[S] grey shades in `image'

Thu, 23 Jul 98 17:08 EDT


I am using Version 3.4 Release 1 for Silicon Graphics Iris, IRIX 5.3
of S-Plus on a UNIX system, and an HP Laserjet 4si printer.

I need to produce grey scale images using the `image' command in S-Plus.

When I do this I seem to get 8 shades of grey, although I do not
believe this to be a limitation of the printer. How can I produce
an image of my data matrix with 128 shades of grey?

Andrey Feuerverger
Dept Statistics
Univ of Toronto
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