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Satellite Proggy
Posted: Mon Nov 21, 2005 2:31 pm
by woodchip
I'm using google satellite to view property that I am looking at buying. Trouble is the resolution isn't very good even for 10 acres. So is there a better freebie available?
Posted: Mon Nov 21, 2005 2:46 pm
by fyrephlie
man public domain sheit creeps me out sometimes
Posted: Mon Nov 21, 2005 2:54 pm
by will_kill
hell, he's looking @ you right now...
Posted: Mon Nov 21, 2005 6:32 pm
by REDDER
I don't think that satellite images offered to the public or the ones viewed for free have the resolution you are looking for.
I have never paid for an image because they are expensive so I am not sure if the resolution is any better.
I have found aerial images taken from planes that are much better because of the lower altitude for the photo.
Try USGS resources and sometimes searching State websites you will come across these images.
Good luck.
Posted: Mon Nov 21, 2005 8:12 pm
by Mobius
Download 250MB of Nasa WORLDWIND.
Select "USGS 1-Metre" data set.
Zoom in on your intended purchase.
Wait for 1-metre resolution data set to download. (For a 10-acre site? Maybe a few megs - no more)
Voila.
P.S. USGS data @ 1-metre is black and white. Not colour.
Posted: Mon Nov 21, 2005 10:28 pm
by fyrephlie
doesnt google earth have a pay version that supposed to be real tight?
Posted: Tue Nov 22, 2005 3:58 am
by roid
i'm not sure what you mean by google satelite.
there's
google MAPS
and there's
google EARTH
google EARTH is a 10meg or so download, but it offers slightly better resolution than google MAPS. Also there is a plugin for google-maps that plugs in the ultra high res black and white USGS data that mobius is talking about.
i'll have a look for you and post a link to the plugin when i find it. (feel the love)
edit: here we are woodchip, here's the plugin for google EARTH
http://bbs.keyhole.com/ubb/showflat.php ... /vc/1/nt/3
after downloading it select "USGS Ortho 1 meter" from within it.
or here's the website if you just want to use their website directly instead of google earth
http://nww.terraserver-usa.com
google earth is all in colour, and i think around most citys the resolution is 1foot.
google MAPS has exactly the same texture data, but at about half the resolution of Google EARTH.
the USGS is Black and White, and it's resolution is a third of Google EARTH's highres data (so that's 1 meter resolution). However it has this 1 meter resolution B&W data for the
entire USA - which means it has a slight advantage over google EARTH if you are unfortuantely looking at a place that google EARTH only has LOWRES colour data for (the LOWRES data is something like a 20th the resolution of the HIGHRES data, it's pretty bad. The USGS B&W data is basically be 6X the resolution of the googleEARTH LOWRES data).
woody if you want you could PM or IM me with where you want to look at (Latitude and Longitude would be handy), i can tell you the highest resolution image you can get.
(note: all figures are round about estimates)
Posted: Tue Nov 22, 2005 4:52 am
by roid
fyrephlie wrote:doesnt google earth have a pay version that supposed to be real tight?
they have a few pay versions, but they just add some usability features. All the versions use the SAME texture data though, incl the free version.
Posted: Tue Nov 22, 2005 7:50 am
by woodchip
Thanks guys. Roidy the Terra server was just perfect. I can zoom in and see all the detail I need.