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1 | // Created on: 2000-10-20 |
2 | // Created by: Julia DOROVSKIKH |
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3 | // Copyright (c) 2000-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | |
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17 | #include <DsgPrs_MidPointPresentation.hxx> |
18 | #include <ElCLib.hxx> |
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19 | #include <gp_Ax1.hxx> |
20 | #include <gp_Ax2.hxx> |
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21 | #include <gp_Circ.hxx> |
22 | #include <gp_Dir.hxx> |
23 | #include <gp_Elips.hxx> |
24 | #include <gp_Lin.hxx> |
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25 | #include <gp_Pnt.hxx> |
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26 | #include <gp_Vec.hxx> |
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27 | #include <Graphic3d_ArrayOfPolylines.hxx> |
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28 | #include <Graphic3d_ArrayOfSegments.hxx> |
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29 | #include <Graphic3d_AspectLine3d.hxx> |
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30 | #include <Graphic3d_Group.hxx> |
31 | #include <Precision.hxx> |
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32 | #include <Prs3d_DimensionAspect.hxx> |
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33 | #include <Prs3d_LineAspect.hxx> |
34 | #include <Prs3d_Presentation.hxx> |
35 | #include <Prs3d_Root.hxx> |
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36 | #include <Prs3d_Text.hxx> |
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37 | #include <TCollection_ExtendedString.hxx> |
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38 | |
39 | //=================================================================== |
40 | //Function:Add |
41 | //Purpose: draws the representation of a radial symmetry between two vertices. |
42 | //=================================================================== |
43 | void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
44 | const Handle(Prs3d_Drawer)& aDrawer, |
45 | const gp_Ax2& theAxe, |
46 | const gp_Pnt& MidPoint, |
47 | const gp_Pnt& Position, |
48 | const gp_Pnt& AttachPoint, |
49 | const Standard_Boolean first) |
50 | { |
51 | Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0; |
52 | |
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53 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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54 | |
55 | gp_Ax2 ax = theAxe; |
56 | ax.SetLocation(MidPoint); |
57 | gp_Circ aCircleM (ax,rad); |
58 | |
59 | if ( first ) |
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60 | { |
61 | // center of the symmetry - circle around the MidPoint |
62 | Prs3d_Root::NewGroup(aPresentation); |
63 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
64 | |
65 | const Standard_Real alpha = 2. * M_PI; |
66 | const Standard_Integer nbp = 100; |
67 | const Standard_Real dteta = alpha/(nbp-1); |
68 | |
69 | Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2); |
70 | aPrims->AddBound(nbp); |
71 | for (Standard_Integer i = 1; i <= nbp; i++) |
72 | aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM)); |
73 | |
74 | // segment from mid point to the text position |
75 | aPrims->AddBound(2); |
76 | aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point |
77 | aPrims->AddVertex(Position); // text position |
78 | |
79 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
80 | |
81 | // texte |
82 | TCollection_ExtendedString aText(" (+)"); |
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83 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (aPresentation), LA->TextAspect(), aText, Position); |
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84 | } |
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85 | |
86 | if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) ) |
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87 | { |
88 | if ( !first ) |
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89 | { |
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90 | Prs3d_Root::NewGroup(aPresentation); |
91 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
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92 | } |
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93 | |
94 | // segment from mid point to the geometry |
95 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
96 | aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM)); // mid point |
97 | aPrims->AddVertex(AttachPoint); // attach point to the geometry |
98 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
99 | } |
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100 | } |
101 | |
102 | //=================================================================== |
103 | //Function:Add |
104 | //Purpose: draws the representation of a radial symmetry between two linear segments. |
105 | //=================================================================== |
106 | void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
107 | const Handle(Prs3d_Drawer)& aDrawer, |
