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Geografic-Information-System


			
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<h2>REQUIREMENTS to compile GRASS GIS 7</h2>

A workstation running some flavor of UNIX like Solaris, IRIX,
GNU/Linux, BSD, Mac OS X, Cygwin or MinGW (on Win32). Ideally, you
should have at least 500 Mb. The source code package needs around 80
MB uncompressed.  The resulting binaries may need between 20 MB and
180 MB depending on your platform. During a full compilation you may
need temporarily up to 550MB including the source code.
<p>
To disable features please read the <a href="INSTALL">INSTALL</a> file.

<h3>General requirements:</h3>

(most tools are standard tools on GNU/Linux, for other platforms you may have
to install some of them.)

<ul>
<li><b>C-compiler</b> (cc, gcc, egcs, ...)
<br>gcc: <a href="http://www.gnu.org/software/gcc/gcc.html">http://www.gnu.org/software/gcc/gcc.html</a>
<br>

<li><b>GNU make</b> is recommended (at least version 3.81)
<br><a href="http://www.gnu.org/software/make/make.html">http://www.gnu.org/software/make/make.html</a>
<br>

<li><b>zlib</b> compression library (already installed on most modern systems)
<br>It is used to internally compress GRASS raster maps:
<br>libz: <a href="http://www.zlib.net">http://www.zlib.net</a>
<br>

<li><b>flex</b> lexical analyzer generator (flex) - note: lex is no longer supported, please use flex instead:
<br>flex: <a href="http://www.gnu.org/software/flex/flex.html">http://www.gnu.org/software/flex/flex.html</a>
<br>

<li><b>parser generator</b> (yacc, bison)
<br>bison: <a href="http://www.gnu.org/software/bison/bison.html">http://www.gnu.org/software/bison/bison.html</a>
<br>

<li><b>libncurses4.x/5.x</b> (already installed on modern systems)
<br><a href="http://www.gnu.org/software/ncurses/ncurses.html">http://www.gnu.org/software/ncurses/ncurses.html</a>
<br><a href="ftp://ftp.gnu.org/pub/gnu/ncurses/">ftp://ftp.gnu.org/pub/gnu/ncurses</a>
<br>

<li><b>X Window</b>  system for graphical output, development libraries (X development
libraries, in some linux distributions they are separate packages, e.g. xlibs-dev or x11-server-devel)
<br><a href="http://www.xfree.org">http://www.xfree.org</a>
<br><a href="http://www.x.org">http://www.x.org</a>
<br>winGRASS note: As alternative a generic MS-Windows driver is under
construction which does not require X11
<br>

<li><b>PROJ4</b> - Projection Library<br>
<a href="http://trac.osgeo.org/proj">http://trac.osgeo.org/proj</a>
<br>

<li><b>GDAL and OGR</b> for import and export of most external raster and vector
map formats<br>
<a href="http://gdal.osgeo.org">http://gdal.osgeo.org</a>

<li><b>XDR</b> for raster I/O management (commonly provided on *NIX systems)<br>
<a href="https://svn.r-project.org/R/trunk/src/extra/xdr">https://svn.r-project.org/R/trunk/src/extra/xdr</a>

<li><b>python-dateutil</b> (for time stamp parsing in the temporal GIS framework)<br>
<a href="http://pypi.python.org/pypi/python-dateutil">http://pypi.python.org/pypi/</a>

</ul>

<h3>
Optional requirements:</h3>

<ul>
<li><b>Tcl/Tk 8.x libraries</b> (including the 'wish' program) to use the GRASS GUI
menu system and the NVIZ visualization suite<br>
Some features of the new <em>gis.m</em> GIS manager may depend on version 8.4 or newer.
<br>
see <a href="http://tcl.sourceforge.net">http://tcl.sourceforge.net</a>


<li>If hardware openGL support is missing in the X Server, <b>Mesa-3.x</b>
(openGL clone) may be required for NVIZ<br>
<a href="http://mesa3d.sourceforge.net">http://mesa3d.sourceforge.net</a>


<li><b>C++ Compiler</b> (required for the r.terraflow module)<br>
gcc: <a href="http://www.gnu.org/software/gcc/gcc.html">http://www.gnu.org/software/gcc/gcc.html</a>


<li><b>FFTW 2.x or 3.x</b> (library for computing the Discrete Fourier Transform), required
for i.fft and i.ifft and other modules<br>
<a href="http://www.fftw.org">http://www.fftw.org</a>


<li><b>GEOS 3.x(?)</b> (Geometry Engine library), adds extended options
to the v.select module<br>
<a href="http://trac.osgeo.org/geos">http://trac.osgeo.org/geos</a>


