On Fri, Aug 10, 2018 at 7:10 AM Tyler Youschak <tyleryousc...@gmail.com>
wrote:
> Hello all,
>
> I’m new to GeoServer and have found it to be quite interesting! I’ve read
> through the documentation and spent hours searching the internet to get
> where I’m at today – but that’s what brings me here. I’m stuck!
>
> I’m working on weather radar mapping using GeoServer. From the National
> Weather Service, I am able to download grib data and use gdal_translate to
> save the data as a tif.
>
Any reason not to use the GRIB reader available in GeoServer as an
extension?
> From there, I uploaded my tif to my GeoServer and created a store where I
> added my radar.tif as a GeoTIFF. Notice, I have a sld file for coloring my
> tif. Now the issue comes in with the BoundingBoxes – I have no clue what to
> enter for these fields and the server auto populated, but is what it auto
> populated with right?
>
It reflects what is declared in the source file headers, so it's as correct
as they are.
Normally it's not so hard to figure out if a dataset projection or bbox are
out of place, if you don't know the coordinates
a rough check can be made by taking some reference cartography (e.g.,
natural earth countries or admnistrative subdivision),
load it in Geoserver and ask for both layers, see if the data is in the
area you expected it to be.
> Now, this did allow me to view my data using the layer preview and I even
> tossed it on a web map I’m working on and that looks great (preview below),
> BUT if you zoom greater than 22 the tiles disappear. I do not believe that
> this should happen and I should be able to further zoom on a specific tile.
>
Are you oversampling the original, native resolution or the file by much?
Say 100 times or more? If so, it's a known issue, no one has been
bothered to fund a fix for it so far. Mind, as far as I know this is in
image processing, changing the source format should not result in a
different behavior, but... who knows :-)
> Finally, I then decided that I would try out the GeoWebCache and thought
> that maybe I could serve my web client tiles with zxy, and it appears that
> is a no go. If I try to access `
> http://104.156.249.38:8080/geoserver/gwc/service/tms/1.0.0/radar:radar-test-pallet@EPSG:4326@png/0/0/0.png`
> <http://104.156.249.38:8080/geoserver/gwc/service/tms/1.0.0/radar:radar-test-pallet@EPSG:4326@png/0/0/0.png>
> for instance, I get `Coverage [minx,miny,maxx,maxy] is [1, 0, 0, 0, 0],
> index [x,y,z] is [0, 0, 0]` and no map tile. I think this could be referred
> back to my original bounding box issue OR a gridset issue.
>
Hmmm.. here I'm not sure, never use TMS personally (I use WMTS insteadl),
others might be able to help you better.
GWC won't serve just any random tile, it has validity ranges depending on
the area covered by your source data (only serves tiles overlapping the
data bounding box)
Unfortunately TMS does not provide the validity ranges like WMTS does,
though the error message is a bit strange.
Cheers
Andrea
==
GeoServer Professional Services from the experts! Visit http://goo.gl/it488V
for more information. == Ing. Andrea Aime @geowolf Technical Lead
GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa (LU) phone: +39
0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549
http://www.geo-solutions.it http://twitter.com/geosolutions_it
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