Graphic display and manipulation of tree-type data structures.
Holifield, Claude Myrick Jr.
Kildall, Gary A.
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The subroutine package TREEPAK is designed to interface a PL/I program with a graphic display unit, allowing display, creation and manipulation of tree structures, while providing the user with a graphic representation of the tree. The package is implemented under IBM System/360 using the IBM 2250-1 graphic display unit as the primary input/output device. Facilities include creation of trees from the alphanumeric keyboard and cards, adding and deleting subtrees in existing trees, and saving and retrieving trees. Trees may be passed between TREEPAK and the user written main program. An implementation of the Wang Algorithm is given as an example application program.
RightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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