On Tue, 8 Jan 2008, Peter Hietz wrote: > Hi, > > I am using the EBImage package for image display and analysis and want > to read the cursor (mouse) position on the image. The function > "locator()" would be ideal, but this appears to work only on plots, not > images. > >> a <- Image((0:(w^2))/w^2, c(w,w)) >> if ( interactive() ) display(a) >> locator(n = 10, type = "p") > Error in locator(n = 10, type = "p") : plot.new has not been called yet > > Is there a similar function that works with dispalyed images ?
It works with image(). For Image(), you will need to ask those who know about EBImage, and the best place to start is the Bioconductor list (it is a BioC package). It is not using an R graphics device to display. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ 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.