108 | const gp_Ax2& theAxe, |
109 | const gp_Pnt& MidPoint, |
110 | const gp_Pnt& Position, |
111 | const gp_Pnt& AttachPoint, |
112 | const gp_Pnt& Point1, |
113 | const gp_Pnt& Point2, |
114 | const Standard_Boolean first) |
115 | { |
116 | Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0; |
117 | if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0; |
118 | |
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119 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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120 | |
121 | gp_Ax2 ax = theAxe; |
122 | ax.SetLocation(MidPoint); |
123 | gp_Circ aCircleM (ax,rad); |
124 | |
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125 | // segment on line |
126 | Prs3d_Root::NewGroup(aPresentation); |
127 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
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128 | |
129 | Handle(Graphic3d_ArrayOfPrimitives) aPrims = new Graphic3d_ArrayOfSegments(2); |
130 | aPrims->AddVertex(Point1); |
131 | aPrims->AddVertex(Point2); |
132 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
133 | |
134 | if ( first ) |
135 | { |
136 | // center of the symmetry - circle around the MidPoint |
137 | const Standard_Real alpha = 2. * M_PI; |
138 | const Standard_Integer nbp = 100; |
139 | const Standard_Real dteta = alpha/(nbp-1); |
140 | |
141 | aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2); |
142 | aPrims->AddBound(nbp); |
143 | for (Standard_Integer i = 1; i <= nbp; i++) |
144 | aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM)); |
145 | |
146 | // segment from mid point to the text position |
147 | aPrims->AddBound(2); |
148 | aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point |
149 | aPrims->AddVertex(Position); // text position |
150 | |
151 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
152 | |
153 | // texte |
154 | TCollection_ExtendedString aText (" (+)"); |
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155 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (aPresentation), LA->TextAspect(), aText, Position); |
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156 | } |
157 | |
158 | if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) ) |
159 | { |
160 | // mid point |
161 | aPrims = new Graphic3d_ArrayOfSegments(2); |
162 | aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM)); |
163 | aPrims->AddVertex(AttachPoint); // attach point to the geometry |
164 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
165 | } |
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166 | } |
167 | |
168 | //=================================================================== |
169 | //Function:Add |
170 | //Purpose: draws the representation of a radial symmetry between two circular arcs. |
171 | //=================================================================== |
172 | void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
173 | const Handle(Prs3d_Drawer)& aDrawer, |
174 | const gp_Circ& aCircle, |
175 | const gp_Pnt& MidPoint, |
176 | const gp_Pnt& Position, |
177 | const gp_Pnt& AttachPoint, |
178 | const gp_Pnt& Point1, |
179 | const gp_Pnt& Point2, |
180 | const Standard_Boolean first) |
181 | { |
182 | Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0; |
183 | if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0; |
184 | |
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185 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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186 | |
187 | gp_Ax2 ax = aCircle.Position(); |
188 | ax.SetLocation(MidPoint); |
189 | gp_Circ aCircleM (ax,rad); |
190 | |
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191 | // segment on circle |
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192 | Prs3d_Root::NewGroup(aPresentation); |
193 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
194 | |
195 | const Standard_Real pf = ElCLib::Parameter(aCircle,Point1); |
196 | const Standard_Real pl = ElCLib::Parameter(aCircle,Point2); |
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197 | Standard_Real alpha = pl - pf; |
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198 | if ( alpha < 0 ) alpha += 2. * M_PI; |
199 | const Standard_Integer nb = (Standard_Integer)(50.0*alpha/M_PI); |
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200 | Standard_Integer nbp = Max(4,nb); |
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201 | Standard_Real dteta = alpha/(nbp-1); |
202 | |
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203 | Handle(Graphic3d_ArrayOfPrimitives) aPrims = new Graphic3d_ArrayOfPolylines(nbp); |
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204 | for (Standard_Integer i = 1; i <= nbp; i++) |
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205 | aPrims->AddVertex(ElCLib::Value(pf + dteta*(i-1),aCircle)); |
206 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
207 | |
208 | if ( first ) |
209 | { |
210 | // center of the symmetry - circle around the MidPoint |
211 | alpha = 2. * M_PI; |
212 | nbp = 100; |
213 | dteta = alpha/(nbp-1); |
214 | |
