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1 | // Created on: 1996-12-05 |
2 | // Created by: Jean-Pierre COMBE/Odile Olivier/Serguei Zaritchny |
3 | // Copyright (c) 1996-1999 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 | #include <AIS_RadiusDimension.hxx> |
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18 | |
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19 | #include <AIS.hxx> |
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20 | #include <BRepLib_MakeEdge.hxx> |
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21 | #include <ElCLib.hxx> |
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22 | #include <gce_MakeDir.hxx> |
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23 | |
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24 | |
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25 | IMPLEMENT_STANDARD_RTTIEXT(AIS_RadiusDimension,AIS_Dimension) |
26 | |
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27 | namespace |
28 | { |
29 | static const Standard_ExtCharacter THE_RADIUS_SYMBOL ('R'); |
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30 | } |
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31 | |
32 | //======================================================================= |
33 | //function : Constructor |
34 | //purpose : |
35 | //======================================================================= |
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36 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle) |
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37 | : AIS_Dimension (AIS_KOD_RADIUS) |
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38 | { |
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39 | SetMeasuredGeometry (theCircle); |
40 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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41 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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42 | SetFlyout (0.0); |
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43 | } |
44 | |
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45 | //======================================================================= |
46 | //function : Constructor |
47 | //purpose : |
48 | //======================================================================= |
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49 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle, |
50 | const gp_Pnt& theAttachPoint) |
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51 | : AIS_Dimension (AIS_KOD_RADIUS) |
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52 | { |
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53 | SetMeasuredGeometry (theCircle, theAttachPoint); |
54 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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55 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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56 | SetFlyout (0.0); |
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57 | } |
58 | |
59 | //======================================================================= |
60 | //function : Constructor |
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61 | //purpose : |
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62 | //======================================================================= |
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63 | AIS_RadiusDimension::AIS_RadiusDimension (const TopoDS_Shape& theShape) |
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64 | : AIS_Dimension (AIS_KOD_RADIUS) |
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65 | { |
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66 | SetMeasuredGeometry (theShape); |
67 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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68 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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69 | SetFlyout (0.0); |
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70 | } |
71 | |
72 | //======================================================================= |
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73 | //function : SetMeasuredGeometry |
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74 | //purpose : |
75 | //======================================================================= |
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76 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle) |
77 | { |
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78 | myCircle = theCircle; |
79 | myGeometryType = GeometryType_Edge; |
80 | myShape = BRepLib_MakeEdge (theCircle); |
81 | myAnchorPoint = ElCLib::Value (0, myCircle); |
82 | myIsGeometryValid = IsValidCircle (myCircle); |
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83 | |
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84 | if (myIsGeometryValid) |
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85 | { |
86 | ComputePlane(); |
87 | } |
88 | |
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89 | SetToUpdate(); |
90 | } |
91 | |
92 | //======================================================================= |
93 | //function : SetMeasuredGeometry |
94 | //purpose : |
95 | //======================================================================= |
96 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle, |
97 | const gp_Pnt& theAnchorPoint) |
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98 | { |
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99 | myCircle = theCircle; |
100 | myGeometryType = GeometryType_Edge; |
101 | myShape = BRepLib_MakeEdge (theCircle); |
102 | myAnchorPoint = theAnchorPoint; |
103 | myIsGeometryValid = IsValidCircle (myCircle) && IsValidAnchor (myCircle, theAnchorPoint); |
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104 | |
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105 | if (myIsGeometryValid) |
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106 | { |
107 | ComputePlane(); |
108 | } |
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109 | |
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110 | SetToUpdate(); |
111 | } |
112 | |
113 | //======================================================================= |
114 | //function : SetMeasuredGeometry |
115 | //purpose : |
116 | //======================================================================= |
117 | void AIS_RadiusDimension::SetMeasuredGeometry (const TopoDS_Shape& theShape) |
118 | { |
119 | Standard_Boolean isClosed = Standard_False; |
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120 | myShape = theShape; |
121 | myGeometryType = GeometryType_UndefShapes; |
122 | myIsGeometryValid = InitCircularDimension (theShape, myCircle, myAnchorPoint, isClosed) |
123 | && IsValidCircle (myCircle); |
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124 | |
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125 | if (myIsGeometryValid) |
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126 | { |
127 | ComputePlane(); |
128 | } |
129 | |
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130 | SetToUpdate(); |
131 | } |
132 | |
133 | //======================================================================= |
134 | //function : CheckPlane |
135 | //purpose : |
136 | //======================================================================= |
137 | Standard_Boolean AIS_RadiusDimension::CheckPlane (const gp_Pln& thePlane) const |
