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1 | -- Created on: 1992-04-27 |
2 | -- Created by: Laurent BUCHARD |
3 | -- Copyright (c) 1992-1999 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 Intersection from IntRes2d |
18 | |
19 | |
20 | ---Purpose: Defines the root class of all the Intersections |
21 | -- between two 2D-Curves, and provides all the methods |
22 | -- about the results of the Intersections Algorithms. |
23 | |
24 | |
25 | uses IntersectionPoint from IntRes2d, |
26 | IntersectionSegment from IntRes2d, |
27 | SequenceOfIntersectionPoint from IntRes2d, |
28 | SequenceOfIntersectionSegment from IntRes2d |
29 | |
30 | raises NotDone from StdFail, |
31 | OutOfRange from Standard |
32 | |
33 | is |
34 | |
35 | Initialize |
36 | |
37 | ---Purpose: Empty constructor. |
38 | is protected; |
39 | ---C++:inline |
40 | |
41 | |
42 | Initialize(Other: Intersection from IntRes2d) |
43 | ---C++:inline |
44 | is protected; |
45 | |
46 | IsDone(me) |
47 | |
48 | ---Purpose: returns TRUE when the computation was successful. |
49 | ---C++: inline |
50 | returns Boolean from Standard |
51 | is static; |
52 | |
53 | |
54 | IsEmpty(me) |
55 | |
56 | ---Purpose: Returns TRUE if there is no intersection between the |
57 | -- given arguments. |
58 | -- The exception NotDone is raised if IsDone returns FALSE. |
59 | ---C++: inline |
60 | returns Boolean from Standard |
61 | raises NotDone from StdFail |
62 | is static; |
63 | |
64 | |
65 | NbPoints(me) |
66 | |
67 | ---Purpose: This function returns the number of intersection |
68 | -- points between the 2 curves. |
69 | -- The exception NotDone is raised if IsDone returns FALSE. |
70 | ---C++: inline |
71 | |
72 | returns Integer from Standard |
73 | raises NotDone from StdFail |
74 | is static; |
75 | |
76 | |
77 | Point(me; N : Integer from Standard) |
78 | |
79 | ---Purpose: This function returns the intersection point |
80 | -- of range N; |
81 | -- The exception NotDone is raised if IsDone returns FALSE. |
82 | -- The exception OutOfRange is raised if (N <= 0) |
83 | -- or (N > NbPoints). |
84 | ---C++: inline |
85 | |
86 | returns IntersectionPoint from IntRes2d |
87 | ---C++: return const & |
88 | raises NotDone from StdFail, |
89 | OutOfRange from Standard |
90 | is static; |
91 | |
92 | |
93 | NbSegments(me) |
94 | |
95 | ---Purpose: This function returns the number of intersection |
96 | -- segments between the two curves. |
97 | -- The exception NotDone is raised if IsDone returns FALSE. |
98 | ---C++: inline |
99 | |
100 | returns Integer from Standard |
101 | raises NotDone from StdFail |
102 | is static; |
103 | |
104 | |
105 | Segment(me; N : Integer) |
106 | |
107 | ---Purpose: This function returns the intersection segment |
108 | -- of range N; |
109 | -- The exception NotDone is raised if IsDone returns FALSE. |
110 | -- The exception OutOfRange is raised if (N <= 0) |
111 | -- or (N > NbPoints). |
112 | ---C++: inline |
113 | |
114 | returns IntersectionSegment from IntRes2d |
115 | ---C++: return const & |
116 | raises NotDone from StdFail, |
117 | OutOfRange from Standard |
118 | is static; |
119 | |
120 | |
121 | |
122 | SetValues(me: in out; Inter: Intersection from IntRes2d) |
123 | |
124 | --Purpose: Copies the Inters values into the current object. |
125 | |
126 | is static protected; |
127 | |
128 | |
129 | Append(me: in out; Inter : Intersection from IntRes2d; |
130 | FirstParam1: Real from Standard; |
131 | LastParam1 : Real from Standard; |
132 | FirstParam2: Real from Standard; |
133 | LastParam2 : Real from Standard) |
134 | |
135 | --Purpose: Appends the Inters values to the current object |
136 | -- FirstParam and LastParam are the parameters of |
137 | -- the bounds of the parameter interval of the |
138 | -- curves. |
139 | |
140 | is static protected; |
141 | |
142 | |
143 | Append(me: in out; Seg: IntersectionSegment from IntRes2d) |
144 | |
145 | --Purpose: Appends a new Intersection Segment. |
146 | ---C++: inline |
147 | is static protected; |
148 | |
149 | |
150 | Append(me: in out; Pnt: IntersectionPoint from IntRes2d) |
151 | |
152 | --Purpose: Appends a new Intersection Point. |
153 | ---C++: inline |
154 | is static protected; |
155 | |
156 | |
157 | Insert(me: in out; Pnt: IntersectionPoint from IntRes2d) |
158 | |
159 | --Purpose: Inserts a new Intersection Point. |
160 | |
161 | is static protected; |
162 | |
163 | |
164 | ResetFields(me: in out) |
165 | |
166 | --Purpose: Resets all fields. |
167 | ---C++: inline |
168 | is static protected; |
169 | |
170 | |
171 | SetReversedParameters(me: in out; Reverseflag: Boolean from Standard) |
172 | |
173 | --Purpose: Initialize the reverse flag. This flag is used to |
174 | -- determine if the first and second parameters have |
175 | -- to be swaped when the intersection points and |
176 | -- segments are created. |
177 | ---C++: inline |
178 | is static; |
179 | |
180 | |
181 | ReversedParameters(me) |
182 | |
183 | --Purpose: Returns the value of the reverse flag. |
184 | ---C++: inline |
185 | returns Boolean from Standard |
186 | is static protected; |
187 | |
188 | fields |
189 | |
190 | done : Boolean from Standard is protected; |
191 | reverse : Boolean from Standard; |
192 | lpnt : SequenceOfIntersectionPoint from IntRes2d; |
193 | lseg : SequenceOfIntersectionSegment from IntRes2d; |
194 | |
195 | end Intersection; |
196 | |