On Tue, 25 Sep 2018 at 06:49, C Hamilton <[email protected]> wrote: > > Nyall, > > Thanks for your confidence and encouragement. I would be interested, but > don't know where to begin. Shape Tools relies on geographiclib which is > slightly more accurate than Vincinty. Geographlib is not a library that is > included with the OSGeo distribution. However, as of the past several years > Proj.4 makes use of geographiclib. I am guessing QGIS has not exposed any of > proj.4's geographiclib routines and I don't know how much of geographiclib > Proj.4 actually uses. Including geographiclib could open up future > opportunities of using some of the Earth's gravity models which are even more > accurate for measuring distances. Using the C++ geographiclib libraries in > the QGIS core would be faster than python only code. > > For me to even begin, I need geographiclib as part of the QGIS core. If there > is a path to accomplish this, then we can discuss further details on what and > how to migrate Shape Tools functionality into core.
That should be relatively straightforward. I can do this after 3.4 is released and feature freeze is lifted. Remind me after this :) Nyall > > Calvin > >> > If you have any suggestions I would welcome them. >> >> Shape Tools is fantastic, and plugs a much needed gap in QGIS core >> functionality. Lovely work! >> >> Can I strongly encourage you to investigate porting some of these >> features/fixes over to QGIS core? You've obviously got the talent and >> knowledge to do so, and it'd be great to offer this functionality >> out-of-the-box. I'm available for mentoring if you need assistance >> with QGIS core development/build setup/general c++ help! >> >> Nyall > > _______________________________________________ Qgis-user mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
