Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Josh Babcock
Curtis L. Olson wrote: Josh Babcock wrote: terragear.microsoft.com and seamless.usgs.gov both give .5 m color ortho photos for many major American cities, and I think 2m bw for the rest of the US. You can get the lat/lon of the corners of the image from both, and both also tell you the scale of

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread David Megginson
Curtis L. Olson wrote: The airport generation scripts create a beacon if there is one in the datafile for that airport, yes. Perhaps we need a way to provide a manually maintained exceptions list when building airports (and scenery). Didn't Robin's data originally contain a field specifying whet

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Curtis L. Olson
Josh Babcock wrote: terragear.microsoft.com and seamless.usgs.gov both give .5 m color ortho photos for many major American cities, and I think 2m bw for the rest of the US. You can get the lat/lon of the corners of the image from both, and both also tell you the scale of the image. terraserve

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Chris Metzler
On Tue, 15 Jun 2004 10:41:04 -0500 "Curtis L. Olson" <[EMAIL PROTECTED]> wrote: >>I recently >>modelled a 40-story building I wanted to put in its real-life location; >>the latlong I'd dug up for the building didn't match any of the antenna >>locations, so I didn't know what to substitute for. > >

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Josh Babcock
Josh Babcock wrote: Curtis L. Olson wrote: SNIP You used to be online mapping services that would (directly or indirectly) get you the lat/lon of things on the image, but I think they realized the usefulness of this and I haven't found anything for free lately ... even mapquest seems to have got

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Josh Babcock
Curtis L. Olson wrote: SNIP You used to be online mapping services that would (directly or indirectly) get you the lat/lon of things on the image, but I think they realized the usefulness of this and I haven't found anything for free lately ... even mapquest seems to have gotten rid of their aer

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Curtis L. Olson
Chris Metzler wrote: OK, so to make sure I get it, I was incorrect about an FAA obstruction database being used; you do use the FCC ASR database. The correlation with tall buildings is simply because some (most?) tall buildings have antennae on the top. Is this right? Yes. If so, are their altitu

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Chris Metzler
On Tue, 15 Jun 2004 07:24:21 -0500 "Curtis L. Olson" <[EMAIL PROTECTED]> wrote: > Chris Metzler wrote: >> >> And while asking about the radio towers . . .my (perhaps wrong) >> understanding is that they come from some sort of FAA obstruction >> database; that's why some are at locations where large

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Curtis L. Olson
Chris Metzler wrote: And while asking about the radio towers . . .my (perhaps wrong) understanding is that they come from some sort of FAA obstruction database; that's why some are at locations where large buildings are located in real life. Is that correct? If so, why not use the FCC's Antenna S

Re: [Flightgear-devel] radio towers (in the default scenery, and in general)

2004-06-15 Thread Erik Hofman
Chris Metzler wrote: hi. the radio towers introduced all over the place in the new scenery build don't appear to be present in the copy of the default area that's in CVS. if i use the data rsync'd from Scenery-0.9.5 for the default area, they're all over the place; but in the copy from CVS, they