<div dir="ltr">Hi all,<div><br></div><div>I'm serving raster layers as time-series using a PostGIS tile index (<a href="http://spatial.mtri.org/cgi-bin/mapserv?REQUEST=GetCapabilities&SERVICE=WMS&map=watersensing_map">GetCapabilities</a>, for reference). </div><div><br></div><div>GetFeatureInfo is working fine for single timestamp requests, e.g.:</div><div><a href="http://spatial.mtri.org/cgi-bin/mapserv.fcgi?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&map=watersensing_map&QUERY_LAYERS=chl_erie&LAYERS=chl_erie&time=2015-09-06&height=512&width=512&srs=EPSG:4326&bbox=-83.55,39.45,-78.45,44.55&opacity=1&INFO_FORMAT=text/html&X=250&Y=250"><font size="1">http://spatial.mtri.org/cgi-bin/mapserv.fcgi?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&map=watersensing_map&QUERY_LAYERS=chl_erie&LAYERS=chl_erie&time=2015-09-06&height=512&width=512&srs=EPSG:4326&bbox=-83.55,39.45,-78.45,44.55&opacity=1&INFO_FORMAT=text/html&X=250&Y=250</font></a><br></div><div><div><br></div><div>However, when requesting <b>multiple</b> <b>discrete</b> time stamps (e.g. time=2015-09-06,2016-05-23), I get multiple results (i.e. a result for each timestamp), BUT the pixel value returned is the same for each result, representing the raster with the latest date:</div><div><font size="1"><a href="http://spatial.mtri.org/cgi-bin/mapserv.fcgi?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&map=watersensing_map&QUERY_LAYERS=chl_erie&LAYERS=chl_erie&time=2015-09-06,2016-05-23&height=512&width=512&srs=EPSG:4326&bbox=-83.55,39.45,-78.45,44.55&opacity=1&INFO_FORMAT=text/html&X=250&Y=250">http://spatial.mtri.org/cgi-bin/mapserv.fcgi?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetFeatureInfo&map=watersensing_map&QUERY_LAYERS=chl_erie&LAYERS=chl_erie&time=2015-09-06,2016-05-23&height=512&width=512&srs=EPSG:4326&bbox=-83.55,39.45,-78.45,44.55&opacity=1&INFO_FORMAT=text/html&X=250&Y=250</a></font><br></div><div><br></div><div>In my template, [value_list] returns just the single value (i.e. the value of the raster at the latest date), [value_0] returns that same value, and [value_1] returns nothing.</div><div><br></div><div>Is there anything obvious here that I'm doing wrong? Is this type of multiple timestamp pixel querying even supported?</div><div><br></div><div>thanks!</div><div>-Mike</div><div><br></div><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Michael Billmire, CMS-GIS/LIS<span><br>Research</span> <span>Scientist</span><br>
Michigan Tech <span>Research</span> Institute (MTRI)<br>
3600 Green Ct. Suite 100<br>
Ann Arbor, MI 48105<br>
<br>
<a href="mailto:michael.billmire@mtu.edu" target="_blank"><span>michael.billmire@mtu.edu</span></a><br>
work: <a value="+17349136853">734.913.6853</a><br>
cell: <a value="+15137390686">513.739.0686</a><br>
fax: <a value="+17349136880">734.913.6880</a></div></div>
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