Read and write exif geotags from JPEG images
- coord_dec_to_dms(coord)
- Convert decimal lat/lon to degrees, minutes, seconds (dms)
- lat_dms_to_dec(lat, lat_ref)
- Convert dms lat to decimal form
- lat_ref specifies N or S
- lon_dms_to_dec(lon, lon_ref)
- Convert dms lon to decimal form
- lon_ref specifies E or W
- write_geo_tag(img_path, lat, lon, alt_abs, hdg=None)
- write exif geo tags (lat, lon, absolute alt, optional heading) to image
- read_geo_tag(img_path)
- read exif geo tags from an image in the form (lat, lon, abs alt, hdg)