b311480e |
1 | -- Created on: 1994-07-06 |
2 | -- Created by: Laurent PAINNOT |
3 | -- Copyright (c) 1994-1999 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 | |
23 | generic class GExtCC from Extrema (Curve1 as any; |
24 | Tool1 as any; |
25 | Curve2 as any; |
26 | Tool2 as any) |
27 | |
28 | ---Purpose: It calculates all the distance between two curves. |
29 | -- These distances can be maximum or minimum. |
30 | |
31 | uses POnCurv from Extrema, |
32 | SequenceOfPOnCurv from Extrema, |
33 | ExtElC from Extrema, |
34 | Pnt from gp, |
35 | HArray1OfPnt from TColgp, |
36 | SequenceOfReal from TColStd, |
37 | ListOfTransient from TColStd |
38 | |
39 | |
40 | raises InfiniteSolutions from StdFail, |
41 | NotDone from StdFail, |
42 | OutOfRange from Standard |
43 | |
44 | class CCache instantiates CurveCache from Extrema (Curve1, Pnt from gp, HArray1OfPnt from TColgp); |
45 | |
46 | class ECC instantiates GenExtCC from Extrema |
47 | (Curve1, |
48 | Tool1, |
49 | Curve2, |
50 | Tool2, |
51 | CCache, |
52 | HArray1OfPnt from TColgp, |
53 | POnCurv, |
54 | Pnt, |
55 | Vec); |
56 | |
57 | |
58 | is |
59 | |
60 | Create (TolC1: Real = 1.0e-10; TolC2: Real = 1.0e-10) returns GExtCC; |
61 | |
62 | |
63 | Create (C1: Curve1; C2: Curve2; |
64 | TolC1: Real = 1.0e-10; TolC2: Real = 1.0e-10) returns GExtCC; |
65 | ---Purpose: It calculates all the distances. |
66 | |
67 | |
68 | Create (C1: Curve1; |
69 | C2: Curve2; |
70 | U1: Real from Standard; |
71 | U2: Real from Standard; |
72 | V1: Real from Standard; |
73 | V2: Real from Standard; |
74 | TolC1: Real = 1.0e-10; |
75 | TolC2: Real = 1.0e-10) returns GExtCC; |
76 | ---Purpose: It calculates all the distances. |
77 | |
78 | |
79 | SetCurve (me: in out; theRank: Integer; C: Curve1); |
80 | ---Purpose: |
81 | |
82 | SetCurve (me: in out; theRank: Integer; C: Curve1; Uinf, Usup: Real); |
83 | ---Purpose: |
84 | |
85 | SetRange (me: in out; theRank: Integer; Uinf, Usup: Real); |
86 | ---Purpose: |
87 | |
88 | SetTolerance (me: in out; theRank: Integer; Tol: Real); |
89 | ---Purpose: |
90 | |
91 | Perform(me: in out); |
92 | |
93 | |
94 | IsDone (me) returns Boolean |
95 | ---Purpose: Returns True if the distances are found. |
96 | is static; |
97 | |
98 | NbExt (me) returns Integer |
99 | ---Purpose: Returns the number of extremum distances. |
100 | raises NotDone from StdFail, |
101 | -- if IsDone(me)=False. |
102 | InfiniteSolutions from StdFail |
103 | -- if IsParallel(me)= True. |
104 | is static; |
105 | |
106 | |
107 | IsParallel (me) returns Boolean |
108 | ---Purpose: Returns True if the two curves are parallel. |
109 | raises NotDone from StdFail |
110 | -- if IsDone(me)=False. |
111 | is static; |
112 | |
113 | |
114 | SquareDistance (me; N: Integer =1) returns Real |
115 | ---Purpose: Returns the value of the Nth extremum square distance. |
116 | raises NotDone from StdFail, |
117 | -- if IsDone(me)=False. |
118 | InfiniteSolutions from StdFail, |
119 | -- if IsParallel(me)= True and N > 1. |
120 | OutOfRange |
121 | -- if N < 1 or N > NbExt(me) |
122 | is static; |
123 | |
124 | Points (me; N: Integer; P1,P2: out POnCurv) |
125 | ---Purpose: Returns the points of the Nth extremum distance. |
126 | -- P1 is on the first curve, P2 on the second one. |
127 | raises NotDone from StdFail, |
128 | -- if IsDone(me)=False. |
129 | InfiniteSolutions from StdFail, |
130 | -- if IsParallel(me)= True. |
131 | OutOfRange |
132 | -- if N < 1 or N > NbExt(me) |
133 | is static; |
134 | |
135 | TrimmedSquareDistances(me; dist11, distP12, distP21, distP22: out Real; |
136 | P11, P12, P21, P22: out Pnt) |
137 | ---Purpose: if the curve is a trimmed curve, |
138 | -- dist11 is a square distance between the point on C1 |
139 | -- of parameter FirstParameter and the point of |
140 | -- parameter FirstParameter on C2. |
141 | |
142 | is static; |
143 | |
144 | Results(me: in out; AlgExt: ExtElC from Extrema; |
145 | Ut11, Ut12, Ut21, Ut22: Real) |
146 | |
147 | is static protected; |
148 | |
149 | Results(me: in out;AlgExt: ECC; |
150 | Ut11, Ut12, Ut21, Ut22: Real) |
151 | |
152 | is static protected; |
153 | |
154 | |
155 | |
156 | |
157 | fields |
158 | myECC: ECC from Extrema; |
159 | myDone: Boolean; |
160 | myIsPar: Boolean; |
161 | mypoints: SequenceOfPOnCurv from Extrema; |
162 | mySqDist: SequenceOfReal from TColStd; |
163 | mynbext: Integer; |
164 | inverse: Boolean; |
165 | myC: Address from Standard [2]; |
166 | myInf: Real [2]; |
167 | mySup: Real [2]; |
168 | myTol: Real [2]; |
169 | myCacheLists: ListOfTransient from TColStd [2]; -- lists of Handle(Extrema_CCache) |
170 | P1f: Pnt; |
171 | P1l: Pnt; |
172 | P2f: Pnt; |
173 | P2l: Pnt; |
174 | mydist11: Real; |
175 | mydist12: Real; |
176 | mydist21: Real; |
177 | mydist22: Real; |
178 | |
179 | |
180 | |
181 | end GExtCC; |