anchor.diff:      python setup.py install && \
       # PUDB, for local debugging convenience
       pip install pudb && \
  -    # Anaconda's build of gcc is way out of date; monkey-patch some linking problems that affect
  -    # packages like xgboost and Shapely
  -    rm /opt/conda/lib/libstdc++* && rm /opt/conda/lib/libgomp.* && \
  -    ln -s /usr/lib/x86_64-linux-gnu/libgomp.so.1 /opt/conda/lib/libgomp.so.1 && \
  -    ln -s /usr/lib/x86_64-linux-gnu/libstdc++.so.6 /opt/conda/lib/libstdc++.so.6 && \
       # ~~~~ CLEAN UP ~~~~
       rm -rf /root/.cache/pip/* && \
       apt-get autoremove -y && apt-get clean && \
  
positive.code: 
      # Install OpenCV-3 with Python support
  RUN apt-get update && \
      apt-get -y install libgeos-dev && \
      # pyshp and pyproj are now external dependencies of Basemap
      pip install pyshp pyproj && \
  
negative.code:     # Cartopy plus dependencies
      yes | conda install proj4 && \
      pip install packaging && \
      cd /usr/local/src && git clone https://github.com/Toblerity/Shapely.git && \
      cd Shapely && python setup.py install && \
      cd /usr/local/src && git clone https://github.com/SciTools/cartopy.git && \
  