Dear all,
I am experiencing trouble implementing a geotiff image mosaic store.
I have got meteorological .grib2 data, which I converted to geotiff using
gdalwarp with following command
gdalwarp -overwrite -t_srs EPSG:3857 --config CENTER_LONG 0 -wo SOURCE_EXTRA
=50 infile outfile
I know that grib mosaic can be served using geoserver too, but I chose to
convert to geotiff to enable creating contours and current arrows in the
lat/lon range of -180,180 instead of 0,360 (which is my source data bounding
box). I will also be serving the data using WMS in webmercator (EPSG: 3857),
so this way I am preventing a coordinate transformation on the fly. I do not
know if the performance gain will be mentionable, but nevermind, I did not
figure out a way to create contours outside of 0,360 of the source grib
anyway.
I tried using both shapefile and postgresql datastore for indexing - in both
cases, I think it gets indexed properly, entries appear in the database /
shapefile with corrent timestamp. Creating a store and a coverage view (one
or more bands) does not produce any error. I am able to select time as a
dimension, but when I try to preview the layer I get a blank image with
GetFeatureInfo returning 0.0 inside the coordinate bounds of the data
without any errors in log. I am able to see the images and data via
GetFeatureInfo from a single geotiff store/layer using one of these geotiffs
correctly though, which is confusing. Gdalinfo -stats also correctly sees
all the bands with the value statistics.
I am using default open layers preview of geoserver to display it. I also
tried to specify the time in the WMS query to match the image timestamp
using &time=2018-07-20T12:00:00.000Z even though I did set "Use the smallest
domain value" as default value. This also made no change.
The data, properties and screenshots are possible for download here:
https://www.dropbox.com/sh/2a16rh5e8moeech/AAD2Xc_0iwU4XcUnQIEGbZ85a?dl=0
Is it possible by any chance, that someone came to a same problem or at
least could point me to something, I might have overlooked?
*
GeoServer Version
2.14-SNAPSHOT
*
Git Revision
b2596b12fa705eec4969d040b5dc57947b6de70f
*
Build Date
10-Jul-2018 09:06
*
GeoTools Version
20-SNAPSHOT (rev 010ae3c319b600cd6a53292836c341fb7447fc26)
Best, Lubomír Bucek
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