[Bug 303062] New: Add image direction in Map module (from EXIF of geotagging pictures with compass heading))

[Seb gps-camera.eu]

https://bugs.kde.org/show_bug.cgi?id=303062

            Bug ID: 303062
          Severity: wishlist
           Version: unspecified
          Priority: NOR
          Assignee: [hidden email]
           Summary: Add image direction in Map module (from EXIF of
                    geotagging pictures  with compass heading))
    Classification: Unclassified
                OS: other
          Reporter: [hidden email]
          Hardware: Other
            Status: UNCONFIRMED
         Component: Geolocation
           Product: digikam

Hello together,
first a thanky to the great geotagging features (map search tool, reverse
geocoding,  ... of digikam!)

To the feature wish:

Here is a - low quality - video for better understanding. It shows quite good
what I mean:
https://www.youtube.com/watch?feature=player_embedded&v=Et5Xjq3UzgU 

It would be great to have the focus distance also involved. But this seems to
be difficult as most cams do not write it standardized to the EXIF
-------------------------------------------------------------

Are there Cameras with GPS + Compass (Heading)?

yes, at the moment I count 20 Cameras and Geotaggers. And by the dates you can
see the number ist starting to grow really fast. In the beginning (2008 it was
only Solmeta for Nikon and Ricoh). The boom starts 2011 and 2012:

DSLR and Medium Format

Nikon DSLR:

Solmeta Geotagger N2/Pro/N3 (since 2008!)
Dawntech M3-DC Digital Compass (03/2012)

Canon DSLR

Canon GP-E1(05/2012)
Canon GP-E2 (05/2012)

For Pentax DSLR and Medium Format

Pentax O-GPS1 (2011)

Compact/Bridge:

Nikon Coolpix AW100 Outdoor-Cam GPS + Compass (09/2011)
Nikon Coolpix S9300 suoperzoom with GPS + Compass (03/2012)

Olympus

Olympus Tough TG-1 Outdoor with GPS + Compass (06/2012)

Ricoh

Ricoh Caplio G500SE + GPS/Compass unit
Ricoh Caplio G700SE with Ricoh GP-1 GPS-unit (07/2010)

Samsung

Samsung WB850F GPS + Compass(04/2012)

Sony

Sony Cyber-shot DSC-HX5V GPS + compass (2010)
Sony Cyber-shot DSC-HX7V GPS + compass (02/2011)
Sony Cyber-shot DSC-HX9V GPS + compass (04/2011)
Sony Cyber-shot DSC-TX100V GPS und Kompass (2011)
Sony Cyber-shot DSC-HX100V GPS + Compass (2011)
Sony Cyber-shot DSC-TX200V GPS + compass (03/2012)
Sony Cyber-shot DSC-HX10V GPS + Compass (04/2012)
Sony Cyber-shot DSC-HX20V GPS + Compass (05/2012)
Sony Cyber-shot DSC-HX200V GPS + Compass (03/2012)

(source:
http://www.gps-camera.eu/news/45-news/324-liste-aller-digitalkameras-kompaktkameras-gps-schnittstelle.html
)

If you need sample Pics for testing, ... please feel free to contact me!

Cheers!

Sen

Reproducible: Always

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[Gilles Caulier-4]

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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=303062

--- Comment #1 from Marcel Wiesweg <[hidden email]> ---
> If you need sample Pics for testing, ... please feel free to contact me!

Yes, we need samples. Either on some webspace, or via private mail.
Reading to database is the first step, and easy, implementing the UI is not so
trivial.

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[Seb gps-camera.eu]

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--- Comment #2 from Seb gps-camera.eu <[hidden email]> ---
Sorry for the late reply. Always in mind, just a lack of time :-/

======================================
You will find geotagging examples here:
https://www.gps-camera.eu/shop/geotagging-beispiele.html
======================================

Technical Examples
==> Geotagging-Fotos: ZIP-Datei mit Beispielen (JPEG)
==> Geotagging-Fotos: ZIP-Datei mit Beispielen (NEF)
- Different Geotaggers on different Cameras
- With/without compass
- With/without indoor-buffer (some geotaggers mark GPS-EXIF from buffered data
with "impossible" values for satellite count. GPS needs 3 (4) satellites to get
a fix)
- On ZIP is JPEG one is Nikon NEF (Raw)

Outdoor-Examples
==> Geotagging-Testbilder für Programmierer (GPS/Kompass/Sonnenstand)
- Geotagging examples with compass in the field
- 360° shots from tower
- different places
-  zenith angle of sun shots (with, against, ... the sun)

Scenic Example
==> Sauschwaenzlebahn (Testbilder ZIP)
A travel with a steam train and hiking back

more ....
---------------------
I think this could help you for now. The zenith angle of sun shots could be
interesting to build and test a “sun filter”. With coordinates + GPS time/date
it is possible to filter all pictures taken as dusk, dawn, … With compass data
added you can filter all pictures with frontal sun, sun from the back, sun from
the right, … In combination you can filter all frontal pictures of  sundowns, …

Prototype:
https://www.gps-camera.eu/news/45-news/285-fotos-nach-sonnenstand-und-lichtstimmung-filtern-dank-geotagging.html

Cheers
Seb

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[Seb gps-camera.eu]

https://bugs.kde.org/show_bug.cgi?id=303062

--- Comment #3 from Seb gps-camera.eu <[hidden email]> ---
the sun direction filter is this https://bugs.kde.org/show_bug.cgi?id=303063

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[Eric Bayard]

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--- Comment #4 from Eric Bayard <[hidden email]> ---
There are a lot of camera support this feature by now and it is very useful to
some users like geologist,...

Note that it helps a lot when trying to manually add gps coordinats to the
photo.
Indeed if you can see the angle of view on the map , you can see what was
photographed, I frequently uses this to perfectly set my pictures on geosetter.

You can check this feature request thread on geosetter that was used to
implements the feature in it:
http://www.geosetter.de/mantis/view.php?id=82

A few great feature of geosetter:
-the direction is drawn as a transparent triangle that represent the camera
field of view.
  the field of view is computed from the focal length and sensor size
(geosetter has a list of camera sensor size relative to 24*36 format but you
can also get it from exif on some camera model)
-you can set the direction as being magnetic or true north

what could be added:

-the size of the triangle can be computed from the horizon distance (
http://de.wikipedia.org/wiki/Potenz_(Geometrie) )

-Magnetic north could be corrected to geographic north
to correct the declination you can have a look there, they give the source code
in C and the data.
http://www.ngdc.noaa.gov/geomag/WMM/soft.shtml [^]
an example of web site using it with google map:
http://www.magnetic-declination.com/what-is-magnetic-declination.php

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[Eric Bayard]

https://bugs.kde.org/show_bug.cgi?id=303062

--- Comment #5 from Eric Bayard <[hidden email]> ---
Also note that more software start supporting this like lightroom (even if it
is extremely basic in lightroom)

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[schuschq]

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--- Comment #6 from [hidden email] ---
Me too: please add support to add heading/destination data in the metadata
editor.

For me this missing possibility is one of the few reasons to still use windows
(in this case it means: to use geosetter) instead of linux ... the geosetter
examples which Eric names show quite good what is meant.

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