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Rock Island
Terrain preview
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Coordinates41.49340, -90.53461
Game grid625 × 625
8-bit grayscale PNG for SimCity 4 terrain workflows. Land brightness is normalized separately for each city sample; the color image is a preview, not the download.
Play Rock Island in BuildBuild.FunAbout Rock Island
This 625 × 625 game-cell sample around Rock Island spans 85 to 250 m in the source report. Water-class cells make up 3.6% of the sample; 0.0% remain in the automatic class. These are map-cell shares, not statistics for the city or its population. The surrounding map combines hilly terrain with a prominent waterfront.
How we process land and waterTerrain recipe world19-city-v7-worldcover64-context-c · data revision 6f6a0562cc0d
Cities within 100 km
Rock Island Real Terrain Download | City Simulation Maps
The downloadable heightmap normalizes land heights within this sample. Pixel brightness is not a cross-city elevation scale or raw survey data.