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 <Quantity_Color.hxx>
24 #include <Standard_Type.hxx>
25 #include <TColgp_SequenceOfPnt.hxx>
26 #include <TColStd_Array2OfReal.hxx>
27 #include <V3d_Viewer.hxx>
29 IMPLEMENT_STANDARD_RTTIEXT(V3d_CircularGrid,Aspect_CircularGrid)
33 static const Standard_Real THE_DEFAULT_GRID_STEP = 10.0;
38 //! Dummy implementation of Graphic3d_Structure overriding ::Compute() method for handling Device Lost.
39 class V3d_CircularGrid::CircularGridStructure : public Graphic3d_Structure
43 CircularGridStructure (const Handle(Graphic3d_StructureManager)& theManager, V3d_CircularGrid* theGrid)
44 : Graphic3d_Structure (theManager), myGrid (theGrid) {}
46 //! Override method initiating recomputing in V3d_CircularGrid.
47 virtual void Compute() Standard_OVERRIDE
49 GraphicClear (Standard_False);
50 myGrid->myGroup = NewGroup();
51 myGrid->myCurAreDefined = Standard_False;
52 myGrid->UpdateDisplay();
56 V3d_CircularGrid* myGrid;
59 /*----------------------------------------------------------------------*/
61 V3d_CircularGrid::V3d_CircularGrid (const V3d_ViewerPointer& aViewer, const Quantity_Color& aColor, const Quantity_Color& aTenthColor)
62 : Aspect_CircularGrid (1.,8),
64 myCurAreDefined (Standard_False),
65 myToComputePrs (Standard_False),
66 myCurDrawMode (Aspect_GDM_Lines),
72 myRadius (0.5 * aViewer->DefaultViewSize()),
73 myOffSet (THE_DEFAULT_GRID_STEP / MYFACTOR)
76 myTenthColor = aTenthColor;
78 myStructure = new CircularGridStructure (aViewer->StructureManager(), this);
79 myGroup = myStructure->NewGroup();
80 myStructure->SetInfiniteState (Standard_True);
82 SetRadiusStep (THE_DEFAULT_GRID_STEP);
85 V3d_CircularGrid::~V3d_CircularGrid()
88 if (!myStructure.IsNull())
94 void V3d_CircularGrid::SetColors (const Quantity_Color& aColor, const Quantity_Color& aTenthColor)
96 if( myColor != aColor || myTenthColor != aTenthColor ) {
98 myTenthColor = aTenthColor;
99 myCurAreDefined = Standard_False;
104 void V3d_CircularGrid::Display ()
106 myStructure->SetDisplayPriority (1);
107 myStructure->Display();
111 void V3d_CircularGrid::Erase () const
113 myStructure->Erase ();
116 Standard_Boolean V3d_CircularGrid::IsDisplayed () const
118 return myStructure->IsDisplayed ();
121 void V3d_CircularGrid::UpdateDisplay ()
123 gp_Ax3 ThePlane = myViewer->PrivilegedPlane();
125 Standard_Real xl, yl, zl;
126 Standard_Real xdx, xdy, xdz;
127 Standard_Real ydx, ydy, ydz;
128 Standard_Real dx, dy, dz;
129 ThePlane.Location ().Coord (xl, yl, zl);
130 ThePlane.XDirection ().Coord (xdx, xdy, xdz);
131 ThePlane.YDirection ().Coord (ydx, ydy, ydz);
132 ThePlane.Direction ().Coord (dx, dy, dz);
134 Standard_Boolean MakeTransform = !myCurAreDefined;
137 MakeTransform = (RotationAngle() != myCurAngle || XOrigin() != myCurXo || YOrigin() != myCurYo);
140 Standard_Real curxl, curyl, curzl;
141 Standard_Real curxdx, curxdy, curxdz;
142 Standard_Real curydx, curydy, curydz;
143 Standard_Real curdx, curdy, curdz;
144 myCurViewPlane.Location ().Coord (curxl, curyl, curzl);
145 myCurViewPlane.XDirection ().Coord (curxdx, curxdy, curxdz);
