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7fd59977 | 1 | // File: AIS_EqualRadiusRelation.cxx |
2 | // Created: Tue Jan 20 19:19:54 1998 | |
3 | // Author: Julia GERASIMOVA | |
4 | // <jgv@orthodox.nnov.matra-dtv.fr> | |
5 | ||
6 | #define BUC60915 //GG 05/06/01 Enable to compute the requested arrow size | |
7 | // if any in all dimensions. | |
8 | ||
9 | #include <Standard_NotImplemented.hxx> | |
10 | ||
11 | #include <AIS_EqualRadiusRelation.ixx> | |
12 | ||
13 | #include <AIS.hxx> | |
14 | #include <DsgPrs_EqualRadiusPresentation.hxx> | |
15 | #include <BRepAdaptor_Curve.hxx> | |
16 | #include <TopoDS.hxx> | |
17 | #include <gp_Circ.hxx> | |
18 | #include <Geom_Circle.hxx> | |
19 | #include <ElCLib.hxx> | |
20 | #include <SelectMgr_EntityOwner.hxx> | |
21 | #include <Select3D_SensitiveSegment.hxx> | |
22 | #include <Select3D_SensitiveBox.hxx> | |
23 | #include <Precision.hxx> | |
24 | #include <GeomAPI_ProjectPointOnSurf.hxx> | |
25 | #include <Prs3d_LengthAspect.hxx> | |
26 | #include <Prs3d_ArrowAspect.hxx> | |
27 | #include <AIS_Drawer.hxx> | |
28 | ||
29 | //======================================================================= | |
30 | //function : AIS_EqualRadiusRelation | |
31 | //purpose : | |
32 | //======================================================================= | |
33 | ||
34 | AIS_EqualRadiusRelation::AIS_EqualRadiusRelation( const TopoDS_Edge& aFirstEdge, | |
35 | const TopoDS_Edge& aSecondEdge, | |
36 | const Handle( Geom_Plane )& aPlane ) | |
37 | :AIS_Relation() | |
38 | { | |
39 | myFShape = aFirstEdge; | |
40 | mySShape = aSecondEdge; | |
41 | myPlane = aPlane; | |
42 | } | |
43 | ||
44 | //======================================================================= | |
45 | //function : Compute | |
46 | //purpose : | |
47 | //======================================================================= | |
48 | ||
49 | void AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager3d )&, | |
50 | const Handle( Prs3d_Presentation )& aPresentation, | |
51 | const Standard_Integer ) | |
52 | { | |
53 | aPresentation->Clear(); | |
54 | ||
55 | BRepAdaptor_Curve FirstCurve( TopoDS::Edge( myFShape ) ), SecondCurve( TopoDS::Edge( mySShape ) ); | |
56 | ||
57 | Standard_Real FirstPar1 = FirstCurve.FirstParameter(), LastPar1 = FirstCurve.LastParameter(), | |
58 | FirstPar2 = SecondCurve.FirstParameter(), LastPar2 = SecondCurve.LastParameter(); | |
59 | ||
60 | Handle( Geom_Curve ) FirstProjCurve = FirstCurve.Curve().Curve(), | |
61 | SecondProjCurve = SecondCurve.Curve().Curve(); | |
62 | gp_Pnt FirstPoint1, LastPoint1, FirstPoint2, LastPoint2; | |
63 | Standard_Boolean isFirstOnPlane, isSecondOnPlane; | |
64 | ||
65 | AIS::ComputeGeomCurve( FirstProjCurve, FirstPar1, LastPar1, FirstPoint1, LastPoint1, myPlane, isFirstOnPlane ); | |
66 | AIS::ComputeGeomCurve( SecondProjCurve, FirstPar2, LastPar2, FirstPoint2, LastPoint2, myPlane, isSecondOnPlane ); | |
67 | ||
68 | if (!isFirstOnPlane) | |
69 | ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( myFShape ), FirstProjCurve, FirstPoint1, LastPoint1 ); | |
70 | if (! isSecondOnPlane) | |
71 | ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( mySShape ), SecondProjCurve, FirstPoint2, LastPoint2 ); | |
72 | ||
73 | gp_Circ FirstCirc = (Handle( Geom_Circle )::DownCast( FirstProjCurve ))->Circ(); | |
74 | gp_Circ SecondCirc = (Handle( Geom_Circle )::DownCast( SecondProjCurve ))->Circ(); | |
75 | ||
76 | myFirstCenter = FirstCirc.Location(); | |
77 | mySecondCenter = SecondCirc.Location(); | |
78 | ||
79 | //ota -- begin -- | |
80 | if (myAutomaticPosition) | |
81 | { | |
82 | myFirstPoint = ElCLib::Value( (FirstPar1 + LastPar1)*0.5, FirstCirc ); | |
83 | mySecondPoint = ElCLib::Value( (FirstPar2 + LastPar2)*0.5, SecondCirc ); | |
