Fig. 4From: Assessing graph-based read mappers against a baseline approach highlights strengths and weaknesses of current methodsIllustration of the two-step approach to mapping reads to a graph-based reference genome. Top: Reads (red) are first roughly mapped to the graph-based reference genome (nodes represented in blue; edges represented as black arrows). Middle: a path is predicted through the graph depending on where most of the reads map, (parts of the graph no longer included in transparent color). Bottom: in the second step, reads are mapped to the linear path using a linear read mapperBack to article page