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This directory contains links to the Voro++ library which is required
to use the VORONOI package and its compute voronoi/atom command in a
LAMMPS input script.
The Voro++ library is available at http://math.lbl.gov/voro++ and was
developed by Chris H. Rycroft while at UC Berkeley / Lawrence Berkeley
Laboratory.
You must perform the following steps yourself, or you can use the
install.py Python script to automate any or all steps of the process.
Type "python install.py" for instructions.
1. Download Voro++ at http://math.lbl.gov/voro++/download
either as a tarball or via SVN, and unpack the
tarball either in this /lib/voronoi directory
or somewhere else on your system.
2. compile Voro++ from within its home directory
% make
3. There is no need to install Voro++ if you only wish
to use it from LAMMPS. You can install it if you
wish to use it stand-alone or from other codes:
a) install under the default /usr/local
% sudo make install
b) install under a user-writeable location by first
changing the PREFIX variable in the config.mk file, then
% make install
4. Create two soft links in this dir (lib/voronoi)
to the Voro++ src directory is. E.g if you built Voro++ in this dir:
% ln -s voro++-0.4.6/src includelink
% ln -s voro++-0.4.6/src liblink
Note that these links could also be set to the include and lib
directories created by a Voro++ install, e.g.
% ln -s /usr/local/include includelink
% ln -s /usr/local/lib liblink
When these steps are complete you can build LAMMPS
with the VORONOI package installed:
% cd lammps/src
% make yes-voronoi
% make g++ (or whatever target you wish)
Note that if you download and unpack a new LAMMPS tarball,
the "includelink" and "liblink" files will be lost
and you will need to re-create them (step 4). If you
built Voro++ in this directory (as opposed to somewhere
else on your system) and did not install it somewhere
else, you will also need to repeat steps 1,2,3.
The Makefile.lammps file in this directory is there for compatibility
with the way other libraries under the lib dir are linked with by
LAMMPS. However, Voro++ requires no auxiliary files or
settings, so its variables are blank.
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