The Elevation Multiple Locations .NET Sample Code demonstrates how to get elevations for all DEM intersections. It can be generalized and return only points where elevation change is relevant, keeping the local maxima.
Google is opening up Maps to new ride-sharing partners, meaning the search giant just effectively created the first ride-hailing price comparison feature. The surprise here is that Uber, previously the only ride-sharing partner on Google Maps, allowed this.
Wrld.js is an SDK built on the Leaflet API that can be used for embedding interactive, 3D, indoor and outdoor maps in a web page. This guide will walk you through the process of using wrld.js to build a 3D airport experience, including searching, point-of-interest markers, and indoor routing.