OK so I was a bit inaccurate. The time value comes from the default
value in the mapcache xml tileset dimensions config,
I think this is happens here:
https://github.com/MapServer/mapcache/blob/main/lib/service_wms.c#L883-L893
and it looks to me if no value for the dimension is set then the default
values us used. Seems OK, but why is not my time value not handled.
I guess I need some digging. Is the param and dimmension->name maybe
case sensitive?
Trygve
Den 2023-04-14 15:51, skrev Trygve Aspenes via MapServer-users:
Hi mapserver users list
I have a mapserver with getfeatureinfo available. This seems to return
the correct value for the selected timestamp for the given layer when
used directly.
But when I try to reach the same info, ie. getfeatureinfo, from
mapcache a wrong timestamp is passed to mapserver and then the wrong
values are returned.
The request received by mapcache(as seen in the logs):
2023-04-14T13:34:20.304781696Z 172.16.16.234 - - [14/Apr/2023:13:34:20
+0000] "GET /okd-satellite
&SERVICE=WMS&REQUEST=GetFeatureInfo&VERSION=1.1.1&LAYERS=ash_meteosat_0deg&QUERY_LAYERS=ash_meteosat_0deg&SRS=EPSG%3A3857&BBOX=-3396560.8725830186,6408480.4514,7422652.026383018,11520588.9031&WIDTH=1782&HEIGHT=842&X=333&Y=704&FORMAT=image/gif&INFO_FORMAT=text/html&STYLES=&&TIME=2023-04-11T07%3A15%3A00Z
The request received by mapserver(as seen in the logs):
2023-04-14T13:34:20.303555611Z 172.16.2.224 - - [14/Apr/2023:13:34:20
+0000] "GET
/okd-satellite?VERSION=1.1.1&REQUEST=GetFeatureInfo&SERVICE=WMS&STYLES=&FORMAT=image%2fpng&LAYERS=ash_meteosat_0deg&MAP=%2fconfig%2fmapserver-products.map&BBOX=-3396560.872583%2c6408480.451400%2c7422652.026383%2c11520588.903100&WIDTH=1782&HEIGHT=842&SRS=EPSG%3a3857&X=333&Y=704&INFO_FORMAT=text%2fhtml&QUERY_LAYERS=ash_meteosat_0deg&time=2023-03-25T16%3a00%3a00Z
HTTP/1.1" 200 743 "-" "mod-mapcache/1.11dev"
So what happens. The mapcache request looks correct with
time=2023-04-11T07:15:00Z, then I guess this request is forwarded to
mapserver, but I think it is without the TIME parameter. Why I think
this is because the request I see in the mapserver logs has the
default time stamp as given in my mapfile.
Are there some configuration I'm missing? I had a look at
https://github.com/MapServer/mapcache/blob/main/mapcache.xml.sample#L753-L763
to see how getfeatureinfo should be configured, but no other
information. My mapcache source config looks like
<source name="ash_meteosat_0deg_source" type="wms">
<http>
<url>http://<my-url>?</url>
</http>
<getmap>
<params>
<FORMAT>image/png</FORMAT>
<LAYERS>ash_meteosat_0deg</LAYERS>
<MAP><my map file></MAP>
</params>
</getmap>
<getfeatureinfo>
<info_formats>text/html</info_formats>
<params>
<QUERY_LAYERS>ash_meteosat_0deg</QUERY_LAYERS>
</params>
</getfeatureinfo>
</source>
Any hints are appreciated.
Trygve
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