Am 29.12.2021 um 11:42 schrieb Andrew C Aitchison:
> Is this the max or the average height of the square ?
Mmmm... Now I'm unsure...
> Do you need to warn of pylons, skyscrapers, bridges or radio masts ?
> These are unlikely to be included in such map data.
None of them. Gound elevation
> I no
On Tue, 28 Dec 2021, Luca Bertoncello wrote:
Am 28.12.2021 um 16:45 schrieb Alan Snow:
This resource is useful to help you get started exploring raster data
with Python:
Maybe there is other possibility than write a Python code? I really
don't know Python and if I first need to learn it to ex
Am 29.12.2021 um 10:30 schrieb Volker Wichmann:
Hi Volker
> I haven't followed the discussion in detail, but you could use
>
> https://gdal.org/programs/gdallocationinfo.html
>
> to read out the values from your resampled raster.
I did that. And got a little Python script to export the data as
Hi Luca,
I haven't followed the discussion in detail, but you could use
https://gdal.org/programs/gdallocationinfo.html
to read out the values from your resampled raster.
The elevation differences between high and coarse resolution DEMs
strongly depend on the relief in the area of investigati
rid tile (earth_relief_03m_p):
S90W180
-9.1409 38.7718 87.2690486581
-Original Message-
From: gdal-dev On Behalf Of Joaquim Manuel
Freire Luís
Sent: Tuesday, December 28, 2021 6:00 PM
To: Luca Bertoncello ; gdal dev
Subject: Re: [gdal-dev] Get max elevation on "squares"
With GM
Am 28.12.2021 um 04:54 schrieb Alan Snow:
> After some thought, you may achieve what you want by resampling the file
> to a 5km grid size with the Resampling.max option:
>
> https://rasterio.readthedocs.io/en/latest/topics/resampling.html
>
> https://rasterio.readthedocs.io/en/latest/api/rasterio
With GMT that is a single command using the grdtrack module
https://docs.generic-mapping-tools.org/dev/grdtrack.html
-Original Message-
From: gdal-dev On Behalf Of Luca Bertoncello
Sent: Tuesday, December 28, 2021 5:48 PM
To: gdal dev
Subject: Re: [gdal-dev] Get max elevation on
Am 28.12.2021 um 16:45 schrieb Alan Snow:
> This resource is useful to help you get started exploring raster data
> with Python:
Maybe there is other possibility than write a Python code? I really
don't know Python and if I first need to learn it to extract the
information I need, it will take a w
This resource is useful to help you get started exploring raster data with
Python:
https://carpentries-incubator.github.io/geospatial-python/05-raster-structure/index.html
https://www.earthdatascience.org/courses/use-data-open-source-python/intro-raster-data-python/raster-data-processing/
If th
Am 28.12.2021 um 04:54 schrieb Alan Snow:
Hi Alan
> After some thought, you may achieve what you want by resampling the file
> to a 5km grid size with the Resampling.max option:
This is a good idea... I will need to write some code in Python (I don't
really know this language), but I think I'll
After some thought, you may achieve what you want by resampling the file to
a 5km grid size with the Resampling.max option:
https://rasterio.readthedocs.io/en/latest/topics/resampling.html
https://rasterio.readthedocs.io/en/latest/api/rasterio.enums.html#rasterio.enums.Resampling.max
You can the
Am 27.12.2021 um 20:20 schrieb Alan Snow:
Hi Alan,
thank you very much for your answer!
> You may be looking for clip/mask:
>
> https://rasterio.readthedocs.io/en/latest/topics/masking-by-shapefile.html
>
> https://corteva.github.io/rioxarray/stable/examples/clip_geom.html
>
> After clipping, yo
You may be looking for clip/mask:
https://rasterio.readthedocs.io/en/latest/topics/masking-by-shapefile.html
https://corteva.github.io/rioxarray/stable/examples/clip_geom.html
After clipping, you can use numpy to do the sum.
On Mon, Dec 27, 2021, 12:58 PM Luca Bertoncello
wrote:
> Hi list!
>
Hi list!
I'm very new to GDAL, so please excuse me if the question is too simple...
My problem: I'm writing an App to fly VFR and I'd like to display a
vertical profile of the route.
Of course, it must work offline, so I cannot use a service like Google
Maps or similar...
I tryed OpenTopoData wi
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