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Define projection changes position of raster layer

Question asked by Ditlev on Jul 5, 2015
Latest reply on Jul 8, 2015 by Dan_Patterson

Hey Everyone.

I use define projection on a raster layer that has the spatial reference system User_defined equidistant_Cylindrical and the datum user_defined, and change it into either equidistant_culindrical (Sphere) or equidistant cylindrical (world).

I try to do it into both because I am not sure which of them is the correct one. My thought was then to convert into WGS_1984 afterwards and see which fits best.

 

However, when I do the define projection, the whole raster drastically changes position. How can this be? Isn't define projection just used to define the projection system, not actually changing the position or drawing. This is at least how it has normally worked for me.

 

The reason why I am doing this is because I want the data in WGS_1984. Any help on how I could do this is also needed.

 

I would very much appreciate any help. Thank you very much!

 

Best regards

Ditlev Reventlow

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