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# xtide-README.fedora
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# Written by Patrice Dumas and Mamoru Tasaka
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# ChangeLog:
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# 2007 Nov 23: Modified as the upstream developer
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splitted free and non-free data
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# 2007 May 31: Modified as we now ship US part
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# harmonics data
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# 2006 Nov 11: Initial document created
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# If you have some questions, please report it
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# with redhat bugzilla:
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# https://bugzilla.redhat.com/bugzilla/index.cgi
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================================================
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Availability and installation of harmonics files
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To use xtide and related utilities (like xttpd,
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tideEditor), you need an harmonics file. Currently
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we ship the harmonics data of US part only, which are
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under public domain. The harmonics data outside US
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cannot be distributed as part of Fedora because their
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license restricts commercial redistribution and selling,
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which is too restrictive for Fedora. If you want to
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use harmonics data outside US, you have to install
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such data after the package installation by yourself.
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Such files are available at:
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http://www.flaterco.com/xtide/files.html
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As the time of writing, the latest harmonics file is:
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ftp://ftp.flaterco.com/xtide/harmonics-dwf-20071122-nonfree.tcd.bz2
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The utilities can only use uncompressed harmonics files.
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There are 2 possibilities to have the utilities become aware of
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the harmonics file location:
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1) by editing /etc/xtide.conf, and setting the first line of the file
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to the path of the directory containing the harmonics files, or
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to the harmonics file location (the utilities will also accept a colon `:'
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delimited list of paths).
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The second line of /etc/xtide.conf sets the directory which
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contains world vector shoreline data. The second line can accept only
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one directory and cannot be colon-delimited.
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The default content of /etc/xtide.conf used by fedora is:
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/usr/share/xtide-harmonics/
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/usr/share/wvs-data/
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which means that all the files in /usr/share/xtide-harmonics
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are considered to be harmonics files and all under /usr/share/wvs-data
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are considered to be WVS data.
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2) by setting the environment variable HFILE_PATH. You can also
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set WVS_PATH to specify the directory under which WVS data are
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stored.
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You can run the provided script xtide-get_harmonics-data.sh
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under /usr/sbin to install harmonics files to
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/usr/share/xtide-harmonics. This script requires
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administrator previledges.
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