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APEX version 2.0: latest version of the cross-platform analysis program for EXAFS.

N Dimakis1, G Bunker

  • 1Department of Biological Physical and Chemical Sciences, Illinois Institute of Technology, Chicago 60616, USA. dimakis@biosgo2.bio.aps.anl.gov

Journal of Synchrotron Radiation
|August 22, 2001
PubMed
Summary

APEX 2.0 is an enhanced, free, open-source software for X-ray Absorption Fine Structure (XAFS) data analysis. This cross-platform tool now offers interactive graphics and improved functionality for routine analysis and training.

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Area of Science:

  • Materials Science
  • Chemistry
  • Physics

Background:

  • APEX 1.0 provided basic X-ray Absorption Fine Structure (XAFS) data analysis.
  • Previous versions lacked advanced features like multiple scattering fitting and user-friendly graphics.
  • Cross-platform compatibility was limited, despite initial availability on multiple operating systems.

Purpose of the Study:

  • To describe recent advancements in the APEX software suite.
  • To introduce APEX 2.0 with enhanced features for XAFS data analysis.
  • To provide a more integrated and user-friendly tool for researchers.

Main Methods:

  • Integration of cross-platform interactive graphics using the BLT package (TCL/TK extension).
  • Rewriting of utilities in native TCL/TK for improved performance and integration.

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  • Porting the software to SunOS for expanded platform support.

    • Main Results:

    • APEX 2.0 now includes user-friendly interactive graphics.
    • Enhanced functionality and faster performance through native TCL/TK utilities.
    • Successful porting to SunOS, increasing its accessibility.

    Conclusions:

    • APEX 2.0 is suitable for routine XAFS data analysis and training.
    • The enhanced version addresses limitations of previous releases.
    • Future development will include more advanced data analysis methods.