Coastline source and derived land mask
© OpenStreetMap contributors. Open Database License (ODbL) 1.0.
https://www.openstreetmap.org/copyright
https://opendatacommons.org/licenses/odbl/1-0/

osm_coastline.json: source OpenStreetMap coastline data; source timestamp retained.
coast_land_local.geojson: derived polygon mask used by this scene, in local metres.
Projection: azimuthal equidistant (AEQD), WGS84, origin latitude -22.907851,
longitude -43.125899; X east, Y north. This is not longitude/latitude GeoJSON.
Changes: coastline stitching, polygonization, geographic clipping and reprojection.
This license concerns this geographic dataset, not the artist's works or portrait.