p 4:
Mosaic_rgba_qgis.vrt
Duarte
-Mensagem original-
De: Duarte Carreira
Enviada: quinta-feira, 18 de Julho de 2013 13:01
Para: 'Even Rouault'
Cc: 'gdal-dev@lists.osgeo.org'
Assunto: RE: [gdal-dev] gtiff with internal mask
So... now I 've got issues building the ov
: Duarte Carreira
Enviada: quinta-feira, 18 de Julho de 2013 13:01
Para: 'Even Rouault'
Cc: 'gdal-dev@lists.osgeo.org'
Assunto: RE: [gdal-dev] gtiff with internal mask
So... now I 've got issues building the overviews. Gdaladdo loses the
transparency so I get to see black a
Please ignore previous email... should be a note to self...
-Mensagem original-
De: Duarte Carreira
Enviada: sexta-feira, 19 de Julho de 2013 12:27
Para: 'Even Rouault'
Cc: 'gdal-dev@lists.osgeo.org'
Assunto: RE: [gdal-dev] gtiff with internal mask
Ok, para co
viada: quarta-feira, 17 de Julho de 2013 19:41
Para: 'Even Rouault'
Cc: gdal-dev@lists.osgeo.org
Assunto: RE: [gdal-dev] gtiff with internal mask
Well, you're right... I messed up recreating the footsteps...
So, cleaning up:
1) create a rgba vrt using gdalwarp to cut the original mos
arreira
Cc: gdal-dev@lists.osgeo.org
Assunto: Re: [gdal-dev] gtiff with internal mask
Le mercredi 17 juillet 2013 14:23:29, Duarte Carreira a écrit :
> Hi Even.
>
> Thanks so much for your tip! It works. I did have to specify I did not
> want an alpha band when cutting with the shapefile:
>
pha band.
>
> Thanks again!
> Duarte
>
> -Mensagem original-
> De: Even Rouault [mailto:even.roua...@mines-paris.org]
> Enviada: terça-feira, 16 de Julho de 2013 18:58
> Para: gdal-dev@lists.osgeo.org
> Cc: Duarte Carreira
> Assunto: Re: [gdal-dev] gtiff with i
geo.org
Cc: Duarte Carreira
Assunto: Re: [gdal-dev] gtiff with internal mask
Le mardi 16 juillet 2013 12:29:37, Duarte Carreira a écrit :
> I'm trying to create gtiffs with transparent areas where there are
> voids between my original images.
>
> I have successfully done it by u
Le mardi 16 juillet 2013 12:29:37, Duarte Carreira a écrit :
> I'm trying to create gtiffs with transparent areas where there are voids
> between my original images.
>
> I have successfully done it by using an alpha band but this process created
> 3x larger images. I think partly because of an add
I'm trying to create gtiffs with transparent areas where there are voids
between my original images.
I have successfully done it by using an alpha band but this process created 3x
larger images. I think partly because of an additional 4th band and partly
because I cannot use ycbcr to compress w
