DESCRIPTION
Tachyon Parallel/Multiprocessor Ray Tracer Version 0.98 Copyright 1994-2007, John E. Stone <[email protected]> ----------------------------------------------------------- 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 <[email protected]> ----------------------------------------------------------- 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)