1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
14 #include <V3d_CircularGrid.hxx>
16 #include <Graphic3d_ArrayOfPoints.hxx>
17 #include <Graphic3d_ArrayOfPolylines.hxx>
18 #include <Graphic3d_ArrayOfSegments.hxx>
19 #include <Graphic3d_AspectLine3d.hxx>
20 #include <Graphic3d_AspectMarker3d.hxx>
21 #include <Graphic3d_Group.hxx>
22 #include <Graphic3d_Structure.hxx>
23 #include <Graphic3d_Vertex.hxx>
24 #include <Quantity_Color.hxx>
25 #include <Standard_Type.hxx>
26 #include <TColgp_SequenceOfPnt.hxx>
27 #include <TColStd_Array2OfReal.hxx>
28 #include <V3d_Viewer.hxx>
30 IMPLEMENT_STANDARD_RTTIEXT(V3d_CircularGrid,Aspect_CircularGrid)
32 /*----------------------------------------------------------------------*/
40 /*----------------------------------------------------------------------*/
42 V3d_CircularGrid::V3d_CircularGrid (const V3d_ViewerPointer& aViewer, const Quantity_Color& aColor, const Quantity_Color& aTenthColor)
43 : Aspect_CircularGrid (1.,8),
44 myStructure (new Graphic3d_Structure (aViewer->StructureManager())),
45 myGroup (myStructure->NewGroup()),
47 myCurAreDefined (Standard_False)
50 myTenthColor = aTenthColor;
52 myStructure->SetInfiniteState (Standard_True);
54 const Standard_Real step = 10.;
55 const Standard_Real size = 0.5*myViewer->DefaultViewSize();
56 SetGraphicValues (size, step/MYFACTOR);
60 void V3d_CircularGrid::SetColors (const Quantity_Color& aColor, const Quantity_Color& aTenthColor)
62 if( myColor != aColor || myTenthColor != aTenthColor ) {
64 myTenthColor = aTenthColor;
65 myCurAreDefined = Standard_False;
70 void V3d_CircularGrid::Display ()
72 myStructure->SetDisplayPriority (1);
73 myStructure->Display();
76 void V3d_CircularGrid::Erase () const
78 myStructure->Erase ();
81 Standard_Boolean V3d_CircularGrid::IsDisplayed () const
83 return myStructure->IsDisplayed ();
86 void V3d_CircularGrid::UpdateDisplay ()
88 gp_Ax3 ThePlane = myViewer->PrivilegedPlane();
90 Standard_Real xl, yl, zl;
91 Standard_Real xdx, xdy, xdz;
92 Standard_Real ydx, ydy, ydz;
93 Standard_Real dx, dy, dz;
94 ThePlane.Location ().Coord (xl, yl, zl);
95 ThePlane.XDirection ().Coord (xdx, xdy, xdz);
96 ThePlane.YDirection ().Coord (ydx, ydy, ydz);
97 ThePlane.Direction ().Coord (dx, dy, dz);
99 Standard_Boolean MakeTransform = !myCurAreDefined;
102 MakeTransform = (RotationAngle() != myCurAngle || XOrigin() != myCurXo || YOrigin() != myCurYo);
105 Standard_Real curxl, curyl, curzl;
106 Standard_Real curxdx, curxdy, curxdz;
107 Standard_Real curydx, curydy, curydz;
108 Standard_Real curdx, curdy, curdz;
109 myCurViewPlane.Location ().Coord (curxl, curyl, curzl);
110 myCurViewPlane.XDirection ().Coord (curxdx, curxdy, curxdz);
111 myCurViewPlane.YDirection ().Coord (curydx, curydy, curydz);
112 myCurViewPlane.Direction ().Coord (curdx, curdy, curdz);
