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Hi, I'd like to back up a file geodatabase on an external hard drive but I keep getting an error message (000260) which prevents me from doing so. I understand that the error message is referring to a problem with the output workspace but I'm wondering if it's the particular hard drive that I'm using or whether it's actually possible to back up a file geodatabase on an external hard drive. It seems to me like it should be a relatively straightforward process (Maybe not). Grateful if anyone could shed some light on the subject for me. Thanks, Sean.
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12-07-2012
06:23 AM
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Hi Guys, Thanks for the replies. This is a tricky one because I have both the projection and the ellipsoid but not the datum. Ideally I would have liked to accurately georeference the map using the grid however, without the datum there would be no point. As a solution I decided to use the cities on the map as reference points which worked fine for this purpose. Regards, Sean.
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01-17-2012
03:56 AM
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Hi, I'm currently trying to georeference an old map (1955) however, I can't find the map's coordinate system in ArcGIS 9.3. The info I have is as follows Projection: Lambert Ellipsoid: Clarke Equal Distance of line: 100 metres It appears to be a Lambert equidistance projection but none of the projections in ArcGIS 9.3 have a Clarke ellipsoid. I have tried the various equidistant projections in ArcGIS 9.3 and even tried modifying the ellipsoid to Clarke but have had no luck. Can anyone help by pointing me in the right direction. Thanks, Sean.
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01-12-2012
11:29 PM
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