642 bytes added, 09:59, 15 October 2017
== Challenges ==
=== tile servers ===
Please keep in mind that most tile servers discourage bulk downloads. For the whole planet,oomlevel 8 is approx. 67k files, at zoomlevel 9 you have 265k, level 10 has a little over one million tiles. And one would probably want to go up to level 15 (roughly 1e9 files)<ref>{{cite web
|url =
|title = <nowiki> Re: [Flightgear-devel] Canvas MapLayer for OpenStreetMap, OpenAIP,
VFR Sectionals </nowiki>
|author = <nowiki> Torsten Dreyer </nowiki>
|date = Sep 29th, 2017
|added = Sep 29th, 2017
|script_version = 0.40
=== Navdata ===
we need some better data sources, especially with direct routing replacing airways in many areas, and having airspace data would help the map displays, but the current API is specifically designed to support G430, G1000 and similar class devices. Adding RNAV approaches is eminently doable, see the the RNavController base class which the GPS/FMS layer uses to allow new waypoint / route segments to define how they are flown and drive CDIs <ref>{{cite web