def add_lat_lon(self, lat, lon, precision=1000000):
''' Add lat, lon to gps (lat, lon in float)
@source: originally from geotag_from_gpx.py
'''
# convert decimal coordinates into degrees, minutes and seconds
lat_deg = decimal_to_dms(lat, ["S", "N"])
lon_deg = decimal_to_dms(lon, ["W", "E"])
# convert degrees, minutes and seconds as fractions for EXIF
exiv_lat = (make_fraction(lat_deg[0],
1), make_fraction(int(lat_deg[1]), 1),
make_fraction(int(lat_deg[2] * precision), precision))
exiv_lon = (make_fraction(lon_deg[0],
1), make_fraction(int(lon_deg[1]), 1),
make_fraction(int(lon_deg[2] * precision), precision))
# add to exif
self.metadata["Exif.GPSInfo.GPSLatitude"] = exiv_lat
self.metadata["Exif.GPSInfo.GPSLatitudeRef"] = lat_deg[3]
self.metadata["Exif.GPSInfo.GPSLongitude"] = exiv_lon
self.metadata["Exif.GPSInfo.GPSLongitudeRef"] = lon_deg[3]
self.metadata["Exif.Image.GPSTag"] = 654
self.metadata["Exif.GPSInfo.GPSMapDatum"] = "WGS-84"
self.metadata["Exif.GPSInfo.GPSVersionID"] = '2 0 0 0'
def add_exif_using_timestamp(filename,
time,
points,
offset_time=0,
offset_angle=0):
'''
Find lat, lon and bearing of filename and write to EXIF.
'''
metadata = pyexiv2.ImageMetadata(filename)
metadata.read()
# subtract offset in s beween gpx time and exif time
t = time - datetime.timedelta(seconds=offset_time)
try:
lat, lon, bearing, elevation, speed = interpolate_lat_lon(points, t)
lat_deg = decimal_to_dms(lat, ["S", "N"])
lon_deg = decimal_to_dms(lon, ["W", "E"])
# convert decimal coordinates into degrees, minutes and seconds as fractions for EXIF
exiv_lat = (make_fraction(lat_deg[0],
1), make_fraction(int(lat_deg[1]), 1),
make_fraction(int(lat_deg[2] * 1000000), 1000000))
exiv_lon = (make_fraction(lon_deg[0],
1), make_fraction(int(lon_deg[1]), 1),
make_fraction(int(lon_deg[2] * 1000000), 1000000))
# convert direction into fraction
bearing = offset_bearing(bearing, offset_angle)
exiv_bearing = make_fraction(int(bearing * 100), 100)
# add to exif
metadata["Exif.GPSInfo.GPSLatitude"] = exiv_lat
metadata["Exif.GPSInfo.GPSLatitudeRef"] = lat_deg[3]
metadata["Exif.GPSInfo.GPSLongitude"] = exiv_lon
metadata["Exif.GPSInfo.GPSLongitudeRef"] = lon_deg[3]
metadata["Exif.Image.GPSTag"] = 654
metadata["Exif.GPSInfo.GPSMapDatum"] = "WGS-84"
metadata["Exif.GPSInfo.GPSVersionID"] = '2 0 0 0'
metadata["Exif.GPSInfo.GPSImgDirection"] = exiv_bearing
metadata["Exif.GPSInfo.GPSImgDirectionRef"] = "T"
if elevation is not None:
exiv_elevation = make_fraction(abs(int(elevation * 10)), 10)
metadata["Exif.GPSInfo.GPSAltitude"] = exiv_elevation
metadata[
"Exif.GPSInfo.GPSAltitudeRef"] = '0' if elevation >= 0 else '1'
metadata.write()
print("Added geodata to {}: {}, {:.6f}, {:.6f}, {:.1f}".format(
os.path.basename(filename), time, lat, lon, bearing))
if (speed is not None and speed < 0.6):
move_into_dir(filename, os.path.dirname(filename) + "\S0")
except ValueError, e:
print("Skipping {0}: {1}".format(filename, e))
def add_lat_lon(self, lat, lon, precision=1e7):
"""Add lat, lon to gps (lat, lon in float)."""
self._ef["GPS"][piexif.GPSIFD.GPSLatitudeRef] = "N" if lat > 0 else "S"
self._ef["GPS"][piexif.GPSIFD.GPSLongitudeRef] = "E" if lon > 0 else "W"
self._ef["GPS"][piexif.GPSIFD.GPSLongitude] = decimal_to_dms(
abs(lon), int(precision))
self._ef["GPS"][piexif.GPSIFD.GPSLatitude] = decimal_to_dms(
abs(lat), int(precision))
def add_exif_using_timestamp(filename, time, points, offset_time=0, offset_bearing=0):
'''
Find lat, lon and bearing of filename and write to EXIF.
