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1 | // File: gce_MakeElips.cxx |
2 | // Created: Wed Sep 2 12:35:36 1992 |
3 | // Author: Remi GILET |
4 | // <reg@sdsun1> |
5 | |
6 | #include <gce_MakeHypr.ixx> |
7 | #include <StdFail_NotDone.hxx> |
8 | #include <gp_Lin.hxx> |
9 | |
10 | //========================================================================= |
11 | // Creation d une Hyperbole 3d de gp de centre <Center> et de sommets + |
12 | // <S1> et <S2>. + |
13 | // <CenterS1> donne le grand axe . + |
14 | // <S1> donne le grand rayon et <S2> le petit rayon. + |
15 | //========================================================================= |
16 | |
17 | gce_MakeHypr::gce_MakeHypr(const gp_Pnt& S1 , |
18 | const gp_Pnt& S2 , |
19 | const gp_Pnt& Center ) |
20 | { |
21 | gp_Dir XAxis(gp_XYZ(S1.XYZ()-Center.XYZ())); |
22 | gp_Lin L(Center,XAxis); |
23 | Standard_Real D = S1.Distance(Center); |
24 | Standard_Real d = L.Distance(S2); |
25 | if (d > D) { TheError = gce_InvertAxis; } |
26 | else { |
27 | gp_Dir Norm(XAxis.Crossed(gp_Dir(gp_XYZ(S2.XYZ()-Center.XYZ())))); |
28 | TheHypr = gp_Hypr(gp_Ax2(Center,Norm,XAxis),D,d); |
29 | TheError = gce_Done; |
30 | } |
31 | } |
32 | |
33 | gce_MakeHypr::gce_MakeHypr(const gp_Ax2& A2 , |
34 | const Standard_Real MajorRadius , |
35 | const Standard_Real MinorRadius ) |
36 | { |
37 | if (MajorRadius < MinorRadius) { TheError = gce_InvertRadius; } |
38 | else if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; } |
39 | else { |
40 | TheHypr = gp_Hypr(A2,MajorRadius,MinorRadius); |
41 | TheError = gce_Done; |
42 | } |
43 | } |
44 | |
45 | const gp_Hypr& gce_MakeHypr::Value() const |
46 | { |
47 | StdFail_NotDone_Raise_if(!TheError == gce_Done,""); |
48 | return TheHypr; |
49 | } |
50 | |
51 | const gp_Hypr& gce_MakeHypr::Operator() const |
52 | { |
53 | return Value(); |
54 | } |
55 | |
56 | gce_MakeHypr::operator gp_Hypr() const |
57 | { |
58 | return Value(); |
59 | } |
60 | |