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Posted to dev@lucene.apache.org by "Eric Pugh (JIRA)" <ji...@apache.org> on 2018/12/21 22:02:00 UTC
[jira] [Commented] (SOLR-13088) Add zplot Stream Evaluator to plot
math expressions in Apache Zeppelin
[ https://issues.apache.org/jira/browse/SOLR-13088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16727093#comment-16727093 ]
Eric Pugh commented on SOLR-13088:
----------------------------------
Reading through this, is the idea that I could cut'n'paste a Streaming expression from the Solr Admin panel, paste it into Zeppelin, and get a great visualization? Or do I need to tweak my streaming expression to incorporate the `zplot`? What I want is to take my streaming expression, and get a great visualization in Zeppelin.. Which might mean more logic in the Zeppelin visualization side?
> Add zplot Stream Evaluator to plot math expressions in Apache Zeppelin
> ----------------------------------------------------------------------
>
> Key: SOLR-13088
> URL: https://issues.apache.org/jira/browse/SOLR-13088
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Major
> Attachments: SOLR-13088.patch, Screen Shot 2018-12-21 at 3.01.55 PM.png
>
>
> The Solr Zeppelin interpreter ([https://github.com/lucidworks/zeppelin-solr]) can already execute Streaming Expressions and therefore Math Expressions. The *zplot* function will export the results of Solr Math Expressions in a format the Solr Zeppelin interpreter can work with. This will allow Math Expressions to be plotted by *Apache Zeppelin.*
> Sample syntax:
> {code:java}
> let(a=array(1,2,3),
> b=array(4,5,6),
> zplot(line1=a, line2=b, linec=array(7,8,9))){code}
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