Title
Ordering Metro Lines by Block Crossings
Abstract
A problem that arises in drawings of transportation networks is to minimize the number of crossings between different transportation lines. While this can be done efficiently under specific constraints, not all solutions are visually equivalent. We suggest merging crossings into block crossings, that is, crossings of two neighboring groups of consecutive lines. Unfortunately, minimizing the total number of block crossings is NP-hard even for very simple graphs. We give approximation algorithms for special classes of graphs and an asymptotically worst-case optimal algorithm for block crossings on general graphs.
Year
DOI
Venue
2013
10.1007/978-3-642-40313-2_36
Lecture Notes in Computer Science
DocType
Volume
Issue
Conference
8087
1
ISSN
Citations 
PageRank 
0302-9743
4
0.46
References 
Authors
23
3
Name
Order
Citations
PageRank
Martin Fink1726.55
Sergey Pupyrev214817.77
Alexander Wolff322222.66