A plugin for displaying geodata stored in a geojson format as a layer in JOSM.

Create a lib folder

mkdir lib/

Download josm and dependent plugins

gradle dependencies

Build

gradle clean build

Depending on the JOSM version used...

Before:

cp build/libs/josm-geojson-0.0.0-SNAPSHOT.jar ~/.josm/plugins/geojson.jar

After:

cp build/libs/josm-geojson-0.0.0-SNAPSHOT.jar ~/Library/JOSM/plugins/geojson.jar

And Josm should pick up the plugin at startup.

To Activate it, Josm Preferences > Plugins > Search geojson > Click the check box > Ok.

To open a *.json or *.geojson file, File > Open, select the file, and to make the list appear, click Windows > Geojson