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).
 * itk-zlib (zlib library wrapped up for nirrdio)

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. A classic CMake approach is to use "add_subdirectory" to include each module in correct order according to their dependencies. Git submodule is used to obtain all the modules all together with specific versions. 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 selected modules from their repositories and building them. Users can select the specific modules they need for their applications from the cmake gui.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
  • itk-zlib
  git://kwsource.kitwarein.com/itk/itk-zlib.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

Method A: itk-complete

Download the itk-complete package using Git: 

git clone git://kwsource.kitwarein.com/itk/itk-complete.git

Download toy modular ITK modules using git submodule: 

# enter the itk-complete directory 
cd itk-complete
# add the submodule repository URLs
git submodule init
# clone the repositories and check out the commits specified in the superproject
git submodule update


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

Method B: itk-optional

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


CDash Tests

url for the nightly run


Reference

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