Dear LJ Genie, Sometimes I make two-color scatterplots with o-shaped points. Occasionally, when I have a few thousand points, they bunch up and it really matters which color was plotted first: I can't see behind the color that was plotted last... except when Acrobat refreshes its window. ...which of course means it's possible to manipulate the elements of a PDF. But how? Ideally, ...

So, I've pretty much decided to buy a Cat Genie. There are, of course, a few obstacles. The first is that because of the way my bathroom is layed out, the only place it will fit is under the sink. Which is fine, really. Except ... far so good; they are using it in the new spot. (originally posted to my dreamwidth account. LJ users can easily comment there using openID cross-site logins.)