On Tue, 26 Feb 2008, Roger D. Peng wrote: > Thanks, running r44621 works well (on my FC5 box) and I can make various > plots (I just did some limited testing). > > When I run the 'TestChars()' example in 'points' I get many warnings of the > form: > > 1: In plot.xy(xy.coords(x, y), type = type, ...) : > pch value '128' is invalid in this locale > 2: In plot.xy(xy.coords(x, y), type = type, ...) : > pch value '129' is invalid in this locale > 3: In plot.xy(xy.coords(x, y), type = type, ...) : > pch value '130' is invalid in this locale > > The warnings go until > > 49: In plot.xy(xy.coords(x, y), type = type, ...) : > pch value '176' is invalid in this locale > 50: In plot.xy(xy.coords(x, y), type = type, ...) : > pch value '177' is invalid in this locale > > after which I think the warnings are not saved. Given the note in 'points' I > sense this is expected?
In a UTF_8 locale, yes. Not in a, say, Latin-1 locale. > TestChars(sign = -1) and TestChars(font = 5) do not give any warnings but > some odd looking characters do appear on the device. > > Here is my sessionInfo: > >> sessionInfo() > R version 2.7.0 Under development (unstable) (--) > x86_64-unknown-linux-gnu > > locale: > LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] lattice_0.17-6 RColorBrewer_1.0-2 cacher_0.1-1 > > loaded via a namespace (and not attached): > [1] digest_0.3.1 grid_2.7.0 tools_2.7.0 > > > -roger > > Prof Brian Ripley wrote: >> Revision r44621 supports (in a limited way) cairo 1.0 and hence I believe >> vanilla FC5 -- I found what purports to be a vanilla FC5 box and it works >> quite well there. >> >> Two people have reported that the svg(), cairo-pdf() and cairo-ps() devices >> produce blank (but not empty) files. I was able to confirm that on Debian >> etch (cairo 1.2.4). They do work on cairo 1.4.14 (F8) and better on a >> 1.5.10 snapshot. >> >> We've got a working version on Mac OS X, but you need to install cairo. >> >> Finally, the quality of the fonts you see will depend on what fonts you >> have installed: if you only have X11 bitmapped fonts, that is what you will >> get (and I am getting on our minimally configured Debian etch machine). >> Our Fedora installations are mainly using the URW Type 1 fonts in the >> urw-fonts RPM. One of the alternatives is RH's liberation fonts >> (https://www.redhat.com/promo/fonts/). >> >> On Mon, 25 Feb 2008, Prof Brian Ripley wrote: >> >>> That call is from Cairo 1.2, so looks like our test FC5 box had a later >>> version of the cairo libraries than the one pkg-config reported. >>> >>> You should be able to build with --without-cairo until such a time as we >>> can add a suitable configure test. >>> >>> Thank you for the report. >>> >>> On Mon, 25 Feb 2008, Roger Peng wrote: >>> >>>> (Apologies, I meant to 'Reply to all' the first time but forgot). >>>> >>>> I built r44608 of R-devel with (I think) cairo support. At least, >>>> that's what the configure script told me. In addition, >>>> 'capabilities("cairo")' is TRUE. Calling X11(type = "Cairo") gives me >>>> the error: >>>> >>>> Error in X11() : X11 module cannot be loaded >>>> In addition: Warning message: >>>> In X11() : >>>> unable to load shared library >>>> '/home/rpeng/install/R-devel/lib64/R/modules//R_X11.so': >>>> /home/rpeng/install/R-devel/lib64/R/modules//R_X11.so: undefined >>>> symbol: cairo_image_surface_get_data >>>> >>>> >>>> I figured I must be missing a library somewhere, but I'm not sure how >>>> to track down which one. Any thoughts here? >>>> >>>> I'm on a FC5 system with: >>>> >>>> cairo-devel-1.0.4-1 >>>> cairo-1.0.4-1 >>>> cairo-1.0.4-1 >>>> >>>> and >>>> >>>> pango-1.12.4-4 >>>> pango-devel-1.12.4-4 >>>> pango-1.12.4-4 >>>> >>>> Also, I have >>>> >>>> [EMAIL PROTECTED] R-source]$ pkg-config --modversion pango >>>> 1.12.4 >>>> [EMAIL PROTECTED] R-source]$ pkg-config --modversion cairo >>>> 1.0.4 >>>> >>>> -roger >>>> >>>> On Mon, Feb 