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1 | // Created on: 1994-08-25 |
2 | // Created by: Jacques GOUSSARD |
3 | // Copyright (c) 1994-1999 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 | |
17 | #include <BRepTools_TrsfModification.ixx> |
18 | |
19 | #include <Geom_Line.hxx> |
20 | #include <Geom_TrimmedCurve.hxx> |
21 | #include <Geom2d_TrimmedCurve.hxx> |
22 | #include <BRep_Tool.hxx> |
23 | #include <gp_GTrsf2d.hxx> |
24 | #include <gp_TrsfForm.hxx> |
25 | |
26 | #include <gp.hxx> |
27 | #include <GeomLib.hxx> |
28 | #include <TopAbs.hxx> |
29 | #include <TopExp.hxx> |
30 | |
31 | #include <TopoDS.hxx> |
32 | #include <Precision.hxx> |
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33 | #include <GeomAdaptor_Surface.hxx> |
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34 | |
35 | //======================================================================= |
36 | //function : BRepTools_TrsfModification |
37 | //purpose : |
38 | //======================================================================= |
39 | |
40 | BRepTools_TrsfModification::BRepTools_TrsfModification(const gp_Trsf& T) : |
41 | myTrsf(T) |
42 | { |
43 | } |
44 | |
45 | |
46 | //======================================================================= |
47 | //function : Trsf |
48 | //purpose : |
49 | //======================================================================= |
50 | |
51 | gp_Trsf& BRepTools_TrsfModification::Trsf () |
52 | { |
53 | return myTrsf; |
54 | } |
55 | |
56 | //======================================================================= |
57 | //function : NewSurface |
58 | //purpose : |
59 | //======================================================================= |
60 | |
61 | Standard_Boolean BRepTools_TrsfModification::NewSurface |
62 | (const TopoDS_Face& F, |
63 | Handle(Geom_Surface)& S, |
64 | TopLoc_Location& L, |
65 | Standard_Real& Tol, |
66 | Standard_Boolean& RevWires, |
67 | Standard_Boolean& RevFace) |
68 | { |
69 | S = BRep_Tool::Surface(F,L); |
70 | Tol = BRep_Tool::Tolerance(F); |
71 | Tol *= Abs(myTrsf.ScaleFactor()); |
72 | RevWires = Standard_False; |
73 | RevFace = myTrsf.IsNegative(); |
74 | |
75 | gp_Trsf LT = L.Transformation(); |
76 | LT.Invert(); |
77 | LT.Multiply(myTrsf); |
78 | LT.Multiply(L.Transformation()); |
79 | |
80 | S = Handle(Geom_Surface)::DownCast(S->Transformed(LT)); |
81 | |
82 | return Standard_True; |
83 | } |
84 | |
85 | |
86 | //======================================================================= |
87 | //function : NewCurve |
88 | //purpose : |
89 | //======================================================================= |
90 | |
91 | Standard_Boolean BRepTools_TrsfModification::NewCurve |
92 | (const TopoDS_Edge& E, |
93 | Handle(Geom_Curve)& C, |
94 | TopLoc_Location& L, |
95 | Standard_Real& Tol) |
96 | { |
97 | Standard_Real f,l; |
98 | C = BRep_Tool::Curve(E,L,f,l); |
99 | |
100 | Tol = BRep_Tool::Tolerance(E); |
101 | Tol *= Abs(myTrsf.ScaleFactor()); |
102 | |
103 | gp_Trsf LT = L.Transformation(); |
104 | LT.Invert(); |
105 | LT.Multiply(myTrsf); |
106 | LT.Multiply(L.Transformation()); |
107 | |
108 | if (!C.IsNull()) { |
109 | C = Handle(Geom_Curve)::DownCast(C->Transformed(LT)); |
110 | } |
111 | |
112 | return Standard_True; |
113 | } |
114 | |
115 | //======================================================================= |
116 | //function : NewPoint |
117 | //purpose : |
118 | //======================================================================= |
119 | |
120 | Standard_Boolean BRepTools_TrsfModification::NewPoint |
121 | (const TopoDS_Vertex& V, |
122 | gp_Pnt& P, |
123 | Standard_Real& Tol) |
124 | { |
125 | P = BRep_Tool::Pnt(V); |
126 | Tol = BRep_Tool::Tolerance(V); |
127 | Tol *= Abs(myTrsf.ScaleFactor()); |
128 | P.Transform(myTrsf); |
129 | |
130 | return Standard_True; |
131 | } |
132 | |
133 | //======================================================================= |
134 | //function : NewCurve2d |