146 myCurViewPlane.YDirection ().Coord (curydx, curydy, curydz);
147 myCurViewPlane.Direction ().Coord (curdx, curdy, curdz);
148 if (xl != curxl || yl != curyl || zl != curzl ||
149 xdx != curxdx || xdy != curxdy || xdz != curxdz ||
150 ydx != curydx || ydy != curydy || ydz != curydz ||
151 dx != curdx || dy != curdy || dz != curdz)
152 MakeTransform = Standard_True;
158 const Standard_Real CosAlpha = Cos (RotationAngle ());
159 const Standard_Real SinAlpha = Sin (RotationAngle ());
163 // Transformation of change of marker
164 aTrsf.SetValues (xdx, ydx, dx, xl,
168 // Translation of the origin
169 // Rotation Alpha around axis -Z
171 aTrsf2.SetValues ( CosAlpha, SinAlpha, 0.0, -XOrigin(),
172 -SinAlpha, CosAlpha, 0.0, -YOrigin(),
174 aTrsf.Multiply (aTrsf2);
175 myStructure->SetTransformation (new Geom_Transformation (aTrsf));
177 myCurAngle = RotationAngle ();
178 myCurXo = XOrigin (), myCurYo = YOrigin ();
179 myCurViewPlane = ThePlane;
184 case Aspect_GDM_Points:
186 myCurDrawMode = Aspect_GDM_Points;
188 case Aspect_GDM_Lines:
190 myCurDrawMode = Aspect_GDM_Lines;
192 case Aspect_GDM_None:
193 myCurDrawMode = Aspect_GDM_None;
196 myCurAreDefined = Standard_True;
199 void V3d_CircularGrid::DefineLines ()
201 const Standard_Real aStep = RadiusStep ();
202 const Standard_Real aDivision = DivisionNumber ();
203 const Standard_Boolean toUpdate = !myCurAreDefined
204 || myCurDrawMode != Aspect_GDM_Lines
205 || aDivision != myCurDivi
206 || aStep != myCurStep;
212 else if (!myStructure->IsDisplayed())
214 myToComputePrs = Standard_True;
218 myToComputePrs = Standard_False;
221 const Standard_Integer Division = (Standard_Integer )( (aDivision >= DIVISION ? aDivision : DIVISION));
223 Standard_Integer nbpnts = 2 * Division;
225 Standard_Real alpha = M_PI / aDivision;
227 myGroup->SetGroupPrimitivesAspect (new Graphic3d_AspectLine3d (myTenthColor, Aspect_TOL_SOLID, 1.0));
228 Handle(Graphic3d_ArrayOfSegments) aPrims1 = new Graphic3d_ArrayOfSegments(2*nbpnts);
229 const gp_Pnt p0(0., 0., -myOffSet);
230 for (Standard_Integer i=1; i<=nbpnts; i++) {
231 aPrims1->AddVertex(p0);
232 aPrims1->AddVertex(Cos(alpha*i)*myRadius, Sin(alpha*i)*myRadius, -myOffSet);
234 myGroup->AddPrimitiveArray(aPrims1, Standard_False);
237 nbpnts = 2 * Division + 1;
238 alpha = M_PI / Division;
239 Standard_Integer nblines = 0;
240 TColgp_SequenceOfPnt aSeqLines, aSeqTenth;
241 for (Standard_Real r=aStep; r<=myRadius; r+=aStep, nblines++) {
242 const Standard_Boolean isTenth = (Modulus(nblines, 10) == 0);
243 for (Standard_Integer i=0; i<nbpnts; i++) {
244 const gp_Pnt pt(Cos(alpha*i)*r,Sin(alpha*i)*r,-myOffSet);
245 (isTenth? aSeqTenth : aSeqLines).Append(pt);
248 if (aSeqTenth.Length())
250 myGroup->SetGroupPrimitivesAspect (new Graphic3d_AspectLine3d (myTenthColor, Aspect_TOL_SOLID, 1.0));
251 Standard_Integer n, np;
252 const Standard_Integer nbl = aSeqTenth.Length() / nbpnts;
253 Handle(Graphic3d_ArrayOfPolylines) aPrims2 = new Graphic3d_ArrayOfPolylines(aSeqTenth.Length(),nbl);
254 for (np = 1, n=0; n<nbl; n++) {
255 aPrims2->AddBound(nbpnts);
256 for (Standard_Integer i=0; i<nbpnts; i++, np++)
257 aPrims2->AddVertex(aSeqTenth(np));
