Hello, I am trying to digitise a series of old gold lease "portion plans" produced in the 1880s in Australia by a mining surveyor using a compass and chain. The data for each gold lease includes a table of 1) compass bearings in degrees and 2) distance measurements in links (0.2 m) for each vertex of the lease polygon (mostly a rectangle or trapezoid but sometimes more complex). The Advance Digitizing Tools would seem to be ideal for this data except for the angle measure (a) which I can't input as a compass bearing (0-360 deg). The current settings with 90 deg E as the zero makes conversion of compass bearings very tedious. Is it possible to change the angle variable (a) to a compass bearing? Regards, Phil Ryan
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