Commit | Line | Data |
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b311480e | 1 | -- Created on: 1997-09-22 |
2 | -- Created by: Roman BORISOV | |
3 | -- Copyright (c) 1997-1999 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 | |
22 | class CompProjectedCurve from ProjLib inherits Curve2d from Adaptor2d | |
23 | ||
24 | uses | |
25 | HSurface from Adaptor3d, | |
26 | HCurve from Adaptor3d, | |
27 | HCurve2d from Adaptor2d, | |
28 | Pnt2d from gp, | |
29 | Vec2d from gp, | |
30 | Pnt from gp, | |
31 | Array1OfReal from TColStd, | |
32 | HSequenceOfHSequenceOfPnt from ProjLib, | |
33 | Shape from GeomAbs, | |
34 | HArray1OfBoolean from TColStd, | |
35 | HArray1OfReal from TColStd, | |
36 | CurveType from GeomAbs | |
37 | ||
38 | raises | |
39 | ||
40 | OutOfRange from Standard, | |
41 | NoSuchObject from Standard, | |
42 | DomainError from Standard, | |
43 | NotImplemented from Standard | |
44 | ||
45 | is | |
46 | ||
47 | Create returns CompProjectedCurve; | |
48 | ||
49 | ||
50 | Create(S : HSurface from Adaptor3d; | |
51 | C : HCurve from Adaptor3d; | |
52 | TolU, TolV: Real from Standard) | |
53 | returns CompProjectedCurve; | |
54 | ---Purpose: try to find all solutions | |
55 | ||
56 | Create(S : HSurface from Adaptor3d; | |
57 | C : HCurve from Adaptor3d; | |
58 | TolU, TolV, MaxDist: Real from Standard) | |
59 | returns CompProjectedCurve; | |
60 | ---Purpose: this constructor tries to optimize the search using the | |
61 | -- assamption that maximum distance between surface and curve less or | |
62 | -- equal then MaxDist. | |
63 | -- if MaxDist < 0 then algorithm works as above. | |
64 | ||
65 | Init(me: in out) | |
66 | ---Purpose : computes a set of projected point and determine the | |
67 | -- continuous parts of the projected curves. The points | |
68 | -- corresponding to a projection on the bounds of the surface are | |
69 | -- included in this set of points. | |
70 | is static; | |
71 | ||
72 | Load(me : in out;S : HSurface from Adaptor3d) | |
73 | ---Purpose: Changes the surface. | |
74 | is static; | |
75 | ||
76 | Load(me : in out; C : HCurve from Adaptor3d) | |
77 | ---Purpose: Changes the curve. | |
78 | is static; | |
79 | ||
80 | GetSurface(me) returns HSurface from Adaptor3d | |
81 | ---C++: return const & | |
82 | is static; | |
83 | ||
84 | GetCurve(me) returns HCurve from Adaptor3d | |
85 | ---C++: return const & | |
86 | is static; | |
87 | ||
88 | GetTolerance(me; TolU, TolV: in out Real) | |
89 | is static; | |
90 | -- | |
91 | -- Global methods - Apply to the whole curve. | |
92 | -- | |
93 | NbCurves (me) returns Integer from Standard | |
94 | ---Purpose: returns the number of continuous part of the projected curve | |
95 | is static; | |
96 | ||
97 | Bounds(me; Index : in Integer from Standard; | |
98 | Udeb,Ufin : out Real from Standard) | |
99 | --- Purpose : returns the bounds of the continuous part corresponding to Index | |
100 | raises NoSuchObject | |
101 | is static; | |
102 | ||
103 | IsSinglePnt(me; Index: Integer; P : out Pnt2d from gp ) returns Boolean from Standard | |
104 | --- Purpose : returns True if part of projection with number Index is a single point and writes its coordinats in P | |
105 | raises NoSuchObject | |
106 | is static; | |
107 | ||
108 | IsUIso(me; Index: Integer; U : out Real from Standard) returns Boolean from Standard | |
109 | --- Purpose : returns True if part of projection with number Index is an u-isoparametric curve of input surface | |
110 | raises NoSuchObject | |
111 | is static; | |
112 | ||
113 | IsVIso(me; Index: Integer; V : out Real from Standard) returns Boolean from Standard | |
114 | --- Purpose : returns True if part of projection with number Index is an v-isoparametric curve of input surface | |
115 | raises NoSuchObject | |
116 | is static; | |
117 | ||
118 | ||
119 | Value(me; U : Real from Standard) returns Pnt2d from gp | |
120 | --- Purpose : Computes the point of parameter U on the curve. | |
121 | is redefined static; | |
122 | ||
123 | D0 (me; U : Real from Standard; P : out Pnt2d from gp) | |
124 | --- Purpose : Computes the point of parameter U on the curve. | |
125 | raises DomainError | |
126 | is redefined static; | |
127 | ||
