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