Hi Pieter,

Perhaps you already had a response about this, but if not I also get a similar error with gnuplot trying to open an X11 display. I fixed this by adding the following line to tools/plotting/bar_chart.py right at the bottom of the file just before the call to main:

Gnuplot.gp.GnuplotOpts.default_term = 'png'

The other thing I noticed about the bar chart tool is that it seems to be configured in bar_chart.xml to output a PDF file when in fact it produces a PNG image so I had to fix that also.

Kind regards
Matt

2009/7/29 Pieter Neerincx <pieter.neerincx@gmail.com>

Hi,

The bar chart generator does not work for me. It looks like gnuplot is complaining (see below or attached screenshot), but I'm not sure if this is the problem. I'm on CentOS 5.3 and have gnuplot version 4.0.0-14.el5. In addition I installed gnuplot-py 1.8. How do I fix this?

Cheers,

Pi

gnuplot> set style histogram clustered gap 5 title offset character 0, 0, 0 ^ line 0: expecting 'data', 'function', 'line', 'fill' or 'arrow' line 0: undefined variable: in line 0: undefined variable: invert
gnuplot> set style data histograms ^ line 0: expecting 'lines', 'points', 'linespoints', 'dots', 'impulses', 'yerrorbars', 'xerrorbars', 'xyerrorbars', 'steps', 'fsteps', 'histeps', 'filledcurves', 'boxes', 'boxerrorbars', 'boxxyerrorbars', 'vectors', 'financebars', 'candlesticks', 'errorlines', 'xerrorlines', 'yerrorlines', 'xyerrorlines', 'pm3d'
gnuplot: unable to open display 'localhost:13.0'
gnuplot: X11 aborted.



-------------------------------------------------------------
Biomolecular Mass Spectrometry and Proteomics
Utrecht University

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