Functions
checklen(x)
checklen
clip_256(x[, max, min])
clip_256
int_round(x)
int_round
layer_band_images(ims, maps)
layer_band_images
make_threeband_image_process_bandmaps(r, g, ...)
make_threeband_image_process_bandmaps
ok_scan(arr[, xmax, pos])
ok_scan
single_vec_sorted(x[, reverse])
single_vec_sorted