When the Adjust Layout checkbox is checked two new settings appear: Layout Width and Layout Height.
I think I start with an example right away. Take a look at this beautiful chart.
Now when I change the Layout Height Proportionality of the category axis to Fixed; 4 centimetres, the chart looks like this:
The category axis now is 4 centimetres in height. When I change it to 7 centimetres, the chart looks like this:
The category axis height is now 50 % of the total chart height. Which becomes very clear when I change the chart a little bit.
I think this is a great feature, even if it has no real name. You can use it to create more consistent charts, for example in sections.
Chart with fixed with