I wonder if GDAL shouldn't suggest sorting as a means of fixing the issue, possibly with Mark's command?
On Sep 11, 2017 7:32 AM, "Andreas Neumann" <[email protected]> wrote: > Hi Mark (and others), > > Your sort command worked like a charm. It was also very fast! > > Now gdalinfo produces this nice information output: > > Driver: XYZ/ASCII Gridded XYZ > Files: dtmav_sorted.xyz > Size is 5000, 5000 > Coordinate System is `' > Origin = (2708000.000000000000000,1210000.000000000000000) > Pixel Size = (2.000000000000000,2.000000000000000) > Corner Coordinates: > Upper Left ( 2708000.000, 1210000.000) > Lower Left ( 2708000.000, 1220000.000) > Upper Right ( 2718000.000, 1210000.000) > Lower Right ( 2718000.000, 1220000.000) > Center ( 2713000.000, 1215000.000) > Band 1 Block=5000x1 Type=Float32, ColorInterp=Undefined > Min=728.210 Max=2294.290 > NoData Value=0 > > Now I can open this in QGIS as a normal data source and simply safe as a > GeoTIFF file. > > Thanks a lot to all who answered so quickly! > > Glad that a simple sort command on the command line helped to solve the > issue! I will contact the data provider and ask them if they could deliver > this data in an already sorted form so that GDAL recognizes it as gridded > data. > > Andreas > > On 11.09.2017 16:12, Mark Johnson wrote: > > You must sort the data beforehand > - the y position must be sorted properly (ASC or DESC) > > Standard linux sort program: > > sort -k2 -n -k1 392_5810.xyz -o 392_5810.sort.xyz > > (2nd column (y) as numeric, then first column (x) -o = output file > > As a zip file you can also do: > > unzip -p 390_5820.zip | sort -k2 -n -k1 -o ../xyz/390_5820.dhhn92.txt > > that would deal with problem in 1 step. > > ogr needs to know the range/area to build (minx,miny,maxx, maxy), so when > the y switches it assumes a new column. > > Mark > > > _______________________________________________ > gdal-dev mailing > [email protected]https://lists.osgeo.org/mailman/listinfo/gdal-dev > > > > _______________________________________________ > gdal-dev mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/gdal-dev >
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