Thanks for the suggestion, but I must avoid writing warped images at
this stage. The georeferencing is only approximate
as it is based on the crude navigation system of the miniUAV. The tfw
file is intended to have a first
positioning of the image on the map to check results and, eventually,
to fac
Hi,
> I have hundreds of images from a miniUAV, and all of them
> are rotated according to a tfw file. QGIS positions the image within
> a rectangle of 0, so I need to set 0,0,0 to transparent, otherwise
> most of the area is overlapped by black.
> Doing this manually for each image is tedious...
Thanks, Alexander. Bad news, as it seems this is not
fixed for 1.7
I have hundreds of images from a miniUAV, and all of them
are rotated according to a tfw file. QGIS positions the image within
a rectangle of 0, so I need to set 0,0,0 to transparent, otherwise
most of the area is overlapped by blac
Hi Agustin,
this is a bug. See http://trac.osgeo.org/qgis/ticket/3723
and probably http://trac.osgeo.org/qgis/ticket/3733
2011/5/9 Agustin Lobo :
> Hi!
>
> I set transparency in Properties/Transparency/Transparent pixel list as
> 0,0,0 100%
> (i.e, 100% transparent if 0 in all 3 bands)
> and save