Graph Layout Adjustment Strategies
Storey, Margaret-Anne D. and Müller, Hausi A. (1996) Graph Layout Adjustment Strategies. In: Symposium on Graph Drawing, GD 1995, September 20-22, 1995, Passau, Germany , pp. 487-499 (Official URL: http://dx.doi.org/10.1007/BFb0021833).
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When adjusting a graph layout, it is often desirable to preserve various properties of the original graph in the adjusted view. Pertinent properties may include straightness of lines, graph topology, orthogonalities and proximities. A layout adjustment algorithm which can be used to create fisheye views of nested graphs is introduced. The SHriMP (Simple Hierarchical Multi-Perspective) visualization technique uses this algorithm to create fisheye views of nested graphs. This algorithm preserves straightness of lines and uniformly resizes nodes when requests for more screen space are made. In contrast to other layout adjustment algorithms, this algorithm has several variants to preserve additional selected properties of the original graph. These variants use different layout strategies to reposition nodes when the graph is distorted. The SHriMP visualization technique is demonstrated through its application to visualizing structures in large software systems.
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