writes:

The original data that was used to create the charts. Someone, somewhere has
layered data. Basically:

Land TOPO +
http://aviationtoolbox.org/raw_data/USGS/NED/

TOPO Color +

That shouldn't be hard to choose. The (scanned) sectionals aren't even
consistent so you might as well select your own.

Water +
http://aviationtoolbox.org/raw_data/Census/

Airports +
http://aviationtoolbox.org/old/ATA-1...ats/Apt_rf.txt

Airspace +
http://aviationtoolbox.org/old/ATA-1...ats/Sua_rf.txt

VOR stations +
http://aviationtoolbox.org/old/ATA-1...ats/Nav_rf.txt

VOR compass roses +

Which is it - a VOR (declination) or compass (variation) rose that you
want? You should be able to calculate either, at least as well as
anyone else does them.

Victor Airways +
http://aviationtoolbox.org/old/ATA-1...ats/Awy_rf.txt

Antennas +
Power lines +...
http://www.naco.faa.gov/index.asp?xm.../digital/daicd
I'll be happy to subscribe to this if there's interest.

With that (and the underlying coordinates), one could build an online chart
and select only the desired visible components in the desired location.

Let me know when you've got it.

Having vector
art for things as simple as extras on a chart (text, circles, straight lines) would be
easier to deal with when zoomed in than HUGE bitmapped files.

Easier for whom? The bitmaps are fairly simple to manipulate and they
don't require a really smart/fast monkey to perform the layout of the
data.

Someone's got it... or
else they'd have to get a artists to draw another little antenna icon everytime one
sprouts up.

Yeah, and we know *that* can't be. If they did it by hand you'd have
error that would be obvious when the same antenna(/road/powerline/...)
is depicted on two sectionals that overlap.
https://aviationtoolbox.org/Members/...selected.y=297
Or it could just be buggy old software. They've been making sectionals
for how many decades? That's some *old* software.

--kyler