Use circular layout in graph example
Use circular layout in graph example

Eric89GXL/vispy,drufat/vispy,ghisvail/vispy,michaelaye/vispy,ghisvail/vispy,Eric89GXL/vispy,drufat/vispy,Eric89GXL/vispy,ghisvail/vispy,michaelaye/vispy,michaelaye/vispy,drufat/vispy