138 | { |
139 | // Check if anchor point and circle center point belong to plane. |
140 | if (!thePlane.Contains (myAnchorPoint, Precision::Confusion()) && |
141 | !thePlane.Contains (myCircle.Location(), Precision::Confusion())) |
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142 | { |
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143 | return Standard_False; |
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144 | } |
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145 | |
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146 | return Standard_True; |
147 | } |
148 | |
149 | //======================================================================= |
150 | //function : ComputePlane |
151 | //purpose : |
152 | //======================================================================= |
153 | void AIS_RadiusDimension::ComputePlane() |
154 | { |
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155 | if (!myIsGeometryValid) |
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156 | { |
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157 | return; |
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158 | } |
159 | |
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160 | gp_Dir aDimensionX = gce_MakeDir (myAnchorPoint, myCircle.Location()); |
161 | |
162 | myPlane = gp_Pln (gp_Ax3 (myCircle.Location(), |
163 | myCircle.Axis().Direction(), |
164 | aDimensionX)); |
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165 | } |
166 | |
167 | //======================================================================= |
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168 | //function : GetModelUnits |
169 | //purpose : |
170 | //======================================================================= |
171 | const TCollection_AsciiString& AIS_RadiusDimension::GetModelUnits() const |
172 | { |
173 | return myDrawer->DimLengthModelUnits(); |
174 | } |
175 | |
176 | //======================================================================= |
177 | //function : GetDisplayUnits |
178 | //purpose : |
179 | //======================================================================= |
180 | const TCollection_AsciiString& AIS_RadiusDimension::GetDisplayUnits() const |
181 | { |
182 | return myDrawer->DimLengthDisplayUnits(); |
183 | } |
184 | |
185 | //======================================================================= |
186 | //function : SetModelUnits |
187 | //purpose : |
188 | //======================================================================= |
189 | void AIS_RadiusDimension::SetModelUnits (const TCollection_AsciiString& theUnits) |
190 | { |
191 | myDrawer->SetDimLengthModelUnits (theUnits); |
192 | } |
193 | |
194 | //======================================================================= |
195 | //function : SetDisplayUnits |
196 | //purpose : |
197 | //======================================================================= |
198 | void AIS_RadiusDimension::SetDisplayUnits (const TCollection_AsciiString& theUnits) |
199 | { |
200 | myDrawer->SetDimLengthDisplayUnits(theUnits); |
201 | } |
202 | |
203 | //======================================================================= |
204 | //function : ComputeValue |
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205 | //purpose : |
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206 | //======================================================================= |
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207 | Standard_Real AIS_RadiusDimension::ComputeValue() const |
208 | { |
209 | if (!IsValid()) |
210 | { |
211 | return 0.0; |
212 | } |
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213 | |
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214 | return myCircle.Radius(); |
215 | } |
216 | |
217 | //======================================================================= |
218 | //function : Compute |
219 | //purpose : |
220 | //======================================================================= |
221 | void AIS_RadiusDimension::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePM*/, |
222 | const Handle(Prs3d_Presentation)& thePresentation, |
223 | const Standard_Integer theMode) |
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224 | { |
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225 | thePresentation->Clear(); |
226 | mySelectionGeom.Clear (theMode); |
227 | |
228 | if (!IsValid()) |
229 | { |
230 | return; |
231 | } |
232 | |
233 | DrawLinearDimension (thePresentation, theMode, myAnchorPoint, myCircle.Location(), Standard_True); |
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234 | } |
235 | |
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236 | //======================================================================= |
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237 | //function : IsValidCircle |
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238 | //purpose : |
239 | //======================================================================= |
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240 | Standard_Boolean AIS_RadiusDimension::IsValidCircle (const gp_Circ& theCircle) const |
241 | { |
242 | return theCircle.Radius() > Precision::Confusion(); |
243 | } |
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244 | |
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245 | //======================================================================= |
246 | //function : IsValidAnchor |
247 | //purpose : |
248 | //======================================================================= |
249 | Standard_Boolean AIS_RadiusDimension::IsValidAnchor (const gp_Circ& theCircle, |
250 | const gp_Pnt& theAnchor) const |
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251 | { |
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252 | gp_Pln aCirclePlane (theCircle.Location(), theCircle.Axis().Direction()); |
253 | Standard_Real anAnchorDist = theAnchor.Distance (theCircle.Location()); |
254 | Standard_Real aRadius = myCircle.Radius(); |
255 | |
256 | return Abs (anAnchorDist - aRadius) > Precision::Confusion() |
257 | && aCirclePlane.Contains (theAnchor, Precision::Confusion()); |
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258 | } |
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259 | |
260 | //======================================================================= |
261 | //function : GetTextPosition |
262 | //purpose : |
263 | //======================================================================= |
264 | const gp_Pnt AIS_RadiusDimension::GetTextPosition() const |
265 | { |
266 | if (IsTextPositionCustom()) |
267 | { |
268 | return myFixedTextPosition; |
269 | } |
270 | |
271 | // Counts text position according to the dimension parameters |
272 | return GetTextPositionForLinear (myAnchorPoint, myCircle.Location(), Standard_True); |
273 | } |
274 | |
275 | //======================================================================= |
276 | //function : GetTextPosition |
277 | //purpose : |
278 | //======================================================================= |
279 | void AIS_RadiusDimension::SetTextPosition (const gp_Pnt& theTextPos) |
280 | { |
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281 | if (!myIsGeometryValid) |
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282 | { |
283 | return; |
284 | } |
285 | |
286 | myIsTextPositionFixed = Standard_True; |
287 | myFixedTextPosition = theTextPos; |
288 | |
289 | SetToUpdate(); |
290 | } |