[mapserver-users] RE Problem using WMS GetFeatureInfo in OpenLayers with different projections

[Dejan Gambin]

Tried...no luck :-(

Thx anyway

On 16. sij. 2014., at 14:36, Steve.Toutant at inspq.qc.ca wrote:

> 
> In the metadata tag of your layer try set 
> "wms_srs"   "EPSG:4326 EPSG:900913" 
> 
> 
> 
> 
> Dejan Gambin <dejan.gambin at coin.hr>@lists.osgeo.org 
> Envoyé par : mapserver-users-bounces at lists.osgeo.org
> 2014-01-16 05:03
> 
> A
> mapserver-users at lists.osgeo.org
> cc
> Objet
> [mapserver-users] Problem using WMS GetFeatureInfo in OpenLayers        with different projections
> 
> 
> 
> 
> 
> 
> 
> Hi,
> 
> I am trying to send WMS GetFeatureInfo request using OL WMSGetFeatureInfo control. My source data is in 4326 and map is displayed in 900913. I have something like this in mapfile:
> 
> LAYER
>  NAME "mylayer"
>  TYPE RASTER
>  STATUS ON
>  PROJECTION
>    "init=epsg:4326"
>  END      
>  METADATA
>    "wms_srs"   "EPSG:4326"
>    "wms_title"  "whatever"
>    "gml_include_items" "value_0"
>    "gml_value_0_alias" "Value 0"
>    "gml_geometries" "none"
>  END
>  OPACITY 0
>  TILEINDEX "mylayer_index"
>  TILEITEM "LOCATION"
>  TEMPLATE void
>  DUMP true
> END
> 
> In OL, I am using something like:
> 
>            var layer = new OpenLayers.Layer.WMS(
>                'mylayer',
>                'http://my.domain.com/cgi-bin/mywms?',
>                {
>                    format:'image/png',
>                    transparent:true,
>                    isBaseLayer:false,
>                    layers:'mylayer'
>                });
> 
>            control = new OpenLayers.Control.WMSGetFeatureInfo({
>                url:  "http://my.domain.com/cgi-bin/mywms?",
>                layers: [layer],
>                hover: false,
>                infoFormat: 'gml',
>                maxFeatures: 1
>            });
> 
> wms_srs in WEB part is "EPSG:900913 EPSG:4326" so it can serve data in both projections
> 
> The problem is - when I click to get the info I get "Internal server error" and in apache log I get "Segmentation fault" followed by "Premature end of script headers: mywms"
> 
> For test, I reprojected my source rasters to 900913, changed PROJECTION and wms_srs in LAYER to 900913 and then everything works.
> 
> Does anyone know what can be the problem? I am using MapServer 6.0.1 on debian os.
> 
> Thanks for any help
> 
> regards, dejan
> 
> 
> 
> 
> 
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> 
> 
> 

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