在gnuplot中，如何生成具有可变矩形宽度的盒须图?

I'm trying to visualize a data set I have (in Java, but that doesn't matter much) using gnuplot. I could ask a few different questions about this, but for now: Suppose my data is categorical, and for each category I have quartiles 1,2,3, the min and max, and the total weight of samples in that category (but not the actual sample data). I want to plot this using GNUplot 'candlesticks'. I can almost get this:I'm trying to visualize a data set I have (in J