How to set the resolution in ROOT geometry?

Hi all,
I’m trying to draw the 3D graph of some detecters in the OpenGL view, but I find the resolution rather unsatisfactory. Is there any way I can change the resolution in ROOT geometry?

Thanks a lot.

[quote=“liuk”]Hi all,
I’m trying to draw the 3D graph of some detecters in the OpenGL view, but I find the resolution rather unsatisfactory. Is there any way I can change the resolution in ROOT geometry?

Thanks a lot.[/quote]Can you upload the picture. Normally the OpenGL resolution is defined by your videocard rather by rendering software like ROOT (or speaking “resolution” you meant something different)