Questions tagged [geographiclib]

C++ classes for coordinates conversions, for geomagnetic field calculations, and for solving geodesic problems.

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GeoGraphicLib and custom forward

I need to project data which can be nearby the poles, and I want to use a custom transverse mercator projection for a number of reasons. Using GeographicLib (either TransverseMercator or ...
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1answer
642 views

Using azimuths and bearings in GeographicLib? [closed]

I am currently using the JavaScript port of the geodesic routines from GeographicLib: https://geographiclib.sourceforge.io/html/js/ https://github.com/yurijmikhalevich/node-geographiclib I am ...
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235 views

Installing Geographiclib with QGIS

I am trying to install the package "geographiclib-1.20.tar.gz" Referring to a previous post to install 3rd Party libraries here. I ran OSGeo4W Shell and tried to use pip. This is the error message I ...
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204 views

Closest projection to GeographicLib's Local Cartesian

We are using the excellent GeographicLib https://sourceforge.net/projects/geographiclib/ in our application, a professional ship simulator. Our 3D scene is rendered using a Local Cartesian projection ...
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2answers
1k views

Making Great Circle Arcs which look good on Web Mercator map?

I'm trying to create a map, with data indicating some flights, and want to use Great Circle Arcs, to connect the source and destinations. Basically, I want to do something similar to the famous ...
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1answer
3k views

Find rectangle around point with python?

Given a point, latitude and longitude, how would one find the coordinates of a rectangle centered on that point with a known width and height in meters? I tried using the Geodesic stuff from ...
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0answers
172 views

Finding angle to north on image with three control points

So I am working on some software that geolocates spots on a map taken from a drone. I am having some trouble with the actual geolocation when the map that the program is given is not aligned north. ...