Ned Horning wrote:
> Next, I will need to sample the multispectral image data by
> selecting 500 randomly selected pixels that fall under the
> forest polygons and another 500 pixels from under the
> non-forest polygons. How can I do this in GRASS?
Hi,
for that step you might consider the v.rand
Hi Ned,
On Wed, Feb 4, 2009 at 11:45 AM, Daniel Victoria
wrote:
> Check out r.what manual page [1], specially the part about using input
> from a text file or, better yet, sending the output from v.out.ascii
> to r.what.
another option may be:
v.what.rast: Uploads raster values at positions of
Hi Ned,
Check out r.what manual page [1], specially the part about using input
from a text file or, better yet, sending the output from v.out.ascii
to r.what.
Basicaly, what you do after having your points is export their
coordinates using v.out.ascii and pipe it to r.what. The query will be
dump
Greetings,
I am looking into the possibility of using GRASS with the R Random
Forest algorithm to create a land cover classification. I read the
Furlanello, Neteler et al. paper (very nice) and some others but I need
some help with the details. My problem is somewhat different from the
Furlan