'''
metadata = pyexiv2.ImageMetadata(filename)
metadata.read()
print(time)
print(datetime.timedelta(seconds=offset_time))
#print(points)
# subtract offset in s beween gpx time and exif time
t = time - datetime.timedelta(seconds=offset_time)
try:
lat, lon, bearing, elevation = interpolate_lat_lon(points, t)
lat_deg = decimal_to_dms(lat, ["S", "N"])
lon_deg = decimal_to_dms(lon, ["W", "E"])
# convert decimal coordinates into degrees, minutes and seconds as fractions for EXIF
exiv_lat = (make_fraction(lat_deg[0],1), make_fraction(int(lat_deg[1]),1), make_fraction(int(lat_deg[2]*1000000),1000000))
exiv_lon = (make_fraction(lon_deg[0],1), make_fraction(int(lon_deg[1]),1), make_fraction(int(lon_deg[2]*1000000),1000000))
corrected_bearing = (bearing + offset_bearing) % 360
# convert direction into fraction
exiv_bearing = make_fraction(int(corrected_bearing*100),100)
# add to exif
metadata["Exif.GPSInfo.GPSLatitude"] = exiv_lat
metadata["Exif.GPSInfo.GPSLatitudeRef"] = lat_deg[3]
metadata["Exif.GPSInfo.GPSLongitude"] = exiv_lon
metadata["Exif.GPSInfo.GPSLongitudeRef"] = lon_deg[3]
metadata["Exif.Image.GPSTag"] = 654
metadata["Exif.GPSInfo.GPSMapDatum"] = "WGS-84"
metadata["Exif.GPSInfo.GPSVersionID"] = '2 0 0 0'
metadata["Exif.GPSInfo.GPSImgDirection"] = exiv_bearing
metadata["Exif.GPSInfo.GPSImgDirectionRef"] = "T"
if elevation is not None:
exiv_elevation = make_fraction(abs(int(elevation*10)),10)
metadata["Exif.GPSInfo.GPSAltitude"] = exiv_elevation
metadata["Exif.GPSInfo.GPSAltitudeRef"] = '0' if elevation >= 0 else '1'
metadata.write()
print("Added geodata to: {} time {} lat {} lon {} alt {} bearing {}".format(filename, time, lat, lon, elevation, exiv_bearing))
except ValueError, e:
print("Skipping {0}: {1}".format(filename, e))
def add_lat_lon(self, lat, lon, precision=1000000):
''' Add lat, lon to gps (lat, lon in float)
@source: originally from geotag_from_gpx.py
'''
# convert decimal coordinates into degrees, minutes and seconds
lat_deg = decimal_to_dms(lat, ["S", "N"])
lon_deg = decimal_to_dms(lon, ["W", "E"])
# convert degrees, minutes and seconds as fractions for EXIF
exiv_lat = (make_fraction(lat_deg[0],1), make_fraction(int(lat_deg[1]),1), make_fraction(int(lat_deg[2]*precision),precision))
exiv_lon = (make_fraction(lon_deg[0],1), make_fraction(int(lon_deg[1]),1), make_fraction(int(lon_deg[2]*precision),precision))
# add to exif
self.metadata["Exif.GPSInfo.GPSLatitude"] = exiv_lat
self.metadata["Exif.GPSInfo.GPSLatitudeRef"] = lat_deg[3]
self.metadata["Exif.GPSInfo.GPSLongitude"] = exiv_lon
self.metadata["Exif.GPSInfo.GPSLongitudeRef"] = lon_deg[3]
self.metadata["Exif.Image.GPSTag"] = 654
self.metadata["Exif.GPSInfo.GPSMapDatum"] = "WGS-84"
self.metadata["Exif.GPSInfo.GPSVersionID"] = '2 0 0 0'
def add_lat_lon_general(test_obj, filename):
test_latitude = 50.5475894785
test_longitude = 15.595866685
precision = 1e7
empty_exifedit = ExifEdit(filename)
empty_exifedit.add_lat_lon(test_latitude, test_longitude, precision)
empty_exifedit.write(EMPTY_EXIF_FILE_TEST)
exif_data = load_exif()
test_obj.assertEqual(
(decimal_to_dms(abs(test_latitude), precision),
decimal_to_dms(abs(test_longitude), precision), "N", "E"),
(exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLatitude']],
exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLongitude']],
exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLatitudeRef']],
exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLongitudeRef']]))
def test_add_negative_lat_lon(self):
test_latitude = -50.5
test_longitude = -15.5
precision = 1e7
empty_exifedit = ExifEdit(EMPTY_EXIF_FILE_TEST)
empty_exifedit.add_lat_lon(test_latitude, test_longitude, precision)
empty_exifedit.write(EMPTY_EXIF_FILE_TEST)
exif_data = load_exif()
self.assertEqual(
(decimal_to_dms(abs(test_latitude), precision),
decimal_to_dms(abs(test_longitude), precision), "S", "W"),
(exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLatitude']],
exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLongitude']],
exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLatitudeRef']],
exif_data[EXIF_PRIMARY_TAGS_DICT['GPSInfo']][
EXIF_GPS_TAGS_DICT['GPSLongitudeRef']]))
