b311480e |
1 | -- Created on: 1993-03-11 |
2 | -- Created by: Isabelle GRIGNON |
3 | -- Copyright (c) 1993-1999 Matra Datavision |
4 | -- Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | -- |
6 | -- The content of this file is subject to the Open CASCADE Technology Public |
7 | -- License Version 6.5 (the "License"). You may not use the content of this file |
8 | -- except in compliance with the License. Please obtain a copy of the License |
9 | -- at http://www.opencascade.org and read it completely before using this file. |
10 | -- |
11 | -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | -- |
14 | -- The Original Code and all software distributed under the License is |
15 | -- distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | -- Initial Developer hereby disclaims all such warranties, including without |
17 | -- limitation, any warranties of merchantability, fitness for a particular |
18 | -- purpose or non-infringement. Please see the License for the specific terms |
19 | -- and conditions governing the rights and limitations under the License. |
20 | |
7fd59977 |
21 | -- modified 01-1994 by rob (time comsumption) |
7fd59977 |
22 | |
23 | |
24 | class IsoCurve from Adaptor3d inherits Curve from Adaptor3d |
25 | |
26 | ---Purpose: Defines an isoparametric curve on a surface. The |
27 | -- type of isoparametric curve (U or V) is defined |
28 | -- with the enumeration IsoType from GeomAbs if |
29 | -- NoneIso is given an error is raised. |
30 | |
31 | uses |
32 | Array1OfReal from TColStd, |
33 | IsoType from GeomAbs, |
34 | Shape from GeomAbs, |
35 | CurveType from GeomAbs, |
36 | Vec from gp, |
37 | Pnt from gp, |
38 | Circ from gp, |
39 | Elips from gp, |
40 | Hypr from gp, |
41 | Parab from gp, |
42 | Lin from gp, |
43 | BezierCurve from Geom, |
44 | BSplineCurve from Geom, |
45 | HCurve from Adaptor3d, |
46 | HSurface from Adaptor3d |
47 | |
48 | raises |
49 | NoSuchObject from Standard, |
50 | OutOfRange from Standard, |
51 | DomainError from Standard |
52 | |
53 | is |
54 | |
55 | -- |
56 | -- Methods specific of IsoCurve |
57 | -- |
58 | |
59 | Create returns IsoCurve from Adaptor3d; |
60 | ---Purpose: The iso is set to NoneIso. |
61 | |
62 | Create(S : HSurface from Adaptor3d) returns IsoCurve from Adaptor3d; |
63 | ---Purpose: The surface is loaded. The iso is set to NoneIso. |
64 | |
65 | Create(S : HSurface from Adaptor3d; |
66 | Iso : IsoType from GeomAbs; Param : Real) |
67 | returns IsoCurve from Adaptor3d; |
68 | ---Purpose: Creates an IsoCurve curve. Iso defines the |
69 | -- type (isoU or isoU) Param defines the value of |
70 | -- the iso. The bounds of the iso are the bounds |
71 | -- of the surface. |
72 | |
73 | Create(S : HSurface from Adaptor3d; |
74 | Iso : IsoType from GeomAbs; Param : Real; WFirst,WLast : Real) |
75 | returns IsoCurve from Adaptor3d; |
76 | ---Purpose: Create an IsoCurve curve. Iso defines the type |
77 | -- (isoU or isov). Param defines the value of the |
78 | -- iso. WFirst,WLast define the bounds of the iso. |
79 | |
80 | |
81 | Load( me:in out ;S : HSurface from Adaptor3d) |
82 | ---Purpose: Changes the surface. The iso is reset to |
83 | -- NoneIso. |
84 | is static; |
85 | |
86 | Load (me : in out ; Iso : IsoType from GeomAbs; Param : Real) |
87 | ---Purpose: Changes the iso on the current surface. |
88 | is static; |
89 | |
90 | Load (me : in out ; |
91 | Iso : IsoType from GeomAbs; Param : Real; WFirst,WLast : Real) |
92 | ---Purpose: Changes the iso on the current surface. |
93 | is static; |
94 | |
95 | Surface(me) returns HSurface from Adaptor3d |
96 | ---C++: inline |
97 | ---C++: return const & |
98 | is static; |
99 | |
100 | Iso(me) returns IsoType from GeomAbs |
101 | ---C++: inline |
102 | is static; |
103 | |
104 | Parameter(me) returns Real |
105 | ---C++: inline |
106 | is static; |
107 | |
108 | -- |
109 | -- Implementation of Curve from Adaptor3d methods |
110 | -- |
111 | |
112 | -- |
113 | -- Global methods - Apply to the whole curve. |
114 | -- |
115 | |
116 | FirstParameter(me) returns Real |
117 | ---C++: inline |
118 | is redefined static; |
119 | |
120 | LastParameter(me) returns Real |
121 | ---C++: inline |
122 | is redefined static; |
123 | |
124 | Continuity(me) returns Shape from GeomAbs |
125 | is redefined static; |
126 | |
127 | NbIntervals(me:in out; S : Shape from GeomAbs) returns Integer |
128 | ---Purpose: Returns the number of intervals for continuity |
129 | -- <S>. May be one if Continuity(me) >= <S> |
130 | is redefined static; |
131 | |
132 | Intervals(me:in out; T : in out Array1OfReal from TColStd; |
133 | S : Shape from GeomAbs) |
134 | ---Purpose: Stores in <T> the parameters bounding the intervals |
135 | -- of continuity <S>. |
136 | -- |
137 | -- The array must provide enough room to accomodate |
138 | -- for the parameters. i.e. T.Length() > NbIntervals() |
139 | raises |
140 | OutOfRange from Standard |
