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  • Implement Greedy Switch Heuristic for Crossing Minimization
    The order of nodes in a layer determines the number of crossings and is computed during the crossing minimization step. The results can usually be further improved by switching the order of nodes around, which we currently lack proper algorithms for. 
    Jira
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    serverId2851bd34-0bf1-3f02-ab12-7d77ccab0fae
    keyKIPRA-891
  • Layering Algorithms
    Implement an alternative algorithm for the layer assignment problem used in the layer-based approach to graph layout.
  • Integrate KIML with JGraph
    Provide automatic layout through KIML for the JGraph diagram library and develop a simple JGraph-based graph editor to test the integration with.
    Jira
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    serverKIELER JIRA
    columnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
    serverId2851bd34-0bf1-3f02-ab12-7d77ccab0fae
    keyKIPRA-1214
  • Improved Edge Label Placement
    Our layout algorithm already supports the placement of edge labels. However, there's still room for improvement...
  • Implement a KlayJS adapter for D3.js
    The D3.js library is a well-known and widely-used Javascript library for SVG-based visualizations and already comes with force-based graph layout algorithms. Implement an adapter that allows to use D3 with KlayJS.

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  • Layering Algorithms
    Develop an alternative algorithm for the layer assignment problem used in the layer-based approach to graph layout. The algorithm shall be extended to consider the number of edge crossings and an optimal aspect ratio.
  • Compound Graph Layout
    Design and implement new concepts for computing layer-based layouts of compound graphs. The main focus shall be on maintainability: ensuring that the implementation can be kept working over the years.
  • Force Based Drawing with Port Constraints
    Develop methods for integrating port constraints in force-based drawing approaches. The resulting node placement shall be evaluated using an edge router such as libavoid on the model library of Ptolemy.
  • Combining Forces and Layers
    Design and implement a layout algorithm that combines the force-based and the layer-based approaches. The first three phases of the layer-based approach shall be replaced by a node distribution computed with a force-based approach.

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