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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 |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | // |
6 | // The content of this file is subject to the Open CASCADE Technology Public |
7 | // License Version 6.5 (the "License"). You may not use the content of this file |
8 | // except in compliance with the License. Please obtain a copy of the License |
9 | // at http://www.opencascade.org and read it completely before using this file. |
10 | // |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | // |
14 | // The Original Code and all software distributed under the License is |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | // Initial Developer hereby disclaims all such warranties, including without |
17 | // limitation, any warranties of merchantability, fitness for a particular |
18 | // purpose or non-infringement. Please see the License for the specific terms |
19 | // and conditions governing the rights and limitations under the License. |
20 | |
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21 | #include <AIS_RadiusDimension.hxx> |
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22 | |
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23 | #include <AIS.hxx> |
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24 | #include <BRepLib_MakeEdge.hxx> |
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25 | #include <ElCLib.hxx> |
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26 | #include <gce_MakeDir.hxx> |
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27 | |
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28 | IMPLEMENT_STANDARD_HANDLE (AIS_RadiusDimension, AIS_Dimension) |
29 | IMPLEMENT_STANDARD_RTTIEXT (AIS_RadiusDimension, AIS_Dimension) |
30 | |
31 | namespace |
32 | { |
33 | static const Standard_ExtCharacter THE_RADIUS_SYMBOL ('R'); |
34 | }; |
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35 | |
36 | //======================================================================= |
37 | //function : Constructor |
38 | //purpose : |
39 | //======================================================================= |
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40 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle) |
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41 | : AIS_Dimension (AIS_KOD_RADIUS) |
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42 | { |
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43 | SetMeasuredGeometry (theCircle); |
44 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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45 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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46 | SetFlyout (0.0); |
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47 | } |
48 | |
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49 | //======================================================================= |
50 | //function : Constructor |
51 | //purpose : |
52 | //======================================================================= |
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53 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle, |
54 | const gp_Pnt& theAttachPoint) |
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55 | : AIS_Dimension (AIS_KOD_RADIUS) |
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56 | { |
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57 | SetMeasuredGeometry (theCircle, theAttachPoint); |
58 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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59 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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60 | SetFlyout (0.0); |
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61 | } |
62 | |
63 | //======================================================================= |
64 | //function : Constructor |
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65 | //purpose : |
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66 | //======================================================================= |
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67 | AIS_RadiusDimension::AIS_RadiusDimension (const TopoDS_Shape& theShape) |
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68 | : AIS_Dimension (AIS_KOD_RADIUS) |
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69 | { |
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70 | SetMeasuredGeometry (theShape); |
71 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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72 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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73 | SetFlyout (0.0); |
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74 | } |
75 | |
76 | //======================================================================= |
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77 | //function : SetMeasuredGeometry |
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78 | //purpose : |
79 | //======================================================================= |
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80 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle) |
81 | { |
82 | myCircle = theCircle; |
83 | myGeometryType = GeometryType_Edge; |
84 | myShape = BRepLib_MakeEdge (theCircle); |
85 | myAnchorPoint = ElCLib::Value (0, myCircle); |
86 | myIsValid = IsValidCircle (myCircle); |
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87 | |
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88 | if (myIsValid) |
89 | { |
90 | ComputePlane(); |
91 | } |
92 | |
93 | myIsValid &= CheckPlane (myPlane); |
94 | |
95 | SetToUpdate(); |
96 | } |
97 | |
98 | //======================================================================= |
99 | //function : SetMeasuredGeometry |
100 | //purpose : |
101 | //======================================================================= |
102 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle, |
103 | const gp_Pnt& theAnchorPoint) |
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104 | { |
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105 | myCircle = theCircle; |
106 | myGeometryType = GeometryType_Edge; |
107 | myShape = BRepLib_MakeEdge (theCircle); |
108 | myAnchorPoint = theAnchorPoint; |
109 | myIsValid = IsValidCircle (myCircle) && IsValidAnchor (myCircle, theAnchorPoint); |
110 | |
111 | if (myIsValid) |
112 | { |
113 | ComputePlane(); |
114 | } |
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115 | |
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116 | myIsValid &= CheckPlane (myPlane); |
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117 | |
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118 | SetToUpdate(); |
119 | } |
120 | |
121 | //======================================================================= |
122 | //function : SetMeasuredGeometry |
123 | //purpose : |
