Opendata Bayern Download Documentation

https://geodaten.bayern.de/opengeodata/

sudo apt install aria2

Search your meta4-Link (looks like https://geodaten.bayern.de/[...].meta4)

• Click on the Map
• Right-Click on Download (Metalink)
• Copy URL to clipboard

# create your target-datadir
mkdir /path/to/local_geodata/
# use aria2 to download data 
# 
aria2c -V --follow-metalink=mem --dir=/path/to/local_geodata/ <paste here your copied url>

example

aria2c -V --follow-metalink=mem --dir=/tmp https://geodaten.bayern.de/odd/a/lod2/citygml/meta/metalink/09276115.meta4

use:

• --follow-metalink=mem not to write the meta4-file
• -V to verify the downloaded data with the provided checksum
• --dir=/path/to/lod_data/ to save the data in this directory

If data is updated by the data-provider, you can use the previous command to update your local data. The provided parameters make aria2 to check if the remote data has changed and downloads only the updated data.

Just put the command from above into your crontab

Format: CITYGML
EPSG : 25832
Tile-Size: 2km x 2km

⚠️ Download-Size: about 150 GB

aria2c -V --dir=/data/on_big_hdd/lod2/ https://geodaten.bayern.de/odd/a/lod2/citygml/meta/metalink/09.meta4

Format: GeoTiff
EPSG : 25832
Tile-Size: 1km x 1km

⚠️ Download-Size: about 240 GB

aria2c -V --dir=/data/on_big_hdd/dem/ https://geodaten.bayern.de/odd/a/dgm/dgm1/meta/metalink/09.meta4

Format : GeoTiff (RGB)
EPSG : 25832
Tile-Size: 1km x 1km

⚠️ ⚠️ ⚠️ Download-Size: about 1,2 TB == 1200 GB

for i in 1 2 3 4 5 6 7
do
  aria2c -V --dir=/data/on_big_hdd/dop/ https://geodaten.bayern.de/odd/a/dop40/meta/metalink/09${i}.meta4
done