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My app based on Mapserver contains dynamic layers and using PHPMapscript I modify MAPFILE->LAYER->DATA value based on a parameter that comes via GET. Or I could even use RegEXP in the LAYER->DATA (http://osdir.com/ml/mapserver-users-gis/2012-02/msg00208.html)

I know GeoServer has good REST support and most probably after my analysis this will be one of the reasons why I'm going to change.

Is it possible to define a GeoServer layer dynamically? E.G. I will create datastores for specific topics Layers (shp or raster) are stored following the criteria:

/data/layers/topic1/2013/201305/Layer1.shp, /data/layers/topic1/2013/201305/Layer2.shp, /data/layers/topic2/2013/201305/Layer3.shp

/data/layers/raster/2013/201304/Raster1.{png,geotiff,}, /data/layers/raster/2013/201304/Raster2.{png,geotiff,}

The layers change each month and absolutely I don't want to recreate them via GeoServer admin. Using OpenLayers I can pass a parameter mergeNewParams=YYYYMM and get the specific OWS out of the layer (WMS or WFS), but how?

Something like this when I define the datastore URL http://docs.geoserver.org/latest/en/user/webadmin/data/stores.html#adding-a-store in the connection URL I would like to specify file:/data//YYYY/YYYYMM/YYYYMMDDUTC Is it possible?

Thanks!

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1 Answer 1

Yes and No. :)

It's possible to create a datastore dynamically with REST, but not with parameters (I know of no method to do that). But, you can create a script, that use Geoserver REST interface to achieve the aim.

For REST in Geoserver, look the documentation: http://docs.geoserver.org/stable/en/user/rest/api/datastores.html

I recommend to you the "geoserver-manager" Java library, because it's easy way to achieve this funcionality. If you don't want to use Java, you can use "cURL" and follow this example: http://docs.geoserver.org/2.1.x/en/user/restconfig/rest-config-examples/rest-config-examples-curl.html

You can do a monthly task to publish the new datastore and publish the layer.

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Thanks for replying! Ideally my workflow was to create the layer using GeoServer Admin. Those files (shp and raster) could also be daily following the criteria /data/YYYY/YYYYMM/YYYYMMDD/ doing so I should be able to load WMS <service>*&<layerName>&param=YYYYMMDD. What do you think about the creation of a custom datastore? Is it feasible? –  Daviddd Jun 6 '13 at 9:53
    
I don't know if you can add a "param" in layer (please! Geoserver Gurus rescue us! :P), but you can do a script that create a datastore and then publish a layer using the REST Geoserver API. Looking around the documentation, i have seen this feature for 2.4.x branch... docs.geoserver.org/latest/en/user/services/wms/time.html could help you! –  Taber Jun 6 '13 at 11:23
    
Thanks again! I knew about WMS Time, but my case is a bit different. We will produce different shape files each day and they must be saved on the disk following the above criteria. –  Daviddd Jun 6 '13 at 12:22
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