Re: [R] TeachingDemos question: my.symbols() alignment problems in complicated layout

2008-07-21 Thread maria
Hi Hadley and Paul, thank you a lot for the suggestions... However, i had also emailed Greg Snow (author of my.symbols() function) personally... and Greg has emailed me back with a fixed version of the my.symbols() function -- to be included in the next release -- that works without a hitch

Re: [R] TeachingDemos question: my.symbols() alignment problems in complicated layout

2008-07-21 Thread Greg Snow
] Cc: r-help@r-project.org Subject: Re: [R] TeachingDemos question: my.symbols() alignment problems in complicated layout Hi [EMAIL PROTECTED] wrote: Hello, After usefull suggestions by Paul Murrell, i have been trying to use my.symbols to plot arrows of varying angles on my plot

Re: [R] TeachingDemos question: my.symbols() alignment problems in complicated layout

2008-07-20 Thread Paul Murrell
Hi [EMAIL PROTECTED] wrote: Hello, After usefull suggestions by Paul Murrell, i have been trying to use my.symbols to plot arrows of varying angles on my plot in order to create a time series of wind direction... however,i have been unable to figure out how the allignment of symbols

Re: [R] TeachingDemos question: my.symbols() alignment problems in complicated layout

2008-07-20 Thread hadley wickham
Here are a couple of options: (i) use the 'gridBase' package and do these arrow annotations using the 'grid' package, which allows you to control coordinate systems in a more rational manner. There's an example (perhaps slightly more complicated than you need) in:

[R] TeachingDemos question: my.symbols() alignment problems in complicated layout

2008-07-11 Thread maria
Hello, After usefull suggestions by Paul Murrell, i have been trying to use my.symbols to plot arrows of varying angles on my plot in order to create a time series of wind direction... however,i have been unable to figure out how the allignment of symbols works... below i have included a