Fig. 6
From: A revised digital edition of Wurm & Hattori’s Language Atlas of the Pacific Area
Polygon crossing the antimeridian split in compliance with the GeoJSON specification using the antimeridian package. The algorithm splits each polygon side which crosses the antimeridian in two parts, using the arithmetic mean of the two latitudes as second endpoint. The second polygon of the split geometry is not visible, because it is displayed by QGIS at -180° longitude.
