[Therion] Overlay grid over maps

[Andrew Atkinson]

I've not used it myself but there is an option

 grid-angle <value> <units> ▷ specifies the magnetic grid angle
(declination against grid north).

page 19 of the thbook for details

Andrew


On 25/09/17 06:12, Steven Tucker via Therion wrote:
> Good day everyone,
> 
> I am in the process of remapping a large cave in which there are various
> archaeological / paleontological excavation areas.
> 
> In one chamber of the cave an excavation grid has been setup. The
> excavation grid's north is 23 degrees east of true north. Magnetic north
> is 18 degrees west of true north.
> 
> So if I put "grid bottom" into my layout I get a grid on my pdf output
> which is oriented to magnetic north.
> 
> Is there a way to orientate this grid to 23 degrees east of true north?
> 
> Thanks,
> 
> Steven
> 
> 
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