.. _group__a3d__publish___a3_d_p_o_s_t_e_r_d_r_v:

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Driver selection with A3DPOSTERDRV
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A3DPOSTERDRV is an environment variable for selecting a graphics driver. By default, HOOPS Publish will priorize DirectX on Windows then OpenGL. On Linux it will use OpenGL.

A3DPOSTERDRV can be set to one of:


- DX11
- OGL2
- OGL2MESA


