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1 | -- Created on: 1999-09-21 |
2 | -- Created by: Edward AGAPOV |
3 | -- Copyright (c) 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 | class ExtPRevS from Extrema |
24 | |
25 | ---Purpose: It calculates all the extremum (minimum and |
26 | -- maximum) distances between a point and a surface |
27 | -- of revolution. |
28 | |
29 | uses |
30 | POnSurf from Extrema, |
31 | GenExtPS from Extrema, |
32 | |
33 | SurfaceOfRevolution from Adaptor3d, |
34 | SurfacePtr from Adaptor3d, |
35 | |
36 | Ax2 from gp, |
37 | Pnt from gp |
38 | |
39 | raises |
40 | NotDone from StdFail, |
41 | OutOfRange |
42 | |
43 | |
44 | is |
45 | |
46 | Create returns ExtPRevS from Extrema; |
47 | |
48 | Create (P: Pnt; S: SurfaceOfRevolution from Adaptor3d; |
49 | Umin, Usup, Vmin, Vsup: Real; |
50 | TolU,TolV: Real) |
51 | returns ExtPRevS from Extrema; |
52 | ---Purpose: It calculates all the distances between a point |
53 | -- from gp and a SurfacePtr from Adaptor3d. |
54 | |
55 | Create (P: Pnt; S: SurfaceOfRevolution from Adaptor3d; |
56 | TolU,TolV: Real) |
57 | returns ExtPRevS from Extrema; |
58 | ---Purpose: It calculates all the distances between a point |
59 | -- from gp and a SurfacePtr from Adaptor3d. |
60 | |
61 | Initialize(me: in out; S: SurfaceOfRevolution from Adaptor3d; |
62 | Umin, Usup, Vmin, Vsup: Real; |
63 | TolU,TolV: Real) |
64 | is static; |
65 | |
66 | Perform (me: in out; P: Pnt) |
67 | is static; |
68 | |
69 | IsDone (me) returns Boolean |
70 | ---Purpose: Returns True if the distances are found. |
71 | is static; |
72 | |
73 | NbExt (me) returns Integer |
74 | ---Purpose: Returns the number of extremum distances. |
75 | raises NotDone from StdFail |
76 | -- if IsDone(me)=False. |
77 | is static; |
78 | |
79 | SquareDistance (me; N: Integer) returns Real |
80 | ---Purpose: Returns the value of the Nth resulting square distance. |
81 | raises NotDone from StdFail, |
82 | -- if IsDone(me)=False. |
83 | OutOfRange |
84 | -- if N < 1 or N > NbPoints(me). |
85 | is static; |
86 | |
87 | Point (me; N: Integer) returns POnSurf |
88 | ---Purpose: Returns the point of the Nth resulting distance. |
89 | raises NotDone from StdFail, |
90 | -- if IsDone(me)=False. |
91 | OutOfRange |
92 | -- if N < 1 or N > NbPoints(me). |
93 | is static; |
94 | |
95 | fields |
96 | myS : SurfacePtr from Adaptor3d; |
97 | myvinf : Real from Standard; |
98 | myvsup : Real from Standard; |
99 | mytolv : Real from Standard; |
100 | |
101 | myPosition : Ax2 from gp; |
102 | myExtPS : GenExtPS from Extrema; |
103 | |
104 | myIsAnalyticallyComputable : Boolean from Standard; |
105 | |
106 | myDone : Boolean; |
107 | myNbExt: Integer; |
108 | mySqDist: Real [6]; |
109 | myPoint: POnSurf from Extrema [6]; |
110 | |
111 | end ExtPRevS; |