Using the Map Editor in Cities:Skylines 2

Import a height map

Generate the height map

To import a height map into the Cities: Skylines 2 Map Editor we need to create a 4096×4096 pixel 16 bit grayscale height map.

To generate the height map and overlay map image of an area of the Earth, we can use the following sites:

Create the directories

Heightmaps

The editor selects the heightmaps from the Heightmaps folder

  • Create the “Heightmaps” folder for the height map files at “C:\Users\YOUR_USER_NAME\AppData\LocalLow\Colossal Order\Cities Skylines II”

Screenshots

The editor selects the Thumbnail and Preview images from the Screenshots folder

  • Create the “Screenshotsfolder for the thumbnail and preview files at “C:\Users\YOUR_USER_NAME\AppData\LocalLow\Colossal Order\Cities Skylines II”

Update the height map

  • Open the images in Gimp, a free open source image editor
  • Resize the image to 4096×4096
  • Check the image mode, make sure it is set to grayscale

  • Check the color precision, make sure it is set to 16 bit

Save the image in the new Heightmaps folder

  • Export the height map as .PNG

  • Accept the defaults

Enable the image overlay

Import the height map

Load the height map

  • Start Cities: Skylines 2 and open the editor
  • At the bottom, select the Modify Terrain icon

  • Click the Import Heightmap button

  • Select the height map at the top, and click the Load button at the bottom

Add the outside transportation connections

  • At the bottom select Add object
  • In the upper right corner click None
  • Set the filter to only display the outside connections
  • Click away the list to close it and display the list of outside connections
  • Select the connection type
  • Click on the map to place it

Add outside powerline and water connections

To add outside utility connections, we need to search for those.

  • Type outside into the search box
  • Select the connection type to place it.

Save the map

  • In the upper left corner click Map

  • Enter the map name, description, and select the starting tiles

  • Scroll down to expand the Checklist

  • Save the map by clicking the Save Map button
  • Enter a file name and click the Save button

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