Hi,
Forgot to mention the link to the file, just in case you have time
testing - see https://services.geo.zg.ch/temp/dtmav.zip (138 MB zipped
file).
Thanks,
Andreas
On 11.09.2017 15:43, Andreas Neumann wrote:
Hi,
I received a DTM from a Swiss province (OpenData) which is of the
following format:
One coordinate per line, already gridded. See f.e.
2708001.00 1218001.00 1541.52
2708003.00 1218001.00 1542.35
2708005.00 1218001.00 1542.98
2708007.00 1218001.00 1543.58
2708009.00 1218001.00 1544.20
2708011.00 1218001.00 1545.13
2708013.00 1218001.00 1545.88
The issue is that further down the file there seems to be an issue of
ordering the coordinates. gdalinfo produces the following error:
ERROR 1: Ungridded dataset: At line 4125001, change of Y direction
gdalinfo failed - unable to open 'DTM_swissALTI3D_XYZ.txt'.
If GDAL could open the data - it would open as ungridded data - right?
Issue is, this data is already gridded as you can see above. I
actually want to save this is a gridded GeoTIFF file for later usage
in QGIS.
Is there still a chance that GDAL can open this data set, even if
coordinates are out of order?
How about the gridded vs ungridded aspect of xyz files?
Thanks,
Andreas
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