1 \defgroup Geometry Geometry
2 \brief The Geometry related packages
3 \defgroup Geometry_classes Geometry classes
5 \brief The Geometry related classes
7 Several documents describing these classes are listed below:
9 - The main geometry class is documented in class TGeoManager.
10 - [The Chapter about the TGeo classes in the Users Guide](ftp://root.cern.ch/root/doc/18Geometry.pdf)
11 - [Presentation at ROOT 2002](ftp://root.cern.ch/root/R2002/GeoMod.pdf)
12 - [Presentation/article at CHEP'03](http://www.slac.stanford.edu/econf/C0303241/proc/papers/THMT001.PDF)
13 - [Presentation at ROOT 2004](http://www.slac.stanford.edu/BFROOT/www/Computing/Distributed/ROOT2004/files/gheata.ppt)
14 - [Presentation at ROOT 2005](http://indico.cern.ch/getFile.py/access?contribId=s1t14&sessionId=1&resId=1&materialId=0&confId=a055638)
15 - [Presentation at ROOT 2007](http://indico.cern.ch/materialDisplay.py?contribId=35&materialId=slides&confId=13356)
17 See also [the use of the geometry classes in AliROOT package of ALICE](http://aliweb.cern.ch/Offline/Activities/Geometry/index.html).