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EDM Update

John Sinclair Oak Ridge National Laboratory. EDM Update. Introduction. Extensible display manager Widget set PV support Web site: ics-web1.sns.ornl.gov/edm Development history Distribution Documentation. What’s New?. Bugs and bug fixes Small changes and behavior tweaks

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EDM Update

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  1. John Sinclair Oak Ridge National Laboratory EDM Update

  2. Introduction • Extensible display manager • Widget set • PV support • Web site: ics-web1.sns.ornl.gov/edm • Development history • Distribution • Documentation

  3. What’s New? • Bugs and bug fixes • Small changes and behavior tweaks • View macro and environment values • X/Y graph option to auto-scale inward • Ramp widget

  4. What’s New? • Make related changes by Janet Anderson • Possible problems with Solaris • May have to delete …extensions/include/edm/* when updating • Qt version will eventually be available • Port became stalled due to poor text performance • Latest version is better

  5. Features • Widgets • Graphic • Monitor • Control • Simple dynamic behavior • Color and visibility may depend on PV value • Simple symbol facility • Build display symbols composed of graphic widgets • Display state (64) may depend on values of multiple PVs • Simple layout management aids • Align, center, distribute, size, group, fine position adjust via keyboard

  6. Features (cont) • EPICS, local, calc pvs • LOC\locpv1=d:0 • LOC\locpv2=e:1,zero,one,two • CALC\{A=5?0:B/(A-5)}(pv1,pv2) • Functional colors and color rules • Inferior to edd/dm

  7. Features (cont) • For edl generating tools… • edl file may contain arbitrary embedded metadata meaningful to external tool • Run-time configuration option generates file display list syntax • Input filter mechanism • Employs external script or executable to transform contents of a foreign file based on file extension • medm adl file (adl2edl) • EPICS ascii db file (in-house perl script)

  8. Features (cont) • Remote file access via curl • Remote access via ca gateway and webserver • Utilizes Xlib, Xtoolkit, and motif • One process can manage multiple screens on multiple remote displays • Installation/configuration can be difficult

  9. Xtoolkit • New, old bug in the Xtoolkit code • Fedora 2 • RHEL 4 • Fedora 5 • Fedora6 • RHEL 5

  10. Configuration • Set environment variables • Manually create/copy various files • Colors • Fonts • Printer definitions • Objects • PV Objects

  11. Configuration • Not too difficult, except for how to identify special sharable libraries and how to populate edm object files

  12. Special Libraries

  13. Special Libraries

  14. Special Libraries

  15. Populating edm Object Files

  16. Populating edm Object Files

  17. More Information • ics-web1.sns.ornl.gov/edm • edm Documents and Files • How-To's and Examples • edm installation example • User manual discusses color and font management and printer definition details

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