Hi Micha,
Thank you for your email. Your script is very interesting, but I think I
cannot use it because:
1- you make a sum of your viewshed list, and each viewshed value is 0 or
1 (hidden or visible). But my problem is with viewshed values from 0
upto 250 (for each viewshed this is the
On 2/16/19 12:00 PM, Frank David wrote:
Hi Micha,
Thank you for your email. Your script is very interesting, but
I think I cannot use it because:
1- you make a sum of your viewshed list, and each viewshed
value is 0
Hello Frank:
On 2/7/19 3:16 PM, Frank David wrote:
I forgot one thing to well understand my wish. Each viewshed
raster is a r.series (250-sum) of 250 r.viewshed with 2m target
and 0 upto 250m terrain height. So each raster gives the
I forgot one thing to well understand my wish. Each viewshed raster is a
r.series (250-sum) of 250 r.viewshed with 2m target and 0 upto 250m
terrain height. So each raster gives the hidden height of a building
(250m max) anywhere on the region from a specific point of view. The
purpose is to
Hi,
Thanks for your reply. I can have numerous raster (several hundreds). I
want to find a minimum but with a tolerance, it's why I want to be able
to shift the value. In fact I want to sort the value of my all input
raster for each x,y cell and get the second or third, or any position in
Hi Ken,
There isn't any build-in function for that in grass, afaik. Depending on
how long is your series, you could shift the map list you use in each run
and then use r.univar on each output from r.series to get the minimum and
by comparison, get the second minimum of the series of maps (a
Hi Frank,
On 2019-02-07 at 08:27 +0100, Frank David
wrote...
> I try to find how to get the shifted minimum value of a series of
> raster map. I want to shift by one, or more, the "minimum" value found
> on each cell to get the "almost minimum" of the series. Is there an
> available
Hello,
I try to find how to get the shifted minimum value of a series of raster
map. I want to shift by one, or more, the "minimum" value found on each
cell to get the "almost minimum" of the series. Is there an available
function/method to do that ?
Thank you for your help
Frank
