ITK/Release 4/Modularization/Prototype/Tutorial

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Overview

  • Toy Example design: this tutorial demonstrates the prototype of modularized ITK with a toy example containing seven modules and a testing application.

The seven library modules are: 

 * itk-vnl (a subset of numeric libraries of VXL),
 * kwsys (a supporting library for ),
 * itk-common (core classes, macro definitions, typedefs, and other software constructs central to ITK),
 * itk-io-common (classes that support the reading and writing of data),
 * nrrdio (third-party library),
 * itk-io-nrrd (itk wrapper of nrrdio).

The application "test-itk-nrrd" module contains one test program that reads and writes images in Nrrd format.

  • CMake prototyping

To enable ITK developers download and configure the whole modularized ITK package, we designed several cmake magics to serve the modularized ITK . The major challenge is to manage dependencies between the modules. Two strategies using CMake have been proposed so far and both are demonstrated in this tutorial.


The classic CMake approach is to use "add_subdirectory" to include each module in correct order according to their dependencies. Here we refer this approach as "itk-complete" approach (Method A). Another approach is to use the state-of-the-art cmake function "add_export_project" to automate the process of pulling codes and data from their repositories. We refer to this second approach as "itk-optional" approach (Method B).

Requirements

  • A computer with a network connection
  • A build environment (gcc / VS)
  • CMake 2.8.2 installed([1])
  • Git 1.7.x.x installed ([2])

Git repositories of individual modules

  • itk-vnl
  git://kwsource.kitwarein.com/itk/itk-vnl.git
  • kwsys
 git://kwsource.kitwarein.com/itk/kwsys.git
  • nrrdio
  git://kwsource.kitwarein.com/itk/nrrdio.git
  • itk-common
 git://kwsource.kitwarein.com/itk/itk-common.git
  • itk-io-common
 git://kwsource.kitwarein.com/itk/itk-io-common.git
  • itk-io-nrrd
 git://kwsource.kitwarein.com/itk/itk-io-nrrd.git
  • test-itk-nrrd
 git://kwsource.kitwarein.com/itk/test-itk-nrrd.git


The sub-directory approach: itk-devel

To enable downloading and configure the whole modularized ITK package for usual ITK developers, the classic CMake approach is to use "add_subdirectory" to include each module in correct order according to their dependencies.

Download

Git repository:

  • itk-devel
  git://kwsource.kitwarein.com/itk/itk-devel.git
  • itk-depends
  git://kwsource.kitwarein.com/itk/itk-depends.git

Configure

  • How to configure the modularized code
    • CMake commands...

Build

  • How to build the modularized code

Test

  • How to submit a build to the ITK Dashboard
  • and where to find it.
http://www.cdash.org/CDash/index.php?project=Insight#ITKv4_Modularization

itk-use: Export-Project Approach

Download

  • How to download the modularized code

Configure

  • How to configure the modularized code
    • CMake commands...

Build

  • How to build the modularized code

Test

  • How to submit a build to the ITK Dashboard
  • and where to find it.
http://www.cdash.org/CDash/index.php?project=Insight#ITKv4_Modularization

Reference

 https://git.wiki.kernel.org/index.php/GitSubmoduleTutorial
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