[mapserver-users] LAYER with CONNECTIONTYPE UNION fails catastrophically when asked to reproject

[Seth G]

Possibly unrelated, but would having a GROUP Name and LAYER Name set to
the same value (dtk_skaermkort) cause an issue?Maybe try setting all the STATUS settings to OFF also.
Regards,

Seth

--
web:http://geographika.co.uk
twitter: @geographika


On Wed, Sep 12, 2018, at 4:43 PM, Julian Hollingbery wrote:
> Hi list,


>  


>  


> I have run into something which puzzles me. I have configured a WMS
> using a MAP file with three layers: dtk_skaermkort,
> dtk_skaermkort_3096 and dtk_skaermkort_1548. The two latter expose
> TIFFs via a tile index in a shape file. Data is in EPSG:25832. The
> first layer uses CONNECTIONTYPE UNION to show the aggregate of the
> other two layers. This works **as long as I stay in the native
> projection**. However, this fails:> http://172.30.229.42/fcgi-bin/mapserv.fcgi?map=/mapserver/config/mapfiler/WMS/topo_skaermkort/topo_skaermkort_mailinglist.map&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-280235,5874930,649671,6549730&CRS=EPSG:25833&WIDTH=867&HEIGHT=629&LAYERS=dtk_skaermkort&STYLES=&FORMAT=image/png> With a horrible Apache HTTP 500 (which I can find no trace of in
> /var/log/apache2/error.log…)>  


> even though these succeed:


>  


> http://172.30.229.42/fcgi-bin/mapserv.fcgi?map=/mapserver/config/mapfiler/WMS/topo_skaermkort/topo_skaermkort_mailinglist.map&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-280235,5874930,649671,6549730&CRS=EPSG:25833&WIDTH=867&HEIGHT=629&LAYERS=dtk_skaermkort_3096&STYLES=&FORMAT=image/png> and


> http://172.30.229.42/fcgi-bin/mapserv.fcgi?map=/mapserver/config/mapfiler/WMS/topo_skaermkort/topo_skaermkort_mailinglist.map&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-280235,5874930,649671,6549730&CRS=EPSG:25833&WIDTH=867&HEIGHT=629&LAYERS=dtk_skaermkort_1548&STYLES=&FORMAT=image/png>  


> What have I done wrong?


>  


> Sample data: https://www.dropbox.com/s/gw8h8lrwwb0gltz/data.zip?dl=0> Map file:


>  


> MAP


>     NAME "topo_skaermkort"


>     EXTENT 120000 5900000 1000000 6500000


>     MAXSIZE 10000


>     STATUS ON


>     UNITS METERS


>     DEBUG 5


>     SHAPEPATH "/mapserver/data/skaermkort_ok"


>     CONFIG "ON_MISSING_DATA" "LOG"


>     CONFIG "MS_ERRORFILE" "maperror_topo_skaermkort_local.txt"


>     PROJECTION


>         "init=epsg:25832"


>     END


>     WEB


>         IMAGEPATH "/mapserver/data/skaermkort_ok/originalt/"


>         METADATA


>             "wms_title" "DTK/Skærmkort"


>             "wms_srs" "EPSG:4326 EPSG:4258 EPSG:25832 EPSG:25833
>             EPSG:32632 EPSG:32633 EPSG:4093 EPSG:4094 EPSG:4095
>             EPSG:4096 EPSG:3395 EPSG:3857">             "wms_bbox_extended" "TRUE"


>             "wms_getmap_formatlist" "image/jpeg,image/png"


>             "ows_enable_request" "* !GetFeatureInfo"


>             "wms_encoding" "utf-8"


>         END


>     END


>     LAYER


>         NAME "dtk_skaermkort"


>         EXTENT 120000 5900000 1000000 6500000


>         STATUS ON


>         TYPE raster


>         PROCESSING "RESAMPLE=BILINEAR"


>         CONNECTIONTYPE UNION


>         CONNECTION
>         "s3096,s1548,s774,s387,s193,s96,s48,s24,s12,s6,s3,s1,s07">         METADATA


>             "wms_title" "dtk_skaermkort"


>             "wms_srs" "epsg:25832"


>             "wms_group_title" "dtk_skaermkort"


>         END


>     END


>     LAYER


>         GROUP "dtk_skaermkort"


>         NAME "s3096"


>         TILEINDEX "originalt/s3096/s3096x.shp"


>         TILEITEM "location"


>         EXTENT 120000 5900000 1000000 6500000


>         MINSCALEDENOM 1201748.867


>         MAXSCALEDENOM 30000000


>         STATUS OFF


>         TYPE raster


>         PROCESSING "RESAMPLE=BILINEAR"


>         METADATA


>             "wms_title" "s3096"


>             "wms_srs" "epsg:25832"


>            "wms_enable_request" "!GetCapabilities"


>         END


>     END


>     LAYER


>         GROUP "dtk_skaermkort"


>         NAME "s1548"


>         TILEINDEX "originalt/s1548/s1548x.shp"


>         TILEITEM "location"


>         EXTENT 120000 5900000 1000000 6500000


>         MINSCALEDENOM 600874.809


>         MAXSCALEDENOM 1201748.866


>         STATUS OFF


>         TYPE raster


>         PROCESSING "RESAMPLE=BILINEAR"


>         METADATA


>             "wms_title" "s1548"


>             "wms_srs" "epsg:25832"


>             "wms_enable_request" "!GetCapabilities"


>         END


>     END


> END


>  


> Kind Regards,


> /julian


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