0025773: Visualization - remove AIS_Drawer class and transfer its Link() logic to...
[occt.git] / src / AIS / AIS_EqualRadiusRelation.cxx
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b311480e 1// Created on: 1998-01-20
2// Created by: Julia GERASIMOVA
3// Copyright (c) 1998-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 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
973c2be1 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.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
7fd59977 17#include <Standard_NotImplemented.hxx>
18
19#include <AIS_EqualRadiusRelation.ixx>
20
21#include <AIS.hxx>
22#include <DsgPrs_EqualRadiusPresentation.hxx>
23#include <BRepAdaptor_Curve.hxx>
24#include <TopoDS.hxx>
25#include <gp_Circ.hxx>
26#include <Geom_Circle.hxx>
27#include <ElCLib.hxx>
28#include <SelectMgr_EntityOwner.hxx>
29#include <Select3D_SensitiveSegment.hxx>
30#include <Select3D_SensitiveBox.hxx>
31#include <Precision.hxx>
32#include <GeomAPI_ProjectPointOnSurf.hxx>
a6eb515f 33#include <Prs3d_DimensionAspect.hxx>
7fd59977 34#include <Prs3d_ArrowAspect.hxx>
6262338c 35#include <Prs3d_Drawer.hxx>
7fd59977 36
37//=======================================================================
38//function : AIS_EqualRadiusRelation
39//purpose :
40//=======================================================================
41
42AIS_EqualRadiusRelation::AIS_EqualRadiusRelation( const TopoDS_Edge& aFirstEdge,
43 const TopoDS_Edge& aSecondEdge,
44 const Handle( Geom_Plane )& aPlane )
45 :AIS_Relation()
46{
47 myFShape = aFirstEdge;
48 mySShape = aSecondEdge;
49 myPlane = aPlane;
50}
51
52//=======================================================================
53//function : Compute
54//purpose :
55//=======================================================================
56
57void AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager3d )&,
58 const Handle( Prs3d_Presentation )& aPresentation,
59 const Standard_Integer )
60{
61 aPresentation->Clear();
62
63 BRepAdaptor_Curve FirstCurve( TopoDS::Edge( myFShape ) ), SecondCurve( TopoDS::Edge( mySShape ) );
64
65 Standard_Real FirstPar1 = FirstCurve.FirstParameter(), LastPar1 = FirstCurve.LastParameter(),
66 FirstPar2 = SecondCurve.FirstParameter(), LastPar2 = SecondCurve.LastParameter();
67
68 Handle( Geom_Curve ) FirstProjCurve = FirstCurve.Curve().Curve(),
69 SecondProjCurve = SecondCurve.Curve().Curve();
70 gp_Pnt FirstPoint1, LastPoint1, FirstPoint2, LastPoint2;
71 Standard_Boolean isFirstOnPlane, isSecondOnPlane;
72
73 AIS::ComputeGeomCurve( FirstProjCurve, FirstPar1, LastPar1, FirstPoint1, LastPoint1, myPlane, isFirstOnPlane );
74 AIS::ComputeGeomCurve( SecondProjCurve, FirstPar2, LastPar2, FirstPoint2, LastPoint2, myPlane, isSecondOnPlane );
75
76 if (!isFirstOnPlane)
77 ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( myFShape ), FirstProjCurve, FirstPoint1, LastPoint1 );
78 if (! isSecondOnPlane)
79 ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( mySShape ), SecondProjCurve, FirstPoint2, LastPoint2 );
80
81 gp_Circ FirstCirc = (Handle( Geom_Circle )::DownCast( FirstProjCurve ))->Circ();
82 gp_Circ SecondCirc = (Handle( Geom_Circle )::DownCast( SecondProjCurve ))->Circ();
83
84 myFirstCenter = FirstCirc.Location();
85 mySecondCenter = SecondCirc.Location();
86
87 //ota -- begin --
88 if (myAutomaticPosition)
89 {
90 myFirstPoint = ElCLib::Value( (FirstPar1 + LastPar1)*0.5, FirstCirc );
91 mySecondPoint = ElCLib::Value( (FirstPar2 + LastPar2)*0.5, SecondCirc );
92 }
93 else {
94 Standard_Real aPar = ElCLib::Parameter(FirstCirc, myFirstPoint);
c6541a0c
D
95 if (IntegerPart(0.5*LastPar1/M_PI) != 0 && aPar < FirstPar1 )
96 aPar +=2*M_PI*IntegerPart(0.5*LastPar1/M_PI);
7fd59977 97 Standard_Real aRadius = FirstCirc.Radius();
98
99 if (Abs(myFirstPoint.Distance(myFirstCenter) - aRadius) >= Precision::Confusion())
100 myFirstPoint = ElCLib::Value(aPar, FirstCirc);
101 if ( FirstPoint1.Distance(LastPoint1) > Precision::Confusion()){
102 //check where is myFirstPoint
103 if (aPar > LastPar1 || aPar < FirstPar1)
104 {
105 //myFirstPoint is out of Arc of FirstCircle
106 if (FirstPoint1.Distance(myFirstPoint)< LastPoint1.Distance(myFirstPoint))
107 myFirstPoint = FirstPoint1;
108 else
109 myFirstPoint = LastPoint1;
110 }
111 }
112
113
114 aPar = ElCLib::Parameter(SecondCirc, mySecondPoint);
c6541a0c
D
115 if (IntegerPart(0.5*LastPar2/M_PI) != 0 && aPar < FirstPar2 )
116 aPar +=2*M_PI*IntegerPart(0.5*LastPar2/M_PI);
7fd59977 117
118 aRadius = SecondCirc.Radius();
119 if (Abs(mySecondPoint.Distance(mySecondCenter) - aRadius) >= Precision::Confusion())
