Apply elevation constraints to boundaries of tiles
Store density rather than transmission in shade texture
Fix fgelev to handle shores and airport edges
Fix fgelev to handle shores and airport edges
ReaderWriterSTG: remove very noisy log message
Remove fgmeta/ws30. ws30 tooling now hosted at flightgear/ws30
Handle more width formats, don't require Sentinel-2 directory, minor fixes
Disable particle effects in simgear