25, 2008 at 11:56 AM, Prof Brian Ripley >>>> <[EMAIL PROTECTED]> wrote: >>>>> R-devel has new versions of the X11(), png() and jpeg() devices on >>>>> Unix-alikes. The intention is that these are used identically to the >>>>> previous versions (which remain available) but will produce >>>>> higher-quality >>>>> output with more features. >>>>> >>>>> Pros: >>>>> >>>>> Antialiasing of text and lines (can be turned off) but no blurring of >>>>> fills. >>>>> >>>>> Buffering of the X11 display and fast repainting from a backing image. >>>>> (The intention is to emulate the timer-based buffering of the windows() >>>>> device in due course, but not for 2.7.0.) >>>>> >>>>> Ability to use translucent colours, including backgrounds, and produce >>>>> partially transparent PNG files. >>>>> >>>>> Scalable text, including to sizes like 4.5 pt. This allows more >>>>> accurate >>>>> sizing on non-standard screen sizes (e.g. my home machine has a 90dpi >>>>> 1650x1024 display whereas standard X11 fonts are set up for 75 or 100 >>>>> dpi). >>>>> >>>>> Full support for UTF-8, so on systems with suitable fonts you can plot >>>>> in >>>>> many languages on a single figure (and this will work even in non-UTF-8 >>>>> locales). The output should be locale-independent (unlike the current >>>>> devices where even English text is rendered slightly differently in >>>>> Latin-1 and UTF-8 locales). >>>>> >>>>> A utility function savePlot() to make a PNG/JPEG/TIFF copy of the >>>>> current >>>>> plot. >>>>> >>>>> The new png() and jpeg() devices do not require an X server to be >>>>> running. >>>>> >>>>> Cons: >>>>> >>>>> Needs more software installed - cairo, pango and support packages >>>>> (which >>>>> on all the systems we have looked at are pulled in by the packages >>>>> checked >>>>> for). You will see something like >>>>> >>>>> Additional capabilities: PNG, JPEG, iconv, MBCS, NLS, cairo >>>>> ^^^^^ >>>>> if configure finds the software we are looking for. >>>>> >>>>> Slower under some circumstances (although on the test systems much >>>>> faster >>>>> than packages Cairo and cairoDevice). This will be particularly true >>>>> for >>>>> X11() with a slow connection between the machine running R and the X >>>>> server. >>>>> >>>>> The additional software might not work correctly. >>>>> >>>>> >>>>> The new versions are not currently the default, but can be made so by >>>>> setting X11.options(type="Cairo"), e.g. as a load hook for package >>>>> grDevices. I am using >>>>> >>>>> setHook(packageEvent("grDevices", "onLoad"), >>>>> function(...) { >>>>> grDevices::ps.options(horizontal=FALSE) >>>>> if(getRversion() >= '2.7.0') >>>>> grDevices::X11.options(type="Cairo") >>>>> }) >>>>> >>>>> >>>>> Please try these out and let us know how you get on. As a check, try >>>>> the >>>>> TestChars() examples in ?points - on one Solaris 10 system a few of the >>>>> symbol font characters were incorrect. It worked on an FC5 system with >>>>> >>>>> auk% pkg-config --modversion pango >>>>> 1.12.4 >>>>> auk% pkg-config --modversion cairo >>>>> 1.0.4 >>>>> >>>>> so the versions required are not all recent. >>>>> >>>>> Although these devices would in principle work on Mac OS X, neither >>>>> cairo >>>>> nor pango is readily available. We are working on other versions for >>>>> Mac OS (X11 based on cairo/freetype, png/jpeg based on Quartz). >>>>> >>>>> There are also new svg() and tiff() devices. >>>>> >>>>> -- >>>>> 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-devel@r-project.org mailing list >>>>> https://stat.ethz.ch/mailman/listinfo/r-devel >>>>> >>>> >>>> >>>> -- >>>> Roger D. Peng | http://www.biostat.jhsph.edu/~rpeng/ >>>> >>> -- >>> 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 >>> >> > > -- > Roger D. Peng | http://www.biostat.jhsph.edu/~rpeng/ > -- 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-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel