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 /***********************************************************************
18 Classe V3d_CircularGrid :
21 --------------------------------
22 IMP230300: GG The color fields and methods have moved in Aspect_Grid
25 ************************************************************************/
27 #define IMP200100 //GG
28 // -> Compute the case Aspect_GDM_None
29 // -> Initialize the grid size according to the
30 // viewer default size.
32 #define IMP200300 //GG
33 // -> Recompute the grid when any graphic parameter is
36 #define IMP300300 //GG
37 // -> Draw circles with 2 colors (tenth and normal colors)
39 /*----------------------------------------------------------------------*/
44 #include <V3d_CircularGrid.ixx>
46 #include <TColStd_Array2OfReal.hxx>
47 #include <Graphic3d_AspectLine3d.hxx>
48 #include <Graphic3d_AspectMarker3d.hxx>
49 #include <Graphic3d_Vertex.hxx>
50 #include <Graphic3d_Array1OfVertex.hxx>
51 #include <Graphic3d_ArrayOfSegments.hxx>
52 #include <Graphic3d_ArrayOfPoints.hxx>
53 #include <Graphic3d_ArrayOfPolylines.hxx>
54 #include <Visual3d_ViewManager.hxx>
55 #include <V3d_Viewer.hxx>
56 #include <TColgp_SequenceOfPnt.hxx>
58 /*----------------------------------------------------------------------*/
67 /*----------------------------------------------------------------------*/
69 V3d_CircularGrid::V3d_CircularGrid (const V3d_ViewerPointer& aViewer, const Quantity_Color& aColor, const Quantity_Color& aTenthColor)
70 : Aspect_CircularGrid (1.,8),
71 myStructure (new Graphic3d_Structure (aViewer->Viewer ())),
72 myGroup (new Graphic3d_Group (myStructure)),
74 myCurAreDefined (Standard_False)
77 myTenthColor = aTenthColor;
79 myStructure->SetInfiniteState (Standard_True);
81 const Standard_Real step = 10.;
82 const Standard_Real size = 0.5*myViewer->DefaultViewSize();
83 SetGraphicValues (size, step/MYFACTOR);
87 void V3d_CircularGrid::SetColors (const Quantity_Color& aColor, const Quantity_Color& aTenthColor)
89 if( myColor != aColor || myTenthColor != aTenthColor ) {
91 myTenthColor = aTenthColor;
92 myCurAreDefined = Standard_False;
97 void V3d_CircularGrid::Display ()
99 myStructure->Display (1);
102 void V3d_CircularGrid::Erase () const
104 myStructure->Erase ();
107 Standard_Boolean V3d_CircularGrid::IsDisplayed () const
109 return myStructure->IsDisplayed ();
112 void V3d_CircularGrid::UpdateDisplay ()
114 gp_Ax3 ThePlane = myViewer->PrivilegedPlane();
116 Standard_Real xl, yl, zl;
117 Standard_Real xdx, xdy, xdz;
118 Standard_Real ydx, ydy, ydz;
119 Standard_Real dx, dy, dz;
120 ThePlane.Location ().Coord (xl, yl, zl);
121 ThePlane.XDirection ().Coord (xdx, xdy, xdz);
122 ThePlane.YDirection ().Coord (ydx, ydy, ydz);
123 ThePlane.Direction ().Coord (dx, dy, dz);
125 Standard_Boolean MakeTransform = !myCurAreDefined;
128 MakeTransform = (RotationAngle() != myCurAngle || XOrigin() != myCurXo || YOrigin() != myCurYo);
131 Standard_Real curxl, curyl, curzl;
132 Standard_Real curxdx, curxdy, curxdz;
133 Standard_Real curydx, curydy, curydz;