135 | //purpose : |
136 | //======================================================================= |
137 | |
138 | Standard_Boolean BRepTools_TrsfModification::NewCurve2d |
139 | (const TopoDS_Edge& E, |
140 | const TopoDS_Face& F, |
141 | const TopoDS_Edge&, |
142 | const TopoDS_Face&, |
143 | Handle(Geom2d_Curve)& C, |
144 | Standard_Real& Tol) |
145 | { |
146 | TopLoc_Location loc; |
147 | Tol = BRep_Tool::Tolerance(E); |
148 | Standard_Real scale = myTrsf.ScaleFactor(); |
149 | Tol *= Abs(scale); |
150 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,loc); |
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151 | GeomAdaptor_Surface GAsurf(S); |
152 | if (GAsurf.GetType() == GeomAbs_Plane) |
153 | return Standard_False; |
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154 | |
155 | Standard_Real f,l; |
156 | Handle(Geom2d_Curve) NewC = BRep_Tool::CurveOnSurface(E,F,f,l); |
157 | if (NewC.IsNull()) |
158 | return Standard_False; |
159 | |
160 | Standard_Real newf,newl; |
161 | |
162 | Handle(Standard_Type) TheType = NewC->DynamicType(); |
163 | |
164 | if ( TheType == STANDARD_TYPE(Geom2d_TrimmedCurve)) { |
165 | Handle(Geom2d_TrimmedCurve) TC = Handle(Geom2d_TrimmedCurve)::DownCast(NewC); |
166 | NewC = TC->BasisCurve(); |
167 | } |
168 | |
169 | Standard_Real fc = NewC->FirstParameter(), lc = NewC->LastParameter(); |
170 | |
171 | if(!NewC->IsPeriodic()) { |
172 | if(fc - f > Precision::PConfusion()) f = fc; |
173 | if(l - lc > Precision::PConfusion()) l = lc; |
174 | } |
175 | |
176 | newf = f; |
177 | newl = l; |
178 | if (Abs(scale) != 1.) { |
179 | |
180 | NewC = new Geom2d_TrimmedCurve(NewC,f,l); |
181 | gp_GTrsf2d gtrsf = S->ParametricTransformation(myTrsf); |
182 | |
183 | if ( gtrsf.Form() != gp_Identity) { |
184 | NewC = GeomLib::GTransform(NewC,gtrsf); |
185 | if (NewC.IsNull()) { |
186 | Standard_DomainError::Raise("TrsfModification:Error in NewCurve2d"); |
187 | return Standard_False; |
188 | } |
189 | newf = NewC->FirstParameter(); |
190 | newl = NewC->LastParameter(); |
191 | } |
192 | } |
193 | // il faut parfois recadrer les ranges 3d / 2d |
194 | TopoDS_Vertex V1, V2; |
195 | TopExp::Vertices(E,V1,V2); |
196 | TopoDS_Shape initEFOR = E.Oriented(TopAbs_FORWARD); // skl |
197 | TopoDS_Edge EFOR = TopoDS::Edge(initEFOR/*E.Oriented(TopAbs_FORWARD)*/); //skl |
198 | NewParameter(V1,EFOR,f,Tol); |
199 | NewParameter(V2,EFOR,l,Tol); |
200 | GeomLib::SameRange(Tol,NewC,newf,newl,f,l,C); |
201 | |
202 | return Standard_True; |
203 | } |
204 | |
205 | //======================================================================= |
206 | //function : NewParameter |
207 | //purpose : |
208 | //======================================================================= |
209 | |
210 | Standard_Boolean BRepTools_TrsfModification::NewParameter |
211 | (const TopoDS_Vertex& V, |
212 | const TopoDS_Edge& E, |
213 | Standard_Real& P, |
214 | Standard_Real& Tol) |
215 | { |
216 | if (V.IsNull()) return Standard_False; // infinite edge may have Null vertex |
217 | |
218 | TopLoc_Location loc; |
219 | Tol = BRep_Tool::Tolerance(V); |
220 | Tol *= Abs(myTrsf.ScaleFactor()); |
221 | P = BRep_Tool::Parameter(V,E); |
222 | |
223 | Standard_Real f,l; |
224 | |
225 | Handle(Geom_Curve) C = BRep_Tool::Curve(E,loc,f,l); |
226 | if (!C.IsNull()) { |
227 | P = C->TransformedParameter(P,myTrsf); |
228 | } |
229 | |
230 | return Standard_True; |
231 | } |
232 | |
233 | //======================================================================= |
234 | //function : Continuity |
235 | //purpose : |
236 | //======================================================================= |
237 | |
238 | GeomAbs_Shape BRepTools_TrsfModification::Continuity |
239 | (const TopoDS_Edge& E, |
240 | const TopoDS_Face& F1, |
241 | const TopoDS_Face& F2, |
242 | const TopoDS_Edge&, |
243 | const TopoDS_Face&, |
244 | const TopoDS_Face&) |
245 | { |
246 | return BRep_Tool::Continuity(E,F1,F2); |
247 | } |
248 | |
249 | |