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1 | // Created on: 1999-06-22 |
2 | // Created by: Roman LYGIN |
3 | // Copyright (c) 1999-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | // pdn 13.07.99 Derivatives are scaled in accordance with local/global parameter transition |
18 | |
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19 | #include <Geom_Curve.hxx> |
20 | #include <gp_Pnt.hxx> |
21 | #include <gp_Trsf.hxx> |
22 | #include <gp_Vec.hxx> |
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23 | #include <Precision.hxx> |
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24 | #include <ShapeExtend_ComplexCurve.hxx> |
25 | #include <Standard_Type.hxx> |
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26 | |
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27 | IMPLEMENT_STANDARD_RTTIEXT(ShapeExtend_ComplexCurve,Geom_Curve) |
28 | |
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29 | //======================================================================= |
30 | //function : ShapeExtend_ComplexCurve |
31 | //purpose : |
32 | //======================================================================= |
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33 | ShapeExtend_ComplexCurve::ShapeExtend_ComplexCurve() |
34 | { |
35 | myClosed = Standard_False; |
36 | } |
37 | |
38 | //======================================================================= |
39 | //function : Transform |
40 | //purpose : |
41 | //======================================================================= |
42 | |
43 | void ShapeExtend_ComplexCurve::Transform(const gp_Trsf& T) |
44 | { |
45 | for (Standard_Integer i = 1; i <= NbCurves(); i++) |
46 | Curve(i)->Transform(T); |
47 | } |
48 | |
49 | //======================================================================= |
50 | //function : D0 |
51 | //purpose : |
52 | //======================================================================= |
53 | |
54 | void ShapeExtend_ComplexCurve::D0(const Standard_Real U,gp_Pnt& P) const |
55 | { |
56 | Standard_Real UOut; |
57 | Standard_Integer ind = LocateParameter (U, UOut); |
58 | Curve(ind)->D0(UOut, P); |
59 | } |
60 | |
61 | //======================================================================= |
62 | //function : D1 |
63 | //purpose : |
64 | //======================================================================= |
65 | |
66 | void ShapeExtend_ComplexCurve::D1(const Standard_Real U,gp_Pnt& P,gp_Vec& V1) const |
67 | { |
68 | Standard_Real UOut; |
69 | Standard_Integer ind = LocateParameter (U, UOut); |
70 | Curve(ind)->D1(UOut, P, V1); |
71 | TransformDN(V1,ind,1); |
72 | } |
73 | |
74 | //======================================================================= |
75 | //function : D2 |
76 | //purpose : |
77 | //======================================================================= |
78 | |
79 | void ShapeExtend_ComplexCurve::D2(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2) const |
80 | { |
81 | Standard_Real UOut; |
82 | Standard_Integer ind = LocateParameter (U, UOut); |
83 | Curve(ind)->D2(UOut, P, V1, V2); |
84 | TransformDN(V1,ind,1); |
85 | TransformDN(V2,ind,2); |
86 | } |
87 | |
88 | //======================================================================= |
89 | //function : D3 |
90 | //purpose : |
91 | //======================================================================= |
92 | |
93 | void ShapeExtend_ComplexCurve::D3(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2,gp_Vec& V3) const |
94 | { |
95 | Standard_Real UOut; |
96 | Standard_Integer ind = LocateParameter (U, UOut); |
97 | Curve(ind)->D3(UOut, P, V1, V2, V3); |
98 | TransformDN(V1,ind,1); |
99 | TransformDN(V2,ind,2); |
100 | TransformDN(V3,ind,3); |
101 | } |
102 | |
103 | //======================================================================= |
104 | //function : DN |
105 | //purpose : |
106 | //======================================================================= |
107 | |
108 | gp_Vec ShapeExtend_ComplexCurve::DN(const Standard_Real U,const Standard_Integer N) const |
109 | { |
110 | Standard_Real UOut; |
111 | Standard_Integer ind = LocateParameter (U, UOut); |
112 | gp_Vec res = Curve(ind)->DN(UOut, N); |
113 | if(N) |
114 | TransformDN(res,ind,N); |
115 | return res; |
116 | } |
117 | |
118 | //======================================================================= |
119 | //function : CheckConnectivity |
120 | //purpose : |
121 | //======================================================================= |
122 | |
123 | Standard_Boolean ShapeExtend_ComplexCurve::CheckConnectivity (const Standard_Real Preci) |
124 | { |
125 | Standard_Integer NbC = NbCurves(); |
126 | Standard_Boolean ok = Standard_True; |
127 | for (Standard_Integer i = 1; i < NbC; i++ ) { |
128 | if (i == 1) myClosed = Value (FirstParameter()).IsEqual (Value (LastParameter()), Preci); |
129 | ok &= Curve (i)->Value (Curve(i)->LastParameter()).IsEqual |
130 | (Curve (i + 1)->Value (Curve(i + 1)->FirstParameter()), Preci); |
131 | } |
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132 | #ifdef OCCT_DEBUG |
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133 | if (!ok) cout << "Warning: ShapeExtend_ComplexCurve: not connected in 3d" << endl; |
134 | #endif |
135 | return ok; |
136 | } |
137 | |
138 | //======================================================================= |
139 | //function : TransformDN |
140 | //purpose : |
141 | //======================================================================= |
142 | |
143 | void ShapeExtend_ComplexCurve::TransformDN (gp_Vec& V, |
144 | const Standard_Integer ind, |
145 | const Standard_Integer N) const |
146 | { |
147 | Standard_Real fact = GetScaleFactor(ind); |
148 | for(Standard_Integer i = 1; i <= N; i++) |
149 | V*= fact; |
150 | } |