R function for converting B/W images of curves into X-Y matrices of points coordinates, using Moore-Neighbor tracing algorithm. In addition, I added a script to import into R images converted to text files using ImageMagick. Check http://www.imageprocessingplace.com/downloads_V3/root_downloads/tutorials/contour_tracing_Abeer_George_Ghuneim/moore.html for some details about Moore Neighbor Tracing Algorithm.