[GRASS-user] Re: change the cell value of a geotiff

maven apache apachemaven0 at gmail.com
Wed Jan 20 08:44:48 EST 2010

2010/1/20 maven apache <apachemaven0 at gmail.com>

> Hi:
> I have a geotiff now, and some cells have a not-expected value, so I want
> to Interpolation them, and I notice that there is a command named
> r.fillnull, however the cell to be changed is not null, so I want to :
> 1) change the special  cell value to null
> 2) use the r.fillnull to Interpolation.
> The problem is I do not know how to do the step 1 with grass, anyone can do
> me a favor?
> Thanks.
Anyone ?
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