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[occt.git] / src / AIS / AIS_EllipseRadiusDimension.cxx
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b311480e 1// Created on: 1998-01-22
2// Created by: Sergey ZARITCHNY
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
42cf5bc1 18#include <AIS.hxx>
19#include <AIS_EllipseRadiusDimension.hxx>
20#include <BRepAdaptor_Curve.hxx>
21#include <BRepAdaptor_Surface.hxx>
7fd59977 22#include <ElCLib.hxx>
23#include <ElSLib.hxx>
42cf5bc1 24#include <Geom_CylindricalSurface.hxx>
7fd59977 25#include <Geom_Ellipse.hxx>
42cf5bc1 26#include <Geom_Line.hxx>
27#include <Geom_OffsetCurve.hxx>
7fd59977 28#include <Geom_Plane.hxx>
29#include <Geom_Surface.hxx>
7fd59977 30#include <Geom_SurfaceOfLinearExtrusion.hxx>
42cf5bc1 31#include <Geom_SurfaceOfRevolution.hxx>
32#include <Geom_TrimmedCurve.hxx>
7fd59977 33#include <GeomAPI.hxx>
42cf5bc1 34#include <GeomAPI_ExtremaCurveCurve.hxx>
7fd59977 35#include <gp_Ax1.hxx>
36#include <gp_Dir.hxx>
7fd59977 37#include <gp_Elips.hxx>
42cf5bc1 38#include <gp_Lin.hxx>
39#include <gp_Pln.hxx>
40#include <gp_Pnt.hxx>
41#include <gp_Vec.hxx>
7fd59977 42#include <Precision.hxx>
42cf5bc1 43#include <Standard_Type.hxx>
44#include <TCollection_ExtendedString.hxx>
7fd59977 45#include <TopExp_Explorer.hxx>
42cf5bc1 46#include <TopoDS.hxx>
47#include <TopoDS_Shape.hxx>
7fd59977 48
92efcf78 49IMPLEMENT_STANDARD_RTTIEXT(AIS_EllipseRadiusDimension,AIS_Relation)
50
7fd59977 51//=======================================================================
52//function : AIS_EllipseRadiusDimension
53//purpose :
54//=======================================================================
7fd59977 55AIS_EllipseRadiusDimension::AIS_EllipseRadiusDimension(const TopoDS_Shape& aShape,
56 const TCollection_ExtendedString& aText)
57:AIS_Relation()
58{
59 myFShape = aShape;
60 myText = aText;
61// ComputeGeometry( );
62}
63
64//=======================================================================
65//function : ComputeGeometry
66//purpose :
67//=======================================================================
68
69void AIS_EllipseRadiusDimension::ComputeGeometry()
70{
71
72 switch (myFShape.ShapeType()) {
73 case TopAbs_FACE :
74 {
75 // compute one face case
76 ComputeFaceGeometry ();
77 break;
78 }
79 case TopAbs_EDGE:
80 {
81 ComputeEdgeGeometry ();
82 break;
83 }
84 default:
85 break;
86 }
c6541a0c
D		 87 while (myFirstPar > 2*M_PI) myFirstPar -= 2*M_PI;
88 while (myLastPar > 2*M_PI) myLastPar -= 2*M_PI;
89 while (myFirstPar < 0.0) myFirstPar += 2*M_PI;
90 while (myLastPar < 0.0) myLastPar += 2*M_PI;
7fd59977 91}
92
93//=======================================================================
94//function : ComputeFaceGeometry
95//purpose :
96//=======================================================================
97
98void AIS_EllipseRadiusDimension::ComputeFaceGeometry()
99{
100
101 gp_Pln aPln;
102 Handle( Geom_Surface ) aBasisSurf;
103 AIS_KindOfSurface aSurfType;
104 Standard_Real Offset;
105 AIS::GetPlaneFromFace( TopoDS::Face( myFShape),
106 aPln,
107 aBasisSurf,
108 aSurfType,
109 Offset ) ;
110
111 if ( aSurfType == AIS_KOS_Plane )
112 ComputePlanarFaceGeometry( );
113 else
114 ComputeCylFaceGeometry( aSurfType, aBasisSurf, Offset );
115
116}
117
118//=======================================================================
119//function : ComputeCylFaceGeometry
120//purpose : defines Ellipse and plane of dimension
121//=======================================================================
122
123void AIS_EllipseRadiusDimension::ComputeCylFaceGeometry(const AIS_KindOfSurface aSurfType,
124 const Handle( Geom_Surface )& aBasisSurf,
125 const Standard_Real Offset)
126{
127
128 BRepAdaptor_Surface surf1(TopoDS::Face(myFShape));
129 Standard_Real vFirst, vLast;
130 vFirst = surf1.FirstVParameter();
131 vLast = surf1.LastVParameter();
132 Standard_Real vMid = (vFirst + vLast)*0.5;
133 gp_Pln aPlane;
134 gp_Ax1 Axis;
135// Standard_Real Param;
136 if (aSurfType == AIS_KOS_Extrusion)
137 {
138 Axis.SetDirection((Handle( Geom_SurfaceOfLinearExtrusion )::DownCast( aBasisSurf ))
139 ->Direction() );
140 Axis.SetLocation( gp_Pnt((Handle( Geom_SurfaceOfLinearExtrusion )::DownCast( aBasisSurf ))
141 ->Direction().XYZ() ) );
142
143 aPlane.SetAxis(Axis);
144 aPlane.SetLocation(myEllipse.Location());
145 myPlane = new Geom_Plane(aPlane);
146
147 Handle(Geom_Curve) aCurve;
148 aCurve = aBasisSurf->VIso(vMid);
149 if (aCurve->DynamicType() == STANDARD_TYPE(Geom_Ellipse))
