Dear Guido, Thanks very much for your reply. Just to add, it looks like the .pp file format has the same ordering as the xcrysden.xsf format which is column-major (http://www.xcrysden.org/doc/XSF.html) i.e. the outermost loop runs fastest, as one might expect for a Fortran program.
Best wishes, Johannes On 14 Nov 2012, at 12:29, Guido Fratesi wrote: > Dear Johannes, > >> I'm also guessing that the innermost index runs fastest, i.e. if pp.x was >> written in C it would do something like this > > The relevant routine is flib/plot_io.f90: you will find the WRITE statements > there. And it is written in fortran (90). > > HTH > Guido > > -- > Guido Fratesi > > Dipartimento di Scienza dei Materiali > Universita` degli Studi di Milano-Bicocca > via Cozzi 53, 20125 Milano, Italy
