Merge pull request #206 from gistrec/add-geo-utils

Add geo-utils-cpp to C++ section

Author: sshuair

README.md

@@ -272,6 +272,7 @@ Inspired by [Awesome Python](https://github.com/vinta/awesome-python).
 - [entwine](https://github.com/connormanning/entwine) - Entwine is a data organization library for massive point clouds, designed to conquer datasets of hundreds of billions of points as well as desktop-scale point clouds.
 - [GDAL](http://www.gdal.org/)  - Geospatial Data Abstraction Library (GDAL) is a computer library that serve as a translator library for raster and vector geospatial data formats.
 - [gdalcubes](https://github.com/appelmar/gdalcubes) - gdalcubes is a library to represent collections of Earth Observation (EO) images as on demand data cubes (or multidimensional arrays).
+- [geo-utils-cpp](https://github.com/gistrec/geo-utils-cpp) - Header-only C++17 library for spherical (lat/lng) geometry: distance, bearing, area, point-in-polygon.
 - [geojson-vt-cpp](https://github.com/mapbox/geojson-vt-cpp) - Port to C++ of JS GeoJSON-VT for slicing GeoJSON into vector tiles on the fly.
 - [GEOS](https://trac.osgeo.org/geos/)  - GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).
 - [gSLICr](https://github.com/carlren/gSLICr) - Real-time super-pixel segmentation.