134 Standard_Real curdx, curdy, curdz;
135 myCurViewPlane.Location ().Coord (curxl, curyl, curzl);
136 myCurViewPlane.XDirection ().Coord (curxdx, curxdy, curxdz);
137 myCurViewPlane.YDirection ().Coord (curydx, curydy, curydz);
138 myCurViewPlane.Direction ().Coord (curdx, curdy, curdz);
139 if (xl != curxl || yl != curyl || zl != curzl ||
140 xdx != curxdx || xdy != curxdy || xdz != curxdz ||
141 ydx != curydx || ydy != curydy || ydz != curydz ||
142 dx != curdx || dy != curdy || dz != curdz)
143 MakeTransform = Standard_True;
149 const Standard_Real CosAlpha = Cos (RotationAngle ());
150 const Standard_Real SinAlpha = Sin (RotationAngle ());
151 TColStd_Array2OfReal Trsf (1, 4, 1, 4);
153 Trsf (4, 1) = Trsf (4, 2) = Trsf (4, 3) = 0.0;
158 // Transformation change of marker
168 myStructure->SetTransform (Trsf, Graphic3d_TOC_REPLACE);
170 // Translation of the origin
171 Trsf (1, 4) = -XOrigin (),
172 Trsf (2, 4) = -YOrigin (),
174 // Rotation Alpha around axis -Z
175 Trsf (1, 1) = CosAlpha,
176 Trsf (2, 1) = -SinAlpha,
178 Trsf (1, 2) = SinAlpha,
179 Trsf (2, 2) = CosAlpha,
184 myStructure->SetTransform (Trsf,Graphic3d_TOC_POSTCONCATENATE);
186 myCurAngle = RotationAngle ();
187 myCurXo = XOrigin (), myCurYo = YOrigin ();
188 myCurViewPlane = ThePlane;
194 //case Aspect_GDM_Points:
196 myCurDrawMode = Aspect_GDM_Points;
198 case Aspect_GDM_Lines:
200 myCurDrawMode = Aspect_GDM_Lines;
203 case Aspect_GDM_None:
204 myCurDrawMode = Aspect_GDM_None;
208 myCurAreDefined = Standard_True;
211 void V3d_CircularGrid::DefineLines ()
213 const Standard_Real aStep = RadiusStep ();
214 const Standard_Real aDivision = DivisionNumber ();
215 const Standard_Boolean toUpdate = !myCurAreDefined
216 || myCurDrawMode != Aspect_GDM_Lines
217 || aDivision != myCurDivi
218 || aStep != myCurStep;
226 Handle(Graphic3d_AspectLine3d) LineAttrib = new Graphic3d_AspectLine3d ();
227 LineAttrib->SetColor (myColor);
228 LineAttrib->SetType (Aspect_TOL_SOLID);
229 LineAttrib->SetWidth (1.0);
231 const Standard_Integer Division = (Standard_Integer )( (aDivision >= DIVISION ? aDivision : DIVISION));
233 Standard_Integer nbpnts = 2 * Division;
235 Standard_Real alpha = M_PI / aDivision;
236 LineAttrib->SetColor (myTenthColor);
237 myGroup->SetGroupPrimitivesAspect (LineAttrib);
238 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2*nbpnts);
239 const gp_Pnt p0(0., 0., -myOffSet);
240 for (Standard_Integer i=1; i<=nbpnts; i++) {
241 aPrims->AddVertex(p0);
242 aPrims->AddVertex(Cos(alpha*i)*myRadius, Sin(alpha*i)*myRadius, -myOffSet);
244 myGroup->AddPrimitiveArray(aPrims, Standard_False);
247 nbpnts = 2 * Division + 1;
248 alpha = M_PI / Division;
249 Standard_Integer nblines = 0;
250 TColgp_SequenceOfPnt aSeqLines, aSeqTenth;
251 for (Standard_Real r=aStep; r<=myRadius; r+=aStep, nblines++) {
252 const Standard_Boolean isTenth = (Modulus(nblines, 10) == 0);
253 for (Standard_Integer i=0; i<nbpnts; i++) {
254 const gp_Pnt pt(Cos(alpha*i)*r,Sin(alpha*i)*r,-myOffSet);
255 (isTenth? aSeqTenth : aSeqLines).Append(pt);
258 if (aSeqTenth.Length())
