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A Fast and Simple Heuristic for Metro Map Path Simplification

Published: 01 December 2008 Publication History

Abstract

We give a heuristic for simplifying a path defined by a given sequence of points. The heuristic seeks to fit the points with a set of line segments aligned with a limited set of possible directions. Such "schematic path simplification" has application in automatically drawing simplified metro maps from geographic data. We show that a simple version of our algorithm produces reasonable results against real-world data and runs in linear time with respect to the number of points (assuming a small fixed number of possible directions). We then give some refinements to the algorithm which may improve the quality of the results but which significantly increase the worst-case time complexity.

References

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Hong, S.H.,Merrick, D., do Nascimento, H.A.D.: The metro map layout problem. In: Liotta, G. (ed.) GD 2003. LNCS, vol. 2912, pp. 482-491. Springer, Heidelberg (2004).
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Nöllenburg, M., Wolff, A.: A mixed-integer program for drawing high-quality metro maps. In: Healy, P., Nikolov, N.S. (eds.) GD 2005. LNCS, vol. 3843, pp. 321-333. Springer, Heidelberg (2006).
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Stott, J., Rodgers, P.: Metro map layout using multicriteria optimization. In: Proceedings of the 8th International Conference on Information Visualisation (IV 2004), pp. 355-362. IEEE Computer Society, Los Alamitos (2004).
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Burkhard, R., Meier, M., Rodgers, P., Smis, M., Stott, J.: Knowledge visualization: a comparative study between project tube maps and gantt charts. In: Tochtermann, K., Maurer, H. (eds.) Proceedings of the 5th International Conference on Knowledge Management, pp. 388-395. Know-Center, Austria (2005).
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Nesbitt, K.V.: Getting to more abstract places using the metro map metaphor. In: Proceedings of the 8th International Conference on Information Visualisation, pp. 488-493 (2004).
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Merrick, D., Gudmunsson, J.: Path simplification for metro map layout. In: Kaufmann, M., Wagner, D. (eds.) GD 2006. LNCS, vol. 4372, pp. 258-269. Springer, Heidelberg (2007).
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Dwyer, T., Koren, Y., Marriott, K.: Stress majorization with orthogonal ordering constraints. In: Healy, P., Nikolov, N.S. (eds.) GD 2005. LNCS, vol. 3843, pp. 141-152. Springer, Heidelberg (2006).
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Neyer, G.: Line simplification with restricted orientations. In: Proceedings of the 6th International Workshop on Algorithms and Data Structures, pp. 13-24 (1999).
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Cited By

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  • (2022)StrokeStyles: Stroke-based Segmentation and Stylization of FontsACM Transactions on Graphics10.1145/350524641:3(1-21)Online publication date: 28-Apr-2022
  • (2016)Focus+context metro map layout and annotationProceedings of the 32nd Spring Conference on Computer Graphics10.1145/2948628.2948642(41-47)Online publication date: 27-Apr-2016
  1. A Fast and Simple Heuristic for Metro Map Path Simplification

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    Published In

    cover image Guide Proceedings
    ISVC '08: Proceedings of the 4th International Symposium on Advances in Visual Computing, Part II
    December 2008
    1195 pages
    ISBN:9783540896456
    • Editors:
    • George Bebis,
    • Richard Boyle,
    • Bahram Parvin,
    • Darko Koracin,
    • Paolo Remagnino,
    • Fatih Porikli,
    • Jörg Peters,
    • James Klosowski,
    • Laura Arns,
    • Yu Ka Chun,
    • Theresa-Marie Rhyne,
    • Laura Monroe

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    Springer-Verlag

    Berlin, Heidelberg

    Publication History

    Published: 01 December 2008

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    View all
    • (2022)StrokeStyles: Stroke-based Segmentation and Stylization of FontsACM Transactions on Graphics10.1145/350524641:3(1-21)Online publication date: 28-Apr-2022
    • (2016)Focus+context metro map layout and annotationProceedings of the 32nd Spring Conference on Computer Graphics10.1145/2948628.2948642(41-47)Online publication date: 27-Apr-2016

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