[GRASS5] bugfixes r.los/r.buffer: NULL

Markus Neteler neteler at itc.it
Wed Nov 28 19:35:50 EST 2001

Good night,

I have applied bugfixes to r.los and r.buffer to make
them write NULL instead of ZERO.

Hope that's fine with everybody,


PS: Do we need to keep r.describe? Or is r.stats sufficient?

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