Hi Petros,
Since you are examining WPS, I recommend ZOO-Project
(http://zoo-project.org/), from the MapServer family, which supports
writing services in many languages (C, Python, PHP, JavaScript, ...), as
well as creating GDAL/OGR services, and even outputting dynamic
MapServer WMS services on-the-fly (meaning: it creates a MapServer
mapfile that serves the result through a web map service).
But here is a great working example:
- MapServer is serving the background data (spatialite database) here
through GeoJSON/WMS and the application leverages ZOO-Project to execute
spatial commands (buffer etc). Give it a try at
https://ms4w.dev/zoo-project/demo/
If you check Developer Tools in your browser, you will see at call to
the ZOO loader (https://ms4w.dev/cgi-bin/zoo_loader.cgi) and sending a
request such as https://pastebin.com/nhpyc2jx
And the response from MapServer in GeoJSON: https://pastebin.com/G2VEVYRF
All thanks to the power of ZOO-Project WPS !!!
Hope that opens doors for you.
-jeff
--
Jeff McKenna
MapServer Consulting and Training Services
https://gatewaygeomatics.com/
On 2020-02-26 8:43 a.m., petros.liki...@scb.se wrote:
Hi all,
I have to warn you that I am entirely new to GIS and all the terminology
so my questions might be strange. Nevertheless, my company wish to
expose a service that receives a polygon as input and outputs
statistical data about the area defined by the polygon. For instance, it
could be the number of residents in different age groups, the average
income, the number of companies divided by industry, etc.
The service will aggregated the statistical data on the fly according to
input polygon. Then it will then preform some type of disclosure control
of the aggregated data before it is send back to the caller. I guess
that this service should be exposed as a WPS service or is there any
other type of service that is more appropriate if it should be
consumable from other GIS-applications?
If it should be a WPS will I be able to expose it through MapServer? If
MapServer can do this or am I bound to use a specific programing
language or can MapServer start an arbitrary program that dose the
processing?
Kind regards
Petros
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