Editing Software Development Platforms (section)

===gdcm===

You can get gdcm from http://sourceforge.net/apps/mediawiki/gdcm/index.php?title=Downloads .

 tar xvzf gdcm-2.2.0.tar.gz
 mkdir gdcm-2.2.0-build
 cd gdcm-2.2.0-build
 source /opt/vtk-5.10.0/setenv.sh
 ccmake ../gdcm-2.2.0

CMake variables of note are:

{| border="1" cellpadding="2" cellspacing="0"
|-
! option
! Setting
|- valign="top"
| CMAKE_BUILD_TYPE      ||          Release
|- valign="top"
| CMAKE_INSTALL_PREFIX || /opt/gdcm-1.3.2
|- valign="top"
| GDCM_BUILD_SHARED_LIBS || ON
|- valign="top"
| GDCM_USE_VTK ||  ON 
|- valign="top"
| GDCM_WRAP_PYTHON || ON
|- valign="top"
| PYTHON_DIR  || /lib/python2.7
|- valign="top"
| SWIG_EXECUTABLE || /opt/swig-2.0.7/bin/swig
|}

Also if you installed a newer version of python than the system default (which you should have), then you'll need to make sure that CMake is finding that, and not the system default python.  Check the following CMake variables.

{| border="1" cellpadding="2" cellspacing="0"
|-
! option
! Setting
|- valign="top"
| PYTHON_INCLUDE_DIR || /Library/Frameworks/Python.framework/Versions/2.7/Headers
|- valign="top"
| PYTHON_LIBRARY || /Library/Frameworks/Python.framework/Versions/2.7/lib/libpython2.7.dylib
|}

 make

I got an error "i686-apple-darwin11-llvm-g++-4.2: -compatibility_version only allowed with -dynamiclib".  To fix this, run "make VERBOSE=1", then repeat the last command (including the preceeding cd command), replacing -bundle with -dynamiclib.  Once you do that, you have to also create the links (after dc'ing back to the root build directory):

 cd bin
 ln -s libvtkgdcmPython.2.2.0.so libvtkgdcmPython.2.2.so
 ln -s libvtkgdcmPython.2.2.so libvtkgdcmPython.so
 cd ..

 sudo make install

After installation there will be a file /opt/gdcm-2.2.0/lib/vtkgdcm.py .  This has a lot of pointless (for our installation) stuff in it, and generates an irrelevant error message.  So just replace the entire contents of that file with this:

 from libvtkgdcmPython import *

Here is the setenv.sh script:

<source lang=bash>
#!/bin/bash

source /opt/vtk-5.10.0/setenv.sh

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

export GDCM_ROOT="${SCRIPT_DIR}"
export GDCM_DIR="${SCRIPT_DIR}"
remove_path PATH '/.+/gdcm(-[^/]+)?/bin/?$'
add_path PATH "${GDCM_ROOT}/bin"
remove_path DYLD_LIBRARY_PATH '/.+/gdcm(-[^/]+)?/lib/?'
add_path DYLD_LIBRARY_PATH "${GDCM_ROOT}/lib"
remove_path PYTHONPATH '/.+/gdcm(-[^/]+)?/lib/?'
add_path PYTHONPATH "${GDCM_ROOT}/lib"
</source>