To extend on Walmes "locator", there is a great article (by Timothée) on how to extract data points from an image using R:
http://www.r-bloggers.com/getting-data-from-an-image-introductory-post/ ----------------Contact Details:------------------------------------------------------- Contact me: tal.gal...@gmail.com | 972-52-7275845 Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) | www.r-statistics.com (English) ---------------------------------------------------------------------------------------------- On Fri, Apr 2, 2010 at 11:24 PM, Walmes Zeviani <walmeszevi...@hotmail.com>wrote: > > You can use identify() to obtain coordinates from plotted points but if you > want any coordinates you could use locator(): > > > plot(1:10) > > loc <- locator(n=3) > > str(loc) > List of 2 > $ x: num [1:3] 2.3 5.4 8.29 > $ y: num [1:3] 6.15 8.33 2.6 > > points(loc$x, loc$y, col=2) > > > > Walmes. > > ----- > ..ooo0 > > ................................................................................................... > ..(....)... 0ooo... Walmes Zeviani > ...\..(.....(.....)... Master in Statistics and Agricultural > Experimentation > ....\_)..... )../.... walmeszevi...@hotmail.com, Lavras - MG, Brasil > ............ > > (_/............................................................................................ > -- > View this message in context: > http://n4.nabble.com/mouse-clicking-on-xy-plot-tp1749562p1749586.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
