[mapserver-users] [EXTERNAL] Any thoughts on combining 3 regional maps into one?

[Smith, Michael ERDC-RDE-CRREL-NH]

Steve,

You can also do some kind of preprocessing. Generate your mapfile from a
script. The Scribe syntax may be quite useful for you
(http://www.mapgears.com/en/blog/archive/2013-03-12-scribe  and
https://github.com/solutionsmapgears/Scribe). Then just run the scribe
python script and you can regenerate your mapfiles from the multiple ones
and use things like variables.

Mike

-- 
Michael Smith

US Army Corps
Remote Sensing GIS/Center



On 10/2/13 11:52 AM, "Stephen Woodbridge" <woodbri at swoodbridge.com> wrote:

>Hi all,
>
>I have 3 regional mapfiles for US, Canada and Mexico and I want to
>create a single North America map. Since the data comes from separate
>vendors and they refresh on different cycles, I'm trying to figure out
>the best way to structure this in a mapfile. I also need to maintain
>each region as a separate mapfile. (I'm ignoring issues like data
>alignment over borders.)
>
>The reginal mapfile data is structure like:
>
>.../us/data/<shapefiles>
>.../us/us.map
>.../mx/data/<shapefiles>
>.../mx/mx.map
>.../ca/data/<shapefiles>
>.../ca/ca.map
>
>The shapepath for each mapfile is set to the local data directory. What
>I would like to avoid is having to change all the paths in the mapfiles
>to accomodate a change like:
>
>.../na/us/data/
>.../na/mx/data/
>.../na/ca/data/
>.../na/na.map
>
>It would be cool if I can change the shapepath in the middle of the
>mapfile so layers beyond the change would use the new shapepath, but I
>suspect that will not work.
>
>So it looks like my options are:
>
>1. rewrite all the mapfile data pathes as I combine them into one new
>mapfile and maintain two copies, regional and na versions.
>
>2. maybe create a new mapfile that loads each of the regions as a WMS
>client and overlays the adjacent regions. This will get served via
>mapcache so that might add some options for tile assembly.
>
>3. other ideas????
>
>Thanks,
>   -Steve
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