<li><b>LAPACK / BLAS</b> (libraries for numerical computing) for GMATH library (GRASS numerical lib)<br>
<a href="http://www.netlib.org/lapack">http://www.netlib.org/lapack</a> (usually available on Linux distros)
<br>
<I>Note: LAPACK/BLAS support is intended for future module implementations, no need to
use it at time!</I>

<li><b>NetCDF</b> (for 3d raster netcdf export)<br>
<a href="http://www.unidata.ucar.edu/software/netcdf/">http://www.unidata.ucar.edu/software/netcdf/</a>


<li><b>libpng</b> (for r.out.png and the PNG driver), usually already installed.<br>
<a href="http://www.libpng.org/pub/png/libpng.html">http://www.libpng.org/pub/png/libpng.html</a>


<li><b>libtiff</b> (for r.out.tiff), usually already installed.<br>
<a href="http://www.remotesensing.org/libtiff">http://www.remotesensing.org/libtiff</a>


<li><b>readline</b> for extra command prompt functionality
<br><a href="http://tiswww.case.edu/~chet/readline/rltop.html">http://tiswww.case.edu/~chet/readline/rltop.html</a>
<br><a href="ftp://ftp.gnu.org/gnu/readline">ftp://ftp.gnu.org/gnu/readline</a>

<li><b>PostgreSQL libraries</b> (for the PostgreSQL database interface)<br>
<a href="http://www.postgresql.org">http://www.postgresql.org</a>


<li><b>mySQL libraries</b> (for the mySQL database interface)<br>
<a href="http://www.mysql.org">http://www.mysql.org</a>


<li><b>sqlite libraries</b> (for the sqlite database interface)<br>
<a href="http://www.sqlite.org">http://www.sqlite.org</a>


<li><b>unixODBC</b> (for the ODBC database interface)<br>
<a href="http://www.unixodbc.org">http://www.unixodbc.org</a>


<li><b>Motif or Lesstif libraries</b> (for the "xganim" <!-- and ogl3d -->
module)<br>
<a href="http://www.lesstif.org">http://www.lesstif.org</a>


<li><b>R language</b> (for the R statistical language interface)<br>
<a href="http://cran.r-project.org">http://cran.r-project.org</a>


<li><b>FreeType2</b> (for TrueType font support and d.text.freetype)<br>
<a href="http://www.freetype.org">http://www.freetype.org</a>


<li><b>Python &gt;= 2.4</b> (for wxGUI and ctypes interface)<br>
Note: Python 3 is not supported<br>
<a href="http://www.python.org">http://www.python.org</a>

<li><b>Ctypes</b> (for ctypes interface)<br>
Ctypes can be added as a third-party module in Python 2.3 and 2.4
- <a href="http://pypi.python.org/pypi/ctypes/1.0.2">http://pypi.python.org/pypi/ctypes/1.0.2</a><br>
<a href="http://docs.python.org/library/ctypes.html">http://docs.python.org/library/ctypes.html</a>

<li><b>wxPython &gt;= 2.8.1.1</b> (for wxGUI, see file
gui/wxpython/README)<br>
<a href="http://www.wxpython.org">http://www.wxpython.org</a>

<li><b>NumPy &gt;= 1.0.4</b> (for various wxGUI components, see
 file gui/wxpython/README)<br>
<a href="http://numpy.scipy.org">http://numpy.scipy.org</a>

<li><b>Python Imaging Library</b> (for wxGUI Cartographic Composer (preview mode), see
 file gui/wxpython/README)<br>
<a href="http://www.pythonware.com/products/pil">http://www.pythonware.com/products/pil</a>

<li><b>FFMPEG</b> (for direct rendering of animations from NVIZ),
    including libavcodec, libavformat, libswscale <BR>
<a href="http://ffmpeg.org">http://ffmpeg.org</a><BR>


<li><b>Cairo &gt;= 1.5.8</b> (Cairo graphics library<BR>
<a href="http://cairographics.org">http://cairographics.org</a><BR>


<li><b>AVCE00 and E00Compr Libraries</b> (avcimport)<BR>
<a href="http://avce00.maptools.org">http://avce00.maptools.org</a><BR>

</ul>


<h3>Note:</h3>

SUN Solaris users may go here to download precompiled libraries etc.:
<br><a href="http://www.sunfreeware.com">http://www.sunfreeware.com</a>

<p>
SGI IRIX users may go here to download precompiled libraries etc.:
<br><a href="http://freeware.sgi.com">http://freeware.sgi.com</a>

<p>
MacOSX users may go here to download precompiled libraries etc.:
<br><a href="http://fink.sourceforge.net">http://fink.sourceforge.net</a>

<p>

<hr WIDTH="100%">
<br><i>&copy; GRASS Development Team 2001-2011</i>
<p>Please report bugs here:
<br><a href="http://grass.osgeo.org/bugtracking/index.php">http://grass.osgeo.org/bugtracking/index.php</a>

<p>
<i>Last changed: $Date$</i>
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