128 | D1 (me; U : Real from Standard; P : out Pnt2d from gp ; V : out Vec2d from gp) | |
129 | --- Purpose : Computes the point of parameter U on the curve with its | |
130 | -- first derivative. | |
131 | raises | |
132 | DomainError from Standard | |
133 | --- Purpose : Raised if the continuity of the current interval | |
134 | -- is not C1. | |
135 | ||
136 | is redefined static; | |
137 | ||
138 | D2 (me; U : Real from Standard; P : out Pnt2d from gp; V1, V2 : out Vec2d from gp) | |
139 | --- Purpose : | |
140 | -- Returns the point P of parameter U, the first and second | |
141 | -- derivatives V1 and V2. | |
142 | raises | |
143 | DomainError from Standard | |
144 | --- Purpose : Raised if the continuity of the current interval | |
145 | -- is not C2. | |
146 | is redefined static; | |
147 | ||
148 | DN (me; U : Real; N : Integer) returns Vec2d from gp | |
149 | --- Purpose : | |
150 | -- The returned vector gives the value of the derivative for the | |
151 | -- order of derivation N. | |
152 | raises | |
153 | OutOfRange from Standard, | |
154 | --- Purpose : Raised if N < 1. | |
155 | NotImplemented from Standard | |
156 | --- Purpose : Raised if N > 2. | |
157 | ||
158 | is redefined static; | |
159 | ||
160 | FirstParameter(me) returns Real | |
161 | ---Purpose: Returns the first parameter of the curve C | |
162 | -- which has a projection on S. | |
163 | is redefined static; | |
164 | ||
165 | LastParameter(me) returns Real | |
166 | ---Purpose: Returns the last parameter of the curve C | |
167 | -- which has a projection on S. | |
168 | is redefined static; | |
169 | ||
170 | NbIntervals(me; S : Shape from GeomAbs) returns Integer | |
171 | ---Purpose: Returns the number of intervals which define | |
172 | -- an S continuous part of the projected curve | |
173 | is redefined static; | |
174 | ||
175 | Trim(me;FirstParam,LastParam,Tol : Real) returns HCurve2d from Adaptor2d | |
176 | ---Purpose: Returns a curve equivalent of <me> between | |
177 | -- parameters <First> and <Last>. <Tol> is used to | |
178 | -- test for 2d points confusion. | |
179 | raises | |
180 | OutOfRange from Standard | |
181 | ---Purpose: If <First> >= <Last> | |
182 | is redefined static; | |
183 | ||
184 | ||
185 | Intervals(me; T : in out Array1OfReal from TColStd; | |
186 | S : Shape from GeomAbs) | |
187 | ---Purpose: Returns the parameters corresponding to | |
188 | -- S discontinuities. | |
189 | -- | |
190 | -- The array must provide enough room to accomodate | |
191 | -- for the parameters. i.e. T.Length() > NbIntervals() | |
192 | raises | |
193 | OutOfRange from Standard | |
194 | is redefined static; | |
195 | ||
196 | BuildIntervals(me; S : Shape from GeomAbs) | |
197 | raises | |
198 | OutOfRange from Standard | |
199 | is private; | |
200 | ||
201 | MaxDistance(me; Index: Integer) | |
202 | ---Purpose: returns the maximum distance between | |
203 | -- curve to project and surface | |
204 | returns Real | |
205 | raises NoSuchObject; | |
41194117 | 206 | |
7fd59977 | 207 | -- Methods for debugging |
208 | GetSequence(me) returns HSequenceOfHSequenceOfPnt from ProjLib | |
209 | ---C++: return const & | |
210 | is static; | |
41194117 | 211 | |
7fd59977 | 212 | GetType(me) returns CurveType from GeomAbs |
213 | ---Purpose: Returns the type of the curve in the current | |
214 | -- interval : Line, Circle, Ellipse, Hyperbola, | |
215 | -- Parabola, BezierCurve, BSplineCurve, OtherCurve. | |
216 | is redefined static; | |
41194117 | 217 | |
7fd59977 | 218 | fields |
219 | ||
41194117 K |
220 | mySurface : HSurface from Adaptor3d; |
221 | myCurve : HCurve from Adaptor3d; | |
222 | myNbCurves : Integer from Standard; | |
223 | mySequence : HSequenceOfHSequenceOfPnt from ProjLib; | |
7fd59977 | 224 | myTolU : Real from Standard; |
41194117 K |
225 | myTolV : Real from Standard; |
226 | myMaxDist : Real from Standard; | |
7fd59977 | 227 | myUIso : HArray1OfBoolean from TColStd; |
228 | myVIso : HArray1OfBoolean from TColStd; | |
41194117 K |
229 | mySnglPnts : HArray1OfBoolean from TColStd; |
230 | myMaxDistance : HArray1OfReal from TColStd; | |
231 | myTabInt : HArray1OfReal from TColStd; -- this field should be mutable | |
232 | ||
7fd59977 | 233 | end CompProjectedCurve; |