/usr/sbin/geographiclib-get-gravity is in geographiclib-tools 1.46-2+b1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | #! /bin/sh
#
# Download gravity models for use by GeographicLib::GravityModel.
#
# Copyright (c) Charles Karney (2011) <charles@karney.com> and licensed
# under the MIT/X11 License. For more information, see
# http://geographiclib.sourceforge.net/
DEFAULTDIR="/usr/share/GeographicLib"
SUBDIR=gravity
NAME=gravity
MODEL=gravitymodel
CLASS=GravityModel
TOOL=Gravity
EXT=egm.cof
usage() {
cat <<EOF
usage: $0 [-p parentdir] [-d] [-h] $MODEL...
This program downloads and installs the datasets used by the
GeographicLib::$CLASS class and the $TOOL tool to compute
gravity fields. $MODEL is one of more of the names from this
table:
size (kB)
name degree tar.bz2 disk
egm84 18 27 26
egm96 360 2100 2100
egm2008 2190 76000 75000
wgs84 20 1 1
grs80 20 1 1
The size columns give the download and installed sizes of the datasets.
In addition you can specify
all = all of the supported gravity models
minimal = egm96 wgs84
-p parentdir (default $DEFAULTDIR) specifies where the
datasets should be stored. The "Default $NAME path" listed when running
$TOOL -h
should be parentdir/$SUBDIR. This script must be run by a user with
write access to this directory.
Normally only datasets which are not already in parentdir are
downloaded. You can force the download and reinstallation with -f.
If -d is provided, the temporary directory which holds the downloads,
\$TMPDIR/$NAME-XXXXXXXX or ${TMPDIR:-/tmp}/$NAME-XXXXXXXX,
will be saved. -h prints this help.
For more information on the $NAME datasets, visit
http://geographiclib.sourceforge.net/html/$NAME.html
EOF
}
PARENTDIR="$DEFAULTDIR"
DEBUG=
FORCE=
while getopts hp:fd c; do
case $c in
h )
usage;
exit 0
;;
p ) PARENTDIR="$OPTARG"
;;
f ) FORCE=y
;;
d ) DEBUG=y
;;
* )
usage 1>&2;
exit 1
;;
esac
done
shift `expr $OPTIND - 1`
if test $# -eq 0; then
usage 1>&2;
exit 1
fi
test -d "$PARENTDIR"/$SUBDIR || mkdir -p "$PARENTDIR"/$SUBDIR 2> /dev/null
if test ! -d "$PARENTDIR"/$SUBDIR; then
echo Cannot create directory $PARENTDIR/$SUBDIR 1>&2
exit 1
fi
TEMP=
if test -z "$DEBUG"; then
trap 'trap "" 0; test "$TEMP" && rm -rf "$TEMP"; exit 1' 1 2 3 9 15
trap 'test "$TEMP" && rm -rf "$TEMP"' 0
fi
TEMP=`mktemp -d -q -t $NAME-XXXXXXXX`
if test -z "$TEMP" -o ! -d "$TEMP"; then
echo Cannot create temporary directory 1>&2
exit 1
fi
WRITETEST="$PARENTDIR"/$SUBDIR/write-test-`basename $TEMP`
if touch "$WRITETEST" 2> /dev/null; then
rm -f "$WRITETEST"
else
echo Cannot write in directory $PARENTDIR/$SUBDIR 1>&2
exit 1
fi
set -e
cat > $TEMP/all <<EOF
egm84
egm96
egm2008
grs80
wgs84
EOF
while test $# -gt 0; do
if grep "^$1\$" $TEMP/all > /dev/null; then
echo $1
else
case "$1" in
all )
cat $TEMP/all
;;
minimal )
echo egm96; echo wgs84
;;
* )
echo Unknown $MODEL $1 1>&2
exit 1
;;
esac
fi
shift
done > $TEMP/list
sort -u $TEMP/list > $TEMP/todo
while read file; do
if test -z "$FORCE" -a -s $PARENTDIR/$SUBDIR/$file.$EXT; then
echo $PARENTDIR/$SUBDIR/$file.$EXT already installed, skipping $file...
echo $file >> $TEMP/skip
continue
fi
echo download $file.tar.bz2 ...
echo $file >> $TEMP/download
URL="http://downloads.sourceforge.net/project/geographiclib/$SUBDIR-distrib/$file.tar.bz2?use_mirror=autoselect"
ARCHIVE=$TEMP/$file.tar.bz2
wget -O$ARCHIVE $URL
echo unpack $file.tar.bz2 ...
tar vxojf $ARCHIVE -C $PARENTDIR
echo $MODEL $file installed.
done < $TEMP/todo
if test "$DEBUG"; then
echo Saving temporary directory $TEMP
fi
echo
if test -s $TEMP/download; then
n=`wc -l < $TEMP/download`
s=; test $n -gt 1 && s=s
cat <<EOF
Installed $NAME dataset$s `tr '\n' ' ' < $TEMP/download`in $PARENTDIR/$SUBDIR.
EOF
fi
if test -s $TEMP/skip; then
n=`wc -l < $TEMP/skip`
s=; test $n -gt 1 && s=s
cat <<EOF
Skipped $NAME dataset$s `tr '\n' ' ' < $TEMP/skip | sed 's/ $//'`.
EOF
fi
echo
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