Found via the Elevation Graph's "Find obstacles". Blobs stay on the map until cleared here.
Geometric = terrain/Fresnel clearance. ITM/P.1812 = real path loss → links colour by received signal (needs the P.1812 sidecar running for P.1812).
Changes save automatically as you adjust them. These LOS defaults feed the LOS graph (and the map-line LOS to come). Equipment defaults are not wired yet.
Right-click a site on the map and choose Run coverage to paint propagation using these settings. Icon Color paints coverage in the site's pin colour; No Color uses one colour for the whole area; Strong only hides weak cells.
Right-click the map and choose "Find farms nearby" to plot farms within this radius.
Right-click an empty spot on the map and choose Create Elevation Grid. Colours/opacity update the current grid instantly; range/quality apply on the next create.
Right-click the map → Create Land Cover Grid. Shows ESA WorldCover land cover; tick which types to display.
Only trees, shrubs and buildings affect P.1812; water, fields and the rest are context. Type toggles and opacity re-tint instantly; range/quality apply on the next create.