def parse_exif_values(self, _path_file):
# Disable exifread log
logging.getLogger('exifread').setLevel(logging.CRITICAL)
with open(_path_file, 'rb') as f:
tags = exifread.process_file(f, details=False)
try:
if 'Image Make' in tags:
self.camera_make = tags['Image Make'].values.encode('utf8')
if 'Image Model' in tags:
self.camera_model = tags['Image Model'].values.encode('utf8')
if 'GPS GPSAltitude' in tags:
self.altitude = self.float_values(tags['GPS GPSAltitude'])[0]
if 'GPS GPSAltitudeRef' in tags and self.int_values(tags['GPS GPSAltitudeRef'])[0] > 0:
self.altitude *= -1
if 'GPS GPSLatitude' in tags and 'GPS GPSLatitudeRef' in tags:
self.latitude = self.dms_to_decimal(tags['GPS GPSLatitude'], tags['GPS GPSLatitudeRef'])
if 'GPS GPSLongitude' in tags and 'GPS GPSLongitudeRef' in tags:
self.longitude = self.dms_to_decimal(tags['GPS GPSLongitude'], tags['GPS GPSLongitudeRef'])
except IndexError as e:
log.ODM_WARNING("Cannot read EXIF tags for %s: %s" % (_path_file, e.message))
if self.camera_make and self.camera_model:
self.make_model = sensor_string(self.camera_make, self.camera_model)
# needed to do that since sometimes metadata contains wrong data
try:
self.width, self.height = get_image_size.get_image_size(_path_file)
except get_image_size.UnknownImageFormat:
# Fallback to slower cv2
img = cv2.imread(_path_file)
self.width = img.shape[1]
self.height = img.shape[0]
def parse_exif_values(self, _path_file):
# Disable exifread log
logging.getLogger('exifread').setLevel(logging.CRITICAL)
with open(_path_file, 'rb') as f:
tags = exifread.process_file(f, details=False)
try:
if 'Image Make' in tags:
self.camera_make = tags['Image Make'].values.encode('utf8')
if 'Image Model' in tags:
self.camera_model = tags['Image Model'].values.encode(
'utf8')
if 'GPS GPSAltitude' in tags:
self.altitude = self.float_values(
tags['GPS GPSAltitude'])[0]
if 'GPS GPSAltitudeRef' in tags and self.int_values(
tags['GPS GPSAltitudeRef'])[0] > 0:
self.altitude *= -1
if 'GPS GPSLatitude' in tags and 'GPS GPSLatitudeRef' in tags:
self.latitude = self.dms_to_decimal(
tags['GPS GPSLatitude'], tags['GPS GPSLatitudeRef'])
if 'GPS GPSLongitude' in tags and 'GPS GPSLongitudeRef' in tags:
self.longitude = self.dms_to_decimal(
tags['GPS GPSLongitude'], tags['GPS GPSLongitudeRef'])
except IndexError as e:
log.ODM_WARNING("Cannot read EXIF tags for %s: %s" %
(_path_file, e.message))
if self.camera_make and self.camera_model:
self.make_model = sensor_string(self.camera_make,
self.camera_model)
self.width, self.height = get_image_size.get_image_size(_path_file)
def parse_pyexiv2_values(self, _path_file, _force_focal, _force_ccd):
# read image metadata
metadata = pyexiv2.ImageMetadata(_path_file)
metadata.read()
# loop over image tags
for key in metadata:
# try/catch tag value due to weird bug in pyexiv2
# ValueError: invalid literal for int() with base 10: ''
GPS = 'Exif.GPSInfo.GPS'
try:
# parse tag names
if key == 'Exif.Image.Make':
self.camera_make = metadata[key].value
elif key == 'Exif.Image.Model':
self.camera_model = metadata[key].value
elif key == 'Exif.Photo.FocalLength':
self.focal_length = float(metadata[key].value)
elif key == GPS + 'Latitude':
self.latitude = self.dms_to_decimal(*metadata[key].value +
[metadata[GPS + 'LatitudeRef'].value])
elif key == GPS + 'Longitude':
self.longitude = self.dms_to_decimal(*metadata[key].value +
[metadata[GPS + 'LongitudeRef'].value])
elif key == GPS + 'Altitude':
self.altitude = float(metadata[key].value)
if metadata[GPS + 'AltitudeRef'] and int(metadata[GPS + 'AltitudeRef'].value) > 0:
self.altitude *= -1.
