Re: Difference 15m between Census 2008 TIGER/LineŽ Shapefiles and Google Earth
- From: Paul Cooper <a.paul.r.cooper@xxxxxxxxxxxx>
- Date: Sun, 01 Mar 2009 22:36:18 +0000
On Sat, 28 Feb 2009 15:15:20 -0800 (PST),
"elshayal@xxxxxxxxxxxxxxxxxx" <elshayal@xxxxxxxxxxxxxxxxxx> wrote:
Dear Elshayal Smart GIS Users Group
Thank you for 2008 TIGER shape files Link http://www.census.gov/geo/www/tiger/
I have visited that link and download shape file of
Alabama - Etowah County - Gadsden City - (Gadsden Community college -
my school)
Map Unit = Degrees 16 North
Lon or X = -85.988831970
Lat or Y = 33.993027389
Scale = 1 : 2,500
I have got a Difference 15m between Census 2008 TIGER/Line® Shapefiles
and Google Earth in some area
http://groups.google.com/group/elshayal-smart-gis/web/Gal26.JPG?hl=en
I have got a Difference 35m between Census 2008 TIGER/Line® Shapefiles
and Google Earth in some area
http://groups.google.com/group/elshayal-smart-gis/web/Gal25.JPG?hl=en
Thank you and best regards
Mohamed Elshayal
002 012 211 3080
elshayal@xxxxxxxxxxxxxxxxxx
The First Arabian GIS Software
http://www.smartwebonline.com/
http://tech.groups.yahoo.com/group/ElshayalSmartGIS/
A) TIGER is not all that accurate!
B) are you comparing data on the same projection and datum?
.
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