[Qgis-user] JPeg compression of tiff-file

[Andreas Neumann]

Hi,

Geotiff files can have tiles and overviews and georeference information whereas jpeg files cannot to my knowledge. Georeference information for jpeg files are stored in separate jpw files. Besides, due to tiling and overviews tif files can be very large. You could store all orthoimages of your region in a single file without performance problems.

Personally I use JPEG compressed tif files for all of my orthoimages. I don't like ECW or MrSid due to the unclear license issues. If you look into the archives of this list you see that people have troubles with these closed formats.

Andreas





Johan Nilsson <joni8135 at gmail.com> schrieb:

>Hi.
>Maybe little of topic but...
>I have found a ortofoto as a Geotiff-file that are compressed with
>jpeg.
>Why kompress tiff with jpeg and not make the hole file as jpg?
>
>Cheers
>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>Qgis-user mailing list
>Qgis-user at lists.osgeo.org
>http://lists.osgeo.org/mailman/listinfo/qgis-user

-- 
Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20130130/c17823f8/attachment.html>