except (pyexiv2.ExifValueError, ValueError) as e:
pass
except KeyError as e:
log.ODM_DEBUG('Tag not set')
except NotImplementedError as e:
pass
if self.camera_make and self.camera_model:
self.make_model = sensor_string(self.camera_make, self.camera_model)
# needed to do that since sometimes metadata contains wrong data
img = cv2.imread(_path_file)
self.width = img.shape[1]
self.height = img.shape[0]
# force focal and ccd_width with user parameter
if _force_focal:
self.focal_length = _force_focal
if _force_ccd:
self.ccd_width = _force_ccd
# find ccd_width from file if needed
if self.ccd_width is None and self.camera_model is not None:
# load ccd_widths from file
ccd_widths = system.get_ccd_widths()
# search ccd by camera model
key = [x for x in ccd_widths.keys() if self.make_model in x]
# convert to float if found
if key:
self.ccd_width = float(ccd_widths[key[0]])
else:
log.ODM_WARNING('Could not find ccd_width in file. Use --force-ccd or edit the sensor_data.json '
'file to manually input ccd width')
def parse_exif_values(self, _path_file):
# Disable exifread log
logging.getLogger('exifread').setLevel(logging.CRITICAL)
with open(_path_file, 'rb') as f:
tags = exifread.process_file(f, details=False)
try:
if 'Image Make' in tags:
self.camera_make = tags['Image Make'].values.encode('utf8')
if 'Image Model' in tags:
self.camera_model = tags['Image Model'].values.encode('utf8')
if 'GPS GPSAltitude' in tags:
self.altitude = self.float_values(tags['GPS GPSAltitude'])[0]
if 'GPS GPSAltitudeRef' in tags and self.int_values(tags['GPS GPSAltitudeRef'])[0] > 0:
self.altitude *= -1
if 'GPS GPSLatitude' in tags and 'GPS GPSLatitudeRef' in tags:
self.latitude = self.dms_to_decimal(tags['GPS GPSLatitude'], tags['GPS GPSLatitudeRef'])
if 'GPS GPSLongitude' in tags and 'GPS GPSLongitudeRef' in tags:
self.longitude = self.dms_to_decimal(tags['GPS GPSLongitude'], tags['GPS GPSLongitudeRef'])
except IndexError as e:
log.ODM_WARNING("Cannot read EXIF tags for %s: %s" % (_path_file, e.message))
if self.camera_make and self.camera_model:
self.make_model = sensor_string(self.camera_make, self.camera_model)
# needed to do that since sometimes metadata contains wrong data
try:
self.width, self.height = get_image_size.get_image_size(_path_file)
except get_image_size.UnknownImageFormat:
# Fallback to slower cv2
img = cv2.imread(_path_file)
self.width = img.shape[1]
self.height = img.shape[0]
def parse_exif_values(self, _path_file, _force_focal, _force_ccd):
# Disable exifread log
logging.getLogger('exifread').setLevel(logging.CRITICAL)
with open(_path_file, 'rb') as f:
tags = exifread.process_file(f, details=False)
try:
if 'Image Make' in tags:
self.camera_make = tags['Image Make'].values.encode('utf8')
if 'Image Model' in tags:
self.camera_model = tags['Image Model'].values.encode(
'utf8')
if 'EXIF FocalLength' in tags:
self.focal_length = self.float_values(
tags['EXIF FocalLength'])[0]
if 'GPS GPSAltitude' in tags:
self.altitude = self.float_values(
tags['GPS GPSAltitude'])[0]
if 'GPS GPSAltitudeRef' in tags and self.int_values(
tags['GPS GPSAltitudeRef'])[0] > 0:
self.altitude *= -1
if 'GPS GPSLatitude' in tags and 'GPS GPSLatitudeRef' in tags:
self.latitude = self.dms_to_decimal(
tags['GPS GPSLatitude'], tags['GPS GPSLatitudeRef'])
if 'GPS GPSLongitude' in tags and 'GPS GPSLongitudeRef' in tags:
self.longitude = self.dms_to_decimal(
tags['GPS GPSLongitude'], tags['GPS GPSLongitudeRef'])
except IndexError as e:
log.ODM_WARNING("Cannot read EXIF tags for %s: %s" %
(_path_file, e.message))
if self.camera_make and self.camera_model:
self.make_model = sensor_string(self.camera_make,
self.camera_model)
# needed to do that since sometimes metadata contains wrong data
img = cv2.imread(_path_file)
self.width = img.shape[1]
self.height = img.shape[0]
# force focal and ccd_width with user parameter
if _force_focal:
self.focal_length = _force_focal
if _force_ccd:
self.ccd_width = _force_ccd
# find ccd_width from file if needed
if self.ccd_width is None and self.camera_model is not None:
# load ccd_widths from file
ccd_widths = system.get_ccd_widths()
# search ccd by camera model
key = [x for x in ccd_widths.keys() if self.make_model in x]
# convert to float if found
if key:
self.ccd_width = float(ccd_widths[key[0]])
else:
log.ODM_WARNING(
'Could not find ccd_width in file. Use --force-ccd or edit the sensor_data.json '
'file to manually input ccd width')
def parse_pyexiv2_values(self, _path_file, _force_focal, _force_ccd):
# read image metadata
metadata = pyexiv2.ImageMetadata(_path_file)
metadata.read()
# loop over image tags
for key in metadata:
# try/catch tag value due to weird bug in pyexiv2
# ValueError: invalid literal for int() with base 10: ''
try:
val = metadata[key].value
# parse tag names
if key == 'Exif.Image.Make':
self.camera_make = val
elif key == 'Exif.Image.Model':
self.camera_model = val
elif key == 'Exif.Photo.FocalLength':
self.focal_length = float(val)
except (pyexiv2.ExifValueError, ValueError) as e:
pass
except NotImplementedError as e:
pass
if self.camera_make and self.camera_model:
self.make_model = sensor_string(self.camera_make, self.camera_model)
# needed to do that since sometimes metadata contains wrong data
img = cv2.imread(_path_file)
self.width = img.shape[1]
self.height = img.shape[0]
# force focal and ccd_width with user parameter
if _force_focal:
self.focal_length = _force_focal
if _force_ccd:
self.ccd_width = _force_ccd
# find ccd_width from file if needed
if self.ccd_width is None and self.camera_model is not None:
# load ccd_widths from file
ccd_widths = system.get_ccd_widths()
# search ccd by camera model
key = [x for x in ccd_widths.keys() if self.make_model in x]
# convert to float if found
if key:
self.ccd_width = float(ccd_widths[key[0]])
else:
log.ODM_WARNING('Could not find ccd_width in file. Use --force-ccd or edit the sensor_data.json '
'file to manually input ccd width')
