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1,790 bytes added, 09:37, 15 October 2017
== Motivation ==
{{Main article|Canvas_News#Moving_map.2FRNAV_discussion}}
The enormous variety in current glass flight decks means we really need to think of a new way of defining glass cockpit layouts.<ref>{{cite web
|url = https://sourceforge.net/p/flightgear/mailman/message/15602744/
|title = <nowiki> Re: [Flightgear-devel] Glass cockpit and external gauges. </nowiki>
|author = <nowiki> Robin van Steenbergen </nowiki>
|date = Oct 2nd, 2007
|added = Oct 2nd, 2007
|script_version = 0.40
The airspace system is in the process of changing drastically [...] this isn't just a matter of throwing up a canvas showing some GPS waypoints and a magenta line. Modern navigators are astoundingly-complex devices — probably an order of magnitude more lines of code than FlightGear itself — and even their basic flight planning algorithms and databases (e.g. fly-by waypoints vs fly-over waypoints, open vs closed approach procedures, transitions into RNAV approaches, etc.) are far beyond the scope of anything we've tried, and we'd also need an up-to-date database far more complex than the ones we have now. Once you get to the extra features, like FIS-B weather or TIS-B traffic info over ADS-B, or TAWS (terrain alerting), we're probably in way over our heads trying to emulate even the simplest general-aviation IFR GPS.
Depending on how we deal with this challenge, the question is whether that means that the usefulness of FlightGear will also gradually taper off. <ref>{{cite web
|url = https://sourceforge.net/p/flightgear/mailman/message/35924395/
|title = <nowiki> [Flightgear-devel] RFD: FlightGear and the changing state of air
navigation </nowiki>
|author = <nowiki> David Megginson </nowiki>
|date = Jul 3rd, 2017
|added = Jul 3rd, 2017
|script_version = 0.40
== Background ==
{{Main article|Complex Canvas Avionics}}

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