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<span>We have just been looking at a proposal for a Join interface (an extension to our Query) interface in GeoTools. If you would like to drop by geotools-devel you will find this to be a topical subject.</span></div><div><span><br></span></div><div><span>The functionality of a join is part of the Web Feature Server 2.0 specification so you should find a lot of projects running into it as a concept over the next year.<br>
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<span><br>-- <br>Jody Garnett<br><br></span>
<p style="color: #a0a0a0;">On Thursday, 30 June 2011 at 8:25 AM, Steve Stanton wrote:</p>
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<span><div><div><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td valign="top" style="font: inherit;"><div><font face="arial" size="2">I'm looking for a project that I could contribute to as a C# (maybe Java) developer.</font></div><div><font face="arial" size="2"><br></font></div><div><font face="arial" size="2">In particular, I'm looking for something that focuses on ways to perform flexible </font><span style="font-family: arial; font-size: small; ">spatial joins with some degree of efficiency. The simplest case I'm thinking of is </span><span style="font-family: arial; font-size: small; ">where someone picks 2 or more database tables (associated with location), and asks </span><span style="font-family: arial; font-size: small; ">to see a combined table. No maps involved, just tables (with the
overlapping ground </span><span style="font-family: arial; font-size: small; ">area thrown in if we're dealing with a polygon/polygon overlay).</span></div><div><font face="arial" size="2"><br></font></div><div><font face="arial" size="2">A more complex case would be a situation where someone wants to isolate an area based </font><span style="font-family: arial; font-size: small; ">on the attributes in database tables, but doesn't have any advance idea of where to </span><span style="font-family: arial; font-size: small; ">start looking. For example, I'm looking for a combination of A+B+C that covers at least </span><span style="font-family: arial; font-size: small; ">1000 hectares, but I'm starting with a database that covers the whole world. So to obtain </span><span style="font-family: arial; font-size: small; ">some measure of efficiency, it would presumably be nice to have access to related</span></div><div><font face="arial" size="2">generalizations of the location data.</font></div><div><font face="arial" size="2"><br></font></div><div><font face="arial" size="2">Is anyone working on this sort of thing?</font></div><div style="font-family: arial; font-size: 10pt; "><br></div><div style="font-family: arial; font-size: 10pt; ">Steve</div></td></tr></tbody></table></div><div>_______________________________________________<br>Discuss mailing list<br><a href="mailto:Discuss@lists.osgeo.org">Discuss@lists.osgeo.org</a><br><a href="http://lists.osgeo.org/mailman/listinfo/discuss">http://lists.osgeo.org/mailman/listinfo/discuss</a><br></div></div></span>
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