mirror of
https://github.com/Brandon-Rozek/website.git
synced 2024-09-16 13:02:29 -04:00
46 lines
1.1 KiB
Bash
Executable file
46 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
set -o errexit
|
|
set -o nounset
|
|
set -o pipefail
|
|
|
|
show_usage() {
|
|
echo "Usage: getLLA.sh [imagefile]"
|
|
exit 1
|
|
}
|
|
|
|
# Check argument count
|
|
if [ "$#" -ne 1 ]; then
|
|
show_usage
|
|
fi
|
|
|
|
# Check that relevant command exist
|
|
if ! command -v identify > /dev/null; then
|
|
echo "Command identify from imagemagick not found. Exiting..."
|
|
fi
|
|
|
|
IMAGE_FILE="$1"
|
|
LAT=$(identify -format "%[EXIF:GPSLatitude]\n" "$IMAGE_FILE")
|
|
LAT_DIR=$(identify -format "%[EXIF:GPSLatitudeRef]\n" "$IMAGE_FILE")
|
|
LON=$(identify -format "%[EXIF:GPSLongitude]\n" "$IMAGE_FILE")
|
|
LON_DIR=$(identify -format "%[EXIF:GPSLongitudeRef]\n" "$IMAGE_FILE")
|
|
ALT=$(identify -format "%[EXIF:GPSAltitude]\n" "$IMAGE_FILE")
|
|
|
|
DegreesToDecimal() {
|
|
L0=$(echo "$1" | cut -d "," -f 1)
|
|
L1=$(echo "$1" | cut -d "," -f 2)
|
|
L2=$(echo "$1" | cut -d "," -f 3)
|
|
echo "scale=6;$L0 + $L1/60 + $L2/3600" | bc
|
|
}
|
|
|
|
LAT_DEC=$(DegreesToDecimal "$LAT")
|
|
LON_DEC=$(DegreesToDecimal "$LON")
|
|
ALT_DEC=$(echo "scale=6;$ALT" | bc)
|
|
|
|
LAT_PREFIX=$([ $LAT_DIR == "S" ] && echo "-" || echo "")
|
|
LON_PREFIX=$([ $LON_DIR == "W" ] && echo "-" || echo "")
|
|
|
|
echo "$LAT_PREFIX$LAT_DEC"
|
|
echo "$LON_PREFIX$LON_DEC"
|
|
echo "$ALT_DEC"
|
|
|