powplot config of figures for publication

2006-07-18 Thread Yang, Ling
Dear Rietvelders, Do you know how to change the settings for the powplot window in GSAS so that the figure looks more appealing for publishing? I did find some "options" in the menu for text size etc, but they do not work. Other settings, like symbol, length of reflection lines, are also problemat

powplot config of figures for publication

2006-07-18 Thread Yang, Ling
rystallographic Laboratory Department of Chemistry & Biochemistry 091 Chemistry Building University of Maryland College Park, MD 20742-4454 Phone: (301)405-1861 Fax: (301)314-9121 E-mail: [EMAIL PROTECTED] http://www.chem.umd.edu/facility/xray/ -Original Message----- From: Yang, Ling [mail

Estimate particle size

2006-07-21 Thread Yang, Ling
Dear Rietvelders, I have a question about how to estimate particle/domain size from GSAS refinement. The manual gives a very simple equation p=(DIFC)*K / sqrt(8ln2*sig-2), saying that there is no instrument broadening for sig-2, which I don't know whether it's right or not because in the instrumen

PDF analysis

2008-07-28 Thread Yang, Ling
Dear All, There must be some problem with the mailing list since all my emails didn't get through. Hope this one will pass. Stimulated by the topics on pair distribution functions, can I ask some questions here about PDF analysis? What is the proper way of scaling in PDF calculation, so that one m

Mask for Fit2d

2009-08-28 Thread Yang, Ling
Hi, Does anyone know how to mask single pixel in Fit2d? I found it necessary sometimes to remove only 1 pixel, but did not see this option. Please let me know if you have this experience. Thanks. Sincerely, Ling Yang Bldg. 8610, MS 6494 Oak Ridge National Laboratory Oak Ridge, TN 37830

Determine bean center for small angle scattering image in Fit2d

2009-09-15 Thread Yang, Ling
Dear Rietvelders, Do you know an efficient/precise way to determine the beam center for small angle scattering images in Fit2d? I have no data for standard sample. Circles are observed but very blurred, so it is hard to decide the beam center. There is a "contour plot" command but you cannot ch