Background Fill - Bar Chart vs Depth

I would like to 'hatch' my bar chart vs depth and graphic log columns to show sections of core loss where applicable. I am having some issues solving the rules code on this in the background fill section...
alpha angle fractures and color conditioning bar chart

Hi, How can I do a visual representation of an alpha angle for fractures? I am trying to achieve a line where it bends based on the alpha angle. for example, 90deg is a vertical line, 45deg is a slant...
Weighted Log Scale - Bar Chart vs Depth Column

I am curious if I can create a weighted scale in a bar chart vs depth column? Currently the data scale has 2 divisions, and intakes a value from 0-6. The other lines are vertical lines drawn to depth which...