Hi,<div><br></div><div>The union layer approach is working only for the vector based layers at the moment.</div><div><br></div><div>Best regards,</div><div><br></div><div>Tamas</div><div><br></div><div><br><br><div class="gmail_quote">
2011/10/3 Travis Kirstine <span dir="ltr"><<a href="mailto:traviskirstine@gmail.com">traviskirstine@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi All,<br>
<br>
I have been having some issues using the UNION option in the mapfile.<br>
I'm trying to set up a WMS server with several "source" raster layers<br>
and provide them all as a single union layer to the client. I don't<br>
want the source layers visible in the GetCapabilities, only the union<br>
layer so I have been using a combination of the own_enable_request and<br>
CONNECTIONTYPE UNION. It seems to work in the GetCapabilites, only<br>
the union layer appears however only blank images are returned from<br>
the GetMap requests. The layers portion of my mapfile is below, I<br>
have set the "ows_enable_request" "*" in the WEB METADATA. Any help<br>
would be much appreciated<br>
<br>
<br>
# York Region 2009 - Union<br>
LAYER<br>
NAME "0937york_union"<br>
TYPE RASTER<br>
CONNECTIONTYPE UNION<br>
CONNECTION<br>
"0937york_1km_mstif,0937york_5km_mstif,0937york_10km_mstif,0937york_overall_mstif"<br>
METADATA<br>
"wms_title" "York Region UNION"<br>
"wms_extent" "594999 4842001 649999 4918001"<br>
END<br>
CLASS<br>
END<br>
PROJECTION<br>
"init=epsg:26917"<br>
END<br>
END<br>
# York Region 2009 - 15cm<br>
LAYER<br>
NAME "0937york_1km_mstif"<br>
TYPE RASTER<br>
TILEINDEX /var/local/data/0937YORK_1km_mstif/york_1km_mstindex<br>
TILEITEM location<br>
MAXSCALEDENOM 7500<br>
OFFSITE 0 0 0<br>
METADATA<br>
"ows_enable_request" "* !GetCapabilities"<br>
END<br>
PROJECTION<br>
"init=epsg:26917"<br>
END<br>
END<br>
LAYER<br>
NAME "0937york_5km_mstif"<br>
TYPE RASTER<br>
TILEINDEX /var/local/data/0937YORK_5km_mstif/york_5km_mstindex<br>
TILEITEM location<br>
MINSCALEDENOM 7500<br>
MAXSCALEDENOM 40000<br>
OFFSITE 0 0 0<br>
METADATA<br>
"ows_enable_request" "* !GetCapabilities"<br>
END<br>
PROJECTION<br>
"init=epsg:26917"<br>
END<br>
END<br>
LAYER<br>
NAME "0937york_10km_mstif"<br>
TYPE RASTER<br>
TILEINDEX /var/local/data/0937YORK_10km_mstif/york_10km_mstindex<br>
TILEITEM location<br>
MINSCALEDENOM 40000<br>
MAXSCALEDENOM 400000<br>
OFFSITE 0 0 0<br>
METADATA<br>
"ows_enable_request" "* !GetCapabilities"<br>
END<br>
PROJECTION<br>
"init=epsg:26917"<br>
END<br>
END<br>
LAYER<br>
NAME "0937york_overall_mstif"<br>
TYPE RASTER<br>
DATA /var/local/data/0937YORK_overall_mstif/0937YORK_100m_overall.tif<br>
MINSCALEDENOM 400000<br>
OFFSITE 0 0 0<br>
METADATA<br>
"ows_enable_request" "* !GetCapabilities"<br>
END<br>
PROJECTION<br>
"init=epsg:26917"<br>
END<br>
END<br>
<br>
<br>
Regards<br>
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</blockquote></div><br></div>