for multiple columns python '$__tool_directory__/bar_chart.py' '$input' #if $xtic.userSpecified == "Yes" $xtic.xticColumn #else 0 #end if $colList '$title' '$ylabel' $ymin $ymax '$out_file1' '$pdf_size' Yes No Normal: 800 by 600 Small: 640 by 480 Large: 1480 by 800 Normal Flipped: 600 by 800 Small Flipped: 480 by 640 Large Flipped: 800 by 1480 gnuplot-py **What it does** This tool builds a bar chart on one or more columns. Suppose you have dataset like this one:: Gene1 10 15 Gene2 20 14 Gene3 67 45 Gene4 55 12 Graphing columns 2 and 3 while using column 1 for X Tick Labels will produce the following plot: .. image:: ${static_path}/images/bar_chart.png :height: 324 :width: 540