Difference between revisions of "Documentation/Nightly/Extensions/MatlabBridge"

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<font color="red">'''MatlabBridge is only available for nightly builds, but unfortunately extensions for nightly builds may not be available immediately. If the extension does not appear for your installed Slicer version, then use an earler nightly version of Slicer, such as [http://slicer.kitware.com/midas3/api/rest?method=midas.bitstream.download&name=Slicer-4.2.0-2013-07-13-win-amd64.exe&checksum=424bf07b2954fc1956b69a755920b916 this release]'''
 
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{{documentation/{{documentation/version}}/module-section|Introduction and Acknowledgements}}
 
{{documentation/{{documentation/version}}/module-section|Introduction and Acknowledgements}}
Author: Andras Lasso (PerkLab, Queen's University), Jean-Christophe Fillion-Robin (Kitware), Kevin Wang (Radiation Medicine Program, Princess Margaret Hospital, University Health Network Toronto), Gabor Fichtinger (PerkLab, Queen's University)<br>
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Author: Andras Lasso (PerkLab, Queen's University), Jean-Christophe Fillion-Robin (Kitware), Kevin Wang (Princess Margaret Cancer Centre), Gabor Fichtinger (PerkLab, Queen's University)<br>
 
Contact: Andras Lasso, <email>lasso@cs.queensu.ca</email><br>
 
Contact: Andras Lasso, <email>lasso@cs.queensu.ca</email><br>
 
Project website: http://www.slicerrt.org<br>
 
Project website: http://www.slicerrt.org<br>
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|{{collaborator|logo|namic}}|NA-MIC
 
|{{collaborator|logo|namic}}|NA-MIC
 
|{{collaborator|logo|perklab}}|PerkLab
 
|{{collaborator|logo|perklab}}|PerkLab
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|{{collaborator|logo|ocairo}}|OCAIRO
 
}}
 
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Demo videos:
 
Demo videos:
* [http://screencast.com/t/veVw16jB3uk Creating and using a Matlab module]
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* [https://youtu.be/dFNbt1sIdqQ Creating and using a Matlab module]
* [http://screencast.com/t/LcdrCx9l0 Editing and debugging a Matlab module]
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* [https://youtu.be/8LijOcv3GDY Editing and debugging a Matlab module]
  
 
Tutorial: [[Media:MatlabBridgeTutorial.pdf|How to create, run, customize Matlab modules]]
 
Tutorial: [[Media:MatlabBridgeTutorial.pdf|How to create, run, customize Matlab modules]]
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{{documentation/{{documentation/version}}/extension-section|Tutorials}}
 
{{documentation/{{documentation/version}}/extension-section|Tutorials}}
 
*'''[[Media:MatlabBridgeTutorial.pdf|Comprehensive MatlabBridge tutorial: how to create, run, customize Matlab modules]]'''
 
*'''[[Media:MatlabBridgeTutorial.pdf|Comprehensive MatlabBridge tutorial: how to create, run, customize Matlab modules]]'''
 +
*[https://github.com/PerkLab/SlicerMatlabBridge/tree/master/Examples/ A few example modules]
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* [[documentation/{{documentation/version}}/Developers/SlicerExecutionModel#XML_Schema|Specification of module descriptor XML file]]
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* Demo video: [https://youtu.be/dFNbt1sIdqQ Creating and using a Matlab module]
 +
* Demo video: [https://youtu.be/8LijOcv3GDY Editing and debugging a Matlab module]
 
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{{documentation/{{documentation/version}}/extension-section|Information for Developers}}
 
{{documentation/{{documentation/version}}/extension-section|Information for Developers}}
* Source code: https://subversion.assembla.com/svn/slicerrt/trunk/MatlabBridge/
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* Source code: https://github.com/PerkLab/SlicerMatlabBridge/tree/master/
* Issue tracker:  [https://www.assembla.com/spaces/dG15GuCs4r4l4UeJe5cbCb/tickets/report/u783013 open issues and enhancement requests]
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* Issue tracker:  [https://github.com/PerkLab/SlicerMatlabBridge/issues open issues and enhancement requests]
* Design overview: [https://subversion.assembla.com/svn/slicerrt/trunk/MatlabBridge/doc/MatlabBridgeDesign.pptx].
+
* Design overview: [https://github.com/PerkLab/SlicerMatlabBridge/raw/master/Docs/MatlabBridgeDesign.pptx].
 