84 | } | |
85 | else { | |
86 | Standard_Real aPar = ElCLib::Parameter(FirstCirc, myFirstPoint); | |
c6541a0c D |
87 | if (IntegerPart(0.5*LastPar1/M_PI) != 0 && aPar < FirstPar1 ) |
88 | aPar +=2*M_PI*IntegerPart(0.5*LastPar1/M_PI); | |
7fd59977 | 89 | Standard_Real aRadius = FirstCirc.Radius(); |
90 | ||
91 | if (Abs(myFirstPoint.Distance(myFirstCenter) - aRadius) >= Precision::Confusion()) | |
92 | myFirstPoint = ElCLib::Value(aPar, FirstCirc); | |
93 | if ( FirstPoint1.Distance(LastPoint1) > Precision::Confusion()){ | |
94 | //check where is myFirstPoint | |
95 | if (aPar > LastPar1 || aPar < FirstPar1) | |
96 | { | |
97 | //myFirstPoint is out of Arc of FirstCircle | |
98 | if (FirstPoint1.Distance(myFirstPoint)< LastPoint1.Distance(myFirstPoint)) | |
99 | myFirstPoint = FirstPoint1; | |
100 | else | |
101 | myFirstPoint = LastPoint1; | |
102 | } | |
103 | } | |
104 | ||
105 | ||
106 | aPar = ElCLib::Parameter(SecondCirc, mySecondPoint); | |
c6541a0c D |
107 | if (IntegerPart(0.5*LastPar2/M_PI) != 0 && aPar < FirstPar2 ) |
108 | aPar +=2*M_PI*IntegerPart(0.5*LastPar2/M_PI); | |
7fd59977 | 109 | |
110 | aRadius = SecondCirc.Radius(); | |
111 | if (Abs(mySecondPoint.Distance(mySecondCenter) - aRadius) >= Precision::Confusion()) | |
112 | mySecondPoint = ElCLib::Value(aPar, SecondCirc); | |
113 | if (FirstPoint2.Distance(LastPoint2) > Precision::Confusion()){ | |
114 | if (aPar > LastPar2 || aPar < FirstPar2) | |
115 | { //mySecondPoint is out of Arc of mySecondCircle | |
116 | if (FirstPoint2.Distance(mySecondPoint)< LastPoint2.Distance(mySecondPoint)) | |
117 | mySecondPoint = FirstPoint2; | |
118 | else | |
119 | mySecondPoint = LastPoint2; | |
120 | } | |
121 | } | |
122 | } | |
123 | #ifdef BUC60915 | |
124 | if( !myArrowSizeIsDefined ) | |
125 | #endif | |
126 | myArrowSize = (Min(myFirstCenter.Distance(myFirstPoint), | |
127 | mySecondCenter.Distance(mySecondPoint)))*0.05; | |
128 | ||
129 | Handle(Prs3d_LengthAspect) la = myDrawer->LengthAspect(); | |
130 | Handle(Prs3d_ArrowAspect) arr = la->Arrow1Aspect(); | |
131 | arr->SetLength(myArrowSize); | |
132 | ||
133 | //ota -- end -- | |
134 | ||
135 | DsgPrs_EqualRadiusPresentation::Add(aPresentation, myDrawer, | |
136 | myFirstCenter, mySecondCenter, myFirstPoint, mySecondPoint, myPlane ); | |
137 | } | |
138 | ||
139 | //======================================================================= | |
140 | //function : Compute | |
141 | //purpose : to avoid warning at compilation (SUN) | |
142 | //======================================================================= | |
143 | ||
144 | void AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )& /*aProjector*/, | |
145 | const Handle( Prs3d_Presentation )& /*aPresentation*/) | |
146 | { | |
147 | // Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )&,const Handle( Prs3d_Presentation )& )"); | |
148 | // PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; | |
149 | } | |
150 | ||
151 | //======================================================================= | |
152 | //function : Compute | |
153 | //purpose : to avoid warning at compilation (SUN) | |
154 | //======================================================================= | |
155 | ||
156 | void AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager2d )& /*aPresentationManager2d*/, | |
157 | const Handle( Graphic2d_GraphicObject )& /*aGraphicObject*/, | |
158 | const Standard_Integer /*anInteger*/) | |
159 | { | |
160 | // Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager2d )&,const Handle( Graphic2d_GraphicObject )&,const Standard_Integer )"); | |
161 | // PrsMgr_PresentableObject::Compute( aPresentationManager2d ,aGraphicObject,anInteger) ; | |
162 | } | |
163 | ||
