Changes the space behind the globe, not the ocean on the globe itself.
Optional reference line. Hidden by default.
Sets the colour of all pinhole markers. Photograph markers are unchanged.
Adjusts the visible size of pinhole markers. Their click area stays generous.
Adjusts the size of photograph markers on the globe.
Sets the shape of photographic markers on the globe. Square matches the archive tiles.
Use a flat world map in equirectangular projection (2:1 ratio), with darker land and a lighter ocean.