[Tilecache] Tilecache not seeding

[Christopher Schmidt]

On Sat, Oct 25, 2008 at 02:21:38PM +0200, Damiano Morosi wrote:
> Hi all,
> 
> this is the first time I use Tilecache. I'm trying to generate tiles for a
> Map (that I can visualize successfully in OpenLayers with Mapserver). The
> .map file is as following:
> 
> ----
> 
> #
> # Start of map file
> #
> #
> NAME NAVSTREETS
> STATUS ON
> SIZE 600 600
> SYMBOLSET "/var/www/maps/symbols.sym"
> EXTENT 12 41 13 42
> 
> SHAPEPATH "/var/www/shapes/"
> IMAGETYPE png
> IMAGECOLOR 150 150 150
> 
> #
> # Start of web interface definition
> #
> WEB
>   #MINSCALE 2000000
>   #MAXSCALE 50000000
>   IMAGEPATH "/tmp/ms_tmp/"
>   IMAGEURL "/ms_tmp/"
>   METADATA
>     "wms_title" "navstreet map"
>     "wms_onlineresource" "http://213.199.15.252/cgi-bin/mapserv?map=ms.map&"
> 
>   END
>   TEMPLATE "test.html"
> END
> 
> # Layers
> 
> LAYER
>   METADATA
>         "queryable" "true"
>         "wms_title" "GreenA"
>   END
> 
>   TEMPLATE "test.html"
> 
>   NAME GreenA
>   TYPE POLYGON
>   STATUS ON
> 
>   DATA LandUseA
>  CLASS
>     NAME "Streets"
>     OUTLINECOLOR 0 255 0
>     COLOR 0 255 0
>   END
> END # layer
> 
> END # MAP
> 
> ----
> 
> The following is my tilecache.cfg file:
> 
> ----
> 
> [cache]
> base = /tmp/tilecache
> type = Disk
> 
> [basic]
> layers = GreenA
> spherical_mercator = no
> data_extent = 12,41,13,42
> extension = png
> url = http://213.199.15.252/cgi-bin/mapserv?map=ms.map
> metatile = no
> bbox = 12,41,13,42
> type = WMS
> 
> ----
> 
> The layer is deriving from a shapefile. Then I try the command:
> 
> python tilecache_seed.py "http://213.199.15.252/cgi-bin/tilecache.cgi?"
> basic 0 5
> 
> and I get the error
> 
> msWMSLoadGetMapParams(): WMS server error. Invalid SRS given : SRS must be
> valid for all requested layers.
> 
> The point is that I don't want to project my map, so as far as I know, I
> haven't to set a projection object in mapfile. Is it mandatory to fullfill
> the tilecache requisites? How can I produce tiles from map that are usable
> by OpenLayers?

You need to set up your mapfile for WMS.

http://mapserver.gis.umn.edu/docs/howto/wms_server
http://mapserver.gis.umn.edu/docs/howto/wms_server/#setup-a-mapfile-for-your-wms

> Thank you all,
> 
> Damiano Morosi

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-- 
Christopher Schmidt
MetaCarta