On 07/29/2014 10:31 AM, Etienne Tourigny wrote: > On Tue, Jul 29, 2014 at 1:10 PM, Alex Mandel <tech_...@wildintellect.com> > wrote: > >> On 07/29/2014 01:45 AM, Peter Versteeg wrote: >>> thank you very much for the email. >>> >>> >>> >>> I think I am almost there. I have set the compression to LZW and did a >>> export and I did a export on high compression. Both are still really big. >>> >>> >>> >>> in your first mail you explained about: >>> >>> >>> >>> The type of number stored dictates a large amount of >> overhead, >>> there is >>> a huge difference between Integer and Float. >>> >>> -co COMPRESS=LZW -ot Int16 >>> >>> See http://www.gdal.org/gdal_translate.html for options. >>> Pick the >>> smallest type of number storage that holds your data >>> correctly. Most >>> GDAL tools will default to Float, that is likely the >>> difference. >>> >>> >>> >>> In the save raster as window where i also set the compress to LZW i did >> try >>> to ad a line but i do not know what to type. >>> >>> name: Int value 16 or name ot value int16 all do not work. >>> >>> >>> >>> Can you tell me what line to write >>> >>> >>> >>> gr Peter >>> >> >> As I said in my previous email: >> If that still isn't enough use GDAL Translate found on the Raster menu >> under Conversion. There you will be able to set all the possible options. >> >> Basically the options are not in the Save As dialog. I will talk to the >> developers about adding more options. >> > > You can do pretty much the same things as in the GDAL Translate tool - see > the "Creation Options" group box. What is missing exactly?
-ot is missing, which lets you set the number type int/float etc I have not tested if the save as dialog allows this, I was guessing that only -co options were allowed in the Create Options section. -ot is not a -co option, its a separate flag for gdal. Thanks, Alex _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user