Hi Andrea,
I've submitted a bug report on JIRA. I have a ~80MB example zip.
How would you prefer I send that to you?
Steve
Stephen Mather, GIS Manager
Cleveland Metroparks
4101 Fulton Pkwy
Cleveland, OH 44144
s...@clevelandmetroparks.com
Phone: (216) 635-3243
FAX: (216) 635-3286
-----Original Message-----
From: Andrea Aime [mailto:aa...@opengeo.org]
Sent: Thursday, March 18, 2010 11:22 AM
To: Stephen Mather
Cc: geoserver-devel@lists.sourceforge.net
Subject: Re: [Geoserver-devel] Image pyramid improvements and tutorial
Stephen Mather ha scritto:
> Hi Andrea,
> I've been working on giving it a spin with our own data. The
> tutorial is excellent. Easy to read and follow.
> I'm currently testing it on a Windows 2003 server with nightly
> build geoserver-2.0.x-2010-03-03-bin.zip, and
> geoserver-2.0.2-SNAPSHOT-pyramid-plugin.zip
> The test I've been doing is with 0.5ft (0.15m) color orthophotos
> that sum to about 150GB as TIFFs. They are currently tiled as
> 5000x4000 images. I've retiled them with gdal_retile as 2048x2048
> images with overviews with the following command:
>
> gdal_retile -v -s_srs "EPSG:102722" -levels 5 -ps 2048 2048 -targetdir
> test3 --optfile tilelist.txt
>
> I'm currently working on a subset of the data for testing. Checking
> all the tiles generated from gdal_retile, they all look fine in an
> image viewer, and check out (with a spot check) with gdalinfo.
>
> When I load them in GeoServer, I get a strange effect. Some of the
> tiles never render at their full resolution for a given zoom level,
> but at a reduced resolution. If I load ~16 tiles vs. loading e.g. 40+
> tiles the places where this happens shifts, i.e. tiles that were a
> problem before stop being a problem, while other tiles exhibit the
> same behavior.
>
> Does this make sense, is this an effect you've seen, and would images
> and log files be helpful?
I actually never seen this effect.
Can you open a report on Jira?
To be effective we should also be able to reproduce the problem. Can you
generate it with any freely available imagery set?
Cheers
Andrea
--
Andrea Aime
OpenGeo - http://opengeo.org
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