Re: [Flightgear-devel] Disused Airfields and an Intro
> Alex Perry writes:
>
> > > > Disused airfields are fairly common in the UK, can I suggest the
> > > > ability to handle these is something add to the 'to do' list?
> > > Basically, we just need to support closed ("X") runways, then make
> > > airports where all the runways are closed. CYOW, my home airport, has
> > > one closed runway itself.
> >
> > Yeah, then there is the little instructor trick of changing a runway from
> > open to closed in the database while the student is enroute and looking to
> > see whether the student doesn't notice and lands on it anyway.
>
> Hmm -- that gets me thinking (again) about the idea of generating
> airports dynamically at runtime rather than statically at
> scenery-build time.
Nah; when we do the support for forest fires and other parametric drop-ins
where the object is allowed to _replace_ triangles from the scenery file,
substitution of the runway numbers will be easy to implement.
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Re: [Flightgear-devel] Disused Airfields and an Intro
Alex Perry writes:
> > > Disused airfields are fairly common in the UK, can I suggest the
> > > ability to handle these is something add to the 'to do' list?
> > Basically, we just need to support closed ("X") runways, then make
> > airports where all the runways are closed. CYOW, my home airport, has
> > one closed runway itself.
>
> Yeah, then there is the little instructor trick of changing a runway from
> open to closed in the database while the student is enroute and looking to
> see whether the student doesn't notice and lands on it anyway.
Hmm -- that gets me thinking (again) about the idea of generating
airports dynamically at runtime rather than statically at
scenery-build time.
All the best,
David
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David Megginson
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Re: [Flightgear-devel] Disused Airfields and an Intro
On Thu, 24 Jan 2002 10:02:40 -0800 (PST), Alex Perry <[EMAIL PROTECTED]> wrote: >> I'm not terribly familiar with the airport database code, but I can't >> believe these would be difficult to support. Just make up a few new >> runway textures with big yellow X's on them. The hard part will be >> finding the data for the ancient runway locations. Anyone? > >The NOS charting service has the data; we could always ask them what they >would charge us for a dump of that (and similar) databases for our use. For the UK at least, Multimap has overhead photos and Ordinance Survey 1:50,000 mapping for airfields that you know are there. Since the runways etc. are usually all marked accurately on the OS map. Straight measurement (plus a UK National Grid to Lat/Long conversion) should do it accurately enough for a 'first cut'. For example, here is the deactivated USAF base at RAF Alconbury http://www.multimap.com/map/browse.cgi?client=europe&; X=522500&Y=277500&scale=5&width=700&height=400 &gride=&gridn=&coordsys=gb&db=&overviewmap= &scale=5&multimap.x=251&multimap.y=271 Its worth checking the photo though: the OS missed a length of taxiway. Interestingly the main runway 'X' is placed in the centre, not at the thresholds. The taxiways have an 'X' at each end however. Rick -- David Farrent and Dougie O'Hara on the Cold War role of the ROC: 'What a world of sorrow is hidden in those few words - "[Post attack] crew changes would have been based on crew availability."' ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Disused Airfields and an Intro
> [...] The hard part will be > finding the data for the ancient runway locations. Anyone? Hmmm, I'd like to second that. Since last summer I'm looking for precise data on an unused NATO airbase in France: Chambley AB, ICAO: FX01 There's a small map but I'm not shure if this is sufficient for a usuable runway description: http://www.xs4all.nl/~nvav/pag/rsa2001.html Anyone ? ;-) Martin. -- Unix _IS_ user friendly - it's just selective about who its friends are ! -- ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Disused Airfields and an Intro
> I'm not terribly familiar with the airport database code, but I can't > believe these would be difficult to support. Just make up a few new > runway textures with big yellow X's on them. The hard part will be > finding the data for the ancient runway locations. Anyone? The NOS charting service has the data; we could always ask them what they would charge us for a dump of that (and similar) databases for our use. ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Re: [Flightgear-devel] Disused Airfields and an Intro
> > Disused airfields are fairly common in the UK, can I suggest the
> > ability to handle these is something add to the 'to do' list?
> Basically, we just need to support closed ("X") runways, then make
> airports where all the runways are closed. CYOW, my home airport, has
> one closed runway itself.
Yeah, then there is the little instructor trick of changing a runway from
open to closed in the database while the student is enroute and looking to
see whether the student doesn't notice and lands on it anyway.
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re: [Flightgear-devel] Disused Airfields and an Intro
Rick Ansell writes:
> Disused airfields are fairly common in the UK, can I suggest the
> ability to handle these is something add to the 'to do' list?
Basically, we just need to support closed ("X") runways, then make
airports where all the runways are closed. CYOW, my home airport, has
one closed runway itself.
All the best,
David
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David Megginson
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