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New Sony GPS Camera Accessory



 
 
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  #41  
Old September 15th 06, 09:54 AM posted to aus.photo,alt.photography,rec.photo.digital,rec.photo.digital.slr-systems,rec.photo.digital.zlr
Bill Again
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Posts: 27
Default New Sony GPS Camera Accessory


"Dave Martindale" wrote in message
...
Ron Hunter writes:

The GPS described doesn't have a display, which accounts for the lower
price, and the long battery life. It isn't a full-fledged GPS at all,
just a way of recording time and position stamps, which many 'GPS
enabled' cell phones do for even less. In short, I am not impressed by
either the price, or the capabilities.


GPS enabled cell phones generally do their thing with the aid of data
provided by the cell sites they are normally listening to. Go someplace
without cellular coverage (or coverage that your phone is not compatible
with) and you'll get no position data at all.

On the other hand, this seems to be a full-fledged GPS receiver, in the
sense that it's capable of determining its position without outside
help. That makes it cost more, but worth more, than a cell phone's GPS
functions.

It's still not a consumer GPS unit with display and user interface; it's
just a position logger. But that's exactly what is needed to work with
an arbitrary digital camera. (It would be even nicer to have a camera
with integrated GPS receiver).

Dave


I seem to have missed something here. Does the GPS info attached to the
photo give a degrees coordinate or a an actual location? That is, does it
include something like an address? To do so presumably it would need a built
in map as well in. Otherwise it will give you what my navigation device
does, and that is a set of lat/ lon coordinates which to my mind is not
going to be all that clear to the average user.

Bill


  #42  
Old September 15th 06, 06:39 PM posted to aus.photo,alt.photography,rec.photo.digital,rec.photo.digital.slr-systems,rec.photo.digital.zlr
Padu
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Posts: 80
Default New Sony GPS Camera Accessory


"Bill Again"

I seem to have missed something here. Does the GPS info attached to the
photo give a degrees coordinate or a an actual location? That is, does it
include something like an address?


Probably not.

To do so presumably it would need a built in map as well in.


Right

Otherwise it will give you what my navigation device does, and that is a
set of lat/ lon coordinates which to my mind is not going to be all that
clear to the average user.


Unless you are a perfect geography geek, you're right, it doesn't make sense
even for the more advanced user. The real advantage of recording
geocoordinates in the exif is the possibility of using a mapping software
(such as google maps) to plot where the photos were taken

Cheers

Padu


  #43  
Old September 15th 06, 06:49 PM posted to aus.photo,alt.photography,rec.photo.digital,rec.photo.digital.slr-systems,rec.photo.digital.zlr
Ron Hunter
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Posts: 4,064
Default New Sony GPS Camera Accessory

Padu wrote:
"Bill Again"

I seem to have missed something here. Does the GPS info attached to the
photo give a degrees coordinate or a an actual location? That is, does it
include something like an address?


Probably not.

To do so presumably it would need a built in map as well in.


Right

Otherwise it will give you what my navigation device does, and that is a
set of lat/ lon coordinates which to my mind is not going to be all that
clear to the average user.


Unless you are a perfect geography geek, you're right, it doesn't make sense
even for the more advanced user. The real advantage of recording
geocoordinates in the exif is the possibility of using a mapping software
(such as google maps) to plot where the photos were taken

Cheers

Padu


Note the Photoshop elements 5.0 has a feature that will do exactly that
if the geocoordinates are available, and even group your photos by
location, and slideshow those from nearby. Nice feature. Now all I
need is software to read my tracklog and apply it to the appropriate
photos....
  #44  
Old September 15th 06, 10:01 PM posted to aus.photo,alt.photography,rec.photo.digital,rec.photo.digital.slr-systems,rec.photo.digital.zlr
George K
external usenet poster
 
Posts: 159
Default New Sony GPS Camera Accessory

See "The importance of place - GPS and photography",
http://www.microsoft.com/windowsxp/u...photo/gps.mspx,
for a camera with optional GPS receiver that orientates to the
direction of the image. Of course this will add 300.00 USD to 500.00
USD to your camera.

