Hi, It would be easier to play with PROCESSING attributes if they could be changed with runtime substitution. Thomas Bonfort has written that any favorite MapServer provider can do the addition.
http://lists.osgeo.org/pipermail/mapserver-users/2013-September/075342.html -Jukka Rahkonen- Jorrit Goddijn wrote: > Hi Dan, > > Yes I only just saw that you can load layer definitions from strings. This > would be > indeed much less cumbersome than using mapscript. We'll have a look at this > for our next project/. > > Thanks for your input! > Jorrit > > -----Original Message----- > From: Dan Little [mailto:[email protected]] > Sent: dinsdag 27 mei 2014 16:10 > To: Michael Schulz > Cc: Jorrit Goddijn; [email protected] > Subject: Re: [mapserver-users] Can the PROCESSING layer attribute be set > dynamically through (PHP) MapScript? > > You might want to reconsider how your script is built. Instead of loading up > the > Mapfile and tweaking small parameters with MapScript, consider converting > your mapfile to a template language. This way you can forumulate the mapfile, > load it as a string, do the appropriate substitutions, then use PHP to serve > it as > WxS. > > This usually ends up being faster, easier to maintain, and more flexible over > the > long term. > > On Tue, May 27, 2014 at 6:33 AM, Michael Schulz > <[email protected]> wrote: > > Hi Jorrit, > > > > maybe it's just a type in the second setprocessing line of your example: > > > > $current_layer->setprocessing('BANDS=1,2'); #removed second bracket > > > > Cheers, Michael > > > > > > 2014-05-27 11:50 GMT+02:00 Jorrit Goddijn > <[email protected]>: > >> > >> Hi all, > >> > >> > >> > >> I’m drawing layers based on GRIB data files. Each file contains > >> several bands (datasets). I can access these datasets by setting the > >> PROCESSING attribute on the LAYER object. As in this example: > >> > >> > >> > >> ######################### > >> > >> LAYER > >> > >> NAME "current_grid" > >> > >> TYPE POINT > >> > >> CONNECTIONTYPE uvraster > >> > >> DATA > >> "/var/www/mapserver/data/grib/routeguard/4nwwin99_2013110412.grb2" > #v and > >> u-component of current > >> > >> PROCESSING "BANDS=1,2" > >> > >> PROCESSING "UV_SPACING=20" > >> > >> CLASS > >> > >> STYLE > >> > >> SYMBOL "arrow" > >> > >> ANGLE [uv_angle] > >> > >> SIZE [uv_length] > >> > >> COLOR 255 0 0 > >> > >> END # style > >> > >> END # class > >> > >> > >> > >> PROJECTION > >> > >> #"init=epsg:4326" > >> > >> "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs +pm=-360" > >> > >> END > >> > >> END # layer > >> > >> #################### > >> > >> > >> > >> This works fine. But I need to set the PROCESSING values dynamically > >> through mapscript. If I add this code to my script (which works fine > >> without these lines): > >> > >> > >> > >> #################### > >> > >> $map = ms_newMapObj($_GET['MAP']); > >> > >> $current_layer = $map->getlayerbyname('current_grid'); > >> > >> // both of these do not work > >> > >> //$current_layer->set('processing', 'BANDS=1,2')); > >> > >> //$current_layer->setprocessing('BANDS=1,2')); > >> > >> $request = createRequest(""); > >> > >> $result = $map->owsdispatch($request); > >> > >> #################### > >> > >> > >> > >> I get an internal server error (500). It seems that setting any > >> attribute via the layer->set() method causes this behavior. I’m > >> migrating from MS 5.4, does the set method still work as expected? > >> > >> > >> > >> Thank you > >> > >> > >> > >> Jorrit Goddijn > >> > >> [email protected] > >> > >> MeteoGroup > >> > >> > >> > >> > >> _______________________________________________ > >> mapserver-users mailing list > >> [email protected] > >> http://lists.osgeo.org/mailman/listinfo/mapserver-users > > > > > > > > > > -- > > ----------------------------------------------------------- > > Michael Schulz > > > > Bahnhofstr. 62 > > D-63477 Maintal > > > > > > _______________________________________________ > > mapserver-users mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/mapserver-users > _______________________________________________ > mapserver-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapserver-users _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
