Exercise-for-Multiresolution-Models/Feature-manipulation-engine-(FME).md

+- Create a new workspace
+- Put a CityGML reader in the workspace and link the CityGML dataset to it, merge the features into a single feature
+- Set appropriate coordinate reference system (e.g. for North Rhine-Westphalia EPSG:25832)
+
+![reader_with_highlights](uploads/e8caf79afbb818c65b528c8062252acb/reader_with_highlights.PNG)
+
+- Set up the writer for Cesium 3d tiles / ESRI I3S and select a folder where the transformed dataset should be saved
+
+![writer](uploads/c1a178b828c55b59a35bfaa3fb69e5d8/writer.PNG)
+
+- Set the appropriate coordinate reference system, both Cesium and ArcGIS are working with WGS 84 (EPSG: 4326)
+- Start the transformation
+- Look at the output. The 3D tiles are generated in a named folder with a tileset.json file and a data directory. I3S writer output is a single file with the extension .slpk.