V3d_CircularGrid::V3d_CircularGrid (const V3d_ViewerPointer& aViewer, const Quantity_Color& aColor, const Quantity_Color& aTenthColor)
: Aspect_CircularGrid (1.,8),
myStructure (new Graphic3d_Structure (aViewer->Viewer ())),
- myGroup (new Graphic3d_Group (myStructure)),
+ myGroup (myStructure->NewGroup()),
myViewer (aViewer),
myCurAreDefined (Standard_False)
{