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  • raj 6:24 pm on December 22, 2014 Permalink | Reply
    Tags: gphoto,   

    Nikon J4 support is now in gphoto 2.5.6… 

    Nikon J4 support is now in gphoto 2.5.6

    The J4 camera id was added in commit r15269

  • raj 10:38 pm on June 24, 2014 Permalink | Reply
    Tags: gphoto,   

    Using the Nikon J3 with gphoto and ubuntu 

    Some notes on using the Nikon J3 for remote capture:

    • We added Nikon J3 support to gphoto, for use with IA tabletop bookscanners. Most these changes came in r149415. Version r14922 has been tested with this camera on both Ubuntu 12.04 and Ubuntu 14.04.
    • A git-svn mirror of photo (at r14922) is available here: https://github.com/rajbot/gphoto
    • Ubuntu tries to mount the camera as a filesystem using `GVFS` as soon as the camera is connected via USB. On older versions of Ubuntu, a gvfs-gphoto bug causes the camera to lock up. The easiest way to disable automounting of the camera is to `chmod -x` the gvfs-gphoto2-volume-monitor:
      sudo chmod -x /usr/lib/gvfs/gvfs-gphoto2-volume-monitor

    Update: Nikon 1 support has now been integrated into gPhoto 2.5.5!

  • raj 4:33 am on June 10, 2014 Permalink | Reply
    Tags: gphoto   

    Some questions when considering a camera for remote capture 

    • Does the camera support a standard for remote capture, such as PTP?
    • Does gphoto already support this camera? If not, is there an existing SDK for linux? If not, is there existing remote capture software on any platform that works with this camera?
    • Can you capture and download an image without a memory card installed in the camera?
    • How fast can you capture and download an image?
    • Is there an API for enabling/disabling autofocus?
    • Is there a mechanical mirror? If so, can you lock it in position?
    • Is the shutter electronic or manual? (Are both first and second curtain electronic?)
    • How many shots can you take before the camera needs repair?
    • Does the remote capture API work over USB? or only wifi? How many cameras can we connect to the same computer?

    There are lots of questions about image quality to consider as well. Also, we are not concerned about video, but it would be worth knowing what video operations are supported via API.

  • raj 10:02 pm on May 2, 2014 Permalink | Reply
    Tags: gphoto   

    Compiling gphoto on Ubuntu 14.04 LTS 

    Here are instructions on how to compile a minimal gphoto build into /usr/local on a fresh Ubuntu 14.04 Trusty desktop install:

    # install dependencies and checkout gphoto source
    $ sudo apt-get install automake autopoint gettext libtool libusb-dev libpopt-dev subversion
    $ svn checkout svn://svn.code.sf.net/p/gphoto/code/trunk gphoto
    # compile libphoto2 and install into /usr/local/lib
    $ cd gphoto/libgphoto2/
    $ autoreconf --install --symlink
    $ ./configure
    $ make
    $ sudo make install
    # compile gphoto2 and install into /usr/local/bin
    $ cd ../gphoto2
    $ autoreconf --install --symlink
    $ ./configure
    $ make
    $ sudo make install

    In order to run ghoto with the version of libgphoto2 that you just built (as opposed to the one that came with Ubuntu 14.04), be sure to set LD_LIBRARY_PATH:

    $ LD_LIBRARY_PATH=/usr/local/lib /usr/local/bin/gphoto2 --version
    gphoto2 2.5.4
    Copyright (c) 2000-2014 Lutz Mueller and others
    gphoto2 comes with NO WARRANTY, to the extent permitted by law. You may
    redistribute copies of gphoto2 under the terms of the GNU General Public
    License. For more information about these matters, see the files named COPYING.
    This version of gphoto2 is using the following software versions and options:
    gphoto2         2.5.4          gcc, popt(m), no exif, no cdk, no aa, no jpeg, no readline
    libgphoto2        all camlibs, gcc, ltdl, no EXIF
    libgphoto2_port 0.10.0         gcc, ltdl, USB, serial without locking
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