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@moshekaplan
Forked from erans/get_lat_lon_exif_pil.py
Last active July 25, 2019 10:13
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import sys
from PIL import Image
from PIL.ExifTags import TAGS, GPSTAGS
def get_exif_data(image):
"""Returns a dictionary from the exif data of an PIL Image item. Also converts the GPS Tags"""
exif_data = {}
info = image._getexif()
if info:
for tag, value in info.items():
decoded = TAGS.get(tag, tag)
if decoded == "GPSInfo":
gps_data = {}
for gps_tag in value:
sub_decoded = GPSTAGS.get(gps_tag, gps_tag)
gps_data[sub_decoded] = value[gps_tag]
exif_data[decoded] = gps_data
else:
exif_data[decoded] = value
return exif_data
def _convert_to_degress(value):
"""Helper function to convert the GPS coordinates stored in the EXIF to degress in float format"""
deg_num, deg_denom = value[0]
d = float(deg_num) / float(deg_denom)
min_num, min_denom = value[1]
m = float(min_num) / float(min_denom)
sec_num, sec_denom = value[2]
s = float(sec_num) / float(sec_denom)
return d + (m / 60.0) + (s / 3600.0)
def get_lat_lon(exif_data):
"""Returns the latitude and longitude, if available, from the provided exif_data (obtained through get_exif_data above)"""
lat = None
lon = None
if "GPSInfo" in exif_data:
gps_info = exif_data["GPSInfo"]
gps_latitude = gps_info.get("GPSLatitude")
gps_latitude_ref = gps_info.get('GPSLatitudeRef')
gps_longitude = gps_info.get('GPSLongitude')
gps_longitude_ref = gps_info.get('GPSLongitudeRef')
if gps_latitude and gps_latitude_ref and gps_longitude and gps_longitude_ref:
lat = _convert_to_degress(gps_latitude)
if gps_latitude_ref != "N":
lat *= -1
lon = _convert_to_degress(gps_longitude)
if gps_longitude_ref != "E":
lon *= -1
return lat, lon
################
# Example ######
################
if __name__ == "__main__":
# load an image through PIL's Image object
if len(sys.argv) < 2:
print "Error! No image file specified!"
print "Usage: %s <filename>" % sys.argv[0]
sys.exit(1)
image = Image.open(sys.argv[1])
exif_data = get_exif_data(image)
print get_lat_lon(exif_data)
@NandiniCS
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from using (lat,long) values,could you have any idea about how to find location of each pixel values of that image or grids of image??

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