[GRASS-dev] problem with reading KML

Helmut Kudrnovsky hellik at web.de
Mon Feb 5 10:09:08 PST 2018


Anna Petrášová wrote
> Hi,
> 
> I ran into a weird problem with KML with 3D line, v.import failed when
> reprojecting it:
> 
> WARNING: pj_transform() failed: latitude or longitude exceeded limits
> 
> This happened with GRASS 7.4.0 64bit (GDAL 2.2.3) on Windows 10, on my
> Ubuntu with latest GRASS it works (GDAL 2.2.1). Weird thing is that I
> installed the same version of GRASS on Windows 10 virtual machine and
> there it worked without problems.
> 
> this is the output of ogrinfo - apparently it is confused with the
> geometry and misinterprets the coordinates:
> 
> 
> C:\Users\akratoc\Downloads>ogrinfo -al -so Vincent_Sarah_Flight1.kml
> INFO: Open of `Vincent_Sarah_Flight1.kml'
>       using driver `LIBKML' successful.
> 
> Layer name: Flight 1
> Geometry: Unknown (any)
> Feature Count: 1
> Extent: (-78.692375, 0.000000) - (201.124211, 121.723811)
> Layer SRS WKT:
> ...
> 
> The KML  itself looks good to me, I attached a smaller version of it.
> Anyone has experience with 3D KML? Maybe some GDAL trick is needed?

trying 

ogr2ogr -f KML ogr2ogr_flight.kml attachment-0001.kml
Warning 1: Layer name 'Flight 1' adjusted to 'Flight_1' for XML validity.
Warning 1: The output driver does not natively support DateTime type for
field timestamp. Misconversion can happen. -mapFieldType can be used to
control field type conversion.
Warning 1: The output driver does not natively support DateTime type for
field begin. Misconversion can happen. -mapFieldType can be used to control
field type conversion.
Warning 1: The output driver does not natively support DateTime type for
field end. Misconversion can happen. -mapFieldType can be used to control
field type conversion.
ERROR 1: Latitude 121.723811 is invalid. Valid range is [-90,90]. This
warning will not be issued any more
Warning 1: Longitude 191.180111 has been modified to fit into range
[-180,180]. This warning will not be issued any more

it seems to be an ogr2ogr/gdal issue as altitude 121.7238106567 is handled
as Longitude .



-----
best regards
Helmut
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