3 void region_marker(Float_t a=10, Float_t x=0, Float_t y=0, Float_t z=0)
5 TPolyMarker3D* mark = new TPolyMarker3D(8);
6 mark->SetName("Origin marker");
7 mark->SetMarkerStyle(3);
8 mark->SetMarkerColor(6);
9 mark->SetPoint(0, x+a, y+a, z+a);
10 mark->SetPoint(1, x+a, y-a, z+a);
11 mark->SetPoint(2, x-a, y-a, z+a);
12 mark->SetPoint(3, x-a, y+a, z+a);
14 mark->SetPoint(4, x+a, y+a, z-a);
15 mark->SetPoint(5, x+a, y-a, z-a);
16 mark->SetPoint(6, x-a, y+a, z-a);
17 mark->SetPoint(7, x-a, y-a, z-a);
20 Color_t* colp = FindColorVar(mark, "fMarkerColor");
21 RenderElementObjPtr* rnrEl = new RenderElementObjPtr(mark, *colp);
22 gReve->AddGlobalRenderElement(rnrEl);
23 gReve->DrawRenderElement(rnrEl);