| -verbose 7 | Verbosity of output. |
| -datatype u | Data type (default: byte). |
| -images 12 | Number of images (default: 1). |
| -size 10,50,8 | Size (default: 256,256,1). |
| -sampling 1.5,1.5,1.5 | Sampling (default: 1,1,1; a single value can be given). |
| -origin 0,-10,30 | Set the origin (default image origin). |
| -minmax -1.2,5.6 | Set minimum and maximum of input and uniform random image (default: -1.732,1.732). |
| -avgstd 0.5,2.3 | Set average and standard deviation of input and non-uniform random image (default: 0,1). |
| -alpha 2 | Spectral noise decay (default: white=0, pink=1, red/brown=2, blue=-1, violet=-2). |
| -snr 1.4,63 | Signal-to-noise ratio and foreground radius (default: 1). |
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