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g2rootold.1
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.\"
.\" $Id: g2rootold.1,v 1.1 2005/03/21 21:42:21 rdm Exp $
.\"
.TH G2ROOTOLD 1 "Version 3" "ROOT"
.\" NAME should be all caps, SECTION should be 1-8, maybe w/ subsection
.\" other parms are allowed: see man(7), man(1)
.SH NAME
g2rootold \- convert GEANT geomtry files to ROOT files
.SH SYNOPSIS
.B g2rootoldd
.I [-f map_name] geant_name macro_name
.SH "DESCRIPTION"
You can convert a
.B GEANT
(see
.I http://wwwinfo.cern.ch/asd/geant/index.html
fore more on
.BR GEANT )
geometry to
.B ROOT
geometry with the following steps
.TP
1
Run the interactive version of
.B GEANT
and produce a Zebra RZ file
.IR detector.geom ,
by typing the command:
.sp 1
.RS
Geant > rz/file 21 \fIdetector.geom\fR on
.RE
.sp 1
.TP
2
Run the
.B g2rootold
program to convert the Zebra RZ file into a
.B ROOT
macro
.I detector.C:
.sp 1
.RS
g2rootold \fIdetector.geom\fR \fIdetector.C\fR
.RE
.sp 1
.TP
3
Run the following
.B ROOT
session;
.sp 1
.RS
.nf
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()
.fi
.RE
.sp 1
Note that the
.I TNode
structure currently in
.B 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;
.TP
-
a disk data base with storage of multiple geometry versions
.TP
-
an interactive editor and viewer
.TP
-
with 3-d views
.TP
-
but also 2-d cut views
.TP
-
with interfaces to existing or future MC such as
.B GEANT3
or
.B GEANT4
.PP
A second program called
.B gh2root
(see
.IR http://root.cern.ch/root/gh2root.html )
generates automatically C++ code corresponding to the
.B GEANT3 Zebra
structures
.IR JSET ,
.IR JVERTX ,
.IR JKINE ,
.I JHITS
and
.I JDIGI.
.SH "SEE ALSO"
.RS
.IR root (1),
.IR g2root (1),
.IR h2root(1),
.RE
and
.RS
.I The ROOT Users Guide
.RE
available from the main
.B ROOT
website:
.RS
.I http://root.cern.ch
.RE
.SH "ORIGINAL AUTHORS"
The ROOT team (see web page above):
.RS
\fBRene Brun\fR and \fBFons Rademakers\fR
.RE
.SH "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
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
.P
This library 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
Lesser General Public License for more details.
.P
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
.SH 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).
.\"
.\" $Log: g2rootold.1,v $
.\" Revision 1.1 2005/03/21 21:42:21 rdm
.\" From Christian Holm Christensen:
.\" * New Debian and RedHat rpm packaging scripts.
.\" * Added a description to `build/package/debian/README.Debian' on
.\" how to add a new package. It's not that complicated so it
.\" should be a simple thing to add a new package, even for some
.\" with little or no experience with RPMs or DEBs.
.\" * When searching for the Oracle client libraries, I added the
.\" directories `/usr/lib/oracle/*/client/lib' and
.\" `/usr/include/oracle/*/client' - as these are the paths that the
.\" RPMs install into.
.\" * I added the packages `root-plugin-krb5' and
.\" `root-plugin-oracle'.
.\" * The library `libXMLIO' is in `libroot'.
.\" * The package `root-plugin-xml' contains the XML parser.
.\" * I fixed an cosmetic error in `build/misc/root.m4'. The
.\" definition of `ROOT_PATH' should be quoted, otherwise aclocal
.\" will complain.
.\" * In the top-level `Makefile' I pass an additional argument to
.\" `makecintdlls' - namely `$(ROOTCINTTMP)'. In `makecintdlls' I
.\" use that argument to make the various dictionaries for
.\" `lib...Dict.so'. Originally, the script used plain `rootcint'.
.\" However, as `rootcint' may not be in the path yet, or the one in
.\" the path may be old, this failed. Hence, I use what we know is
.\" there - namely the newly build `rootcint_tmp'. BTW, what are
.\" these shared libraries, and where do they belong? I guess they
.\" are specific to ROOT, and not used by plain `CINT'. For now, I
.\" put them in `libroot'.
.\" * Made the two `virtual' packages `root-db-client' - provided the
.\" DB plugins, and `root-fitter' provided by `root-plugin-minuit'
.\" and `root-plugin-fumili'. Note, the virtual package
.\" `root-file-server' provided by `root-rootd' and `root-xrootd'
.\" already existed in the previous patch.
.\" * Note, I added the directory `build/package/debian/po' which is
.\" for translations of DebConf templates. DebConf is Debians very
.\" advanced package configuration interface. It presents the user
.\" with a set of questions in some sort of `GUI' based on how much
.\" the user would like to change. These `dialogs' can be
.\" translated quite easily. As an example, I translated the
.\" questions used by the `ttf-root-installer' package into Danish.
.\" I'm sure someone can translate them into German, French,
.\" Italien, Spanish, and so on.
.\"
.\" Revision 1.1 2001/08/15 13:30:48 rdm
.\" move man files to new subdir man1. This makes it possible to add
.\" $ROOTSYS/man to MANPATH and have "man root" work.
.\"
.\" Revision 1.1 2000/12/08 17:41:00 rdm
.\" man pages of all ROOT executables provided by Christian Holm.
.\"
.\"