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TreeBuilder – a PL/SQL graphical tree generator

February 26, 2017 Leave a comment

TreeBuilder computes the set of node coordinates necessary to represent a single-rooted tree in a graphical environment.
Node positioning is implemented using the improved version of Walker’s algorithm, published by Buchheim, J√ľnger and Leipert :
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.16.8757

Tree data is exposed as a pipelined function.
The API also provides a constructor to visualize the tree as an SVG object.

Source code available on GitHub :

/mbleron/oracle/TreeBuilder

 

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