Software:Microsoft Automatic Graph Layout

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Short description: Software library
Microsoft Automatic Graph Layout (MSAGL)
Original author(s)Lev Nachmanson, Sergey Pupyrev, Tim Dwyer, Ted Hart, Roman Prutkin
Developer(s)Microsoft Research
Initial releaseFebruary 26, 2015; 8 years ago (2015-02-26)
Stable release
v1.1 / January 28, 2022; 2 years ago (2022-01-28)
Repositorygithub.com/Microsoft/automatic-graph-layout
Written inC#
Operating systemMicrosoft Windows
Platform.NET Framework
TypeSoftware framework
LicenseMIT License
Websiteresearch.microsoft.com/en-us/projects/msagl/

Microsoft Automatic Graph Layout (MSAGL) is a .NET library for automatic graph layout. It was created by Lev Nachmanson at Microsoft Research.[1]

Earlier versions carried the name GLEE (Graph Layout Execution Engine).[2]

Contents

The MSAGL software supplies three programming libraries:

  • Microsoft.MSAGL.dll, a device-independent graph layout engine;
  • Microsoft.MSAGL.Drawing.dll, a device-independent implementation of graphs as graphical user interface objects, with all kinds of graphical attributes, and support for interface events such as mouse actions;
  • Microsoft.MSAGL.GraphViewerGDI.dll, a Windows.Forms-based graph viewer control.
  • Microsoft.MSAGL.WpfGraphControl.dll, a WPF (Windows Presentation Foundation) based graph viewer control.

A trivial application is supplied to demonstrate the viewer.

Features

MSAGL performs layout based on principles of the Sugiyama scheme;[3] it produces so called layered, or hierarchical, layouts (according to the MSAGL home page). Modified Coffman–Graham scheduling algorithm is then used to find a layout that would fit in a given space. More detailed description of the algorithm can be found in U.S. Patent 7,932,907.

At some time, it did not support a wide range of different layout algorithms, unlike, for instance, GraphViz or GUESS.

It does not appear to support incremental layout.[4]

Availability and licensing

MSAGL is distributed under MIT License as open source at GitHub.[5]

See also

  • graph layout
  • Graph algorithms
  • Graphviz, an open-source graph drawing system from AT&T

References

  1. ↑ "Microsoft Automatic Graph Layout". https://www.microsoft.com/en-us/research/project/microsoft-automatic-graph-layout/. 
  2. ↑ "Visualize Custom Graph with MS Graph Layout Engine". 14 August 2018. https://www.syncfusion.com/blogs/post/visualize-custom-graph-ms-graph-layout-engine.aspx. 
  3. ↑ Nachmanson, Lev (June 2006). "Notes on an Implementation of Sugiyama's Scheme". https://www.microsoft.com/en-us/research/publication/notes-on-an-implementation-of-sugiyamas-scheme/. 
  4. ↑ "Microsoft Automatic Graph Layout | Semantic Scholar" (in en). https://www.semanticscholar.org/topic/Microsoft-Automatic-Graph-Layout/2926312. 
  5. ↑ "Microsoft Automatic Graph Layout". 17 October 2021. https://github.com/Microsoft/automatic-graph-layout.git. 

External links



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