All of the images above can be regenerated by specifying the appropriate
scene file on the command line of the rayn program
rayn-01.zip (175 KB). The source code is included
in the zip file. Here is a description of the command line parameters for
rayn [@response] [options]
-output <output_file> output image filename (string).
-size <width,height> size of output image (int,int).
-background <red,green,blue> background color (int,int,int).
-scene <scene_file> file containing scene description (string).
Specifies a file from which options are to be read,
one option per line. Options which are specified on
the command line override those in the response file.