def save_local_mapping(import_path):
local_mapping_filepath = os.path.join(os.path.dirname(
import_path), import_path + "_mapillary_image_uuid_to_local_path_mapping.csv")
total_files = uploader.get_total_file_list(import_path)
local_mapping = []
for file in tqdm(total_files, desc="Reading image uuids"):
image_file_uuid = None
relative_path = file.lstrip(os.path.abspath(import_path))
log_rootpath = uploader.log_rootpath(file)
image_description_json_path = os.path.join(
log_rootpath, "mapillary_image_description.json")
if os.path.isfile(image_description_json_path):
image_description_json = processing.load_json(
image_description_json_path)
if "MAPPhotoUUID" in image_description_json:
image_file_uuid = image_description_json["MAPPhotoUUID"]
else:
print(
"Error, photo uuid not in mapillary_image_description.json log file.")
else:
image_exif = exif_read.ExifRead(file)
image_description = json.loads(
image_exif.extract_image_description())
if "MAPPhotoUUID" in image_description:
image_file_uuid = str(image_description["MAPPhotoUUID"])
else:
print("Warning, image {} EXIF does not contain mapillary image description and mapillary_image_description.json log file does not exist. Try to process the image using mapillary_tools.".format(file))
if image_file_uuid:
local_mapping.append((relative_path, image_file_uuid))
return local_mapping
def get_points_from_exif(file_list, verbose=False):
data = []
for file in file_list:
point = ()
try:
exif = exif_read.ExifRead(file)
except:
if verbose:
print("Warning, EXIF could not be read for image {}.".format(
file))
continue
try:
lon, lat = exif.extract_lon_lat()
except:
if verbose:
print(
"Warning {} image latitude or longitude tag not in EXIF.".
format(file))
continue
try:
timestamp = exif.extract_capture_time()
except:
if verbose:
print("Warning {} image capture time tag not in EXIF.".format(
file))
continue
if lon != None and lat != None and timestamp != None:
point = point + (timestamp, lat, lon)
else:
continue
try:
altitude = exif.extract_altitude()
point = point + (altitude, )
except:
pass
try:
heading = exif.extract_direction()
point = point + (heading, )
except:
pass
if point:
data.append(point)
return data