This directory provides the package `SoPhy' on Some soil physical tools in R including water flow by SWMS_2D which has been submitted to R, http://www.R-project.org, and is distributed under the GNU General Public License version 2. This package needs the library "libtiff.so" that can be obtained from http://www.remotesensing.org/pub/libtiff/ (linux) as libtiff and libtiff-devel rpm-packages (SuSe linux) from gnuwin32.sourceforge.net/packages/tiff.htm (Windows - do not forget to set the PARH variable appropriately) Further, the orginal code and the documentation of SWMS_2D by J. Simunek, T. Vogel, and M. Th. van Genuchten can be downloaded from this site. It is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Please see http://cran.r-project.org/ for the currently official version. The main help page is help(SoPhy). Martin Schlather