[QGIS-Developer] Geodesic Measure Tool With Bearing Information

Nyall Dawson nyall.dawson at gmail.com
Wed Jun 14 14:41:06 PDT 2017


On 13 June 2017 at 00:20, C Hamilton <adenaculture at gmail.com> wrote:

>>
>> > Right now it could use the Vincinty algorithms in QGIS to calculate the
>> > distances, but eventually I would like to see the geographiclib
>> > algorithms
>> > used.
>>
>> I'd start with the bearing changes (since they are self contained, and
>> the methods for calculating bearing are already present in the QGIS
>> api). Then using geographiclib could be discussed as a separate set of
>> changes, to be decided on its own merit. If you mix these two changes
>> it's likely to get bogged down as one or other part of the changes are
>> debated.
>
>
> Ok.

This looks relevant:

https://github.com/sourcepole/kadas-albireo/commit/df64318e5198f40f0e96d27fcf9e179fbbf682fd

There's a lot of unrelated changes in there, but it also shows the
basics for using geographiclib within the QGIS c++ code.

Nyall


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