120 mySecondPoint = ElCLib::Value(aPar, SecondCirc);
121 if (FirstPoint2.Distance(LastPoint2) > Precision::Confusion()){
122 if (aPar > LastPar2 || aPar < FirstPar2)
123 { //mySecondPoint is out of Arc of mySecondCircle
124 if (FirstPoint2.Distance(mySecondPoint)< LastPoint2.Distance(mySecondPoint))
125 mySecondPoint = FirstPoint2;
126 else
127 mySecondPoint = LastPoint2;
128 }
129 }
130 }
7fd59977 131 if( !myArrowSizeIsDefined )
7fd59977 132 myArrowSize = (Min(myFirstCenter.Distance(myFirstPoint),
133 mySecondCenter.Distance(mySecondPoint)))*0.05;
134
a6eb515f 135 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
136 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
7fd59977 137 arr->SetLength(myArrowSize);
138
139 //ota -- end --
140
141 DsgPrs_EqualRadiusPresentation::Add(aPresentation, myDrawer,
142 myFirstCenter, mySecondCenter, myFirstPoint, mySecondPoint, myPlane );
143}
144
145//=======================================================================
146//function : Compute
147//purpose : to avoid warning at compilation (SUN)
148//=======================================================================
149
150void AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )& /*aProjector*/,
151 const Handle( Prs3d_Presentation )& /*aPresentation*/)
152{
153// Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )&,const Handle( Prs3d_Presentation )& )");
154// PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
155}
156
157//=======================================================================
158//function : Compute
7fd59977 159//purpose :
160//=======================================================================
161
857ffd5e 162void AIS_EqualRadiusRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
163 const Handle(Geom_Transformation)& aTransformation,
164 const Handle(Prs3d_Presentation)& aPresentation)
7fd59977 165{
857ffd5e 166// Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
7fd59977 167 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
168}
169
170//=======================================================================
171//function : ComputeSelection
172//purpose :
173//=======================================================================
174
175void AIS_EqualRadiusRelation::ComputeSelection( const Handle( SelectMgr_Selection )& aSelection,
176 const Standard_Integer )
177{
178 Handle( SelectMgr_EntityOwner ) own = new SelectMgr_EntityOwner( this, 7 );
179 Handle( Select3D_SensitiveSegment ) seg;
180
181 seg = new Select3D_SensitiveSegment( own, myFirstCenter, myFirstPoint );
182 aSelection->Add( seg );
183
184 if(!myAutomaticPosition)
185 ComputeRadiusPosition();
186
187 seg = new Select3D_SensitiveSegment( own, mySecondCenter, mySecondPoint );
188 aSelection->Add( seg );
189
190 seg = new Select3D_SensitiveSegment( own, myFirstCenter, mySecondCenter );
191 aSelection->Add( seg );
192
193
194 // Two small lines
195 gp_Pnt Middle( (myFirstCenter.XYZ() + mySecondCenter.XYZ())*0.5 );
196
197 Standard_Real SmallDist = .001;
198 //Should be changed as the domain of small lines could be changed.
199 Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox(own,
200 Middle.X() - SmallDist,
201 Middle.Y() - SmallDist,
202 Middle.Z() - SmallDist,
203 Middle.X() + SmallDist,
204 Middle.Y() + SmallDist,
205 Middle.Z() + SmallDist );
206 aSelection->Add(box);
207}
208
209//=================================================================
210//function : ComputeRadiusPosition
211//purpose :
212//=================================================================
213void AIS_EqualRadiusRelation::ComputeRadiusPosition()
214{
215 if (myAutomaticPosition ||
216 myFirstCenter.Distance(myPosition) < Precision::Confusion() ||
217 mySecondCenter.Distance(myPosition) < Precision::Confusion())
218 return;
219
220 gp_Pnt aPosition;
221
222 //project myPosition to the plane of constraint
223 GeomAPI_ProjectPointOnSurf aProj(myPosition, myPlane);
224 aPosition = aProj.NearestPoint();
225
226 Standard_Real aDist1 = myFirstPoint.Distance(aPosition);
227 Standard_Real aDist2 = mySecondPoint.Distance(aPosition);
228
229 if(aDist1<aDist2)
230 {
231 Standard_Real Rad1 = myFirstPoint.Distance(myFirstCenter);
232 const gp_Dir aNewDir1(aPosition.XYZ() - myFirstCenter.XYZ());
233 const gp_Vec aTVec (aNewDir1.XYZ()*Rad1);
234 myFirstPoint = myFirstCenter.Translated(aTVec);
235 }
236 else {
237 Standard_Real Rad2 = mySecondPoint.Distance(mySecondCenter);
238 const gp_Dir aNewDir2(aPosition.XYZ() - mySecondCenter.XYZ());
239 gp_Vec aTVec (aNewDir2.XYZ()*Rad2);
240 mySecondPoint = mySecondCenter.Translated(aTVec);
241 }
242
243}
244