Oct
28
2026

Adding Real World Location to Ice Fishing Prototype

Workflow

– Elevation model, Orthophoto and laser scan data from Maanmittauslaitos (CC4)
– Import geotiff to Unity https://github.com/unitycoder/UnityGeoTiffImporter
– Import .jp2 to Unity https://github.com/unitycoder/JP2Converter
– Create terrain from geotiff elevation map (unity editor tool)
– Compare with laser scan data for real world size https://las2gltf.kelobyte.fi/
– Crop terrain and orthophoto for the game area (unity editor tool)
– Create lake depth map for the lake, if not available online (photoshop)
– Use lake depth map to lower terrain in lake area (unity editor tool)
– Get tree positions from orthophoto into CSV (python script)
– Plant trees to terrain (unity editor tool)

Images

Python Tree Detection Image Processing


Editor tool to preview and apply heightmap for lake

Laser scan overlayed to terrain, validate real world sizes

Compare tree heights also

Game view

Planting trees with Editor tool (at detected tree positions)

test play


Leave a comment

Connect

Twitter View LinkedIn profile Youtube Github Join Discord Twitch Instagram BlueSky

UnityLauncherPro

Get UnityLauncherPRO and work faster with Unity Projects!
*free unity hub alternative
Support my work at Bags.fm:

https://bags.fm/CUgDSbRqFcAumDSAcdKDvuXsw26VdkJe8C8WGUQHBAGS

Coin:

CUgDSbRqFcAumDSAcdKDvuXsw26VdkJe8C8WGUQHBAGS

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.