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 # Get Baden-Württemberg Opendata
 
-Get LoD2 CityGMLs from Baden-Württemberg Opendata.
+Since June 2024, LoD2 CityGML files are available from Baden-Württemberg Opendata at https://opengeodata.lgl-bw.de/#/(sidenav:product/12) .
 
-https://opengeodata.lgl-bw.de/#/(sidenav:product/12)
+The server contain 3D models for whole Baden-Württemberg, but it only allows to download 2 tiles at most from the web interface. Zip files need to be extracted, merged into each other, and cut to the desired region.
+
+This script automates the whole process. All is needed is a name and a region, either specified as a WKT polygon or a Zipcode.
+
+Multiple regions can be defined:
+
+```
+REGIONS = {
+    "StuttgartCenter": "POLYGON((9.175287 48.780916, 9.185501 48.777522, 9.181467 48.773704, 9.174429 48.768472, 9.168807 48.773902, 9.175287 48.780916))",
+    "Freiburg": "79098,79102"
+}
+```
+
+![freiburg_3d](/home/ricou/www/get-bw-opendata/freiburg_3d.png)
 
 ## Requirements
 
diff --git a/freiburg_3d.png b/freiburg_3d.png
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