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OpenStreetMap Import - generate roads from OSM with street names and road-type selection

This mod will add a button in the "Map Editor" which opens a panel for importing OSM data from https://openstreetmap.org.

I found an OSM import mod which was not working for me, so I fixed it and added some features.

• select road-types to build according to OSM data (also gives you a rough estimate of node counts and limit)
  
• roads are being named correctly (as long as the way element in the OSM data has a name tag)

• go to http://terrain.party and download the heightmap of your desired region
  
• in the downloaded zip file you will find a text file with the exported coordiates
  
• go to openstreetmap.org and click on Export
  
• enter the same coordinates as in the textfile
  
• use the overpass-api.de link to download large datasets
  
• rename file to map.osm and move it into the Documents folder (or enter the correct file path in the mod in-game)
  
• enter "2.5" in the "tiles to boundary" field to only draw roads the inner 25 tiles, use "4.5" to make roads on all 81 tiles

For more detailed instructions how to use please see original mod: https://github.com/adur1990/Open-Cities-Map

• avoid too short road segments (especially on intersections)
  
• avoid two-roads side by side, when osm data contains multiple tracks for a road
  
• maybe allow selecting which type of roads should be made in CS - currently it's using hard-coded defaults
  
• better estimates for node counts (current estimates are way higher than actual number of nodes produced)

Source code of this mod:
https://github.com/grilly86/Open-Cities-Map

Thanks to the original authors:
lxteo: https://github.com/lxteo/Cities-Skylines-Mapper
adur1990 (Artur): https://github.com/adur1990/Open-Cities-Map