Greetings,
I am attempting to make a time series using an image mosaic over data from
Nomads. The grib2 files I get from Nomads work perfectly as a grib2 data
source. However, when I attempt to create an image mosaic on top of the grib2
files all I end up with is blank tiles, and requests for data against the
exposed layer return no data, as though each point on the mosaic has no value.
I've created a datastore.properties, with valid postgres connection
information. I see the layer is represented in the postgres database, but a
couple of things are amiss. First the time column on the layer is null. Second
so is the imageindex column. The time column being null makes it impossible to
create a layer from the mosaic. If I populate the time column with a value I am
able to create a layer, but it is completely blank.
This is the grib file :
http://nomads.ncep.noaa.gov/cgi-bin/filter_hiresconus.pl?file=hiresw.t00z.arw_5km.f00.conus.grib2&lev_surface=on&var_TMP=on&leftlon=0&rightlon=360&toplat=90&bottomlat=-90&dir=%2Fhiresw.20160812
This is my indexer.xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Indexer>
<domains>
<domain name="time">
<attributes><attribute>time</attribute></attributes>
</domain>
</domains>
<coverages>
<coverage>
<schema name="Temperature_surface">
<attributes>the_geom:Polygon,location:String,imageindex:Integer,time:java.util.Date</attributes>
</schema>
<domains>
<domain ref="time" />
</domains>
<origName>Temperature_surface</origName>
<name>Temperature_surface</name>
</coverage>
</coverages>
<parameters>
<parameter name="AuxiliaryFile"
value="/gdata/grib/nomads_img/_auxiliary.xml" />
<parameter name="AbsolutePath" value="true" />
</parameters>
</Indexer>
This is my _auxiliary.xml
<?xml version="1.0" encoding="UTF-8"?><Indexer>
<coverages>
<coverage>
<schema name="Temperature_surface">
<attributes>the_geom:Polygon,location:String,imageindex:Integer,time:java.util.Date</attributes>
</schema>
<origName>Temperature_surface</origName>
<name>Temperature_surface</name>
</coverage>
</coverages>
</Indexer>
Any pointers would be greatly appreciated on how to get this grib2 data
functioning properly as an image mosaic. Many thanks!
[cid:image001.jpg@01D16575.4DC28DF0]
Steve Ferguson
Senior Software Systems Engineer
Forest Service Contractor
Digital Visions Enterprise Team
p: 919-999-4930 (PST)
sfergu...@fs.fed.us<mailto:sfergu...@fs.fed.us>
[cid:image002.png@01D16575.4DC28DF0]<http://usda.gov/>[cid:image003.png@01D16575.4DC28DF0]<https://twitter.com/forestservice>[cid:image004.png@01D16575.4DC28DF0]<http://facebook.com/USDA>
Caring for the land and serving people
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