The following is an example of EXIF GPS tags and values:

[GPS]
GPS Version ID = Version 2.2
GPS Latitude Ref = North latitude
GPS Latitude = 39°54'56"
GPS Longitude Ref = East longitude
GPS Longitude = 116°23'27"
GPS Time Stamp = 18:07:37 UTC
GPS Date Stamp = 2003-11-23 UTC

For more EXIF GPS tags see:
http://www.sno.phy.queensu.ca/~phil/...Names/GPS.html

Bill Again wrote:
"Dave Martindale" wrote in message
...
Ron Hunter writes:

The GPS described doesn't have a display, which accounts for the lower
price, and the long battery life. It isn't a full-fledged GPS at all,
just a way of recording time and position stamps, which many 'GPS
enabled' cell phones do for even less. In short, I am not impressed by
either the price, or the capabilities.


GPS enabled cell phones generally do their thing with the aid of data
provided by the cell sites they are normally listening to. Go someplace
without cellular coverage (or coverage that your phone is not compatible
with) and you'll get no position data at all.

On the other hand, this seems to be a full-fledged GPS receiver, in the
sense that it's capable of determining its position without outside
help. That makes it cost more, but worth more, than a cell phone's GPS
functions.

It's still not a consumer GPS unit with display and user interface; it's
just a position logger. But that's exactly what is needed to work with
an arbitrary digital camera. (It would be even nicer to have a camera
with integrated GPS receiver).

Dave


I seem to have missed something here. Does the GPS info attached to the
photo give a degrees coordinate or a an actual location? That is, does it
include something like an address? To do so presumably it would need a built
in map as well in. Otherwise it will give you what my navigation device
does, and that is a set of lat/ lon coordinates which to my mind is not
going to be all that clear to the average user.

Bill


  #45  
Old September 18th 06, 06:18 AM posted to aus.photo,alt.photography,rec.photo.digital,rec.photo.digital.slr-systems,rec.photo.digital.zlr
[email protected]
external usenet poster
 
Posts: 10
Default New Sony GPS Camera Accessory

Mr.T wrote:
wrote in message
ups.com...
I do it the low tech way - immediately before the shot (or after if I
think about it too late) I hold my GPS in front of the camera and take
exactly the same shot. Costs me nothing more than some extra wear and
tear on my CF card.


I wouldn't worry about the CF card, but all SLR's DSLR's have a finite life
expectency for number of exposures/shutter operation.
Obviously you will only get half the number of actual photo's. Given that
most DSLR bodies will probably be obsolete before they are worn out, I would
not let it stop you though :-)


I think my shutter is rated at 150,000 actuations. I've done about 9000
shots in 18 months, so that means I still have 25 years to go before it
breaks. ;-)

I don't do the extra GPS shot for *every* frame - usually just once to
record the general location of the following shots (I usually don't
need to do this unless it's a newly discovered location), or multiple
times where I want to recreate specific frames as closely as possible
in the future.

  #46  
Old September 19th 06, 04:22 PM posted to aus.photo,alt.photography,rec.photo.digital,rec.photo.digital.slr-systems,rec.photo.digital.zlr
Wolfgang Weisselberg
external usenet poster
 
Posts: 5,285
Default New Sony GPS Camera Accessory

["Followup-To:" header set to rec.photo.digital.slr-systems.]
Padu wrote:

Actually, I believe you don't need their hardware. I develop GPS based
applications, and thinking about it, if you have a tracklog recorded in a
given format (NMEA is common to most, if not all, GPS devices), it shouldn't
be difficult to write an application that goes through a folder where your
pictures are stored and match the date picture was taken from the EXIF, and
get the coordinate from the tracklog file at that time, and write back to
the EXIF.


I would create such a software easily, but I doubt that nobody thought about
it yet.


You are right:
http://freefoote.dview.net/linux_gpscorr.html

-Wolfgang
 




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