[jboss-jira] [JBoss JIRA] (DROOLS-3067) [DMN Designer] Automatic Layout Feature Workbench Integration

[Daniel José dos Santos (Jira)]

    [ https://issues.jboss.org/browse/DROOLS-3067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646595#comment-13646595 ] 

Daniel José dos Santos commented on DROOLS-3067:
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[~jomarko] Thank you! Is not intentional, but the algorithm is not aware of what is most important, so it uses a heuristic to position the nodes inside each layer (level). I think it's possible to improve it further selecting which nodes are more important setting weights for edges. At this point I'm considering all edges with weight 1 (one), but I think we can set a bigger weight for the edges connected to the most important nodes. So the nodes will eventually be at the top.

> [DMN Designer] Automatic Layout Feature Workbench Integration
> -------------------------------------------------------------
>
>                 Key: DROOLS-3067
>                 URL: https://issues.jboss.org/browse/DROOLS-3067
>             Project: Drools
>          Issue Type: Task
>          Components: DMN Editor
>            Reporter: Jozef Marko
>            Assignee: Daniel José dos Santos
>            Priority: Major
>              Labels: drools-tools
>         Attachments: DMCommunity Challenge - March 2017.dmn, Screenshot from 2018-10-10 08-22-25.png, a3.dmn, auto.png, manual.png
>
>
> Integrate the Automatic Layout feature into workbench, so during opening an imported DMN model its nodes are positioned automatically with this feature.
> h2. Acceptance tests
> # -User is prompted if he wants or not to apply autolayout feature- discussed in comments
> # Positioning is automatically stored after model opening (/)
> # Simple graph, no branches, starting node -> node -> ...... node -> ending node (/)
> # Tree, top node in the middle of the screen, some branches to all sides (/)
> # Graph with big crossing of edges, similar to complete graph (/)
> # Large (but sparse) graph, not all nodes visible without scrolling (/)



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