Documentation/Nightly/SlicerApplication/ExtensionsManager

For the latest Slicer documentation, visit the read-the-docs.

3D Slicer now supports plug-ins which we call extensions. Extensions are available for download from an extension server. Extensions allow end-users to selectively install features that are useful for them.

Extensions Manager

Installing an extension

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  1. Open extensions manager

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  2. Choose an extension

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  3. Look at extension details

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  4. Click on "Install"

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  5. Extension is installed

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  6. Restart Slicer

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  7. Extension is available

Note: if extension manager is not visible then make sure that Enable extension manager option is enabled in Application Settings (menu item "Edit -> Application Settings -> Extensions"). If you changed the setting, Slicer has to be restarted for it to become effective.

Installing an extension without network connection

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  1. Download the extension package using these instructions on a network-connected computer.

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  2. Open extensions manager

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  3. Select 'Install from File' from the tools menu

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  4. Select a previously downloaded or otherwise obtained extension archive

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  5. Extension is installed

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  6. Restart Slicer

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  7. Extension is available

Updating installed extensions

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  1. Open extensions manager and select Manage Extensions tab

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  2. Select Check for Updates from the tools menu

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  3. Check log

By selecting Install Updates Automatically from the tools menu, Slicer will check if extension updates are available on start-up.

Uninstalling an extension

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  1. Open extensions manager

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  2. Click on "Uninstall"

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  3. Extension is scheduled for uninstall

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  4. Restart Slicer

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  5. Extension has been uninstalled

Disabling an extension

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  1. Open extensions manager and select Manage Extensions tab

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  2. Disable extension

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  3. Restart Slicer

Incompatible extensions

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  Incompatible extension has been identified

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  Error log message

Extensions Manager Settings

Extensions settings

Extensions settings

Extensions server URL: Address of the server used to download and install extensions Extensions installation path: Directory where extension packages should be extracted and installed

Module settings

Module settings

After installing an extension, the directories containing the modules bundled within an extension will be visible as additional module paths. Modules associated with an extension can also be disabled one by one.

Launcher settings

Launcher settings

Whereas the module path is used to indicate Slicer where to look to load additional modules, the extension manager also takes care of updating the LibraryPaths / Paths / EnvironmentVariables in the launcher settings so that libraries associated with modules can be successfully loaded.

This page has been moved to read-the-docs.