Hi all,
I'm trying to serve a NetCDF file (CF-compliant), however the shape is
not as I would expect. Well - the rationale is that the dataset isn't a
true gridded dataset and to prevent multiple unused cells it uses
'points' as a dimension.
The shape looks like this:
dimensions:
points = 292332 ;
string45 = 45 ;
taxon = 10830 ;
variables:
int Date(points) ;
float lat(points) ;
float lon(points) ;
float crs ;
char AphiaID(taxon, string45) ;
char Taxon_Name(taxon, string45) ;
byte Pres_abs(taxon, points) ;
I can't import this in Geoserver:
"Caused by: java.lang.RuntimeException: java.lang.IllegalStateException:
Unable to create envelope for this dataset
at
org.geotools.imageio.netcdf.NetCDFImageReader.setInput(NetCDFImageReader.java:307)
at
java.desktop/javax.imageio.ImageReader.setInput(ImageReader.java:380)
at
org.geotools.coverage.io.netcdf.NetCDFAccess.<init>(NetCDFAccess.java:119)
... 152 more"
Is it related to the taxon dimension which is basically non-numerical or
should points be reshaped in a time/lat/lon structure? (which will make
this file very very large, as the points have not that many
lats/lons/dates in common)
On the other hand - points x taxon = 3165955560 values in the Pres_abs
variable - which is larger than 2^31-1 (and that is the maximum value
for an array in a java application) Before I dive into converting the
points dimension to lat/lon/time I would like to know if someone managed
to serve a quite large NetCDF into Geoserver.
Happy to read your ideas/help on this.
Thanks,
Fred.
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