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tachyon: parallel ray-tracer

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 RayMaya2008 Version 0.98 TACHYON(1)
 
 
 

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