for t. |
48 | returns PipeError from GeomFill; |
49 | |
50 | TransformInG0Law(me : mutable) |
51 | ---Purpose: Apply a linear transformation on each law, to have |
52 | -- continuity of the global law beetween the edges. |
53 | is virtual; |
54 | |
55 | |
56 | TransformInCompatibleLaw(me : mutable; |
57 | AngularTolerance : Real) |
58 | ---Purpose: Apply a linear transformation on each law, to reduce |
59 | -- the dicontinuities of law at one rotation. |
60 | is virtual; |
61 | |
62 | TangentIsMain(me : mutable) |
63 | ---Purpose: To preseve if possible the Tangent in transformations |
64 | -- It is the default mode. |
65 | is protected; |
66 | |
67 | NormalIsMain(me : mutable) |
68 | ---Purpose: To preseve if possible the Normal in transformations |
69 | is protected; |
70 | |
71 | BiNormalIsMain(me : mutable) |
72 | ---Purpose: To preseve if possible the BiNormal in transformations |
73 | is protected; |
74 | |
75 | DeleteTransform(me : mutable) |
76 | is static; |
77 | |
78 | NbHoles(me: mutable; Tol : Real = 1.0e-7) |
79 | returns Integer; |
80 | |
81 | Holes(me; Interval : out Array1OfInteger from TColStd); |
82 | |
83 | NbLaw(me) |
84 | ---Purpose: Return the number of elementary Law |
85 | returns Integer; |
86 | |
87 | Law(me; Index : Integer) |
88 | ---Purpose: Return the elementary Law of rank <Index> |
89 | -- <Index> have to be in [1, NbLaw()] |
90 | ---C++: return const & |
91 | returns LocationLaw from GeomFill |
92 | raises OutOfRange; |
93 | |
94 | Wire(me) |
95 | ---Purpose: return the path |
96 | ---C++: return const & |
97 | returns Wire from TopoDS; |
98 | |
99 | Edge(me; Index : Integer) |
100 | ---Purpose: Return the Edge of rank <Index> in the path |
101 | -- <Index> have to be in [1, NbLaw()] |
102 | ---C++: return const & |
103 | returns Edge from TopoDS |
104 | raises OutOfRange; |
105 | |
106 | Vertex(me; Index : Integer) |
107 | ---Purpose: Return the vertex of rank <Index> in the path |
108 | -- <Index> have to be in [0, NbLaw()] |
109 | returns Vertex from TopoDS |
110 | raises OutOfRange; |
111 | |
112 | PerformVertex(me; Index : Integer; |
113 | InputVertex : Vertex from TopoDS; |
114 | TolMin : Real; |
115 | OutputVertex : out Vertex; |
116 | Location : Integer = 0) |
117 | ---Purpose: Compute <OutputVertex> like a transformation of |
118 | -- <InputVertex> the transformation is given by |
119 | -- evaluation of the location law in the vertex of |
120 | -- rank <Index>. |
121 | -- <Location> is used to manage discontinuities : |
122 | -- - -1 : The law before the vertex is used. |
123 | -- - 1 : The law after the vertex is used. |
124 | -- - 0 : Average of the both laws is used. |
125 | is static; |
126 | |
127 | CurvilinearBounds(me; Index : Integer; |
128 | First, Last :out Real); |
129 | ---Purpose:Return the Curvilinear Bounds of the <Index> Law |
130 | |
131 | IsClosed(me) returns Boolean; |
132 | |
133 | IsG1(me; Index : Integer; |
134 | SpatialTolerance : Real = 1.0e-7; |
135 | AngularTolerance : Real = 1.0e-4) |
136 | ---Purpose: Compute the Law's continuity beetween 2 edges of the path |
137 | -- The result can be : |
138 | -- -1 : Case Not connex |
139 | -- 0 : It is connex (G0) |
140 | -- 1 : It is tangent (G1) |
141 | returns Integer; |
142 | |
143 | D0(me:mutable; Abscissa :Real; |
144 | Section : in out Shape from TopoDS); |
145 | ---Purpose: Apply the Law to a shape, for a given Curnilinear abscissa |
146 | |
147 | |
148 | Parameter(me:mutable; Abscissa :Real; |
149 | Index : out Integer; |
150 | Param : out Real); |
151 | ---Purpose: Find the index Law and the parmaeter, for a given |
152 | -- Curnilinear abscissa |
153 | |
154 | |
155 | Abscissa(me:mutable; Index : Integer; |
156 | Param : Real) |
157 | ---Purpose:Return the curvilinear abscissa corresponding to a point |
158 | -- of the path, defined by <Index> of Edge and a |
159 | -- parameter on the edge. |
160 | returns Real; |
161 | |
162 | fields |
163 | myPath : Wire from TopoDS is protected; |
164 | myTol : Real is protected; |
165 | myLaws : HArray1OfLocationLaw from GeomFill is protected; |
166 | myLength : HArray1OfReal from TColStd is protected; |
167 | myEdges : HArray1OfShape from TopTools is protected; |
168 | myDisc : HArray1OfInteger from TColStd is protected; |
169 | myType : Integer; |
170 | end LocationLaw; |
171 | |
172 | |
173 | |