Graham McIntire 5eaa55448e Add terrain-aware viewshed on map click ... Replace generic range circles with actual LOS coverage polygon computed from SRTM elevation data. Casts 180 rays (every 2 degrees) from the clicked point, runs Fresnel/diffraction analysis on each, and renders the reachable area as a Leaflet polygon. - Viewshed module with haversine forward, terrain sweep, async compute - Antenna height control (default 8 ft) in map panel - LiveView start_async/handle_async for non-blocking computation - Remove signal icon from band selector		2026-03-31 13:06:01 -05:00
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elevation_client_test.exs	Add covering index for map viewport query (6s -> 25ms)	2026-03-31 09:36:36 -05:00
srtm_test.exs	Add covering index for map viewport query (6s -> 25ms)	2026-03-31 09:36:36 -05:00
terrain_analysis_test.exs	Add SRTM terrain path profiles for QSOs	2026-03-29 16:22:29 -05:00
terrain_profile_test.exs	Add SRTM terrain path profiles for QSOs	2026-03-29 16:22:29 -05:00
viewshed_test.exs	Add terrain-aware viewshed on map click	2026-03-31 13:06:01 -05:00