El 13/02/2016 a las 21:41, Russ Nelson escribió:
I'm trying to verify every(!) abandoned railroad bridge in NY with a
field trip and a photographic record. It's worth doing, because I
found a couple of bridges I thought I could see on the aerials, but
which weren't actually there, a few that were reconstructs, not
original RR bridges, and a few that had been dismantled (sob!).
Problem: I've already visited a majority but not all. Which ones?
Problem: not all my photos are georeferenced.
Problem: I don't have a GPS track for them either (otherwise I would
and do use exiftool's geosync facility).
Solution: I remember where I took every photo (but if I see you
walking on the street I won't remember your name; go figure), so it's
just a matter of getting a lat/lon and storing it with every
photo. So, I look at the photo, and use JOSM to visit that location. I
add a node at the location I took a photo, use Ctrl-Alt-C to copy the
lat/lon, then Ctrl-Z to remove the node. Then I copy the lat/lon into
a shell command called "setgps" (included below), which takes three
parameters: lat, long, and the photo. It uses exiftool to stuff the
lat/lon and hemisphere into the photo.
I made last summer a plugin for JOSM called Mapillary plugin. It would
allow you to import all the pictures, drag them into the correct
lat/lon, make sequences out of them and then export them to a local
directory or upload them to Mapillary service.
#!/usr/bin/python
"""takes three parameters: lat, long, and the photo filename.jpg"""
import sys, os
lat = sys.argv[1].replace(",", "")
lon = sys.argv[2]
if float(lat) > 0: latdir = "N"
else: latdir = "S"
if float(lon) > 0: londir = "E"
else: londir = "W"
os.system("exiftool -GPSLatitudeRef=%s -GPSLatitude='%s' -GPSLongitudeRef=%s
-GPSLongitude=%s '%s'" % (latdir, lat, londir, lon, sys.argv[3]))
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