215 | aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2); |
216 | aPrims->AddBound(nbp); |
217 | for (Standard_Integer i = 1; i <= nbp; i++) |
218 | aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM)); |
219 | |
220 | // segment from mid point to the text position |
221 | aPrims->AddBound(2); |
222 | aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point |
223 | aPrims->AddVertex(Position); // text position |
224 | |
225 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
226 | |
227 | // texte |
228 | TCollection_ExtendedString aText (" (+)"); |
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229 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (aPresentation), LA->TextAspect(), aText, Position); |
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230 | } |
231 | |
232 | if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) ) |
233 | { |
234 | // segment from mid point to the geometry |
235 | aPrims = new Graphic3d_ArrayOfSegments(2); |
236 | aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM)); // mid point |
237 | aPrims->AddVertex(AttachPoint); // attach point to the geometry |
238 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
239 | } |
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240 | } |
241 | |
242 | //=================================================================== |
243 | //Function:Add |
244 | //Purpose: draws the representation of a radial symmetry between two elliptic arcs. |
245 | //=================================================================== |
246 | void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
247 | const Handle(Prs3d_Drawer)& aDrawer, |
248 | const gp_Elips& aCircle, |
249 | const gp_Pnt& MidPoint, |
250 | const gp_Pnt& Position, |
251 | const gp_Pnt& AttachPoint, |
252 | const gp_Pnt& Point1, |
253 | const gp_Pnt& Point2, |
254 | const Standard_Boolean first) |
255 | { |
256 | Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0; |
257 | if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0; |
258 | |
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259 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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260 | |
261 | gp_Pnt Ptmp,ptcur; |
262 | |
263 | gp_Ax2 ax = aCircle.Position(); |
264 | ax.SetLocation(MidPoint); |
265 | gp_Circ aCircleM (ax,rad); |
266 | |
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267 | // segment on ellipse |
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268 | Prs3d_Root::NewGroup(aPresentation); |
269 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
270 | |
271 | const Standard_Real pf = ElCLib::Parameter(aCircle,Point1); |
272 | const Standard_Real pl = ElCLib::Parameter(aCircle,Point2); |
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273 | Standard_Real alpha = pl - pf; |
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274 | if ( alpha < 0 ) alpha += 2 * M_PI; |
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275 | const Standard_Integer nb = (Standard_Integer)(50.0*alpha/M_PI); |
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276 | Standard_Integer nbp = Max(4,nb); |
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277 | Standard_Real dteta = alpha/(nbp-1); |
278 | |
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279 | Handle(Graphic3d_ArrayOfPrimitives) aPrims = new Graphic3d_ArrayOfPolylines(nbp); |
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280 | for (Standard_Integer i = 1; i <= nbp; i++) |
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281 | aPrims->AddVertex(ElCLib::Value(pf + dteta*(i-1),aCircle)); |
282 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
283 | |
284 | if ( first ) |
285 | { |
286 | // center of the symmetry - circle around the MidPoint |
287 | alpha = 2. * M_PI; |
288 | nbp = 100; |
289 | dteta = alpha/(nbp-1); |
290 | |
291 | aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2); |
292 | aPrims->AddBound(nbp); |
293 | for (Standard_Integer i = 1; i <= nbp; i++) |
294 | aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM)); |
295 | |
296 | // segment from mid point to the text position |
297 | aPrims->AddBound(2); |
298 | aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point |
299 | aPrims->AddVertex(Position); // text position |
300 | |
301 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
302 | |
303 | // texte |
304 | TCollection_ExtendedString aText (" (+)"); |
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305 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (aPresentation), LA->TextAspect(), aText, Position); |
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306 | } |
307 | |
308 | if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) ) |
309 | { |
310 | // segment from mid point to the geometry |
311 | aPrims = new Graphic3d_ArrayOfSegments(2); |
312 | aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM)); // mid point |
313 | aPrims->AddVertex(AttachPoint); // attach point to the geometry |
314 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
315 | } |
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316 | } |