Release 0.9

Dear all,

We are pleased to announce the release of the version 0.9 of the DGtal library and its DGtalTools ( As usual, the Changelog is huge and we encourage you to have a look to it  (see link below), see « New features, critical changes » , «  Changes » and « Bug fixes » sections).

However, we would like to emphasize several things:

  • the DEC package that was introduced in 0.8 has been considerably optimized and enhanced. The API and operator names have slightly changed to improve consistency.
  • many new features in the geometry package: convex-hulls/alphashapes in 2D, DSS union in log-time, 3D-DSS recognition, lambda-MST in 2D and 3D,
  • as usual, new container for digital sets based on hashed containers (many DGtal tools get 20-50% speedup), new mathematical tools, better I/O, better visualization tools with possible interactions, less issues, better documentation …
  • plenty of new tools in the DGtalTools repository ( sliceViewer, converter tools (itk, heightmap,…), bug fixes …

DGtal is a generic open source library for Digital Geometry programming for which the main objective is to structure different developments from the digital geometry and topology community.


  • DGtal 0.9 :
  • Complete changelog:
  • DGtal 0.9 DOI: 10.5281/zenodo.31884

  • DGtalTools 0.9 :

  • Complete changelog:
  • DGtalTools 0.9 DOI: 10.5281/zenodo.31882

  • Documentation:

  • Tutorials:
  • Documentation docket URL (for dash or zeal tools):

Sincerely yours,
DGtal Team

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