260 LineAttrib->SetColor (myTenthColor);
261 myGroup->SetGroupPrimitivesAspect (LineAttrib);
262 Standard_Integer n, np;
263 const Standard_Integer nbl = aSeqTenth.Length() / nbpnts;
264 Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(aSeqTenth.Length(),nbl);
265 for (np = 1, n=0; n<nbl; n++) {
266 aPrims->AddBound(nbpnts);
267 for (Standard_Integer i=0; i<nbpnts; i++, np++)
268 aPrims->AddVertex(aSeqTenth(np));
270 myGroup->AddPrimitiveArray(aPrims, Standard_False);
272 if (aSeqLines.Length())
274 LineAttrib->SetColor (myColor);
275 myGroup->SetPrimitivesAspect (LineAttrib);
276 Standard_Integer n, np;
277 const Standard_Integer nbl = aSeqLines.Length() / nbpnts;
278 Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(aSeqLines.Length(),nbl);
279 for (np = 1, n=0; n<nbl; n++) {
280 aPrims->AddBound(nbpnts);
281 for (Standard_Integer i=0; i<nbpnts; i++, np++)
282 aPrims->AddVertex(aSeqLines(np));
284 myGroup->AddPrimitiveArray(aPrims, Standard_False);
287 myGroup->SetMinMaxValues(-myRadius, -myRadius, 0.0, myRadius, myRadius, 0.0);
288 myCurStep = aStep, myCurDivi = (Standard_Integer ) aDivision;
291 void V3d_CircularGrid::DefinePoints ()
293 const Standard_Real aStep = RadiusStep();
294 const Standard_Real aDivision = DivisionNumber();
295 const Standard_Boolean toUpdate = !myCurAreDefined
296 || myCurDrawMode != Aspect_GDM_Points
297 || aDivision != myCurDivi
298 || aStep != myCurStep;
306 Handle(Graphic3d_AspectMarker3d) MarkerAttrib = new Graphic3d_AspectMarker3d ();
307 MarkerAttrib->SetColor (myColor);
308 MarkerAttrib->SetType (Aspect_TOM_POINT);
309 MarkerAttrib->SetScale (3.);
311 const Standard_Integer nbpnts = Standard_Integer (2*aDivision);
312 Standard_Real r, alpha = M_PI / aDivision;
315 TColgp_SequenceOfPnt aSeqPnts;
316 aSeqPnts.Append(gp_Pnt(0.0, 0.0, -myOffSet));
317 for (r=aStep; r<=myRadius; r+=aStep) {
318 for (Standard_Integer i=0; i<nbpnts; i++)
319 aSeqPnts.Append(gp_Pnt(Cos(alpha*i)*r, Sin(alpha*i)*r, -myOffSet));
321 myGroup->SetGroupPrimitivesAspect (MarkerAttrib);
322 if (aSeqPnts.Length())
325 const Standard_Integer nbv = aSeqPnts.Length();
326 Handle(Graphic3d_ArrayOfPoints) Cercle = new Graphic3d_ArrayOfPoints (nbv);
327 for (Standard_Integer i=1; i<=nbv; i++)
329 aSeqPnts(i).Coord(X,Y,Z);
330 Cercle->AddVertex (X,Y,Z);
332 myGroup->AddPrimitiveArray (Cercle, Standard_False);
334 myGroup->SetMinMaxValues(-myRadius, -myRadius, 0.0, myRadius, myRadius, 0.0);
336 myCurStep = aStep, myCurDivi = (Standard_Integer ) aDivision;
339 void V3d_CircularGrid::GraphicValues (Standard_Real& theRadius, Standard_Real& theOffSet) const
341 theRadius = myRadius;
342 theOffSet = myOffSet;
345 void V3d_CircularGrid::SetGraphicValues (const Standard_Real theRadius, const Standard_Real theOffSet)
347 if (! myCurAreDefined) {
348 myRadius = theRadius;
349 myOffSet = theOffSet;
351 if (myRadius != theRadius) {
352 myRadius = theRadius;
353 myCurAreDefined = Standard_False;
355 if (myOffSet != theOffSet) {
356 myOffSet = theOffSet;
357 myCurAreDefined = Standard_False;
359 if( !myCurAreDefined ) UpdateDisplay();