Yes,<br><br>Now it works! interesting..<br>Still no luck with the PDF_DISPLAY workflow though..<br><br>Jorge<br><br><div><span class="gmail_quote">On 6/16/06, <b class="gmail_sendername">Dan Higgins</b> <<a href="mailto:higgins@nceas.ucsb.edu">
higgins@nceas.ucsb.edu</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi Jorge,<br><br> I have some more information on your problem.
<br><br> When I execute the Kepler-1.0.0beta1 application on a PPC Mac by<br>double clicking 'Kepler-1.0.0beta1', I can reproduce the problem that<br>you reported. However, there is also a script for launching Kepler in
<br>the distribution called 'kepler.sh'. If I open kepler from the terminal<br>using with './kepler.sh' with X11 running and DISPLAY set, then there is<br>no error and the linear regression example works and displays a plot! I
<br>do NOT understand why the behavior should depend on exactly how Kepler<br>is launched! (Perhaps something in how the ENV variables are passed to<br>the app.)<br><br> In any case, you might want to try launching Kepler from Terminal
<br>with the shell script and see if that works for you.<br><br>Dan<br><br>---<br><br>Dan Higgins wrote:<br>> Hello Jorge,<br>><br>> Sorry that you are having a problem with Kepler, (but thanks for<br>> reporting the problem). I thought that having X11 open and setting the
<br>> DISPLAY problem avoided this problem for Mac PPC machines. It seems to<br>> work on machines in use here, but obviously not for you. [Incidently,<br>> interfacing with X11 is a known problem for the new Mac Intel
<br>> machines, although we are not sure why.] I'll have to dig into this to<br>> see if I can find the problem. What version of R is installed on you<br>> Mac? [Kepler launches R the same way as you would by entering 'R' on
<br>> the command line.]<br>><br>> The problem is related to the fact that R on the Mac uses some X11<br>> code for the jpeg display device, and I picked that device for the<br>> Kepler RExpression actor because we could display jpegs easily in
<br>> Kepler on Windows, Mac, and Linux. A better display device for the Mac<br>> would be a PDF device (since that is handled natively), and I have<br>> been looking at changing the default behavior in Kepler. [Note that
<br>> RExpression actors work on the Mac if you disable the 'Graphics<br>> Output' parameter and just look at text output]<br>> Attached is an example Kepler workflow showing how to use a 'pdf'<br>> command within an R script to override the default setup and display
<br>> the pdf file using an IJMacro actor. Note that this workflow will not<br>> execute with the Kepler beta1 release until you replace the ij.jar in<br>> the $KEPLER/lib/jar/ directory with an updated version of this ImageJ
<br>> jar (see <a href="http://rsb.info.nih.gov/ij/download.html">http://rsb.info.nih.gov/ij/download.html</a> and get the 1.36<br>> version).<br>><br>> Dan Higgins<br>><br>><br>><br>> Jorge A. Ahumada wrote:
<br>>> Hello,<br>>><br>>> I am interested in using Kepler for creating workflows with R. I have<br>>> a MAC<br>>> 10.4.6 PPC Dual G5 and downloaded the beta 6.1 of Kepler. When<br>>> attempting to
<br>>> run the linear regression workflow I get this error:<br>>><br>>> [R]> setwd('/Users/jorge')<br>>> [R]> jpeg(filename = '1150472825782.jpg',width = 480, height = 480,<br>>> pointsize = 12,quality = 75, bg = 'white')
<br>>><br>>> Erro en X11(paste(\"jpeg::\", quality, \":\", filename, sep = \"\"),<br>>> width,<br>>> : no fue posible iniciar el dispositivo JPEG<br>>> Adem·s: Warning message:
<br>>> no fue posible abrir la conecciŪn con el dispositivo X11 ''<br>>> EjecuciŪn interrumpida<br>>><br>>> X11 is open and I typed setenv DISPLAY localhost:0.0<br>>><br>>> Seems that the X11 command has the wrong syntax for Mac or Linux:
<br>>> X11(paste(/"jpeg::/". Etc..)<br>>><br>>> How do I change it? Is this the problem..Any ideas?<br>>><br>>> Thanks,<br>>><br>>> Jorge<br>>><br>><br>><br>
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<br>> <link port="Constant.output" relation="relation"/><br>> </entity><br>><br>> ------------------------------------------------------------------------<br>><br>> _______________________________________________
<br>> Kepler-users mailing list<br>> <a href="mailto:Kepler-users@ecoinformatics.org">Kepler-users@ecoinformatics.org</a><br>> <a href="http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users">
http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users</a><br>><br><br><br>--<br>*******************************************************************<br>Dan Higgins <a href="mailto:higgins@nceas.ucsb.edu">
higgins@nceas.ucsb.edu</a><br><a href="http://www.nceas.ucsb.edu/">http://www.nceas.ucsb.edu/</a> Ph: 805-893-5127<br>National Center for Ecological Analysis and Synthesis (NCEAS) Marine Science Building - Room 3405<br>
Santa Barbara, CA 93195<br>*******************************************************************<br><br><br>_______________________________________________<br>Kepler-users mailing list<br><a href="mailto:Kepler-users@ecoinformatics.org">
Kepler-users@ecoinformatics.org</a><br><a href="http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users">http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users</a><br></blockquote></div>
<br>