Add GPS tags & Functions

.gitignore

@@ -1,5 +1,54 @@
-*.pyc
-build
-dist
-MANIFEST
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
 
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.cache
+nosetests.xml
+coverage.xml
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/

pexif.py

@@ -662,7 +662,31 @@ class IfdGPS(IfdData):
         0x3: ("East or West Longitude", "GPSLongitudeRef", ASCII, 2),
         0x4: ("Longitude", "GPSLongitude", RATIONAL, 3),
         0x5: ("Altitude reference", "GPSAltitudeRef", BYTE, 1),
-        0x6: ("Altitude", "GPSAltitude", RATIONAL, 1)
+        0x6: ("Altitude", "GPSAltitude", RATIONAL, 1),
+        0x7: ("UTC (Coordinated Universal Time)", "GPSTimeStamp", RATIONAL, 3),
+        0x8: ("Satellites", "GPSSatellites", ASCII),
+        0x9: ("Status", "GPSStatus", ASCII, 2),
+        0xA: ("Measure Mode", "GPSMeasureMode", ASCII, 2),
+        0xB: ("DOP (Data Degree of Precision)", "GPSDOP", RATIONAL, 1),
+        0xC: ("Speed: [K]ilometers, [M]iles or [K]nots", "GPSSpeedRef", ASCII, 2),
+        0xD: ("Speed", "GPSSpeed", RATIONAL, 1),
+        0xE: ("Track Direction: [T]rue or [M]agnetic", "GPSTrackRef", ASCII, 2),
+        0xF: ("Track Direction: (0.00 to 359.99)", "GPSTrack", RATIONAL, 1),
+        0x10: ("Image Direction: [T]rue or [M]agnetic", "GPSImgDirectionRef", ASCII, 2),
+        0x11: ("Image Direction: (0.00 to 359.99)", "GPSImgDirection", RATIONAL, 1),
+        0x12: ("Datum: WGS-84", "GPSMapDatum", ASCII),
+        ## 13 MISSING
+        ## 14 MISSING
+        ## 15 MISSING
+        ## 16 MISSING
+        0x17: ("Destination Bearing: [T]rue or [M]agnetic", "GPSDestBearingRef", ASCII, 2),
+        0x18: ("Destination Bearing: (0.00 to 359.99)", "GPSDestBearing", RATIONAL, 1),
+        ## 19 MISSING
+        ## 1A MISSING
+        ## 1B MISSING
+        ## 1C MISSING
+        ## 1D MISSING
+        ## 1E MISSING
         }
 
     def __init__(self, e, offset, exif_file, mode, data=None):
@@ -1205,12 +1229,36 @@ def _parse(val):
 
     _parse = staticmethod(_parse)
 
-    def set_geo(self, lat, lng):
+    def set_altitude(self, elevation):
+        """Set the elevation"""
+
+        gps = self.exif.primary.GPS
+        gps.GPSAltitude = [Rational(elevation, 1)]
+        gps.GPSAltitudeRef = '0' if elevation >= 0 else '1'
+
+    def set_direction(self, direction, ref='T'):
+        """Set the image direction"""
+
+        gps = self.exif.primary.GPS
+        gps.GPSImgDirection = [Rational(direction, 1)]
+        gps.GPSImgDirectionRef = ref
+
+    def set_bearing(self, bearing, ref='T'):
+        """Set the image bearing"""
+
+        gps = self.exif.primary.GPS
+        gps.GPSDestBearing = [Rational(bearing, 1)]
+        gps.GPSDestBearingRef = ref
+
+    def set_geo(self, lat, lng, datum='WGS-84'):
         """Set the GeoLocation to a given lat and lng"""
+
         if self.mode != "rw":
             raise RWError
 
         gps = self.exif.primary.GPS
+        gps.GPSMapDatum = datum
+        gps.GPSVersionID = '2 0 0 0'
 
         sign, deg, min, sec = JpegFile._parse(lat)
         ref = "N"