0
votes
2answers
122 views

Why is my shapefile being displayed in the incorrect position? [closed]

I imported a shapefile from the following link http://geocommons.com/overlays/176. However, it does not import correctly. The data comes in as a "mini planet" in the middle of the US. I only know this ...
0
votes
2answers
2k views

Converting from British National Grid (27700) to WGS84 (4326) to Web Mercator (102100)

I'm developing a web application that uses ESRI ArcGIS to display a map using JavaScript. We are holding all our data in MS SQL Server 2008 as Easting/Northing against the British National Grid. ...
12
votes
4answers
1k views

Does Re-Projecting an ESRI ShapeFile only update the content of the .prj file?

if i wish to change the projection of some shapefiles from .. lets say NAD83 (4269) to WGS84 (4326) ... and by using some 3rd party app .... does this mean the .prj file is only updated .. and not the ...