Lecture Notes in Computer Science Volume 2025, 2001, pp 121-171

Orthogonal Graph Drawing

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There are various criteria to judge the qualityof a drawing of a graph. From a human point of view, one of the most important issues is the readabilityo f a drawing: ideally, it should be easy to understand the structure of a graph with just a few glances, and the chance of confusion over connections between different vertices should be small. From an algorithmic point of view, it is necessary to capture this qualityb ymea ns of an objective function. Various objective functions have been studied, with a great deal of effort put into their optimization bym eans of combinatorial algorithms.