I'm not a visual learner. I still -- to this day -- have no idea how anyone interprets anything from a 3D ion map. It all just looks the same to me, even when other people can point out real data variations in color and density and whatever. When I was younger and cared more, I'd nod my head a lot and say "I see..."
(Found by Googling "serious intellectual pug" -- I know you were wondering)
Let's find all the PTMs!! Let's do it because this file shifts like crazy compared to this file! And let's do it with DeltaMass.
You can get it here (you can get it with Java)!