"Guide_to_eevee.ipynb" improvements

Several things for the guide jupyternotebook:

Setting a Background: .save_background_to_csv() saves a folder with "background_values". There is no naming for specific dataset. Is this intended behaviour? Currently if you don't switch folder and run the script on another dataset it will overwrite the file. <- Maybe introduce a input if you are going to overwrite a previous background file or give .save_background_to_csv() a filename variable like .save_countmaps_as_tif() has

Countmaps .rebinned_tree doesn't work on the imported signal ('s' in guide) There is a line about "Now the countmaps are saved in Func, and can be accessed with .rebinned_tree. The structure of it is a dictionary and specific countmaps can be accessed with their X-ray line name."

• s.rebinned_tree gives an error: AttributeError: 'edx' object has no attribute rebinned_tree
• s.rebinned_tree() gives same error.

Maybe give .make_montage() a 'filename' default value so you can save the montage with a name

Quantification I am a bit uncertain how to use this part. The function .quantification_CL() makes quantified maps which are then stored in an attribute. When calling the attribute you get a dictionary with the quantified maps. Can this be converted to a atomic percent?

Making line scans/traces from the countmaps "The following opens two windows where we can choose a line from which the linescan is calculated. You can close the windows when you have selected the line of interest." 'Figure A stack of countmaps Signal' doesn't update. I don't know what this figure shows. Is it a navigator for the countmaps hyperspy signal? in that case the x and y axis are weird. Or is it the counts over the line we choose?