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Introduction toDisplay Manager

MEDM & EDMTatsuro NAKAMURA @ KEK

January 2009

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Display Manager

• Display Manager is …– An Interactive GUI builder and execution engine for

control screens.– A kind of CA client program.

• Several Display Managers are developed.– EDD/DM– MEDM– dm2k– EDM

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MEDM

• Motif Editor and Display Manager

• Developed at APS since 1990

• Old but mature– Robust and Stable– Powerful– Efficient

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MEDM Documents

• Web Page– http://www.aps.anl.gov/epics/extensions/

medm/index.php

• Tutorial Slides– http://www.aps.anl.gov/bcda/

epicsgettingstarted/starttools/medm.htm

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EDM

• Extensible Display Manager

• Developed at ORNL

• Newer product than MEDM

• Component based --- Extensible widgets– “objects” can be added/removed from the list

of available objects without recompiling EDM itself.

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EDM Documents

• Web Page– http://ics-web.sns.ornl.gov/edm/

• Tutorial Slides– http://www.aps.anl.gov/epics/docs/USPAS2007.php

– http://ics-web.sns.ornl.gov/kasemir/train_2006/

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Other Display Managers

• EDD/DM – The display editor (EDD) and the display

manager (DM)– Developed at LANL– No longer supported

• dm2k– Originated from MEDM in 1996– Developed at BESSY – No longer supported