[Qgis-user] VIIRS geolocation data

[Nicolas Cadieux]

Hi,
Welcome to QGIS!

You will probably enjoy the semi-Automatic Classification Plugin then! 
You can also look at Opticks 
http://opticks.org/confluence/display/opticks/Welcome+To+Opticks

I have not used the VIIRS data but have you tried using the GDAL 
Georeferencer plugin?  If you have coordinates of all 4 corners, it 
should be easy to do.  Be careful of the chosen algorithm unless you 
don't mind changing the data.

Also, you can try using a world file if you first export it to a .tiff 
(Raster/conversion/Translate)

This is was a test.tiffw wold file looks like.  It would georeference 
test.tiff if found in the same directory.
0.00185013204225353
0
0
-0.00185013204225353
-74.04486388644366457
46.02451243397887737

Go here for more information.
http://en.wikipedia.org/wiki/World_file

Hope this helps
Nicolas Cadieux



Le 2015-05-08 16:13, Dr. Mitchell Andrew Schull [via OSGeo.org] a écrit :
> Hi all,
>
> I’m a new qGIS user (yesterday).  I’m trying to find a good ENVI 
> replacement and it seems like qGIS is pretty good.  One of the nice 
> features is the ability to quickly map your data on Google Earth 
> without having to create a KML via GEarth_View.  Unfortunately if your 
> data is not properly referenced it doesn’t work. That all being said I 
> am running into the issue where I can open VIIRS data which is awesome 
> however even though it has Lat and Lon info given as separate layers 
> in the H5 product there doesn’t seem to be a way to add it to the file 
> and possibly create a geotiff.  Of course then I cannot use Google 
> Earth.  I would also like to overlap imagery for analysis so its 
> annoying.  Any ideas?  Anybody wrote a plugin for this?
>
> Thanks
>
> Mitch
>
>
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