<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 10pt;
font-family:Verdana
}
--></style>
</head>
<body class='hmmessage'>
<pre>Hi Simone,<br>The issue <br><a href="http://jira.codehaus.org/browse/GEOS-3702217" target="_blank" onclick="onClickUnsafeLink(event);">http://jira.codehaus.org/browse/GEOS-3702217</a></pre>is not avaliable.<br><br><br>Pablo Torres Carreira
<br><br><br><br>> Date: Wed, 27 Jan 2010 18:39:51 +0100<br>> Subject: Re: [OSGeo-Discuss] WCS/WMS accuracy tests?<br>> From: simone.giannecchini@geo-solutions.it<br>> To: discuss@lists.osgeo.org<br>> <br>> Hi there,<br>> any feedback on this from the gdal/mapserver folks?<br>> Anyone looked into my findings?<br>> <br>> Simone.<br>> -------------------------------------------------------<br>> Ing. Simone Giannecchini<br>> GeoSolutions S.A.S.<br>> Founder - Software Engineer<br>> Via Carignoni 51<br>> 55041 Camaiore (LU)<br>> Italy<br>> <br>> phone: +39 0584983027<br>> fax: +39 0584983027<br>> mob: +39 333 8128928<br>> <br>> <br>> http://www.geo-solutions.it<br>> http://geo-solutions.blogspot.com/<br>> http://www.linkedin.com/in/simonegiannecchini<br>> http://twitter.com/simogeo<br>> <br>> -------------------------------------------------------<br>> <br>> <br>> <br>> On Thu, Dec 10, 2009 at 11:45 PM, Simone Giannecchini<br>> <simone.giannecchini@geo-solutions.it> wrote:<br>> ><br>> > Dear All,<br>> > I have spent some time investigating this isue with GeoServer trunk.<br>> ><br>> > Here:<br>> ><br>> > http://jira.codehaus.org/browse/GEOS-3702217<br>> ><br>> > you can find a quick detailed report. I am particularly interested in FrankW<br>> > feedback.<br>> ><br>> ><br>> > Ciao,<br>> > Simone<br>> ><br>> > Steven M. Ottens wrote:<br>> >><br>> >><br>> >> On Dec 7, 2009, at 5:47 PM, Stephen Woodbridge wrote:<br>> >><br>> >>> Steven M. Ottens wrote:<br>> >>>><br>> >>>> I know there have been speed tests between different WMS services,<br>> >>>> but I'm wondering has there been any data-quality/accuracy test been<br>> >>>> done between WMS and/or WCS services?<br>> >>><br>> >>> I wonder if this is the difference between pixel as a point versus pixel<br>> >>> as an area. Mapserver uses gdal to handle GeoTiff files and Frank has put<br>> >>> a lot of effort in Gdal to handle this correctly.<br>> >>><br>> >> That's our feeling as well. Andrea mentioned that there's an issue with<br>> >> different interpretations on the location of a pixel (centre vs.<br>> >> top-left).<br>> >><br>> >>> Also, I'm surprised that there is any shift in mapserver because I do not<br>> >>> think mapserver reprojects data if the in and out projections are the<br>> >>> same. I can speak for the other services as I don't know how they work.<br>> >><br>> >> I'll be doing more detailed tests tomorrow and will post an overview then<br>> >> with the exact versions and configurations and results if people want to<br>> >> reproduce them. I f people have suggestions for specific tests or<br>> >> configurations I'm happy to apply those if possible.<br>> >><br>> >> Going to test with the latest Geoserver nightly, Mapserver 5.6.0-rc1,<br>> >> Deegree 2.3 rc1 on a windows 2003 machine. With two different GeoTIFFs<br>> >> (one in epsg:4326 and one in epsg:3035)<br>> >><br>> >> Steven_______________________________________________<br>> >> Discuss mailing list<br>> >> Discuss@lists.osgeo.org<br>> >> http://lists.osgeo.org/mailman/listinfo/discuss<br>> >><br>> >><br>> ><br>> > --<br>> > View this message in context: http://n2.nabble.com/WCS-WMS-accuracy-tests-tp4127002p4148407.html<br>> > Sent from the OSGeo Discuss mailing list archive at Nabble.com.<br>> > _______________________________________________<br>> > Discuss mailing list<br>> > Discuss@lists.osgeo.org<br>> > http://lists.osgeo.org/mailman/listinfo/discuss<br>> ><br>> _______________________________________________<br>> Discuss mailing list<br>> Discuss@lists.osgeo.org<br>> http://lists.osgeo.org/mailman/listinfo/discuss<br>                                            <br /><hr />Quer fazer um álbum íncrivel? <a href='http://www.eutenhomaisnowindowslive.com.br/?utm_source=MSN_Hotmail&utm_medium=Tagline&utm_campaign=InfuseSocial' target='_new'>Conheça o Windows Live Fotos clicando aqui.</a></body>
</html>