Terraserver is still a good source for that data.
I wrote an app a while back in PHP that fetches + tiles raw terraserver
blocks using not ogcmap, but the earlier tile.ashx script.
Here's the url:
http://maps.omnistep.com/sitespotter.php?t=2&utmz=18&lo=-74.468253998538&la=41.030653181724&setx=5&z=9
The interface is based off the ACME mapper.
You can zoom in and out, and also flip between the DRG/DOQ (MAP/Aerial).
Terrasrver has DOQ only available from zoom levels 0-6.
You can enter the lat/lon at the bottom or enter a zipcode in one box
and blank out the other to quickly jump to your area
(zipcode to lat/lon from tiger census db).
Hitting spacebar at zoom levels 0-3 will toggle [on/off] a set of
concentric circles which correspond to a flight glide ratio of 1:4.5
We use this to identify and document potential hang gliding and
paragliding sites throughout the area.
Before I lost interest, I did play around with overlaying data such as
wifi points: http://maps.omnistep.com/overlay.php?t=1&z=1
and other curiosities such as user density from the social networking sites.
Source code can be found here:
http://maps.omnistep.com/convert.phps
http://maps.omnistep.com/trans.inc
~Rolan
Randy George wrote:
Hi,
The ransom idea is interesting.
I believe Terraserver has USGS DRG, DOQ, and UrbanArea hi res DOQ available
as a seamless coverage over US, accessible through an OGC WMS.
http://terraservice.net/ogccapabilities.ashx?version=1.1.1&request=getcapabi
lities&service=wms
Here are a couple of examples. The scale of DRG returned depends on the size
of footprint requested. Here are a couple examples GetMap requests:
http://terraservice.net/ogcmap.ashx?version=1.1.1&service=WMS&ServiceName=WM
S&request=GetMap&layers=DRG&format=image/png&transparent=TRUE&srs=EPSG:4326&
bbox=-104.90266144275665,38.789952754974365,-104.69096267223358,38.997937560
08148&WIDTH=1000&HEIGHT=982
http://terraservice.net/ogcmap.ashx?version=1.1.1&service=WMS&ServiceName=WM
S&request=GetMap&layers=DRG&format=image/png&transparent=TRUE&srs=EPSG:4326&
bbox=-104.79460379481315,39.072429625317454,-104.76692690700292,39.099223209
545016&WIDTH=1000&HEIGHT=968
OpenGIS Web Services, http://www.opengeospatial.org/, hold a lot of promise
for filling the need for opensource data resources.
Randy
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Steve Morris
Sent: Tuesday, August 29, 2006 11:52 AM
To: [email protected]
Subject: [Geowanking] map ransom: making public domain data accessible
Here's an interesting approach to making
public-domain-but-available-for-fee data widely available for free (in
this case US-wide DRGs):
http://ransom.redjar.org/
The original 'map ransom' page that sets the background is at:
http://ransom.redjar.org/original_page.html
Steve
_______________________________________________
Geowanking mailing list
[email protected]
http://lists.burri.to/mailman/listinfo/geowanking
