<html><body bgcolor="#FFFFFF"><div>I haven't looked under the hood, but I think that MapBox may do a similar thing. <a href="Http://Mapbox.com"><a href="Http://Mapbox.com">Http://Mapbox.com</a></a><br><br><div><br></div></div><div><br>On Jul 7, 2011, at 5:18 PM, Alessandro Ferrucci <<a href="mailto:alessandroferrucci@gmail.com">alessandroferrucci@gmail.com</a>> wrote:<br><br></div><div><span></span></div><blockquote type="cite"><div>I don't think these implementations are comparable to what Google is doing.<br><br>These implementations require you to click a button and for a request to go back to the server and come back.<br><br>Google doesn't ever go back to the server, they (efficiently) send everything over on map/layer load and then are able to know when you hover over a feature/box.<br>
<br><div class="gmail_quote">On Wed, Jul 6, 2011 at 4:37 PM, Arnd Wippermann <span dir="ltr"><<a href="mailto:arnd.wippermann@web.de"><a href="mailto:arnd.wippermann@web.de">arnd.wippermann@web.de</a></a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hi,<br>
<br>
look at these two examples, that uses a comparable approach<br>
(showing a WMS layer and request data at the mouseposition)<br>
<a href="http://dev.openlayers.org/releases/OpenLayers-2.10/examples/getfeatureinfo-c%0Aontrol.html" target="_blank"><a href="http://dev.openlayers.org/releases/OpenLayers-2.10/examples/getfeatureinfo-c">http://dev.openlayers.org/releases/OpenLayers-2.10/examples/getfeatureinfo-c</a><br>
ontrol.html</a><br>
<a href="http://dev.openlayers.org/releases/OpenLayers-2.10/examples/getfeature-wfs.h%0Atml" target="_blank"><a href="http://dev.openlayers.org/releases/OpenLayers-2.10/examples/getfeature-wfs.h">http://dev.openlayers.org/releases/OpenLayers-2.10/examples/getfeature-wfs.h</a><br>
tml</a><br>
<br>
Unfortunately it seems , that the server <a href="http://demo.opengeo.org" target="_blank"><a href="http://demo.opengeo.org">http://demo.opengeo.org</a></a> is down.<br>
<font color="#888888"><br>
Arnd<br>
<br>
</font></blockquote></div><br><br clear="all"><br>-- <br>Signed,<br>Alessandro Ferrucci<br>
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