[mapserver-users] problem serving postgis raster as WMS
Stephen Woodbridge
woodbri at swoodbridge.com
Sat Jun 3 18:25:37 PDT 2017
Brent,
Does this help:
https://postgis.net/docs/RT_FAQ.html#idm27746
What version of gdal do you have installed. You might need the mode=2
argument on the DATA statement.
-Steve W
On 6/3/2017 5:40 PM, Brent Wood wrote:
>
> Hi,
>
> I'm looking to (eventually) manage several hundred raster layers in Postgis.
>
> I have prototyped a single layer using a worldclim file, and can open
> the Postgis raster table in QGIS (using db manager) and display it as
> expected with pseudocolour. It is a single band layer, with pixel values
> in the -36 to 30 range (avg temperatures).
>
> I have set up a mapfile to serve this as a WMS. I can connect to the
> service with QGIS, see the layer listed and add it to the canvas. The
> legend shows the three colours I have set as classes for the layer, but
> the layer does not appear on the canvas (or if it does it is invisible).
>
> The mapserver log suggests (to me anyway) that it is working OK.
>
> I have added a global land shapefile, also served as WMS to the same
> mapfile to give some context, which opens and displays OK as a WMS layer
> in QGIS.
>
> The mapfile, along with the mapserver log entry, are at
> https://pastebin.com/2jjGFYaW
>
> If anyone can help me sort out why I'm not seeing any data in QGIS from
> the Postgis raster WMS layer, I'd appreciate it!
>
>
> Thanks
>
> Brent Wood
>
> Programme leader: Environmental Information Delivery
> NIWA
> DDI: +64 (4) 3860529
>
>
> Brent Wood
> Principal Technician - GIS and Spatial Data Management
> Programme Leader - Environmental Information Delivery
>
> +64-4-386-0529| 301 Evans Bay Parade, Greta Point, Wellington|
> www.niwa.co.nz <http://www.niwa.co.nz>
>
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