I have a suggestion to help organize how pressure affects brush.
Currently we have this Reaction on Pen Pressure tool. Inside we have the options :
-Alter radius and depth depending on pressure
-Alter only depth
-Alter pen radius, depth and opacity
-Paint with constant depth and radius regardless of pressure
And still there's no Alter only Opacity depending on pressure, or only Opacity and Depth, or Opacity and Radius only. There would be just too many combinations, if you put them all it would be cluttered.
It would be more organized if instead of these different 'reaction combinations', there was just a small icon beside each feature (depth, radius, transparency) which indicates if that feature is affected by pen pressure or not. For example, a small icon of a pen. There are already a chain lock or other icons on the top bar, it's just adding one more.
This would not only get things organized, but also the pen pressure could be extended to affect smooth amount, specular and other features.
Emilio