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onthegomap / planetiler

Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast
Apache License 2.0
1.28k stars 104 forks source link

Raster vectorizer #551

Open msbarry opened 1 year ago

msbarry commented 1 year ago

There are a few applications where having a high-performance raster vectorizer will be necessary:

wipfli commented 1 year ago

Great idea, would be amazing to have for stuff like https://github.com/wipfli/swisstopo-vector-hillshade...

msbarry commented 1 year ago

Yeah I started pulling in gdal java bindings for this kind of stuff, but I realized everything I needed from it is really just a variation of vectorizing raster datasets... so if we can get this implemented it opens the door to a lot of other applications

dBitech commented 1 year ago

I'm no Java expert but leaving this here for idea tracking purposes: https://github.com/geotools/geotools/blob/main/modules/unsupported/process-raster/src/main/java/org/geotools/process/raster/PolygonExtractionProcess.java