141 | is redefined static; |
142 | |
143 | Trim(me; First, Last, Tol : Real) returns HCurve from Adaptor3d |
144 | ---Purpose: Returns a curve equivalent of <me> between |
145 | -- parameters <First> and <Last>. <Tol> is used to |
146 | -- test for 3d points confusion. |
147 | raises |
148 | OutOfRange from Standard |
149 | ---Purpose: If <First> >= <Last> |
150 | is redefined static; |
151 | |
152 | |
153 | IsClosed(me) returns Boolean |
154 | is redefined static; |
155 | |
156 | IsPeriodic(me) returns Boolean |
157 | is redefined static; |
158 | |
159 | Period(me) returns Real |
160 | raises |
161 | DomainError from Standard -- if the curve is not periodic |
162 | is redefined static; |
163 | |
164 | Value(me; U : Real) returns Pnt from gp |
165 | --- Purpose : Computes the point of parameter U on the curve. |
166 | is redefined static; |
167 | |
168 | D0 (me; U : Real; P : out Pnt from gp) |
169 | --- Purpose : Computes the point of parameter U on the curve. |
170 | is redefined static; |
171 | |
172 | D1 (me; U : Real; P : out Pnt from gp ; V : out Vec from gp) |
173 | --- Purpose : Computes the point of parameter U on the curve with its |
174 | -- first derivative. |
175 | raises |
176 | DomainError from Standard |
177 | --- Purpose : Raised if the continuity of the current interval |
178 | -- is not C1. |
179 | is redefined static; |
180 | |
181 | D2 (me; U : Real; P : out Pnt from gp; V1, V2 : out Vec from gp) |
182 | --- Purpose : |
183 | -- Returns the point P of parameter U, the first and second |
184 | -- derivatives V1 and V2. |
185 | raises |
186 | DomainError from Standard |
187 | --- Purpose : Raised if the continuity of the current interval |
188 | -- is not C2. |
189 | is redefined static; |
190 | |
191 | D3 (me; U : Real; P : out Pnt from gp; V1, V2, V3 : out Vec from gp) |
192 | --- Purpose : |
193 | -- Returns the point P of parameter U, the first, the second |
194 | -- and the third derivative. |
195 | raises |
196 | DomainError from Standard |
197 | --- Purpose : Raised if the continuity of the current interval |
198 | -- is not C3. |
199 | is redefined static; |
200 | |
201 | DN (me; U : Real; N : Integer) returns Vec from gp |
202 | --- Purpose : |
203 | -- The returned vector gives the value of the derivative for the |
204 | -- order of derivation N. |
205 | raises |
206 | DomainError from Standard, |
207 | --- Purpose : Raised if the continuity of the current interval |
208 | -- is not CN. |
209 | OutOfRange from Standard |
210 | --- Purpose : Raised if N < 1. |
211 | is redefined static; |
212 | |
213 | Resolution(me; R3d : Real) returns Real |
214 | ---Purpose : Returns the parametric resolution corresponding |
215 | -- to the real space resolution <R3d>. |
216 | is redefined static; |
217 | |
218 | GetType(me) returns CurveType from GeomAbs |
219 | ---Purpose: Returns the type of the curve in the current |
220 | -- interval : Line, Circle, Ellipse, Hyperbola, |
221 | -- Parabola, BezierCurve, BSplineCurve, OtherCurve. |
222 | is redefined static; |
223 | |
224 | -- |
225 | -- The following methods must be called when GetType returned |
226 | -- the corresponding type. |
227 | -- |
228 | |
229 | Line(me) returns Lin from gp |
230 | raises |
231 | NoSuchObject from Standard |
232 | is redefined static; |
233 | |
234 | Circle(me) returns Circ from gp |
235 | raises |
236 | NoSuchObject from Standard |
237 | is redefined static; |
238 | |
239 | Ellipse(me) returns Elips from gp |
240 | raises |
241 | NoSuchObject from Standard |
242 | is redefined static; |
243 | |
244 | Hyperbola(me) returns Hypr from gp |
245 | raises |
246 | NoSuchObject from Standard |
247 | is redefined static; |
248 | |
249 | Parabola(me) returns Parab from gp |
250 | raises |
251 | NoSuchObject from Standard |
252 | is redefined static; |
253 | |
254 | |
255 | |
256 | Degree(me) returns Integer |
257 | raises |
258 | NoSuchObject from Standard |
259 | is redefined static; |
260 | |
261 | IsRational(me) returns Boolean |
262 | raises |
263 | NoSuchObject from Standard |
264 | is redefined static; |
265 | |
266 | NbPoles(me) returns Integer |
267 | raises |
268 | NoSuchObject from Standard |
269 | is redefined static; |
270 | |
271 | |
272 | NbKnots(me) returns Integer |
273 | raises |
274 | NoSuchObject from Standard |
275 | is redefined static; |
276 | |
277 | |
278 | |
279 | |
280 | |
281 | Bezier(me) returns BezierCurve from Geom |
282 | raises |
283 | NoSuchObject from Standard |
284 | is redefined static; |
285 | |
286 | BSpline(me) returns BSplineCurve from Geom |
287 | raises |
288 | NoSuchObject from Standard |
289 | is redefined static; |
290 | |
291 | |
292 | fields |
293 | |
294 | mySurface : HSurface from Adaptor3d; |
295 | myIso : IsoType from GeomAbs; |
296 | myFirst : Real; |
297 | myLast : Real; |
298 | myParameter : Real; |
299 | end IsoCurve; |
300 | |
301 | |
302 | |
303 | |
304 | |