Reverse logarithmic axis

[Wile_E_Coyote]

@couet It seems it could also be helpful for histograms:

Logarythmic axis on negative values

Dear ROOTers, I’m looking for suggestions on how to make a custom axis which would allow for setting a logarithmic scale on negative values. I would like to achieve something similar to this plot: [Screenshot%20from%202018-11-03%2015-18-57] I would be grateful for any ideas. Many thanks, Maciej