Several command line options are available to tune
performance, display built-in help text, and set output verbosity.
- +V: Enable verbose status messages, including reporting of
the total number of parallel nodes, per-node processor counts,
information on the construction of spatial subdivision acceleration
structures, generation of MIP maps for textures, etc.
- -V: Disable verbose status messages.
- -nosave: disable saving of output images to disk files. This
feature is normally only used when benchmarking, or when using one of
the OpenGL-enabled Tachyon configurations which provide runtime display
of rendered images.
- -camfile filename: run a fly-through animation from
the named camera file.
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