[Rd] R postscript generation error (lines versus points) (PR#5285)
p.dalgaard at biostat.ku.dk
Mon Nov 24 10:21:25 MET 2003
Stephen.Harker at spme.monash.edu.au writes:
> Full_Name: Stephen Harker
> Version: 1.80
> OS: linux (Yellow Dog 3.0 on ppc)
> Submission from: (NULL) (188.8.131.52)
> In creating a postscript file from a set of data in which the points are
> 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) #
> pointsize=18, onefile=FALSE,
> family="Helvetica", paper="a4")
[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
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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