> Unfortunately, the limiting factor for most projects isn't the JS library, but it's the availability of high-resolution DEMs (digital elevation models). These

> Unfortunately, the limiting factor for most projects isn't the JS library, but it's the availability of high-resolution DEMs (digital elevation models). These won't become widely available until we do something about the price of lidar. You can cheaply generate approximate DEM from drone imagery. E.g. DroneDreploy.