Projected Data / Transformation Problem – GIS – CartoTalk

You currently have javascript disabled. Several functions may not work. Please re-enable javascript to access full functionality. However it might not be a datum issue. You can calculate the offset in xy to figure that out. Also check the precision of the sources. It might just be that your two data sets don't match. Then maybe you will have to do a bit of local adjustments in the form of rubber sheeting (either the vector or the raster depending on the more precise source). I've got a projected dataset, which uses a different ellipsoid than my target projection.Namely, my set is a raster set in a projected coordinate system using the Bessel 1841 ellipsoid. How do I transform it into WGS84/UTM? Reprojections are no problem, but the underlying transformation needed really gives me headaches.I tried many ways, but there always remains an offset, which I attribute to the different datums. So I figure I have to transform the projected into a geographic coordinate system, tranfsorm to geographic coordinates with a different ellipsoid (our beloved WGS 84), and then change into projected UTM.I'm starting to grow grey hair, trying to do this in ArcGis, it seems you can only transform vector data. Help and pointing out any flawed thinking greatly appreciated, Source.

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Last Modified: April 22, 2016 @ 5:07 pm