HostGIS+OpenLayers WMS requests to mapserver problems

[Bradley McLain]

Update: Mapserver layer works correctly, albeit with some major alignment
issues lol.

On 14/12/2007, Bradley McLain <bradley_mclain at debortoliwines.com> wrote:
>
> So I have been using a lax enforcement of WMS for a while then lol.
>
> So if I have understood correctly then if I correctly specify these
> details in the mapfile itself then if a parameter is blank it should default
> to that? Thereby avoiding any errors?
>
> I am hoping that that will fix the problem since I don't have many of
> these things specified as I was using only the bare essentials before.
>
> I will try this and also try a mapserver layer too, to do some tests and
> get back to you.
>
> Where can I access the webserver's access_log?
>
> Cheers
>
> Brad
>
> PS: Question was posted to OpenLayers lists as well
>
> On 14/12/2007, Gregor Mosheh <gregor at hostgis.com> wrote:
> >
> > Bradley McLain wrote:
> > > I got it to
> > > finally display again using the request shown below:
> >
> > http://192.168.1.130/cgi-bin/mapserv?map=/var/www/mapfiles/mswmsrq.map&service=wms&version=1.1.1&request=getmap&SRS=EPSG:4326&layers=grap,grcad,cadbd,propbd,fmbl,varbl&BBOX=144.841,-34.5838,146.344,-34.0477&format=image/png&width=800&height=600&styles=
> >
> >
> >
> > Seems pretty normal to me. A styles param is optional, and it's normal
> > for a WMS client to include a blank styles param. Don't worry about
> > that.
> >
> > It's also very normal to require the width, height, bbox, and SRS, and
> > format. If it was working before without them, defaulting to whatever
> > was in the mapfile, then that was a lax enforcement of WMS standard and
> > you should be glad it's been fixed. ;)
> >
> >
> > > Despite this I cannot get WMS requests out of OpenLayers to work at
> > all,
> > > even adding all of the extra parameters it is asking for.
> >
> > Since WMS seems to be working, this must be an OpenLayers issue.
> > Fortunately, I use OpenLayers and Mapserver-WMS all the time; MapServer
> > is my favorite WMS server. :)
> >
> > So, you should probably take this up on the OpenLayers list (of which
> > several of us are also members) as being OL failing to load an
> > otherwise-functioning WMS layer.
> >
> > The first things I would ask from a OL perspective:
> > * Have you tried OpenLayers.Layer.MapServer and gotten the same results?
> > * Have you watched the webserver's access_log and then tried pasting
> > those URLs into your browser? That's my #1 debugging method.
> >
> > And if you can make the server and the map accessible, that would go a
> > long way towards us being able to guess what's going on.
> >
> > --
> > Gregor Mosheh / Greg Allensworth
> > System Administrator, HostGIS cartographic development & hosting
> > services
> > http://www.HostGIS.com/
> >
> > "Remember that no one cares if you can back up,
> >   only if you can restore." - AMANDA
> >
>
>
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