[Qgis-user] gdal merge

[Peter Petrik]

Hi, which QGIS installer do you use? If you use all-in-one (default), feel
free to create ticket for missing tools in
https://github.com/qgis/QGIS-Mac-Packager/issues

Cheers,
Peter

On Mon, Feb 1, 2021 at 12:28 AM Nicolas Cadieux <njacadieux.gitlab at gmail.com>
wrote:

> Hi,
>
> I don’t have a pc or Mac in front of me to test but you have  multiple
> options if so options are not available in the GUI. One is to create a
> virtual raster (on pc, the GUI has multiple options) and then to open that
> layer and save it under another name.  The other is to open a terminal and
> use gdal_merge directly.
>
> https://gdal.orgprograms/gdal_merge.html
>
> Nicolas Cadieux
> https://gitlab.com/njacadieux
>
> Le 31 janv. 2021 à 15:30, Berndt, Christian <cberndt at geomar.de> a écrit :
>
> Hello,
>
> I would like to merge three overlying raster files (highest resolution on
> top).
>
> I have looked for online documentation and found a very suitable
> description here:
> https://docs.qgis.org/3.16/en/docs/training_manual/processing/cutting_merging.html
>
> Unfortunately, when I open gdal - miscellaneous - merge on my Mac 10.15.7
> with qgis 3.16.3
> I do not see the options: interpolation, overlapping cells, and cell size
> as in the documentation page.
>
> Do I use the wrong processing tool, is there a version conflict, do I have
> to install a different gdal
> version, is this an obsolete documentation, or is this a Mac / PC problem?
>
> Of course I would also be happy to find out other options for merging the
> grids.
>
> Best regards,
> Christian
>
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