Provided by: tachyon_0.99~b2+dfsg-0.4_amd64 bug

NAME

       Tachyon - parallel ray-tracer

DESCRIPTION

       Tachyon  Parallel/Multiprocessor Ray Tracer   Version 0.98 Copyright 1994-2007,    John E.
       Stone  <johns@megapixel.com>   -----------------------------------------------------------
       Unrecognized parameter/option flag: --help Usage:

              tachyon/usr/bin/tachyon modelfile [options]

   Model file formats supported:
              filename.dat -- The model files originated with this package.  filaname.ac  -- AC3D
              model files.  filename.nff -- The NFF scene format used by Eric Haines' SPD.

       Valid         options:           (**          denotes          default          behaviour)
       ---------------------------------------------- Message Options:

       +V verbose messages on

       -V verbose messages off **

   Speed Tuning Options:
       -numthreads xxx
              (** default is auto-determined)

       -nobounding

       -boundthresh xxx
              (** default threshold is 16)

   Shading Options:
       -fullshade
              best quality rendering (and slowest) **

       -mediumshade
              good quality rendering, but no shadows

       -lowshade
              low quality rendering, preview (and fast)

       -lowestshade
              worst quality rendering, preview (and fastest)

   Lighting Options:
       -rescale_lights xxx rescale light intensity values by
              specified factor (performed before other lighting overrides take effect)

       -auto_skylight xxx
              force  use  of  ambient  occlusion lighting, auto-rescaling direct light sources to
              compensate for ambient occlusion factor.  (use value 0.7 as a good starting point)

       -add_skylight xxx
              force use of ambient occlusion lighting, manually-rescaling direct light sources to
              compensate for ambient occlusion factor.

       -skylight_samples xxx number of sample rays to shoot.

   Specular Highlight Shading Options:
       -shade_phong
              Phong specular highlights

       -shade_blinn
              Blinn's specular highlights**

       -shade_blinn_fast
              fast approximation to Blinn's highlights

       -shade_nullphong
              disable specular highlights

   Transparency Shading Options:
       -trans_orig
              Original implementation**

       -trans_vmd
              Opacity post-multiply used by VMD

   Surface Normal/Winding Order Fixup Mode:
       -normalfixup [off | flip | guess]
              (**off is default)

   Antialiasing Options:
       -aasamples xxx
              (maximum supersamples taken per pixel) (** default is 0, or scene file determined)

   Output Options:
       -res Xres Yres
              override scene-defined output image size

       -o outfile.tga
              set output file name

       -clamp clamp pixel values to [0 to 1) (** default)

       -normalize
              normalize pixel values to [0 to 1)

       -gamma val
              normalize apply gamma correction

       -format BMP
              24-bit Windows BMP  (uncompressed)

       -format JPEG
              XXX Not compiled into this binary XXX

       -format PNG
              24-bit PNG          (compressed, lossless)

       -format PPM
              24-bit PPM          (uncompressed)

       -format PPM48
              48-bit PPM          (uncompressed)

       -format PSD48
              48-bit PSD          (uncompressed)

       -format RGB
              24-bit SGI RGB      (uncompressed)

       -format TARGA
              24-bit Targa        (uncompressed) **

   Animation Related Options:
       -camfile filename.cam
              Animate using file of camera positions.

       -nosave
              Disable writing of output frames to disk (only used for doing real-time rendering)

       Copyright        1994-2007,          John       E.       Stone       <johns@megapixel.com>
       ----------------------------------------------------------- Unrecognized  parameter/option
       flag: --version Usage:

              tachyon/usr/bin/tachyon modelfile [options]

   Model file formats supported:
              filename.dat -- The model files originated with this package.  filaname.ac  -- AC3D
              model files.  filename.nff -- The NFF scene format used by Eric Haines' SPD.

       Valid         options:           (**          denotes          default          behaviour)
       ---------------------------------------------- Message Options:

       +V verbose messages on

       -V verbose messages off **

   Speed Tuning Options:
       -numthreads xxx
              (** default is auto-determined)

       -nobounding

       -boundthresh xxx
              (** default threshold is 16)

   Shading Options:
       -fullshade
              best quality rendering (and slowest) **

       -mediumshade
              good quality rendering, but no shadows

       -lowshade
              low quality rendering, preview (and fast)

       -lowestshade
              worst quality rendering, preview (and fastest)

   Lighting Options:
       -rescale_lights xxx rescale light intensity values by
              specified factor (performed before other lighting overrides take effect)

       -auto_skylight xxx
              force  use  of  ambient  occlusion lighting, auto-rescaling direct light sources to
              compensate for ambient occlusion factor.  (use value 0.7 as a good starting point)

       -add_skylight xxx
              force use of ambient occlusion lighting, manually-rescaling direct light sources to
              compensate for ambient occlusion factor.

       -skylight_samples xxx number of sample rays to shoot.

   Specular Highlight Shading Options:
       -shade_phong
              Phong specular highlights

       -shade_blinn
              Blinn's specular highlights**

       -shade_blinn_fast
              fast approximation to Blinn's highlights

       -shade_nullphong
              disable specular highlights

   Transparency Shading Options:
       -trans_orig
              Original implementation**

       -trans_vmd
              Opacity post-multiply used by VMD

   Surface Normal/Winding Order Fixup Mode:
       -normalfixup [off | flip | guess]
              (**off is default)

   Antialiasing Options:
       -aasamples xxx
              (maximum supersamples taken per pixel) (** default is 0, or scene file determined)

   Output Options:
       -res Xres Yres
              override scene-defined output image size

       -o outfile.tga
              set output file name

       -clamp clamp pixel values to [0 to 1) (** default)

       -normalize
              normalize pixel values to [0 to 1)

       -gamma val
              normalize apply gamma correction

       -format BMP
              24-bit Windows BMP  (uncompressed)

       -format JPEG
              XXX Not compiled into this binary XXX

       -format PNG
              24-bit PNG          (compressed, lossless)

       -format PPM
              24-bit PPM          (uncompressed)

       -format PPM48
              48-bit PPM          (uncompressed)

       -format PSD48
              48-bit PSD          (uncompressed)

       -format RGB
              24-bit SGI RGB      (uncompressed)

       -format TARGA
              24-bit Targa        (uncompressed) **

   Animation Related Options:
       -camfile filename.cam
              Animate using file of camera positions.

       -nosave
              Disable writing of output frames to disk (only used for doing real-time rendering)

SEE ALSO

       The  full  documentation  for  Tachyon is maintained as a Texinfo manual.  If the info and
       Tachyon programs are properly installed at your site, the command

              info Tachyon

       should give you access to the complete manual.

Tachyon Parallel/Multiprocessor Ray Tracer   Mays20080.98                              TACHYON(1)