R function to extract graph co-ordinates from PostScript file,
along with some worked, and partially worked, examples.

Recovering the raw data behind a non-parametric survival curve
Article by Liu, Rich, and Hanley in Systematic Reviews, 2015.

R Code: 2016   ExtractCurvesFromLargeFileFunction.R.txt

(For Postscript files where mo (move pen to) and li (line to) commands that render lines are abbreviated to m and l.

R Code: 2011   ExtractLinesFromLargeFileFunction.R.txt

Worked Examples

Updated: April 16, 2022