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Pigale 1.3.11


Pigale 1.3.11

Free and open source graph editor and a C++ algorithm library

Pigale is a graph editor and a C++ algorithm library essentially concerned with planar graphs.


Pigale, which is particularly intended for graph theoretical research, includes new algorithms based on recent theoretical researches.


It is built over a new graph data structure optimizing topological operations on static graphs. Implementation of the graphml input-output file format is partial.


Pigale Main Features:

  • Constrained drawing on a grid
  • Unbound number of undoes
  • Macro capabilities
  • Reconfigurability

  • Pigal 1.3.11 New Features : 

  • corrected a bug while taking snapshots of the editor. This bug was introduced in pigale 1.3.10 (since then the editor uses OpenGL).
  • added a representation of a bipartite graph on 2 pages
  • improved representation of bipartite graphs by contact of segments so that all segments touch or cross the diagonal
  • pigale is automatically relinked when libraries have changed.
  • added to configure the option --enable-ubuntu to use the preinstalled Qt4 package (may work on other distributions).
  • corrected a bug in RemoveIsthmus()

  • Pigal Free Download :

  • Download Pigal 1.3.11

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