Jay,
On Oct 31, 2008, at 12:24 PM, Jay Douillard wrote:
Hey Dane,
Thanks! I'm using the BC Albers projection, which makes BC look
more normal than the Mercator, which makes the top of BC look HUGE!
Ya, I agree - mercator is terrible for BC and Alaska. I've done a lot
of watershed mapping of those areas (the units of which look a lot
like your educational regions), and Albers IS excellent.
I've recently tweaked the BC albers projection to slant for the North
Pacific region, which is fun. A sample image is here:
http://mapnik-utils.googlecode.com/svn/trunk/tutorials/unique_values/map/unique_values.png
Ironically, I used a python script to build those styles for that
example and have yet to fix up the labeling priority, so it suffers in
the same way as the current OGCServer patch (ie a few labels are
underneath shapes).
Yes I am using the 129 patch ( http://trac.mapnik.org/attachment/ticket/129/wms_theofilu.diff
)
Okay, welcome to the testing group!
#!/usr/bin/env python
from mapnik.ogcserver.WMS import BaseWMSFactory
from mapnik import *
mapfile = 'map.xml'
class WMSFactory(BaseWMSFactory):
def __init__(self):
BaseWMSFactory.__init__(self)
self.loadXML('/home/sysadmin/map/map.xml')
self.finalize()
Which I cribbed from your example
http://mapnik-utils.googlecode.com/svn/trunk/tutorials/wms/
(Which just changed I noticed, the xml loading has moved to a new
file...)
Geez you are sharp :)
I tried your suggestion of putting the styles into difference
instances, and that seems to cause problems. I can still load the
"edi" shape layer but if I add in the second label layer (in my
OpenLayers WMS request) it causes a error and I get image tiles with
the error message written on them!
Okay, what is that error? If it seems useful at all to debugging the
patch, please post the details to the ticket: http://trac.mapnik.org/ticket/129
Once again this same XML works from the CLI.
Right, makes sense. The patch need improvement... maybe you're the man?
Thanks for looking into this Dane!
Jay
No problem. Looking into it is the easy part :)
The OGCServer code is, honestly, not the easiest to make sense of due
in part to its attempt to meet the OGC spec.
And I have not had time or a paid-work need for OGC WMS recently.
So Jay, do you need to set up a truly public-facing OGC-spec WMS server?
Or do you just need to dynamically serve map tiles to your OpenLayers
app without worrying about GetCapibilities and OGC compliance?
Dane
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