[Talk-us] High resolution off-leaf imagery of Virginia (VBMP)

McGuire, Matthew Matt.McGuire at metc.state.mn.us
Tue Mar 1 13:40:42 GMT 2011

It is just jpegs over http.

-----Original Message-----
From: David Fawcett [mailto:david.fawcett at gmail.com]
Sent: Monday, February 28, 2011 1:20 PM
To: Josh Doe
Cc: OSM US Talk List
Subject: Re: [Talk-us] High resolution off-leaf imagery of Virginia (VBMP)

You have to love open, public domain data only published in
proprietary formats...

On Mon, Feb 28, 2011 at 11:18 AM, Josh Doe <josh at joshdoe.com> wrote:
> I'm not sure how many are aware of this, but the Commonwealth of
> Virginia regularly acquires high resolution orthoimagery, through the
> Virginia Base Mapping Program, administered by the Virginia
> Information Technologies Agency (VITA). Some of this data is in the
> public domain. Specifically, the flights from 2002 and from 2006/2007
> are available online [1], and Google even uses some of this imagery
> for certain parts of Virginia (though not in my area). The imagery
> from 2006/2007 varies in resolution from 6 inches to 1 foot.
> Unfortunately this data is only available via an ArcGIS Server, using
> their REST interface. I made an attempt to write a plugin to support
> that interface in JOSM but was unsuccessful, however through some
> trickery I was able to create a local OSM-style tile cache of my small
> area of interest, and have found it very useful due to the high
> resolution and especially because I can see right through the trees,
> since it's off-leaf.
> It's expected that later this year VBMP imagery from 2009 is to be
> released into the public domain. This imagery varies in resolution
> between 3 inches and 1 foot. VITA is testing a WMS server, but there
> are no guarantees it will become available.
> If anyone is interested in adapting JOSM and/or Potlatch2 to support
> the ArcGIS REST tile interface, please let me, as I'd be interested in
> collaborating.
> It would be fantastic for Virginia OSMers to have access to this data,
> especially when the 2009 imagery becomes available!
> Regards,
> -Josh
> [1]: http://wiki.openstreetmap.org/wiki/Virginia#Virginia_Base_Mapping_Program_.28VBMP.29_Orthoimagery
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