[EMAIL PROTECTED] writes: > Full_Name: Stephen Harker > Version: 1.80 > OS: linux (Yellow Dog 3.0 on ppc) > Submission from: (NULL) (130.194.13.101) > > > In creating a postscript file from a set of data in which the points are > plotted > using `points()' and lines drawn using `lines()' I have found since upgrading > from R version 1.4? to 1.8 that the two sets do not coinicide completely. This > is best illustrated by a simple example given below. Here the X11() output > appears correctly. However, the postscript output shows that the lines and > points no > longer coincide on the right hand side, whereas the left hand side is perfect. > Output to other devices such as pdf is perfect. Possibly this reflects a > different scaling being applied when points() or lines() are selected. > > One reason I found this is that I use a number of scripts in R to plot and > multiplot data sets from x-ray and neutron powder diffraction analysis (and > Rietveld fitting of this data in particularl). In these points() is used to > plot the data and lines() to plot the refinement from the analysis. After > upgrading I found these were > misaligned. The example was created to mimic the problem. > > %%% Example follows: > dtwoth <- seq(from=20,to=80,len=1024) > dcount <- rnorm(dtwoth) # > > postscript(file="R-test2.ps",horizontal=FALSE, > pointsize=18, onefile=FALSE, > family="Helvetica", paper="a4") > > plot(dtwoth,dcount, > xlim=c(min(dtwoth),max(dtwoth)),ylim=c(min(dcount),max(dcount)), > yaxt="n",xaxs="i",yaxs="i",xlab="2theta",ylab="counts", > type="n") > > lines(dtwoth,dcount) > points(dtwoth,dcount)
[At the current rate, "1.80" would be about 36 years into the future. Latest version is 1.8.1.] I can't reproduce this with 1.8.0 on RedHat 8.0. Are you sure it isn't your Postscript viewer that is playing tricks on you?? -- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-devel
