+1 for Martins idea!
I like it .. educating the user that way is a very good idea .. hope
it's not too hard to implement..
Werner
Am 11.01.2011 10:38, schrieb Martin Dobias:
My idea was that if they have layers with unknown CRS, also the
project's CRS would be set to unknown. So no reprojection would happen
and no warnings shown. Even measuring could work to some degree -
assuming planar coordinates, with unknown units. Warnings would be
issued only when user explicitly does an action where known CRS is
necessary - e.g. change project CRS, add a layer with different
(known) CRS. There could be a "learn more" button leading to a brief
explanation of CRS, projections and why is it good to have them in
order - we could educate our users :)
Martin
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