here are some quick ideas which tools could be interesting in this context:
If you want to start with python (or php) then I would think about using
mapserver based on mapscript.
https://mapserver.org/mapscript/index.html
You can use ogr2ogr to easily create shapefiles.
For meteorological analysis the time parameter for WMS services is useful.
For leaflet there is a plugin:
https://github.com/socib/Leaflet.TimeDimension
Happy mapserving
Sven
Am 14.10.2022 um 08:39 schrieb Stefan Gofferje:
Good morning all!
After the relative ease of my first mapserver project, I'm now
motivated and keen on getting another project running.
Since about a year (plus minnus), I'm every day checking for Sentinel
I and II data covering the area where I live. If there is anything, I
download the data and run some scripts which do automatic processing
and generating of composites, like SAR VV/VH or NDVI, NDCI, etc.
The ready images are then posted to a Telegram channel.
At the moment, there's still a number of manual steps (search data,
decide what to download, trigger download, trigger processing and
trigger Telegram push) and the existing scripts are Bash scripts
calling GDAL tools.
My first step now is to learn Python and move everything from Bash to
Python and automate it, ideally so far that the whole process can run
in a Docker container as a cron job.
Then I was thinking, instead of pushing images to Telegram, I could
use mapserver to serve the images to some web frontend. The map files
are very easily created programmatically, so that should be easy. I'm
missing a few things for that, though:
While going through mapserver's docs, I noticed that it can handle
time dimensions for imagery. That sounds like something worth
exploring. The docs describe the use of a shape file but
unfortunately, I have no clue how to to *create* that programmatically.
Regarding the frontend, I could just put up a single page leaflet app.
That would be easy enough. But I'm wondering if there's already some
cool solutions out there.
So, If anybody has a link or pointer for me on the programmatic
creation of shape files for time-indexed imagery and/or interesting
web frontend projects, I would be very grateful!
-Stefan
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