What is it about?
CMPR (https://subversion.xray.aps.anl.gov/trac/CMPR/wiki) was written to view powder data diffraction data from multiple sources; view data in many ways and to do many types of computations such as superimposing reflection positions, autoindexing, peak fitting etc. It runs only under a very old version of Tcl/Tk and requires the BLT package.
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Why is it important?
CMPR was widely used at a number of beamlines and was quite convenient and powerful. However, it has not been updated in over a decade and will not run, at least easily, on Macs and Linux. It probably does run on Windows, but for how long that will be true is not clear.
Perspectives
Much of what CMPR does can also be found in GSAS-II (https://subversion.xray.aps.anl.gov/trac/pyGSAS), perhaps not quite with the simplicity of CMPR, but GSAS-II is being actively developed and runs on all major platforms.
Dr Brian H. Toby
Argonne National Lab
Read the Original
This page is a summary of: CMPR– a powder diffraction toolkit, Journal of Applied Crystallography, November 2005, International Union of Crystallography,
DOI: 10.1107/s0021889805030232.
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