The example selection exported from the figure on the left-hand side can be viewed here.
Also make sure that the required libraries listed above are available on your system. For any Debian-based system, e.g., it should suffice to run:
sudo apt-get install python-poppler python texlive-extra-utils texlive
If you have tested gpdfx and want to give your feedback, please contact me at clehner at users.sourceforge.net.
gpdfx is developed under the GNU General Public License. The source code is currently maintained by Christoph Lehner.
Version 1.1 includes contributions of Nathan Goldschmidt which reduce the size of the generated PDF file.