Hallo Fabio:
What version of QGIS are you using?
Kirk Schmidt
On 2/25/2021 1:58 PM, Fabio Falchi wrote:
Dear all,
not having received any answer, I repeat the request.
I need to speed up the process of obtaining rasters with distances
from a single point (or a single lat-lon coordinate) in it. Manually I
use this procedure:
With a georeferenced raster in a UTM projection I use raster
calculator to obtain a raster with all pixels set to zero. Then, with
Serval plug-in, I manually set to 1 the value of the pixel in the
wanted position (either by using a satellite overlay or by using a
point vector layer with the appropriate coordinates). Then I use the
proximity function under Raster>Analisys menu.
I want to make this via the Graphical Modeler, in order to be able to
make the process fast and skip the manual introduction with Serval
plug-in. At the very least, I need a mode to put the value 1 in the
pixel of the selected null raster in the position givel by lat-lon
coordinates.
Thank you!
Best,
Fabio Falchi
/USC - Universidade de Santiago de Compostela/
/ISTIL - Light Pollution Science and Technology Institute/
Il sabato 20 febbraio 2021, 18:04:14 CET, Fabio Falchi
<fabio_fal...@yahoo.it> ha scritto:
Dear all,
I need to speed up the process of obtaining rasters with distances
from a single point in it. Manually I use this procedure:
With a georeferenced raster in a UTM projection I use raster
calculator to obtain a raster with all pixels set to zero. Then, with
Serval plug-in, I manually set to 1 the value of the pixel in the
wanted position (either by using a satellite overlay or by using a
point vector layer with the appropriate coordinates). Then I use the
proximity function under Raster>Analisys menu.
I want to make this via the Graphical Modeler, in order to be able to
make the process fast and skip the manual introduction with Serval
plug-in. At the very least, I need a mode to put the value 1 in the
pixel of the selected null raster in the position givel by lat-lon
coordinates.
Thank you!
Best,
Fabio Falchi
/USC - Universidade de Santiago de Compostela/
/ISTIL - Light Pollution Science and Technology Institute/
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Kirk Schmidt, MScF, BScF, RPF
General Manager
Nortek Resource Solutions Inc.
RR # 1
Thorburn, NS
B0K 1W0
Tel (902) 922.3607
Email: k...@nortekresources.com
Web: www.nortekresources.com
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