+
* Running Matlab modules without accessing a Matlab license: You can run your Matlab modules on a computer that does not have Matlab license by using the Matlab Compiler.
Tested with Matlab R2012a and R2013a.
+
** On the development computer (with Matlab and Matlab Compiler license) create an executable (let's call it MyModuleCollection.exe) with the Matlab Compiler:
 +
*** include all the MatlabBridge CommandServer functions (https://github.com/PerkLab/SlicerMatlabBridge/tree/master/MatlabCommander/commandserver) as Shared Resources
 +
*** include your custom .m files (including the .m file that the slicer module generator creates) as Shared Resources
 +
*** choose cli_commandserver.m as "Main File"
 +
** Installation on the target computer (a self-contained executable can be created as described on the [[Documentation/Labs/CustomSlicerGenerator]] page):
 +
*** Copy the MyModuleCollection.exe to the target computer (it can be anywhere, but make sure it's not in a directory that is listed in Slicer additional module paths)
 +
*** Install Slicer
 +
*** Install MatlabBridge extension
 +
*** Set the location of your Matlab module proxy (.bat file or shell script) and CLI descriptor (.xml) files as additional module paths in Slicer
 +
** Running on the target computer:
 +
*** Start MyModuleCollection.exe (anytime ''before'' you start Slicer)
 +
*** Start Slicer
 +
* Tested with Matlab R2009b, R2012a, and R2013a on Windows7.
  
 
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* Problem: When I try to run my Matlab module, the Matlab process does not start (Matlab window does not appear on the taskbar)
 
* Problem: When I try to run my Matlab module, the Matlab process does not start (Matlab window does not appear on the taskbar)
 
** Solution [on Windows Vista/7/8]: Please go to the Matlab module generator module and in the “Matlab executable” editbox set the path to your “.../bin/matlab.exe” (not to "activate_matlab.exe" or other exe files in the Matlab program directory or any file in the bin/win64 directory).
 
** Solution [on Windows Vista/7/8]: Please go to the Matlab module generator module and in the “Matlab executable” editbox set the path to your “.../bin/matlab.exe” (not to "activate_matlab.exe" or other exe files in the Matlab program directory or any file in the bin/win64 directory).
 +
** Solution [on Mac OS X]: Please go to the Matlab module generator module and in the “Matlab executable” editbox set the path to your “/Applications/MATLAB.app/bin/matlab” (instead of MATLAB.app you may have MATLAB_<Release>.app, where <Release> is the MATLAB Release's version, i.e., R2009a, R2012b, etc.).
 
* Problem: When I try to run my Matlab module, the Matlab process starts (Matlab window appears on the taskbar and it displays the message "Starting OpenIGTLink command server at port 4100 Waiting for client connections..."), but the Matlab module execution fails (in the Slicer error log the "igtl::ClientSocket (...): Failed to connect to server 127.0.0.1:4100" message is displayed)
 
* Problem: When I try to run my Matlab module, the Matlab process starts (Matlab window appears on the taskbar and it displays the message "Starting OpenIGTLink command server at port 4100 Waiting for client connections..."), but the Matlab module execution fails (in the Slicer error log the "igtl::ClientSocket (...): Failed to connect to server 127.0.0.1:4100" message is displayed)
 
** Solution [on Windows Vista/7/8]: Firewall settings prevent Matlab-Slicer communication. Please add a firewall exception by the following steps:
 
** Solution [on Windows Vista/7/8]: Firewall settings prevent Matlab-Slicer communication. Please add a firewall exception by the following steps:
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**# Click ''Yes'', if a dialog box appears asking "''Do you want to allow the following program to make changes to this computer?''"
 
