On Monday, June 9, 2003, at 01:34 AM, Tommi Hassinen wrote: > Yep, the surface/plane classes are at plane.cpp and surface.cpp. These > classes do not have any "hard-coded" functions that they call to > calculate > the values. I've always wondered if we could hack that a bit to store information in the file format. That way you could display surfaces/cube data around the molecule and use Ghemical for a viewer for other program data. (Displaying MOs from other programs would be great too, but that's a different subject.) -Geoff