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Heightmap Editor
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File
Load PNG
New 2048²
Save PNG
Tip: large (8k) maps need a modern browser and plenty of RAM.
Brush
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Raise
Lower
Smooth
Erode
Constant
Flatten
Noise
Ridge
Radius
Strength
Paint with
left mouse
. Alt+click samples height for Constant brush. Hand pan: hold
Space
and drag, or middle mouse drag.
View
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Heightmap
Topo
Atlas
Sea level
Atlas elevation bias
Zoom
Topo view uses sea level to separate water and land. Zoom in for fine editing; pan to move around.