150 {
151 myEllipse = Handle(Geom_Ellipse)::DownCast(aCurve)-> Elips();//gp_Elips
152 myIsAnArc = Standard_False;
153 }
154 else if (aCurve->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve)) {
155 Handle(Geom_TrimmedCurve) tCurve = Handle(Geom_TrimmedCurve)::DownCast(aCurve);
156 aCurve = tCurve->BasisCurve();
157 myFirstPar = tCurve->FirstParameter();
158 myLastPar = tCurve->LastParameter();
159 myIsAnArc = Standard_True;
160 if (aCurve->DynamicType() == STANDARD_TYPE(Geom_Ellipse))
161 {
162 myEllipse = Handle(Geom_Ellipse)::DownCast(aCurve)->Elips();//gp_Elips
163 }
164 }
165 else
166 {
9775fa61 167 throw Standard_ConstructionError("AIS:: Not expected type of surface") ;
7fd59977 168 return;
169 }
170
171// Offset
172
173 if(surf1.GetType() == GeomAbs_OffsetSurface)
174 {
175 if(Offset <0.0 && Abs(Offset) > myEllipse.MinorRadius ())
176 {
9775fa61 177 throw Standard_ConstructionError("AIS:: Absolute value of negative offset is larger than MinorRadius");
7fd59977 178 return;
179 }
180
181 myOffsetCurve = new Geom_OffsetCurve(new Geom_Ellipse(myEllipse), Offset,
182 myPlane->Pln().Axis().Direction());
183 myOffset = Offset;
184 myIsOffset = Standard_True;
185 gp_Elips elips = myEllipse;
186 Standard_Real Val = Offset + elips.MajorRadius ();//simulation
187 myEllipse.SetMajorRadius (Val);
188 Val = Offset + elips.MinorRadius ();
189 myEllipse.SetMinorRadius (Val);
190 }
191 else
192 myIsOffset = Standard_False;
193 }
194}
195
196
197//=======================================================================
198//function : ComputePlanarFaceGeometry
199//purpose :
200//=======================================================================
201
202void AIS_EllipseRadiusDimension::ComputePlanarFaceGeometry()
203{
204
205 Standard_Boolean find = Standard_False;
206 gp_Pnt ptfirst,ptend;
207 TopExp_Explorer ExploEd( TopoDS::Face(myFShape), TopAbs_EDGE );
208 for ( ; ExploEd.More(); ExploEd.Next())
209 {
210 TopoDS_Edge curedge = TopoDS::Edge( ExploEd.Current() );
211 Handle(Geom_Curve) curv;
212 Handle(Geom_Ellipse) ellips;
213 if (AIS::ComputeGeometry(curedge,curv,ptfirst,ptend))
214 {
215 if (curv->DynamicType() == STANDARD_TYPE(Geom_Ellipse))
216 {
217 ellips = Handle(Geom_Ellipse)::DownCast(curv);
218 if ( !ellips.IsNull() ) {
219 myEllipse = ellips->Elips();
220 find = Standard_True;
221 break;
222 }
223 }
224 }
225 }
226 if( !find )
227 {
9775fa61 228 throw Standard_ConstructionError("AIS:: Curve is not an ellipsee or is Null") ;
7fd59977 229 return;
230 }
231
232 if ( !ptfirst.IsEqual(ptend, Precision::Confusion()) )
233 {
234 myIsAnArc = Standard_True;
235 myFirstPar = ElCLib::Parameter(myEllipse, ptfirst);
236 myLastPar = ElCLib::Parameter(myEllipse, ptend);
237 }
238 else
239 myIsAnArc = Standard_False;
240
241 BRepAdaptor_Surface surfAlgo (TopoDS::Face(myFShape));
242 myPlane = new Geom_Plane( surfAlgo.Plane() );
243
244}
245
246
247
248//=======================================================================
249//function : ComputeEdgeGeometry
250//purpose :
251//=======================================================================
252
253void AIS_EllipseRadiusDimension::ComputeEdgeGeometry()
254{
255 gp_Pnt ptfirst,ptend;
256 Handle(Geom_Curve) curv;
257 if (!AIS::ComputeGeometry(TopoDS::Edge(myFShape),curv,ptfirst,ptend)) return;
258
259 Handle(Geom_Ellipse) elips = Handle(Geom_Ellipse)::DownCast(curv);
260 if ( elips.IsNull()) return;
261
262 myEllipse = elips->Elips();
263 gp_Pln aPlane;
264 aPlane.SetPosition(gp_Ax3(myEllipse.Position()));
265 myPlane = new Geom_Plane(aPlane);
266
267
268 if ( ptfirst.IsEqual(ptend, Precision::Confusion()) ) {
269 myIsAnArc = Standard_False;
270 }
271 else {
272 myIsAnArc = Standard_True;
273 myFirstPar = ElCLib::Parameter(myEllipse, ptfirst);
274 myLastPar = ElCLib::Parameter(myEllipse, ptend);
275 }
276}
277//=======================================================================
278//function : KindOfDimension
279//purpose :
280//=======================================================================
281 AIS_KindOfDimension AIS_EllipseRadiusDimension::KindOfDimension() const
282{
283 return AIS_KOD_ELLIPSERADIUS;
284}
285
286//=======================================================================
287//function : IsMovable
288//purpose :
289//=======================================================================
290 Standard_Boolean AIS_EllipseRadiusDimension::IsMovable() const
291{
292 return Standard_True;
293}
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