Thanks for tracking this down. Andrew
On Mon, Jun 16, 2008 at 4:49 PM, Peter Dalgaard <[EMAIL PROTECTED]> wrote: > Andrew Yee wrote: > >> I've been trying to figure out a parameter that will let you separately >> adjust the parameters for the axis line from the tick mark. >> >> In the following example, I would like to suppress the axis line, but keep >> the tick marks. >> >> > The source code is the ultimate reference. We have in do_axis in > src/main/plot.c: > > if (doticks) { > gpptr(dd)->col = col;/*was fg */ > GLine(axis_low, axis_base, axis_high, axis_base, NFC, dd); > for (i = 0; i < n; i++) { > x = REAL(at)[i]; > if (low <= x && x <= high) { > x = GConvertX(x, USER, NFC, dd); > GLine(x, axis_base, x, axis_tick, NFC, dd); > } > } > } > > and, as you see, there is no way the line parameters can change between the > GLine calls, no hope of finding a magical par() setting. So I'm afraid you > have to bite the bullet, do the relevant coordinate calculations, and use > segments() do draw the ticks. (Or try convincing Paul Murrell to change the > design, but that takes longer...). > > -- > O__ ---- Peter Dalgaard Ă˜ster Farimagsgade 5, Entr.B > c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K > (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 > ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 > > [[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.