anchor.diff:  #-------------------------------------------------------------------------------
   # VTK (http://www.vtk.org)
   #-------------------------------------------------------------------------------
  -RUN apt-get -y build-dep vtk6
  -
   RUN \
       cd $SOFT && \
       mkdir vtk && \
  
positive.code: # https://afni.nimh.nih.gov/pub/dist/doc/htmldoc/background_install/install_instructs/steps_linux_ubuntu.html#install-steps-linux-ubuntu
  #-------------------------------------------------------------------------------
  RUN \
      apt-get install -y tcsh xfonts-base python-qt4  && \
      apt-get install -y libxm4 libuil4 libmrm4 libmotif-common libmotif-dev motif-clients && \
      apt-get install -y gsl-bin netpbm gnome-tweak-tool libjpeg62 && \
      apt-get update && \
      ln -s /usr/lib/x86_64-linux-gnu/libgsl.so /usr/lib/libgsl.so.0
  
  RUN \
      cd $SOFT && \
      wget -c $LIBXP_URL && \
      dpkg -i `basename $LIBXP_URL` && \
      apt-get install -f
  
  RUN curl -O $AFNI_URL
  
  RUN ["chsh", "-s", "/usr/bin/tcsh"]
  RUN ["tcsh", "@update.afni.binaries", "-package", "linux_openmp_64", "-do_extras"]
  RUN ["chsh", "-s", "/bin/bash"]
  
  RUN \
      cp $HOME/abin/AFNI.afnirc $HOME/.afnirc && \
      echo "addpath $HOME/abin" >> $BASHRC
  
  
negative.code:     cmake -DCMAKE_BUILD_TYPE=Release \
            -DITK_DIR=$SOFT/ants/build/ITKv4-build \
            ../PETPVC && \
      make -j $N_CPUS && \
      echo "addpath ${SOFT}/petpvc/build/src" >> $BASHRC
  
  #-------------------------------------------------------------------------------
  # Camino (http://camino.cs.ucl.ac.uk/)
  #-------------------------------------------------------------------------------
  #-------------------------------------------------------------------------------
  # FSL (http://fsl.fmrib.ox.ac.uk)
  #-------------------------------------------------------------------------------
  RUN \
      cd $SOFT && \
      git clone $CAMINO_GIT camino && \
      echo "addpath ${SOFT}/camino/bin" >> $BASHRC && \
      echo "source /etc/fsl/5.0/fsl.sh" >> $BASHRC && \
      echo "export FSLPARALLEL=condor"  >> $BASHRC
  
  #-------------------------------------------------------------------------------
  # MATLAB and toolboxes
  