259 myGroup->AddPrimitiveArray(aPrims2, Standard_False);
261 if (aSeqLines.Length())
263 myGroup->SetPrimitivesAspect (new Graphic3d_AspectLine3d (myColor, Aspect_TOL_SOLID, 1.0));
264 Standard_Integer n, np;
265 const Standard_Integer nbl = aSeqLines.Length() / nbpnts;
266 Handle(Graphic3d_ArrayOfPolylines) aPrims3 = new Graphic3d_ArrayOfPolylines(aSeqLines.Length(),nbl);
267 for (np = 1, n=0; n<nbl; n++) {
268 aPrims3->AddBound(nbpnts);
269 for (Standard_Integer i=0; i<nbpnts; i++, np++)
270 aPrims3->AddVertex(aSeqLines(np));
272 myGroup->AddPrimitiveArray(aPrims3, Standard_False);
275 myGroup->SetMinMaxValues (-myRadius, -myRadius, -myOffSet, myRadius, myRadius, -myOffSet);
276 myCurStep = aStep, myCurDivi = (Standard_Integer ) aDivision;
278 // update bounding box
279 myStructure->CalculateBoundBox();
280 myViewer->StructureManager()->Update (myStructure->GetZLayer());
283 void V3d_CircularGrid::DefinePoints ()
285 const Standard_Real aStep = RadiusStep();
286 const Standard_Real aDivision = DivisionNumber();
287 const Standard_Boolean toUpdate = !myCurAreDefined
288 || myCurDrawMode != Aspect_GDM_Points
289 || aDivision != myCurDivi
290 || aStep != myCurStep;
296 else if (!myStructure->IsDisplayed())
298 myToComputePrs = Standard_True;
302 myToComputePrs = Standard_False;
305 Handle(Graphic3d_AspectMarker3d) MarkerAttrib = new Graphic3d_AspectMarker3d ();
306 MarkerAttrib->SetColor (myColor);
307 MarkerAttrib->SetType (Aspect_TOM_POINT);
308 MarkerAttrib->SetScale (3.);
310 const Standard_Integer nbpnts = Standard_Integer (2*aDivision);
311 Standard_Real r, alpha = M_PI / aDivision;
314 TColgp_SequenceOfPnt aSeqPnts;
315 aSeqPnts.Append(gp_Pnt(0.0, 0.0, -myOffSet));
316 for (r=aStep; r<=myRadius; r+=aStep) {
317 for (Standard_Integer i=0; i<nbpnts; i++)
318 aSeqPnts.Append(gp_Pnt(Cos(alpha*i)*r, Sin(alpha*i)*r, -myOffSet));
320 myGroup->SetGroupPrimitivesAspect (MarkerAttrib);
321 if (aSeqPnts.Length())
324 const Standard_Integer nbv = aSeqPnts.Length();
325 Handle(Graphic3d_ArrayOfPoints) Cercle = new Graphic3d_ArrayOfPoints (nbv);
326 for (Standard_Integer i=1; i<=nbv; i++)
328 aSeqPnts(i).Coord(X,Y,Z);
329 Cercle->AddVertex (X,Y,Z);
331 myGroup->AddPrimitiveArray (Cercle, Standard_False);
333 myGroup->SetMinMaxValues (-myRadius, -myRadius, -myOffSet, myRadius, myRadius, -myOffSet);
335 myCurStep = aStep, myCurDivi = (Standard_Integer ) aDivision;
337 // update bounding box
338 myStructure->CalculateBoundBox();
339 myViewer->StructureManager()->Update (myStructure->GetZLayer());
342 void V3d_CircularGrid::GraphicValues (Standard_Real& theRadius, Standard_Real& theOffSet) const
344 theRadius = myRadius;
345 theOffSet = myOffSet;
348 void V3d_CircularGrid::SetGraphicValues (const Standard_Real theRadius, const Standard_Real theOffSet)
350 if (! myCurAreDefined) {
351 myRadius = theRadius;
352 myOffSet = theOffSet;
354 if (myRadius != theRadius) {
355 myRadius = theRadius;
356 myCurAreDefined = Standard_False;
358 if (myOffSet != theOffSet) {
359 myOffSet = theOffSet;
360 myCurAreDefined = Standard_False;
362 if( !myCurAreDefined ) UpdateDisplay();