Parafocussing definition?

2016-05-01 Thread Matthew Rowles
Hi all I've been trying to find a good explanation of what parafocussing (wrt Bragg-Brentato geometry) actually is, but haven't been able to find one. Klug and Alexander just reference Brentano's papers. "The Basics of Crystallography and Diffraction" 2nd ed say that B-B geometry is "semi-focuss

software to generate jpg or tiff plots of multiple patterns from in-situ measurement

2016-05-01 Thread Leopoldo Suescun
Dear Colleagues, Sorry for this not strictly -Rietveld related- question. Could anyone suggest a free software to generate jpg or tiff files of 3D views, from different perspectives, of multiple powder patterns collected in in-situ XRPD measurements vs T or t. A colleague not very used to powder