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Project Description

Grandalf is a python package made for experimentations with graphs and drawing algorithms. It is written in pure python, and implements two layouts: the Sugiyama hierarchical layout and the force-driven or energy minimization approach. While not as fast or featured as graphviz or other libraries like OGDF (C++), GDToolkit (C), tulip (Java), it provides a way to draw and navigate graphs no larger than thousands of nodes, while keeping the source code simple enough to make it possible to easily tweak and hack any part of it for experimental purpose. With a total of about 1500 lines of python, the code involved in drawing the Sugiyama (dot) layout fits in less than 600 lines. The energy minimization approach is comprised of only 250 lines!

Grandalf does only two not-so-simple things:

  • computing the nodes (x,y) coordinates (based on provided nodes dimensions, and a chosen layout)
  • routing the edges with lines or nurbs

It doesn’t depend on any GTK/Qt/whatever graphics toolkit. This means that it will help you find where to draw things like nodes and edges, but it’s up to you to actually draw things with your favorite graphics toolkit.

Release History

Release History

0.5555

This version

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TODO: Figure out how to actually get changelog content.

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0.555

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
grandalf-0.5555-py2.7.egg (65.9 kB) Copy SHA256 Checksum SHA256 2.7 Egg Sep 20, 2016
grandalf-0.5555-py2-none-any.whl (31.2 kB) Copy SHA256 Checksum SHA256 py2 Wheel Sep 20, 2016
grandalf-0.5555.tar.gz (35.3 kB) Copy SHA256 Checksum SHA256 Source Sep 20, 2016

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