[Qgis-user] Projection question

[Mikhail Umorin]

Well, I did find out (by asking): the original .sid file (which I
converted to geotiff) did not contained any spatial/projection
information. No wonder!

Sorry for the trouble!

Mikhail.

>>> On 3/31/09 at 8:25 PM, in message
<419243249.20090331202551 at gis-lab.info>,
Maxim Dubinin <sim at gis-lab.info> wrote:
> Privet Mikhail,
> 
> Are you sure both shape and geoTIFF projections are assigned
> correctly? I mean is data really in the projection you says it is?
> 
> -- 
> Maxim
> 
> Вы писали 31 марта 2009 г., 20:08:01:
> 
> MU> Hello —
> 
> MU> I have a problem with rendering layers with different
projections. I
> MU> have an SHP file with "+proj=longlat +ellps=GRS80 +datum=NAD83
+no_defs"
> MU> and a geoTIFF file with "+proj=longlat +ellps=WGS84 +datum=WGS84
> MU> +no_defs". That's all the projection data from "Properties". They
cover
> MU> exactly the same area but do not even overlap in QGIS. I also
noticed
> MU> that when geotiff file is rendered the distances that should be
3
> MU> degrees are shown as about 10 degrees (my project options are set
to
> MU> Decimal Degrees) . I suspect that there is some confusion with
> MU> meters/feet somewhere in the reprojection process. 
> 
> MU> Is there any way to add "+units" option to the description of
the
> MU> layer's projection? Would this solve the problem?
> 
> MU> Thank you for your time, 
> 
> MU> Mikhail.
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