**# Click ''Yes'', if a dialog box appears asking "''Do you want to allow the following program to make changes to this computer?''"
 
**# Enter the following command: ''netsh firewall add portopening tcp 4100 MatlabBridge''
 
**# Enter the following command: ''netsh firewall add portopening tcp 4100 MatlabBridge''
 +
** Solution [on Mac OS X]: Firewall settings prevent Matlab-Slicer communication. Please disable firewal or add a firewall exception.
 
* Problem: module execution is not completed
 
* Problem: module execution is not completed
 
** Solution: make sure you've selected .../MATLAB/.../bin/matlab.exe as Matlab executable (and not .../MATLAB/.../bin/win64/MATLAB.exe)
 
** Solution: make sure you've selected .../MATLAB/.../bin/matlab.exe as Matlab executable (and not .../MATLAB/.../bin/win64/MATLAB.exe)
 +
* I would like to add breakpoints and do step-by-step debugging in Matlab
 +
** Solution:
 +
*** Start Matlab normally (with the full user interface)
 +
*** Load your Matlab script files, add breakpoints
 +
*** Start the MatlabBridge command server in Matlab by running ''cli_commandserver''
 +
**** Location of ''cli_commandserver.m'' script: <SlicerExtensionDirectory>/MatlabBridge/lib/Slicer-4.3/cli-modules/commandserver (for example, C:/Users/myusername/AppData/Roaming/NA-MIC/Extensions-23549/MatlabBridge/lib/Slicer-4.3/cli-modules/commandserver)
 +
**** Where is <SlicerExtensionDirectory>? Open the 'Matlab Module Generator' module in Slicer, it shows ''Matlab script directory''. <SlicerExtensionDirectory> is the parent directory of ''Matlab script directory''.
 +
*** Run your module in Slicer. Matlab will stop at the specified breakpoints and you can observer variables and do step-by-step debugging.
 +
* Error when trying to run a Matlab module in a slicelet
 +
** Solution: do not add --no-main-window to SlicerLauncherSettings.ini but pass it to Slicer.exe on the command line instead
 +
 
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Latest revision as of 04:45, 20 June 2018

Home < Documentation < Nightly < Extensions < MatlabBridge


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


Introduction and Acknowledgements

Author: Andras Lasso (PerkLab, Queen's University), Jean-Christophe Fillion-Robin (Kitware), Kevin Wang (Princess Margaret Cancer Centre), Gabor Fichtinger (PerkLab, Queen's University)
Contact: Andras Lasso, <email>lasso@cs.queensu.ca</email>
Project website: http://www.slicerrt.org
License: Slicer license

SparKit  
NA-MIC  
OCAIRO  

Extension Description

MatlabBridgeLogo.png

MatlabBridge is an extension of 3D Slicer to allow running Matlab functions directly in 3D Slicer.

Highlights:

  • The extension allows running of Matlab functions directly from 3D Slicer: it takes the input from the data loaded into Slicer and visualizes the results in Slicer right after the execution is completed
  • If you change any input on the GUI (and the “AutoRun” option is enabled) the bridge automatically re-runs the Matlab script with the updated parameters and shows the new results
  • If you change your Matlab function then you can re-run the function and see the updated results with a single click
  • The graphical user interface is generated automatically from a standard command-line interface definition XML file (no GUI programming needed)
  • You can get started quickly by generating a skeleton Matlab function and interface definition XML file using the Matlab Module Generator module
  • No building of 3D Slicer or MEX files, etc. are needed – the only requirements are to download and install 3D Slicer with the MatlabBridge extension and have Matlab on your computer

The Matlab module behaves exactly as any other command-line-interface module, the Matlab engine is started automatically in the background (and it is kept running in the background so that you don’t have to wait for Matlab startup each time you run your function)

Demo videos:

