Re: [sprotty-dev] Sprotty for Mining and Analysis Workflow Visualization

[Jan Köhnlein <jan.koehnlein@xxxxxxxxxx>]

Hi Patrick,

the multicore example uses the deprecated Xtext in the web integration and a rather old version of sprotty.
You may be better of with a Language Server Protocol based approach as described here: 
  https://medium.com/@jan.koehnlein/domain-specific-languages-in-theia-8838aee1279

We have also moved Sprotty to Eclipse. A first release will come in March. A lot of APIs have changed and a lot of new features have been added. The master branch of the example above is uptodate, but the intermediary steps aren't.

Hope that helps
Jan

--
Dr. Jan Köhnlein
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> On 19. Feb 2019, at 14:13, Patrick Neubauer <patrick.neubauer@xxxxxxxxxx> wrote:
> 
> Dear Sprotty developers,
> 
> We are members of the CROSSMINER EU project, which involves mining of open-source software from various providers, and developed Crossflow, i.e. a language to specify mining and analysis workflows [1]. 
> 
> As part of our web application, we would like to graphically visualise the workflow execution during runtime and found Sprotty to be a fitting candidate. 
> 
> As a result, we generated an Xtext-based language of Crossflow, i.e. our workflow language, replaced the exemplary “multicore” language with it, and drafted the diagram generator accordingly. 
> 
> Although we were able to produce a graph with nodes as well as compute its layout [2], we were unable to successfully visualise the result in the browser [3].
> 
> The experiment is available on Github [4] and is fairly easy to reproduce. 
> 
> Can you provide any hint on what may go wrong?
> 
> Cheers, Patrick
> 
> [1] Crossflow metamodel: https://github.com/crossminer/scava/blob/crossflow/crossflow/org.eclipse.scava.crossflow.language/model/crossflow.pdf 
> Exemplary Crossflow workflow graph: https://github.com/patrickneubauer/sprotty-experiment/raw/master/img/img5.png 
> 
> [2] Console output: https://github.com/patrickneubauer/sprotty-experiment/raw/master/img/img3.png 
> 
> [3] Browser output: https://github.com/patrickneubauer/sprotty-experiment/raw/master/img/img2.png 
> 
> [4] Experimental repo: https://github.com/patrickneubauer/sprotty-experiment 
> 
> 
> --
> Patrick Neubauer
> Research Associate
> Department of Computer Science
> University of York, United Kingdom
> https://www-users.york.ac.uk/~pn642/
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