Re: [geomesa-users] How to run geomesa process in CQL of GeoServer.

[Simon Zhang <hapopen@xxxxxxxxx>]

Hi Jim,

I got it. Thank you for your reply.

Ming

Jim Hughes <jhughes@xxxxxxxx> 于2020年8月7日周五 下午9:58写道：

Hi Ming,

Good question.  GeoMesa's 'processes' are named so because they are called and executed through the Web Processor Service (WPS).  WPS is an OGC standard and as such is based on XML. 

An example of using that particular process is in the GeoMesa documentation here: https://www.geomesa.org/documentation/stable/user/process.html#point2pointprocess   Note that one would have to install the GeoServer WPS extension and additional GeoMesa process jars. 

CQL is query language which has string and XML representations and is usually used with other OGC standards like WFS and WMS.  CQL is rather limited query/_expression_ language and cannot express as much computation as WPS.

Cheers,

Jim

On 8/7/2020 3:09 AM, Simon Zhang wrote:

Hi all:

How to run geomesa process (such as point2pointprocess) in CQL of GeoServer. Are there any examples.

ming

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