ITK/Release 4/Wrapping: Difference between revisions

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add interfaces in ITK classes and wrap those classes
add interfaces in ITK classes and wrap those classes
== Pending Tasks ==
* [http://www.vtk.org/Wiki/ITK_Release_4/Wrapping/Tasks here]

Revision as of 14:12, 1 May 2011

Wrapping

Requirements

  • Avoid unnecessary dependencies
  • Wrap +80% of the toolkit
  • Have ITK look similar to the native wrapped language

Tools

  • WrapITK. For installing WrapITK with ITK follow here
  • Swig
  • CableSwig
  • MUMMY

Languages

What languages to wrap

Parallel Build Status

Discussions

Tcon July 19 2010

  • Dropping CableSwig
  • Using Swig Directly
    • Along with GCC_XML
  • Two Levels of Wrapping
    • Wrapping the Simplified Layer (many wrapping tools will do)
    • Wrapping the Templated Layer (WrapITK,GCC_XML)
  • Managing multiple component images
    • Microscopy use cases
    • Remote Sensing cases
    • itkVectorImage ?
    • need a "component-by-component" filter driver ?
  • Make easy to add new types (e.g. another pixel type for the image...)
    • Run time binding may help here (along with the internal finder)
  • Make possible (easy?) to distribute binaries of the wrapping.
    • Maybe use the package manager (Ryppl ?).
    • The same goes for the C++ version.
  • Remove (or deprecate) itkSetVectorMacro and itkGetVectorMacro

they make the generated methods unusable in the target languages, and are not used that much in ITK

[glehmann@gbook build]$ grep -r etVectorMacro ~/src/Insight/Code/*/*.h | wc -l
    34

They are used in two quite common filters - ChangeInformationImageFilter and PadImageFilter - and this makes this filter at least partly unusable in the target languages.


Tcon 808310

Agenda 081310

  • gccxml maintenance

who does it? migration to CLang?

  • migrating to WrapITK 0.3
  • recode igenerator.py in C++
  • languages support
    • keep python 2
    • keep java
    • add C#
    • add Python 3?
    • remove Tcl?
  • redefine the WrapITK libraries (grouping of classes)

It seems to be tightly linked to ITK_Release_4/Modularization.

  • Default wrapped types and abbreviated naming scheme

Some choices are already made for SimpleITK

  • Wrapping coverage

100% filters coverage?

  • Binary distribution
  • ITK Image to/from target language array conversion
  • Automatic Inline documentation
  • Target language inheritance (SWIG directors)
  • Automatic type selection in Python
  • Improve 64bits support in ITK — surely done elsewhere already
  • GDCM wrapping integration?

Minutes 081310

Attendees

  • Luis Ibañez
  • Gabe Hart
  • Gaëtan Lehmann
  • Brad King

Topics

  • gccxml maintenance

Brad working on it. Getting harder with newer compiler. Will probably possible for the next couple of years.

CLang must be explored as a replacement.

  • migrating to WrapITK 0.3
  • recode igenerator.py in C++

reuse cable code. already read gccxml output.

  • languages support
    • keep python 2
    • keep java
    • add C#
    • add Python 3? maybe
    • remove Tcl? sure
  • redefine the WrapITK libraries (grouping of classes)

use the same module organization than in ITK

  • Default wrapped types and abbreviated naming scheme
  • Wrapping coverage
  • Binary distribution

distribute binary for now next move to ryppl

  • ITK Image to/from target language array conversion
  • Automatic Inline documentation
  • Target language inheritance (SWIG directors)
  • Automatic type selection in Python
  • Improve 64bits support in ITK — surely done elsewhere already

remove 64 bit pixel type

rework filter using unsigned long type

  • GDCM wrapping integration?

add interfaces in ITK classes and wrap those classes

Pending Tasks