113 if (xl != curxl || yl != curyl || zl != curzl ||
114 xdx != curxdx || xdy != curxdy || xdz != curxdz ||
115 ydx != curydx || ydy != curydy || ydz != curydz ||
116 dx != curdx || dy != curdy || dz != curdz)
117 MakeTransform = Standard_True;
123 const Standard_Real CosAlpha = Cos (RotationAngle ());
124 const Standard_Real SinAlpha = Sin (RotationAngle ());
128 // Transformation of change of marker
129 aTrsf.SetValues (xdx, ydx, dx, xl,
133 // Translation of the origin
134 // Rotation Alpha around axis -Z
136 aTrsf2.SetValues ( CosAlpha, SinAlpha, 0.0, -XOrigin(),
137 -SinAlpha, CosAlpha, 0.0, -YOrigin(),
139 aTrsf.Multiply (aTrsf2);
140 myStructure->SetTransformation (new Geom_Transformation (aTrsf));
142 myCurAngle = RotationAngle ();
143 myCurXo = XOrigin (), myCurYo = YOrigin ();
144 myCurViewPlane = ThePlane;
150 //case Aspect_GDM_Points:
152 myCurDrawMode = Aspect_GDM_Points;
154 case Aspect_GDM_Lines:
156 myCurDrawMode = Aspect_GDM_Lines;
159 case Aspect_GDM_None:
160 myCurDrawMode = Aspect_GDM_None;
164 myCurAreDefined = Standard_True;
167 void V3d_CircularGrid::DefineLines ()
169 const Standard_Real aStep = RadiusStep ();
170 const Standard_Real aDivision = DivisionNumber ();
171 const Standard_Boolean toUpdate = !myCurAreDefined
172 || myCurDrawMode != Aspect_GDM_Lines
173 || aDivision != myCurDivi
174 || aStep != myCurStep;
182 const Standard_Integer Division = (Standard_Integer )( (aDivision >= DIVISION ? aDivision : DIVISION));
184 Standard_Integer nbpnts = 2 * Division;
186 Standard_Real alpha = M_PI / aDivision;
188 myGroup->SetGroupPrimitivesAspect (new Graphic3d_AspectLine3d (myTenthColor, Aspect_TOL_SOLID, 1.0));
189 Handle(Graphic3d_ArrayOfSegments) aPrims1 = new Graphic3d_ArrayOfSegments(2*nbpnts);
190 const gp_Pnt p0(0., 0., -myOffSet);
191 for (Standard_Integer i=1; i<=nbpnts; i++) {
192 aPrims1->AddVertex(p0);
193 aPrims1->AddVertex(Cos(alpha*i)*myRadius, Sin(alpha*i)*myRadius, -myOffSet);
195 myGroup->AddPrimitiveArray(aPrims1, Standard_False);
198 nbpnts = 2 * Division + 1;
199 alpha = M_PI / Division;
200 Standard_Integer nblines = 0;
201 TColgp_SequenceOfPnt aSeqLines, aSeqTenth;
202 for (Standard_Real r=aStep; r<=myRadius; r+=aStep, nblines++) {
203 const Standard_Boolean isTenth = (Modulus(nblines, 10) == 0);
204 for (Standard_Integer i=0; i<nbpnts; i++) {
205 const gp_Pnt pt(Cos(alpha*i)*r,Sin(alpha*i)*r,-myOffSet);
206 (isTenth? aSeqTenth : aSeqLines).Append(pt);
209 if (aSeqTenth.Length())
211 myGroup->SetGroupPrimitivesAspect (new Graphic3d_AspectLine3d (myTenthColor, Aspect_TOL_SOLID, 1.0));
212 Standard_Integer n, np;
213 const Standard_Integer nbl = aSeqTenth.Length() / nbpnts;
214 Handle(Graphic3d_ArrayOfPolylines) aPrims2 = new Graphic3d_ArrayOfPolylines(aSeqTenth.Length(),nbl);
215 for (np = 1, n=0; n<nbl; n++) {
