Simple R example
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Revision as of 17:55, 27 November 2012 by Fabrice.brito (Talk | contribs)
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Simple R example
Processing rational
The process takes one OGC WFS getFeature request passed as reference and use R to generate a plot as shown below:
The OGC WFS server is hosted by IRD, the GetCapabilities URL is here: IRD GetCapabilities
Processing
Resources
The WPS process uses WPS-hadoop in pseudo-cluster mode. It fruits the hadoop streaming approach where the WFS URLs are pipped into a bash script that: - retrieves the WFS response via a curl GET request and stores the output (GML file). - This GML file is passed as argument to the R executable script (provided by IRD). - The output is published on the HDFS storage and returned to the client as an HTTP reference to the result
Interface
The DescribeProcess URL is available here:
GET invocation
The GET invocation URL is:
POST invocation
The POST invocation is provided by:
