MITK v2021.02

Updated 1,160 Days AgoPublic

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News for MITK Workbench users

Visualization improvements

We improved the visualization of translucent objects. Also a correct depth perception is now retained in combination with volume rendering (see video below). The visualization in general has a smoother appearance since we use so-called anti-aliasing techniques to reduce jagged pixel edges of objects.

News for developers

• 🧭 We added navigation links to the top and bottom of the Phabricator-versions of our changelogs. Please use them to flip through the past changelogs for a comprehensive overview of changes.
• 💡 After a short list of a few mentions to raise awareness of new features and concepts, we focus on merging the tables of dependency changes over time and on referencing all relevant API-breaking changes.

✨ New features

New selection concept and UI

A new selection concept was introduced, following our mission to decouple plugin views from selections in the Data Manager view. We recommend that you adapt your plugins to the new concept in an effort to unify user experience.

Auto-cleaning of external projects on updates

Updates of external projects like CTK, ITK, or VTK were difficult to get right in existing MITK builds as sometimes old build artifacts, header files, or configuration files had to be removed manually to successfully build MITK again. This is no longer the case since we implemented a mechanism to automatically clean an external project, if its definition file changed. This feature can be disabled through the MITK_AUTOCLEAN_EXTERNAL_PROJECTS CMake cache variable.

Project organization in Visual Studio

Projects in the MITK Visual Studio solution are now automatically organized into folders for applications, modules, plugins, and so on. MITK extensions have separate root folders to easily navigate through MITK's and your code.

🛠 Third-party dependency changes

The following table shows a complete list of changed third-party dependencies. Considerable changes include:

• Minimum required versions of our prerequisites
  • CMake 3.18
  • Qt 5.12 (5.12.9 on Windows)
  • NSIS 3 for building Windows .exe installers
• Major core dependency updates
  • VTK 8.1 🡪 VTK 9 (migration guide)
• Replacements
  • TinyXML 🡪 TinyXML-2 (migration guide)
  • ACVD 🡪 OpenMesh (rationale)

Some outdated and experimental components of MITK were removed which resulted in the removal of a few dependencies without replacement.

🔥 API-breaking changes

Dangerous changes

• ⚠️ Migration from TinyXML to TinyXML has a few implicit but major pitfalls. Please follow the migration guide thoroughly.
• ⚠️ Render window names were changed from stdmulti.widget[1-4] to stdmulti.widget[0-3]. Since it is only a change of literal strings it has a high potential to fail unnoticed.

Behavioral changes

• The default mechanisms of assembling DICOM images from a collection of files or a folder changed

Documentation changes

• Implementation files like .cpp files are now excluded from the doxygen parser

Build system changes

• ITK dependencies of modules and plugins were completely redone
• The PACKAGE_DEPENDS mechanism (third-party dependencies of modules and plugins) was overhauled for many dependencies like Boost, OpenMesh, OpenMP, OpenSSL, or Python3
• Auto-load modules are not allowed as link-time dependencies anymore
• The SUBPROJECTS parameter of mitk_create_module() is not parsed anymore

Other API-breaking changes

• 📂 Modules
  • 📂 Core
    • DataNode
    • LevelWindowManager
    • RenderingManager
    • SliceNavigationController
    • UIDGenerator
  • 📂 CommandLine
    • CommandLineParser
  • 📂 ContourModel
    • ContourModel
  • 📂 DataTypesExt
    • CompressedImageContainer
  • 📂 DICOMReader 🡪 📂 DICOM
  • 📂 DICOMReaderServices 🡪 📂 DICOM/autoload/DICOMImageIO
  • 📂 DicomRT 🡪 📂 RT
  • 📂 DicomRTIO 🡪 📂 RT/autoload/DICOMRTIO
  • 📂 DicomUI 🡪 📂 DICOMUI
  • 📂 ImageStatistics
    • ExtendedLabelStatisticsImageFilter
  • 📂 QtWidgets
    • QmitkRenderWindow (also here and here)
    • QmitkRenderWindowMenu
    • StdMultiWidget
  • 📂 Remeshing
  • 📂 Segmentation
    • AutoSegmentationTool
    • DiffSliceOperation
    • SegTool2D
    • Tool
• 📂 Plugins
  • 📂 org.mitk.gui.qt.common
    • IRenderWindowPartStrategy
  • 📂 org.mitk.gui.qt.ext.stdmultiwidgeteditor
    • QmitkStdMultiWidgetEditor
  • 📂 org.mitk.gui.qt.segmentation
    • QmitkDeformableClippingPlaneView 🡪 📂 org.mitk.gui.qt.deformableclippingplane

Removed modules, plugins, and classes

• 📂 Modules
  • 🗁 Biophotonics
  • 🗁 BiophotonicsHardware
  • 📂 DataTypesExt
    • 🗋 Mesh
    • 🗋 MeshUtil
  • 🗁 GPGPU
  • 📂 MapperExt
    • 🗋 MeshMapper2D
    • 🗋 MeshVtkMapper3D
  • 🗁 PhotoacousticsAlgorithms
  • 🗁 PhotoacousticsHardware
  • 🗁 PhotoacousticsLib
  • 🗁 PlanarFigureSegmentation
  • 🗁 RDF
  • 🗁 SpectroCam
  • 📂 US
    • 🗋 USDiPhASDeviceCustomControls
  • 🗁 USHardwareDiPhAS
  • 📂 USUI
    • 🗋 QmitkUSControlsCustomDiPhASDeviceWidget
• 📂 Plugins
  • 🗁 org.mitk.gui.qt.lasercontrol
  • 🗁 org.mitk.gui.qt.photoacoustics.imageprocessing
  • 🗁 org.mitk.gui.qt.photoacoustics.pausmotioncompensation
  • 🗁 org.mitk.gui.qt.photoacoustics.pausviewer
  • 🗁 org.mitk.gui.qt.photoacoustics.simulation
  • 🗁 org.mitk.gui.qt.photoacoustics.spectralunmixing
  • 🗁 org.mitk.gui.qt.spectrocamrecorder

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