Shortest Path to a Segment and Quickest Visibility Queries

Esther M. Arkin; Alon Efrat; Christian Knauer; Joseph S B Mitchell; Valentin Polishchuk; Günter Rote; Lena Schlipf; Topi Talvitie

doi:10.4230/LIPIcs.SOCG.2015.658

Shortest Path to a Segment and Quickest Visibility Queries

Esther M. Arkin, Alon Efrat, Christian Knauer, Joseph S B Mitchell, Valentin Polishchuk, Günter Rote, Lena Schlipf, Topi Talvitie

Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

We show how to preprocess a polygonal domain with a fixed starting point s in order to answer efficiently the following queries: Given a point q, how should one move from s in order to see q as soon as possible? This query resembles the well-known shortest-path-to-a-point query, except that the latter asks for the fastest way to reach q, instead of seeing it. Our solution methods include a data structure for a different generalization of shortest-path-to-a-point queries, which may be of independent interest: to report efficiently a shortest path from s to a query segment in the domain.

Original language	English (US)
Title of host publication	Leibniz International Proceedings in Informatics, LIPIcs
Publisher	Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing
Pages	658-673
Number of pages	16
Volume	34
ISBN (Print)	9783939897835
DOIs	https://doi.org/10.4230/LIPIcs.SOCG.2015.658
State	Published - Jun 1 2015
Event	31st International Symposium on Computational Geometry, SoCG 2015 - Eindhoven, Netherlands Duration: Jun 22 2015 → Jun 25 2015

Other

Other	31st International Symposium on Computational Geometry, SoCG 2015
Country/Territory	Netherlands
City	Eindhoven
Period	6/22/15 → 6/25/15

Keywords

Continuous Dijkstra
Path planning
Persistent data structures
Query structures and complexity
Visibility

ASJC Scopus subject areas

Software

Access to Document

10.4230/LIPIcs.SOCG.2015.658

Cite this

Arkin, E. M., Efrat, A., Knauer, C., Mitchell, J. S. B., Polishchuk, V., Rote, G., Schlipf, L., & Talvitie, T. (2015). Shortest Path to a Segment and Quickest Visibility Queries. In Leibniz International Proceedings in Informatics, LIPIcs (Vol. 34, pp. 658-673). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing. https://doi.org/10.4230/LIPIcs.SOCG.2015.658

Shortest Path to a Segment and Quickest Visibility Queries. / Arkin, Esther M.; Efrat, Alon; Knauer, Christian; Mitchell, Joseph S B; Polishchuk, Valentin; Rote, Günter; Schlipf, Lena; Talvitie, Topi.

Leibniz International Proceedings in Informatics, LIPIcs. Vol. 34 Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 2015. p. 658-673.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Arkin, EM, Efrat, A, Knauer, C, Mitchell, JSB, Polishchuk, V, Rote, G, Schlipf, L & Talvitie, T 2015, Shortest Path to a Segment and Quickest Visibility Queries. in Leibniz International Proceedings in Informatics, LIPIcs. vol. 34, Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, pp. 658-673, 31st International Symposium on Computational Geometry, SoCG 2015, Eindhoven, Netherlands, 6/22/15. https://doi.org/10.4230/LIPIcs.SOCG.2015.658

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AU - Rote, Günter

AU - Schlipf, Lena

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Shortest Path to a Segment and Quickest Visibility Queries

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Keywords

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