In order to get my head back in the game after my absence, I manually translated the architecture document into "TracWiki" format (it was just html). This should make it easier to edit.<br><br><a href="http://trac.osgeo.org/postgis/wiki/WKTRaster/SeamlessArchitecture">http://trac.osgeo.org/postgis/wiki/WKTRaster/SeamlessArchitecture</a><br>
<br>There was a very interesting request on the user list while I was gone (<a href="http://postgis.refractions.net/pipermail/postgis-users/2011-July/030135.html">http://postgis.refractions.net/pipermail/postgis-users/2011-July/030135.html</a>): <br>
<br><blockquote style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;" class="gmail_quote">Is there an easy (and efficient) way to run a query to get all of the coordinate points (x,y index) from within a raster that are contained in a polygon? That would be quite interesting for us if we still need to build our own solution on top of the existing functionality for performance purposes. <br>
</blockquote><div><br>In relation to the "architecture" (and ISO 19123), they are asking for an implementation of the "select" method on a coverage. (<a href="http://trac.osgeo.org/postgis/wiki/WKTRaster/SeamlessArchitecture#Toplevelcoverage">http://trac.osgeo.org/postgis/wiki/WKTRaster/SeamlessArchitecture#Toplevelcoverage</a>) In our case, the user is asking for a "select" method on a grid (or "raster"), which backs the coverage. This illustrates the advantage of using 19123 as a conceptual baseline: it anticipates many needs from a variety of different use cases. We won't implement everything, but we can see where a request fits into the big picture.<br>
<br>:) <br><br>Bryce<br></div><br><br>