Events:CTK-Pre-Hackfest-2010

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The Common Toolkit Hackfest at the DKFZ in Heidelberg, Germany hosted by the MBI.

This is a working meeting - the goal is to start writing code!
Heidelberg
Source: Heidelberg_corr.jpg

Links


Topics

(1) Memory Management

  • Large Image Handling
    • streaming
    • out of core data management (memory mapped files, etc)
    • level of detail
    • Google Earth 3D
    • caching
  • Decide on smartpointers e.g. C++0x/Boost
    • Afternoon: check Qt vs C++0x/Boost smartpointers
    • Rule: Use Smartpointers of the super-class; if there is no super-class, use the one decided upon in the afternoon...

(2) Migrate some code to the repository (e.g. Qt widgets) and use it in our respective toolkits

Steve: goal to make some progress on consolidating some Qt widgets from our various projects into a repository that we can all contribute to. Slicer Qt Project

See also CTK Widget Wish List Make use of Qxt? Qwt?

Slicer Annotation and Markup project for reporting

(3) DICOM IO layer on top of DCMTK: interpretation of DICOM data

(4) Interoperability of plugins

Steve: Summarize what would it take to make a standard that could handle at least the three following systems:

If we can handle those, then that's probably broad enough to cover many common scenarios.

Jc: PythonQt and the Qt based plugin architecture used in SlicerQt

Sascha, Olivier: Generic service oriented approach to expose modules for multiple platforms.

(5) Generic event mechanism (e.g. event bus, translate events into signals)

  • Sascha

Proposed Agenda

Sunday

  • 19:00 Welcome Dinner at Hotel Ritter

Monday - Thursday

  • 9:00 Transfer by bus from Ritter to DKFZ (Note: every day)

Monday at DKFZ

  • 9:30 Short presentation of agenda
  • 9:45 – 12:00 Presentation of topic leaders 20 min each including discussion: requirements, existing libraries, … Coffee breaks on demand
  • 12:00 – 13:00 Lunch
  • 13:00 – 13:30 General discussion Goal: select three topics to start with in smaller teams
  • 13:30 – 16:00 More detailed exploration of topics
  • 16:00 Presentation of first results, planning of further agenda

Tuesday

Hacking...

Wednesday


  • Effort to plug some XIP code into MITK
  • Drafting a first generic plugin framework (based on Qt)


  • CTK Repository Naming Conventions:
    • CTK
      • Libs
        • Core (depends on QtCore, filenames start with ctk)
          • ctkBundleActivator.h
          • ctkBundleContext.h
        • DICOM
        • Scripting
          • PythonQt
        • Visualization
          • VTK
          • OpenInventor
        • Widgets
      • Utilities
        • DCMTK
        • KWStyle
        • ZMQ
      • Testing
      • Examples
      • Documentation
  • CTK File Naming Conventions
    • Considerations:
      • allow KWStyle regular expressions to identify coding style (style is based on parent class - vtkObjects use vtk style, QObjects use Qt style).
      • name should indicate dependencies - using ctk prefix implies QtCore dependency

Thursday

  • TODO items
    • Add xip as external project to CTK superbuild
      • widget needs to be added to ctk git
    • Setup PythonQt as external project and add related widgets to CTK repository
    • Setup nightly builds for windows, mac, linux
    • Messaging - ctk class event manager and dispatcher as a demo (e.g. send IGSTK messages to MITK) - zmq supports both in-process and cross-process messaging.
    • Slicer CLI in MITK
    • OpenIGTLink as superbuild external project
    • Qt Mobility running in linux - example service for discovering CLI
    • Launcher in Qt
      • Fast splash screen
      • setting paths
      • launching debuggers with paths resolved
      • monitor main application behavior (auto bug report?)
    • DICOM
      • Indexer working with CTK-built DCMTK - CLI existing
      • Example application to tie sql database to qt widgets



Attendees

  • Steve Pieper, Boston
  • Oliver Kutter, Siemens (SCR)
  • Patrick Cheng, Georgetown University
  • Julien Finet, Kitware Inc.
  • Jean-Christophe Fillion-Robin, Kitware Inc.
  • Julien Jomier, Kitware Inc.
  • Marco Nolden, DKFZ
  • Ivo Wolf, DKFZ
  • Sascha Zelzer, DKFZ