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Visualization: graphics cards and 3D: Difference between revisions
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== graphics cards and drivers == | == graphics cards and drivers (Linux) == | ||
For 3D applications like COOT and O, only recently (2007) cheap hardware has become fast enough to ''not'' require proprietary drivers. Proprietary drivers are not open-source and are usually not distributed with the [[Linux distros]]. Some distros make it easy to install them through their usual installation tools, for other distros you have to install and maintain them yourself. | |||
Some graphics cards (NVidia: starting with GeForce x600) are fast enough for useful 3D work with the drivers (in case of NVidia, the nv driver) that are part of Xorg. | |||
If the Xorg driver is installed, the output of "glxinfo|head" is something like: | |||
name of display: :0.0 | |||
display: :0 screen: 0 | |||
direct rendering: No | |||
server glx vendor string: SGI | |||
server glx version string: 1.2 | |||
server glx extensions: | |||
GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating, | |||
GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method, | |||
GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_hyperpipe, | |||
GLX_SGIX_swap_barrier, GLX_SGIX_fbconfig, GLX_MESA_copy_sub_buffer | |||
client glx vendor string: SGI | |||
=== NVidia === | === NVidia === | ||
NVidia cards are most popular for visualization. The proprietary driver is stable, and even the cheapest cards are suitable for crystallographic work. | |||
* [http://www.nvidia.com NVidia] - proprietary driver download for Linux at [http://www.nvidia.com/object/unix.html] | * [http://www.nvidia.com NVidia] - proprietary driver download for Linux at [http://www.nvidia.com/object/unix.html] | ||
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client glx vendor string: NVIDIA Corporation | client glx vendor string: NVIDIA Corporation | ||
</code> | </code> | ||
==== maintaining the NVidia driver ==== | ==== maintaining the NVidia driver ==== | ||