216 aPrims2->AddBound(nbpnts);
217 for (Standard_Integer i=0; i<nbpnts; i++, np++)
218 aPrims2->AddVertex(aSeqTenth(np));
220 myGroup->AddPrimitiveArray(aPrims2, Standard_False);
222 if (aSeqLines.Length())
224 myGroup->SetPrimitivesAspect (new Graphic3d_AspectLine3d (myColor, Aspect_TOL_SOLID, 1.0));
225 Standard_Integer n, np;
226 const Standard_Integer nbl = aSeqLines.Length() / nbpnts;
227 Handle(Graphic3d_ArrayOfPolylines) aPrims3 = new Graphic3d_ArrayOfPolylines(aSeqLines.Length(),nbl);
228 for (np = 1, n=0; n<nbl; n++) {
229 aPrims3->AddBound(nbpnts);
230 for (Standard_Integer i=0; i<nbpnts; i++, np++)
231 aPrims3->AddVertex(aSeqLines(np));
233 myGroup->AddPrimitiveArray(aPrims3, Standard_False);
236 myGroup->SetMinMaxValues(-myRadius, -myRadius, 0.0, myRadius, myRadius, 0.0);
237 myCurStep = aStep, myCurDivi = (Standard_Integer ) aDivision;
240 void V3d_CircularGrid::DefinePoints ()
242 const Standard_Real aStep = RadiusStep();
243 const Standard_Real aDivision = DivisionNumber();
244 const Standard_Boolean toUpdate = !myCurAreDefined
245 || myCurDrawMode != Aspect_GDM_Points
246 || aDivision != myCurDivi
247 || aStep != myCurStep;
255 Handle(Graphic3d_AspectMarker3d) MarkerAttrib = new Graphic3d_AspectMarker3d ();
256 MarkerAttrib->SetColor (myColor);
257 MarkerAttrib->SetType (Aspect_TOM_POINT);
258 MarkerAttrib->SetScale (3.);
260 const Standard_Integer nbpnts = Standard_Integer (2*aDivision);
261 Standard_Real r, alpha = M_PI / aDivision;
264 TColgp_SequenceOfPnt aSeqPnts;
265 aSeqPnts.Append(gp_Pnt(0.0, 0.0, -myOffSet));
266 for (r=aStep; r<=myRadius; r+=aStep) {
267 for (Standard_Integer i=0; i<nbpnts; i++)
268 aSeqPnts.Append(gp_Pnt(Cos(alpha*i)*r, Sin(alpha*i)*r, -myOffSet));
270 myGroup->SetGroupPrimitivesAspect (MarkerAttrib);
271 if (aSeqPnts.Length())
274 const Standard_Integer nbv = aSeqPnts.Length();
275 Handle(Graphic3d_ArrayOfPoints) Cercle = new Graphic3d_ArrayOfPoints (nbv);
276 for (Standard_Integer i=1; i<=nbv; i++)
278 aSeqPnts(i).Coord(X,Y,Z);
279 Cercle->AddVertex (X,Y,Z);
281 myGroup->AddPrimitiveArray (Cercle, Standard_False);
283 myGroup->SetMinMaxValues(-myRadius, -myRadius, 0.0, myRadius, myRadius, 0.0);
285 myCurStep = aStep, myCurDivi = (Standard_Integer ) aDivision;
288 void V3d_CircularGrid::GraphicValues (Standard_Real& theRadius, Standard_Real& theOffSet) const
290 theRadius = myRadius;
291 theOffSet = myOffSet;
294 void V3d_CircularGrid::SetGraphicValues (const Standard_Real theRadius, const Standard_Real theOffSet)
296 if (! myCurAreDefined) {
297 myRadius = theRadius;
298 myOffSet = theOffSet;
300 if (myRadius != theRadius) {
301 myRadius = theRadius;
302 myCurAreDefined = Standard_False;
304 if (myOffSet != theOffSet) {
305 myOffSet = theOffSet;
306 myCurAreDefined = Standard_False;
308 if( !myCurAreDefined ) UpdateDisplay();