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| − | == Requirements ==
| + | <big>'''Note:''' We are migrating this content to the slicer.org domain - <font color="orange">The newer page is [https://www.slicer.org/wiki/Slicer3:Launcher here]</font></big> |
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| − | [[2007_Project_Half_Week#Projects | One of the projects]] at the 2007 AHM was a [[media:2007_AHM_Programming_Half_Week_Slicer3_Launch.ppt | review of the Slicer3 launcher]].
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| − | A summary of the conculusions is:
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| − | * for the shared library plugins to work the application needs to be built in shared mode (not static)
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| − | * this means that shared library paths must be set ''before'' the application is started
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| − | * a launcher can do this -- it is a small program that does not have shared library dependencies that sets paths and then executes the main application
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| − | Some other nice things the launcher can do:
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| − | * since the launcher starts quickly, it can put up a splash screen for user feedback while the main program is loading
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| − | * the launcher can catch abnormal termination conditions of the main program and provide user feedback
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| − | * the launcher can run arbitrary programs with the exact environment used by the main application (for example, you can run a debugger on Slicer3-real with all the shared libraries resolved, or you can run a shell from which you can run ldd to see the dependencies for a library).
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| − | == Implementation ==
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| − | The group decided to adopt the approach used by slicer2, which is based on the [http://www.equi4.com/starkit.html starkit/starpack] technology for building small, stand alone programs that include a full tcl/tk interpreter. | |
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| − | The code and documentation are in Slicer3/Utilities/Launcher. The actual startup script is Slicer3/launch.tcl.in, which gets configured by cmake into Slicer3-build/lib/launch.tcl.
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Latest revision as of 17:59, 10 July 2017
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