[OSM-talk] Azimuth measurement

François Lacombe francois.lacombe at telecom-bretagne.eu
Tue Apr 8 11:47:57 UTC 2014


I think the two GPS points method remains the best way to achieve azimuth
measurements, indeed.

Thank you gentlemen.

Any more advice ?

*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com


2014-04-08 12:24 GMT+02:00 Christoph Hormann <chris_hormann at gmx.de>:

> On Tuesday 08 April 2014, François Lacombe wrote:
> > [...]
> > Is there a solution to that issue ?
> >
> > Measuring geographic north directly isn't so simple I think.
> >
>
> Probably the simplest and most accurate way is to use position
> measurements to determine the direction.  Look in what direction the
> feature you want to orient points, identify a point in that direction
> at suitable distance, go to that point and record the position (or use
> the already mapped data of it) and use both positions to determine the
> direction.
>
> With very simple tools (like piece of cardboard with an angular scale
> drawn on it) you can also record relative orientations and this way
> avoid the need to find a reference point in exactly the direction your
> object points to.  This is how you used to measure everything before
> the age of GPS.
>
> --
> Christoph Hormann
> http://www.imagico.de/
>
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