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Hi, That's wonderful - pretty much exactly what I was looking for, but getting the value in Hz somehow would be much more useful, for the reasons Marco gave. I like the idea of using peaklists as a way of choosing the sf. Another possibility would be to take the first displayed spectrum in the list as the default, but having the ability to choose another one by clicking on the button containing the values. It may also be useful to display which spectrum any Hz value refers to (or at least the sf), to prevent people accidentally checking the wrong values after a long day. Good feature though, thanks. Andy On Wed, 2009-10-14 at 12:05 +0200, Marco Roeben wrote: > Hello, > > Wayne wrote: > > >I've just added something into 2.1.1 which I'd like comments on. In a > >spectrum window (with focus) if you type "d" then it draws a > >(quasi-permanent) crosshair at that location, and then instead of the x, y > >position being reported at the top (in the button to the right of the > >Strips button) you get the difference to that crosshair. If you press "d" > >a second time it moves the crosshair. If you want to get rid of this and > >go back to the normal situation then you type "D". > > Really nice!!! > > > > >And currently it just does ppm. So the question on that front is do we > >need the ability to display Hz even if the window shows ppm. (Of course > >the windows don't have the ability yet to be drawn in Hz, but that's TBD.) > >And if so, what sf should we use to do the conversion? (We could add a > >way of specifying that somehow, the only question is where.) > > Since the common unit for coupling constants or line width is Hz, from my > point of view, it should also be drawn in Hz. > > For the sf you need to know to which spectra the user is referring to when he > wants to know the "delta Hz", right? Why not using the peak list tool bar. > There you can decide if you want to have a "multi list" or not. You could do > something like turning the Hz scale only on if "multi list" is off and > therefore only one specific spectra is chosen. > > Don't know if this, kind of, could solve your problem, but I'm hoping you got > the idea. An advantage would be, that the user is already used to this way of > deciding which spectra to use and have not to remember another configuration > dialog. > > > > best regards > > Marco > -- Dr Andy Herbert Department of Chemistry University of Edinburgh West Mains Road Edinburgh UK EH9 3JJ Tel: +44 (0)131 651 3042 or 650 4792 Email: [log in to unmask] The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.