164 | //======================================================================= | |
165 | //function : Compute | |
166 | //purpose : | |
167 | //======================================================================= | |
168 | ||
169 | void AIS_EqualRadiusRelation::Compute(const Handle_Prs3d_Projector& aProjector, | |
170 | const Handle_Geom_Transformation& aTransformation, | |
171 | const Handle_Prs3d_Presentation& aPresentation) | |
172 | { | |
173 | // Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute(const Handle_Prs3d_Projector&, const Handle_Geom_Transformation&, const Handle_Prs3d_Presentation&)"); | |
174 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; | |
175 | } | |
176 | ||
177 | //======================================================================= | |
178 | //function : ComputeSelection | |
179 | //purpose : | |
180 | //======================================================================= | |
181 | ||
182 | void AIS_EqualRadiusRelation::ComputeSelection( const Handle( SelectMgr_Selection )& aSelection, | |
183 | const Standard_Integer ) | |
184 | { | |
185 | Handle( SelectMgr_EntityOwner ) own = new SelectMgr_EntityOwner( this, 7 ); | |
186 | Handle( Select3D_SensitiveSegment ) seg; | |
187 | ||
188 | seg = new Select3D_SensitiveSegment( own, myFirstCenter, myFirstPoint ); | |
189 | aSelection->Add( seg ); | |
190 | ||
191 | if(!myAutomaticPosition) | |
192 | ComputeRadiusPosition(); | |
193 | ||
194 | seg = new Select3D_SensitiveSegment( own, mySecondCenter, mySecondPoint ); | |
195 | aSelection->Add( seg ); | |
196 | ||
197 | seg = new Select3D_SensitiveSegment( own, myFirstCenter, mySecondCenter ); | |
198 | aSelection->Add( seg ); | |
199 | ||
200 | ||
201 | // Two small lines | |
202 | gp_Pnt Middle( (myFirstCenter.XYZ() + mySecondCenter.XYZ())*0.5 ); | |
203 | ||
204 | Standard_Real SmallDist = .001; | |
205 | //Should be changed as the domain of small lines could be changed. | |
206 | Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox(own, | |
207 | Middle.X() - SmallDist, | |
208 | Middle.Y() - SmallDist, | |
209 | Middle.Z() - SmallDist, | |
210 | Middle.X() + SmallDist, | |
211 | Middle.Y() + SmallDist, | |
212 | Middle.Z() + SmallDist ); | |
213 | aSelection->Add(box); | |
214 | } | |
215 | ||
216 | //================================================================= | |
217 | //function : ComputeRadiusPosition | |
218 | //purpose : | |
219 | //================================================================= | |
220 | void AIS_EqualRadiusRelation::ComputeRadiusPosition() | |
221 | { | |
222 | if (myAutomaticPosition || | |
223 | myFirstCenter.Distance(myPosition) < Precision::Confusion() || | |
224 | mySecondCenter.Distance(myPosition) < Precision::Confusion()) | |
225 | return; | |
226 | ||
227 | gp_Pnt aPosition; | |
228 | ||
229 | //project myPosition to the plane of constraint | |
230 | GeomAPI_ProjectPointOnSurf aProj(myPosition, myPlane); | |
231 | aPosition = aProj.NearestPoint(); | |
232 | ||
233 | Standard_Real aDist1 = myFirstPoint.Distance(aPosition); | |
234 | Standard_Real aDist2 = mySecondPoint.Distance(aPosition); | |
235 | ||
236 | if(aDist1<aDist2) | |
237 | { | |
238 | Standard_Real Rad1 = myFirstPoint.Distance(myFirstCenter); | |
239 | const gp_Dir aNewDir1(aPosition.XYZ() - myFirstCenter.XYZ()); | |
240 | const gp_Vec aTVec (aNewDir1.XYZ()*Rad1); | |
241 | myFirstPoint = myFirstCenter.Translated(aTVec); | |
242 | } | |
243 | else { | |
244 | Standard_Real Rad2 = mySecondPoint.Distance(mySecondCenter); | |
245 | const gp_Dir aNewDir2(aPosition.XYZ() - mySecondCenter.XYZ()); | |
246 | gp_Vec aTVec (aNewDir2.XYZ()*Rad2); | |
247 | mySecondPoint = mySecondCenter.Translated(aTVec); | |
248 | } | |
249 | ||
250 | } | |
251 |