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agiudiceandrea/bearing

Last active October 10, 2021 18:24
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Expression to calculate bearing true-north based (loxodromic) between first and second point from current layer with UTM coordinates
Raw
bearing
-- by Andrea Giudiceandrea licensed under CC-BY-SA 4.0 license
degrees(
azimuth(geometry(get_feature_by_id(@layer, 1)), geometry(get_feature_by_id(@layer, 2))) -
-- the grid convergence from https://gis.stackexchange.com/a/394982/107272 by Houska
with_variable('LL', transform( geometry(get_feature_by_id(@layer, 1)),layer_property(@layer,'crs'),'EPSG:4326'),
with_variable('displacedLL',translate(@LL,0,0.001),
azimuth(geometry(get_feature_by_id(@layer, 1)),transform(@displacedLL,'EPSG:4326',layer_property(@layer,'crs')))
))
)
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