画像にジオタグを追加するスクリプトです。
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# -*- coding: utf-8 -*- | |
import pyexiv2 | |
from PIL import Image | |
def to_deg(value, loc): | |
if value < 0: | |
loc_value = loc[0] | |
elif value > 0: | |
loc_value = loc[1] | |
else: | |
loc_value = "" | |
abs_value = abs(value) | |
deg = int(abs_value) | |
t1 = (abs_value-deg)*60 | |
min = int(t1) | |
sec = round((t1 - min)* 60, 5) | |
return (deg, min, sec, loc_value) | |
def set_gps_location(file_name, lat, lng): | |
lat_deg = to_deg(lat, ["S", "N"]) | |
lng_deg = to_deg(lng, ["W", "E"]) | |
# 緯度、経度を10進法→60進法(度分秒)に変換 | |
exiv_lat = (pyexiv2.Rational(lat_deg[0]*60+lat_deg[1],60),pyexiv2.Rational(lat_deg[2]*100,6000), pyexiv2.Rational(0, 1)) | |
exiv_lng = (pyexiv2.Rational(lng_deg[0]*60+lng_deg[1],60),pyexiv2.Rational(lng_deg[2]*100,6000), pyexiv2.Rational(0, 1)) | |
metadata = pyexiv2.ImageMetadata(file_name) | |
metadata.read() | |
#メタデータを付与 | |
metadata["Exif.GPSInfo.GPSLatitude"] = exiv_lat | |
metadata["Exif.GPSInfo.GPSLatitudeRef"] = lat_deg[3] | |
metadata["Exif.GPSInfo.GPSLongitude"] = exiv_lng | |
metadata["Exif.GPSInfo.GPSLongitudeRef"] = lng_deg[3] | |
metadata["Exif.Image.GPSTag"] = 654 | |
metadata["Exif.GPSInfo.GPSMapDatum"] = "WGS-84" | |
metadata["Exif.GPSInfo.GPSVersionID"] = '2 0 0 0' | |
#メタデータを上書き | |
metadata.write() | |
#ファイル名、緯度、経度を指定 | |
set_gps_location(r"D:\python\geotag\a020.jpg", 34.6874422,135.1758424) |
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