[josm-dev] Image Direction / Compass Camera images
Florian Lohoff
f at zz.de
Sat May 15 21:16:33 BST 2010
Hi,
as Sony released the DSC HX5V with GPS _and_ a compass i'd like to see
the bearing in JOSM.
The camera puts the direction into Exif tags:
flo at lifebook:~/Desktop/sony-test2$ exiv2 -pa dsc00174.jpg | grep GPS
Exif.Image.GPSTag Long 1 10746
Exif.GPSInfo.GPSVersionID Byte 4 2.2.0.0
Exif.GPSInfo.GPSLatitudeRef Ascii 2 North
Exif.GPSInfo.GPSLatitude Rational 3 51deg 46' 43.014"
Exif.GPSInfo.GPSLongitudeRef Ascii 2 East
Exif.GPSInfo.GPSLongitude Rational 3 8deg 21' 56.297"
Exif.GPSInfo.GPSAltitudeRef Byte 1 Above sea level
Exif.GPSInfo.GPSAltitude Rational 1 93.3 m
Exif.GPSInfo.GPSTimeStamp Rational 3 15:12:07
Exif.GPSInfo.GPSStatus Ascii 2 Measurement in progress
Exif.GPSInfo.GPSMeasureMode Ascii 2 Three-dimensional measurement
Exif.GPSInfo.GPSSpeedRef Ascii 2 km/h
Exif.GPSInfo.GPSSpeed Rational 1 11/10
Exif.GPSInfo.GPSTrackRef Ascii 2 True direction
Exif.GPSInfo.GPSTrack Rational 1 8931/100
Exif.GPSInfo.GPSImgDirectionRef Ascii 2 Magnetic direction
Exif.GPSInfo.GPSImgDirection Rational 1 4650/100
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Exif.GPSInfo.GPSMapDatum Ascii 7 WGS-84
Exif.GPSInfo.GPSDateStamp Ascii 11 2010:05:15
Exif.GPSInfo.GPSDifferential Short 1 Without correction
Example image here: http://silicon-verl.de/home/flo/tmp/dsc00174.jpg
I am Linux only but i saw a great visualization in one review:
http://www.gps-camera.eu/images/stories/Sony/sony_hx5v_kompass_test_screen02.jpg
http://www.gps-camera.eu/images/stories/Sony/sony_hx5v_kompass_test_screen01.jpg
Review:
http://www.gps-camera.eu/index.php?option=com_content&view=article&id=240:sony-cyber-shot-dsc-hx5v-mit-gps-und-kompass&catid=29:hardware&Itemid=59
Is anyone working on something like this? A first step probably be to replace
the camera icon by a ball with a little arrow or something. Converting
focal length into a horizontal picture angle could get a bit more difficult.
Flo
--
Florian Lohoff f at zz.de
"Es ist ein grobes Missverständnis und eine Fehlwahrnehmung, dem Staat
im Internet Zensur- und Überwachungsabsichten zu unterstellen."
- - Bundesminister Dr. Wolfgang Schäuble -- 10. Juli in Berlin
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