g2root(1) [minix man page]
G2ROOT(1) General Commands Manual G2ROOT(1) NAME
g2root - convert GEANT geomtry files to ROOT files SYNOPSIS
g2rootd [-f map_name] geant_name macro_name DESCRIPTION
You can convert a GEANT (see http://wwwinfo.cern.ch/asd/geant/index.html fore more on GEANT) geometry to ROOT geometry with the following steps 1 Run the interactive version of GEANT and produce a Zebra RZ file detector.geom, by typing the command: Geant > rz/file 21 detector.geom on 2 Run the g2root program to convert the Zebra RZ file into a ROOT macro detector.C: g2root detector.geom detector.C 3 Run the following ROOT session; root [1] .x detector.C root [2] detector.Draw() root [3] c1.x3d() // (this invokes the 3-d Root viewver) root [4] TFile f("detector.root","NEW") //open a new root file root [5] detector.Write() //Write the geometry structure root [6] f.Write() Note that the TNode structure currently in ROOT was not designed as a replacement for a true geometry package. The idea was mainly to draw simple geometries in event display programs. We are currently investigating several alternatives for a true & efficient geometry package supporting; - a disk data base with storage of multiple geometry versions - an interactive editor and viewer - with 3-d views - but also 2-d cut views - with interfaces to existing or future MC such as GEANT3 or GEANT4 A second program called gh2root (see http://root.cern.ch/root/gh2root.html) generates automatically C++ code corresponding to the GEANT3 Zebra structures JSET, JVERTX, JKINE, JHITS and JDIGI. SEE ALSO
root(1), h2root(1), and The ROOT Users Guide available from the main ROOT website: http://root.cern.ch ORIGINAL AUTHORS
The ROOT team (see web page above): Rene Brun and Fons Rademakers COPYRIGHT
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as pub- lished by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foun- dation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA AUTHOR
This manual page was written by Christian Holm Christensen <cholm@nbi.dk>, for the Debian GNU/Linux system (but may be used by others). ROOT
Version 3 G2ROOT(1)
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G2ROOT(1) General Commands Manual G2ROOT(1) NAME
g2root - convert GEANT geomtry files to ROOT files SYNOPSIS
g2rootd [-f map_name] geant_name macro_name DESCRIPTION
You can convert a GEANT (see http://wwwinfo.cern.ch/asd/geant/index.html fore more on GEANT) geometry to ROOT geometry with the following steps 1 Run the interactive version of GEANT and produce a Zebra RZ file detector.geom, by typing the command: Geant > rz/file 21 detector.geom on 2 Run the g2root program to convert the Zebra RZ file into a ROOT macro detector.C: g2root detector.geom detector.C 3 Run the following ROOT session; root [1] .x detector.C root [2] detector.Draw() root [3] c1.x3d() // (this invokes the 3-d Root viewver) root [4] TFile f("detector.root","NEW") //open a new root file root [5] detector.Write() //Write the geometry structure root [6] f.Write() Note that the TNode structure currently in ROOT was not designed as a replacement for a true geometry package. The idea was mainly to draw simple geometries in event display programs. We are currently investigating several alternatives for a true & efficient geometry package supporting; - a disk data base with storage of multiple geometry versions - an interactive editor and viewer - with 3-d views - but also 2-d cut views - with interfaces to existing or future MC such as GEANT3 or GEANT4 A second program called gh2root (see http://root.cern.ch/root/gh2root.html) generates automatically C++ code corresponding to the GEANT3 Zebra structures JSET, JVERTX, JKINE, JHITS and JDIGI. SEE ALSO
root(1), h2root(1), and The ROOT Users Guide available from the main ROOT website: http://root.cern.ch ORIGINAL AUTHORS
The ROOT team (see web page above): Rene Brun and Fons Rademakers COPYRIGHT
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as pub- lished by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foun- dation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA AUTHOR
This manual page was written by Christian Holm Christensen <cholm@nbi.dk>, for the Debian GNU/Linux system (but may be used by others). ROOT
Version 3 G2ROOT(1)