But couldn't sort how to place the chromosome with cytobands in between also if i have a data set something like below how to plot the elements on same axis with different color representing different functional elements
bin number_of_functional_elements
1 3#promoters
2 4#enhancers
3 9#promoters
I want to put enhancers on rightside of the axis(up) and promoters on left side of the axis (down) with different colors for each