124 | //======================================================================= |
125 | void AIS_RadiusDimension::SetMeasuredGeometry (const TopoDS_Shape& theShape) |
126 | { |
127 | Standard_Boolean isClosed = Standard_False; |
128 | myShape = theShape; |
129 | myGeometryType = GeometryType_UndefShapes; |
130 | myIsValid = InitCircularDimension (theShape, myCircle, myAnchorPoint, isClosed) |
131 | && IsValidCircle (myCircle); |
132 | |
133 | if (myIsValid) |
134 | { |
135 | ComputePlane(); |
136 | } |
137 | |
138 | myIsValid &= CheckPlane (myPlane); |
139 | |
140 | SetToUpdate(); |
141 | } |
142 | |
143 | //======================================================================= |
144 | //function : CheckPlane |
145 | //purpose : |
146 | //======================================================================= |
147 | Standard_Boolean AIS_RadiusDimension::CheckPlane (const gp_Pln& thePlane) const |
148 | { |
149 | // Check if anchor point and circle center point belong to plane. |
150 | if (!thePlane.Contains (myAnchorPoint, Precision::Confusion()) && |
151 | !thePlane.Contains (myCircle.Location(), Precision::Confusion())) |
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152 | { |
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153 | return Standard_False; |
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154 | } |
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155 | |
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156 | return Standard_True; |
157 | } |
158 | |
159 | //======================================================================= |
160 | //function : ComputePlane |
161 | //purpose : |
162 | //======================================================================= |
163 | void AIS_RadiusDimension::ComputePlane() |
164 | { |
165 | if (!IsValid()) |
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166 | { |
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167 | return; |
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168 | } |
169 | |
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170 | gp_Dir aDimensionX = gce_MakeDir (myAnchorPoint, myCircle.Location()); |
171 | |
172 | myPlane = gp_Pln (gp_Ax3 (myCircle.Location(), |
173 | myCircle.Axis().Direction(), |
174 | aDimensionX)); |
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175 | } |
176 | |
177 | //======================================================================= |
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178 | //function : GetModelUnits |
179 | //purpose : |
180 | //======================================================================= |
181 | const TCollection_AsciiString& AIS_RadiusDimension::GetModelUnits() const |
182 | { |
183 | return myDrawer->DimLengthModelUnits(); |
184 | } |
185 | |
186 | //======================================================================= |
187 | //function : GetDisplayUnits |
188 | //purpose : |
189 | //======================================================================= |
190 | const TCollection_AsciiString& AIS_RadiusDimension::GetDisplayUnits() const |
191 | { |
192 | return myDrawer->DimLengthDisplayUnits(); |
193 | } |
194 | |
195 | //======================================================================= |
196 | //function : SetModelUnits |
197 | //purpose : |
198 | //======================================================================= |
199 | void AIS_RadiusDimension::SetModelUnits (const TCollection_AsciiString& theUnits) |
200 | { |
201 | myDrawer->SetDimLengthModelUnits (theUnits); |
202 | } |
203 | |
204 | //======================================================================= |
205 | //function : SetDisplayUnits |
206 | //purpose : |
207 | //======================================================================= |
208 | void AIS_RadiusDimension::SetDisplayUnits (const TCollection_AsciiString& theUnits) |
209 | { |
210 | myDrawer->SetDimLengthDisplayUnits(theUnits); |
211 | } |
212 | |
213 | //======================================================================= |
214 | //function : ComputeValue |
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215 | //purpose : |
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216 | //======================================================================= |
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217 | Standard_Real AIS_RadiusDimension::ComputeValue() const |
218 | { |
219 | if (!IsValid()) |
220 | { |
221 | return 0.0; |
222 | } |
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223 | |
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224 | return myCircle.Radius(); |
225 | } |
226 | |
227 | //======================================================================= |
228 | //function : Compute |
229 | //purpose : |
230 | //======================================================================= |
231 | void AIS_RadiusDimension::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePM*/, |
232 | const Handle(Prs3d_Presentation)& thePresentation, |
233 | const Standard_Integer theMode) |
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234 | { |
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235 | thePresentation->Clear(); |
236 | mySelectionGeom.Clear (theMode); |
237 | |
238 | if (!IsValid()) |
239 | { |
240 | return; |
241 | } |
242 | |
243 | DrawLinearDimension (thePresentation, theMode, myAnchorPoint, myCircle.Location(), Standard_True); |
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244 | } |
245 | |
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246 | //======================================================================= |
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247 | //function : IsValidCircle |
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248 | //purpose : |
249 | //======================================================================= |
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250 | Standard_Boolean AIS_RadiusDimension::IsValidCircle (const gp_Circ& theCircle) const |
251 | { |
252 | return theCircle.Radius() > Precision::Confusion(); |
253 | } |
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254 | |
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255 | //======================================================================= |
256 | //function : IsValidAnchor |
257 | //purpose : |
258 | //======================================================================= |
259 | Standard_Boolean AIS_RadiusDimension::IsValidAnchor (const gp_Circ& theCircle, |
260 | const gp_Pnt& theAnchor) const |
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261 | { |
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262 | gp_Pln aCirclePlane (theCircle.Location(), theCircle.Axis().Direction()); |
263 | Standard_Real anAnchorDist = theAnchor.Distance (theCircle.Location()); |
264 | Standard_Real aRadius = myCircle.Radius(); |
265 | |
266 | return Abs (anAnchorDist - aRadius) > Precision::Confusion() |
267 | && aCirclePlane.Contains (theAnchor, Precision::Confusion()); |
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268 | } |