Tutorial: How to create, run, customize Matlab modules

Modules

Use Cases

Tutorials

Information for Developers

  • Source code: https://github.com/PerkLab/SlicerMatlabBridge/tree/master/
  • Issue tracker: open issues and enhancement requests
  • Design overview: [1].
  • Running Matlab modules without accessing a Matlab license: You can run your Matlab modules on a computer that does not have Matlab license by using the Matlab Compiler.
    • On the development computer (with Matlab and Matlab Compiler license) create an executable (let's call it MyModuleCollection.exe) with the Matlab Compiler:
    • Installation on the target computer (a self-contained executable can be created as described on the Documentation/Labs/CustomSlicerGenerator page):
      • Copy the MyModuleCollection.exe to the target computer (it can be anywhere, but make sure it's not in a directory that is listed in Slicer additional module paths)
      • Install Slicer
      • Install MatlabBridge extension
      • Set the location of your Matlab module proxy (.bat file or shell script) and CLI descriptor (.xml) files as additional module paths in Slicer
    • Running on the target computer:
      • Start MyModuleCollection.exe (anytime before you start Slicer)
      • Start Slicer
  • Tested with Matlab R2009b, R2012a, and R2013a on Windows7.

Troubleshooting

  • Problem: When I try to run my Matlab module, the Matlab process does not start (Matlab window does not appear on the taskbar)
    • Solution [on Windows Vista/7/8]: Please go to the Matlab module generator module and in the “Matlab executable” editbox set the path to your “.../bin/matlab.exe” (not to "activate_matlab.exe" or other exe files in the Matlab program directory or any file in the bin/win64 directory).
    • Solution [on Mac OS X]: Please go to the Matlab module generator module and in the “Matlab executable” editbox set the path to your “/Applications/MATLAB.app/bin/matlab” (instead of MATLAB.app you may have MATLAB_<Release>.app, where <Release> is the MATLAB Release's version, i.e., R2009a, R2012b, etc.).
  • Problem: When I try to run my Matlab module, the Matlab process starts (Matlab window appears on the taskbar and it displays the message "Starting OpenIGTLink command server at port 4100 Waiting for client connections..."), but the Matlab module execution fails (in the Slicer error log the "igtl::ClientSocket (...): Failed to connect to server 127.0.0.1:4100" message is displayed)
    • Solution [on Windows Vista/7/8]: Firewall settings prevent Matlab-Slicer communication. Please add a firewall exception by the following steps:
      1. Start cmd.exe as administrator (open the Windows Start menu, type "cmd", hit Ctrl + Shift + Enter)
      2. Click Yes, if a dialog box appears asking "Do you want to allow the following program to make changes to this computer?"
      3. Enter the following command: netsh firewall add portopening tcp 4100 MatlabBridge
    • Solution [on Mac OS X]: Firewall settings prevent Matlab-Slicer communication. Please disable firewal or add a firewall exception.
  • Problem: module execution is not completed
    • Solution: make sure you've selected .../MATLAB/.../bin/matlab.exe as Matlab executable (and not .../MATLAB/.../bin/win64/MATLAB.exe)
  • I would like to add breakpoints and do step-by-step debugging in Matlab
    • Solution:
      • Start Matlab normally (with the full user interface)
      • Load your Matlab script files, add breakpoints
      • Start the MatlabBridge command server in Matlab by running cli_commandserver
        • Location of cli_commandserver.m script: <SlicerExtensionDirectory>/MatlabBridge/lib/Slicer-4.3/cli-modules/commandserver (for example, C:/Users/myusername/AppData/Roaming/NA-MIC/Extensions-23549/MatlabBridge/lib/Slicer-4.3/cli-modules/commandserver)
        • Where is <SlicerExtensionDirectory>? Open the 'Matlab Module Generator' module in Slicer, it shows Matlab script directory. <SlicerExtensionDirectory> is the parent directory of Matlab script directory.
      • Run your module in Slicer. Matlab will stop at the specified breakpoints and you can observer variables and do step-by-step debugging.
  • Error when trying to run a Matlab module in a slicelet
    • Solution: do not add --no-main-window to SlicerLauncherSettings.ini but pass it to Slicer.exe on the command line instead