Graphical Data Display Manager: Difference between revisions

Revision as of 03:35, 12 April 2020

Latest revision as of 12:18, 8 April 2025

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GDDM was extended in the early 1980s to provide graphics support for all of IBM's display terminals and printers, and ran on all of IBM's mainframe operating systems.

GDDM also provided support for the (then current) international standards for interactive computer graphics: [[Graphical Kernel System|GKS]] and [[PHIGS]]. Both GKS and PHIGS were designed around the requirements of [[CAD]] systems.

GDDM is also available on the IBM i midrange operating system, as well as its predecessor, the AS/400.<ref>{{cite web |title=Creating Presentation Graphics with GDDM |url=https://www.mcpressonline.com/analytics-cognitive/document-management/creating-presentation-graphics-with-gddm |website=MC Press Online |accessdate=Mar 1, 2020}}</ref>

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* Graphics primitives - lines, circles, boxes etc.

* Graphing - through the Presentation Graphics Feature (PGF)

* Language support - [[PL/I]], [[REXX]], [[COBOL]] etc.

* Conversion capabilities - for example to GIF format.

* Interactive Chart Utility (ICU).

GDDM remains in widespread use today, embedded in many [[z/OS]] applications, as well as in Systemsystem programs.

==GDDM and OS/2 Presentation Manager==

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==External links==

* [https://web.archive.org/web/20050117192808/http://www-03.ibm.com/ibm/history/history/year_1979.html announcement of 3279 and 3287.]

* [https://www-01.ibm.com/support/knowledgecenter/ssw_ibm_i_61/books_web/sc410536.pdf GDDM Programming Guide]