[mapserver-users] GetFeatureInfo

[Iratxe Lejarreta]

On Monday 05 October 2009 09:26:35 pm Rahkonen Jukka wrote:
> Hi,
>
> X and y in GetFeatureInfo request are image pixel coordinates, not
> geographic ones.  See how ESRI describes it
> http://webhelp.esri.com/arcims/9.2/general/mergedProjects/wms_connect/wms_c
>onnector/get_featureinfo.htm
>
> -Jukka Rahkonen-
>
>
>
> Iratxe Lejarreta wrote:
>
> Hi,
>
> When I execute the following command, Postfix return the correct result:
> select * from building where
> ST_INTERSECTS(geom,'SRID=23030;POINT(579389.40625 4795144.78125)');
>
> But when I execute GetFeatureInfo request in MapServer with the same
> point(x,y), the response doesn't return any result:
> http://localhost/cgi-
> 
bin/test?&SERVICE=wms&VERSION=1.1.1&REQUEST=getfeatureinfo&LAYERS=mylayer&Q
>UERY_LAYERS=mylayer&x=579389.40625&y=479511.78125&INFO_FORMAT=text/html&SRS=
>EPSG:23030&BBOX=532666.0,4749720.0,603151.0,4805350.0&WIDTH=512&HEIGHT=512
>
> My map file:
>
> MAP
> NAME "TEST"
> STATUS ON
> SIZE 400 300
> SYMBOLSET symbols.sym
> EXTENT 530000 4740000 610000 4820000
> UNITS METERS
> SHAPEPATH "data"
> IMAGECOLOR 255 255 255
> FONTSET fonts.txt
>
> WEB
>         IMAGEPATH "/tmp/"
>         IMAGEURL "/tmp/"
>         HEADER "../templates/test_header.html"
>         FOOTER "../templates/test_footer.html"
>         METADATA
>                 "wms_title"             "Test"
>                 "wms_onlineresource"    "http://localhost/cgi-bin/test?"
>                 "wms_srs"               "EPSG:23030"
>                 "wms_feature_info_mime_type"    "text/html"
>         END
> END
>
> PROJECTION
>         "init=epsg:23030"
> END
>
> LAYER
>         NAME mylayer
>         PROJECTION
>                 "init=epsg:23030"
>         END
>         TYPE POLYGON
>         STATUS ON
>         DUMP TRUE
>         UNITS METERS
>         TEMPLATE "../templates/mylayer_body.html"
>         CONNECTIONTYPE postgis
>         CONNECTION "host=localhost port=5432 dbname=mydb user=postgres
> password=******"
>         DATA "the_geom from mylayer"
>         METADATA
>                 "wms_title"             "mylayer"
>                 "wms_srs"               "EPSG:23030"
>                 "wms_extent"            "532666 4749720 603151 4805350"
>                 "wms_feature_info_mime_type"    "text/html"
>                 "wms_include_items"     "all"
>         END
>         TOLERANCE 5
>         CLASS
>                 NAME "building"
>                 STYLE
>                         COLOR 200 255 0
>                         OUTLINECOLOR 120 120 120
>                 END
> 	END
> END
>
> END
>
>
> I tried the same map configuration with another layer but with SRS:4326 and
> the result of GetFeatureInfo request is ok.
> If the difference is the projection and extent, where is the error?
>
> Thanks in advance!

Ok, I changed X and Y but the result is null.
The same request with shapefile gives me the result that I want, but with 
postgis I don't receive any result.
Is there any bug with MapServer and Postgis in a different projection than 
4326?
Thanks!
-- 
Iratxe Lejarreta
www.axios.es
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