wipfli / blur-buildings

Blur building footprints to create landcover polygons for built-up areas
BSD 3-Clause "New" or "Revised" License
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Quadkeys / H3 #8

Open wipfli opened 1 year ago

wipfli commented 1 year ago

Choose tile zoom level

Loop through all buildings and increment counter of tile (quadkey) they fall in

Merge tiles with counter larger than some threshold

Simplify merged geometry

wipfli commented 1 year ago

image

h3 resolution 13

wipfli commented 1 year ago

Activate parent cell: resolution 13 -> 10

image

wipfli commented 1 year ago

resolution 10

image

wipfli commented 1 year ago

image

wipfli commented 1 year ago

uses an activation threshold of 10 resolution 13 cells per resolution 10 cell