Slicer3:Slicer3 Beta Release Notes

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New Features in Slicer 3 Beta

Slicer 3 has many new features! The list here highlights most major some new features in Slicer 3. Please also note that many of these new features are still being developed and will be improved in future releases, so you may encounter some unexpected behavior. If you do encounter unexpected behavior, you can join the Slicer Users's mailing by sending email to with the subject "subscribe", and report the behavior there to see if there is a work around (or check the archives), and to the bug tracker if it needs to be solved by the developers.

Please see Slicer3:Status for a summary of new features.


Download the beta here




or, for 64 bit systems



Be sure you have X Windows installed.

From a terminal:


or, for older PPC Macs:




Known Issues: Base Operations

  • All Platforms:
    • Slicer3's interface is optimized for screen resolutions equal to or higher than 1280x1024. While it is useable below that resolution, it may become less efficient to utilize the GUI.
    • Undo/Redo can be unstable.

  • Linux:
    • Visual Effects can cause display and interaction problems. Go to Preferences->Appearance->Visual Effects and set to None. or Preferences->Visual Effects: disable.
    • csh must be installed (it's not on Ubuntu by default).
    • 64 bit linux systems sometimes do not detect button clicks. For example some edit boxes in multi-column list box may not be selectable. 32-bit linux is suggested for non-developers.
  • Windows:
    • File browsers may not show all files[1].
  • Mac:
    • Mac OS 10.5 has not been thoroughly tested. Binaries are built on 10.4.

Known Issues: Modules

As a research platform, Slicer includes several modules that are not yet fully implemented, but which the developers still felt were far enough along in functionality to provide utility for the community. As such, you may find that some operations do not behave as expected, particularly where they interact with other slicer functions. Please let us know about these issues by filing appropriate bug reports.


You don't have to build Slicer yourself to use it. If you want a precompiled version, go here.

To build slicer from source, see Slicer3:Build_Instructions

  • Windows
    • distributed versions are built with Microsoft Visual Studio .NET in release mode (note that there may be some problems compiling with .NET 2003)
  • Linux
    • We are building using g++ version 3.4.3 on RedHat Enterprise Linux 4.
  • Mac OSX
    • We are building using gcc version 4.0.1

Reporting Bugs

Please go to and report bugs for Slicer version 3.

Where to go for Help

Compilation/development questions can be sent to the Slicer Developer's Mailing List. Questions about running Slicer can be sent to the Slicer User's Mailing List.

Subscription management tools and archives are available at:


This work is part of the National Alliance for Medical Image Computing (NAMIC), funded by the National Institutes of Health through the NIH Roadmap for Medical Research, Grant U54 EB005149. Information on the National Centers for Biomedical Computing can be obtained from This work was also supported by NIH grant P41 RR13218 ( and the Biomedical Informatics Research Network (