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1 | // Created on: 1996-11-14 |
2 | // Created by: Philippe MANGIN |
3 | // Copyright (c) 1996-1999 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 | #include <AdvApprox_PrefAndRec.ixx> |
24 | |
25 | #include <Precision.hxx> |
26 | #include <Standard_DomainError.hxx> |
27 | |
28 | |
29 | AdvApprox_PrefAndRec::AdvApprox_PrefAndRec(const TColStd_Array1OfReal& RecCut, |
30 | const TColStd_Array1OfReal& PrefCut, |
31 | const Standard_Real Weight): |
32 | myRecCutting(1, RecCut.Length()), |
33 | myPrefCutting(1, PrefCut.Length()), |
34 | myWeight(Weight) |
35 | { |
36 | myRecCutting = RecCut; |
37 | myPrefCutting = PrefCut; |
38 | if (myWeight <= 1) { Standard_DomainError::Raise("PrefAndRec : Weight is too small");} |
39 | } |
40 | |
41 | Standard_Boolean AdvApprox_PrefAndRec::Value(const Standard_Real a, |
42 | const Standard_Real b, |
43 | Standard_Real& cuttingvalue) const |
44 | { |
45 | // longueur minimum d'un intervalle parametrique : 10*PConfusion() |
46 | Standard_Real lgmin = 10 * Precision::PConfusion(); |
47 | Standard_Integer i; |
48 | Standard_Real cut, mil=(a+b)/2, dist; |
49 | |
50 | cut = mil; |
51 | |
52 | // Recheche d'une decoupe preferentiel |
53 | dist = Abs( (a*myWeight+b)/(1+myWeight) - mil ) ; |
54 | for ( i=1; i<=myPrefCutting.Length(); i++) { |
55 | if ( dist > Abs(mil-myPrefCutting.Value(i))) { |
56 | cut = myPrefCutting.Value(i); |
57 | dist = Abs(mil-cut); |
58 | } |
59 | } |
60 | |
61 | // Recheche d'une decoupe recommende |
62 | dist = Abs((a-b)/2); |
63 | for ( i=1; i<=myRecCutting.Length(); i++) { |
64 | if ((dist-lgmin) > Abs(mil-myRecCutting.Value(i))) { |
65 | cut = myRecCutting.Value(i); |
66 | dist = Abs(mil-cut); |
67 | } |
68 | } |
69 | |
70 | // Resultat |
71 | cuttingvalue = cut; |
72 | return (Abs(cut-a)>=lgmin && Abs(b-cut)>=lgmin); |
73 | } |