It is apparently possible to put a TikZ drawing inside a pdfcomment (but using mbox). Is is possible to associate only part of a drawing (e.g. a line) to a pdfcomment? Below it is the suggested ...
I am trying to put in some text tooltips in some tikz graphic. I have found an example using pdfcomment, but after I have used pdflatex and opened it with Evince, I don't see any tooltips. What am I ...