Batch processing of photos?

Discussion in 'Photoshop Tutorials' started by mr, May 29, 2004.

  1. mr

    mr Guest

    Does Photoshop allow batch processing of files (pictures)?

    For example, if I have a collection of photos of relatively high resolution
    in JPEG format, can I set Photoshop to resize (ie decrease the resolution)
    on the whole set with a single command, rather than have to do each photo
    individually?

    If not with Photoshop, are there other photo applications that can do this ?

    TIA,

    Mark.
     
    mr, May 29, 2004
    #1
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  2. mr

    edjh Guest

    Yes. In Photoshop look up Actions and Automate in Help or the manual or
    on the web. What you do basically is record and action of doing it on
    one file and run it as a batch from File>Automate.

    Irfanview will do this also as will XnView and many more for both
    Windows and Mac.
     
    edjh, May 29, 2004
    #2
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  3. mr

    jjs Guest

    It would be insane if the the best professional imaging program on earth
    could not batch. It sure can. I've done as many as 3000 images before
    lunch routinely using batch (and alternately, droplets.)

    If you have Photoshop, see "help automate".
     
    jjs, May 29, 2004
    #3
  4. That is the first mention of droplets I have seen in a long while. If I were
    doing a lot of files I would not use an action...you still have to press the
    action's button constantly. I would make a droplet. Then just drag the files
    over it.
     
    Gene Palmiter, May 30, 2004
    #4
  5. mr

    edjh Guest

    Droplets are cool but they're not editable. I don't see the difference
    between dragging and dropping and pushing a button. If you put all your
    files in a folder you can Batch them with an action and don't have to
    push any buttons.
     
    edjh, May 30, 2004
    #5
  6. mr

    jjs Guest

    One virtue of Droplets is calling them from the WindoZe command line. You
    can then use the job scheduler to run certain jobs unattended, for example
    a variety of long jobs in sequence over a weekend. You can also write a
    script application to process files using the droplet. Imagine a job where
    you have PS on a network computer and a 'watch folder' application; when
    the app finds the folder contents have changed, it calls the droplet to
    process the contents (and move them, etc when done.) I haven't explored
    OS-X in this regard, but I'd terribly surprised if it didn't work there as
    well.

    I've posted the How-To on this a couple times in the past year or two.
     
    jjs, May 30, 2004
    #6
  7. Maybe I am learning something here. So...the editing is not an issue. You
    edit the action and make another droplet. That is not very time
    consuming....5 secs?

    I have never tried to batch a folder....but what if, as I do, there is a
    folder of my original jpgs from the camera. With them are the psd from the
    editing. Now...I want to change them...either to jpg for the dotphoto.com to
    be printed...or for publishing in my magazine....from explorer I can drag
    files to the droplet...I don't see how that could be easier with an action.
    Even if I could do the whole folder...I don't want to.

    Please enlighten...am I missing some capability that PS offers?
     
    Gene Palmiter, May 30, 2004
    #7
  8. mr

    edjh Guest

    Well, you would have to have a folder with only the files you want to
    process. All depends on how you work I guess.
     
    edjh, May 30, 2004
    #8
  9. mr

    edjh Guest

    You realize that Adobe warns very strongly against running Photoshop
    across a network or opening/saving files across a network?
     
    edjh, May 30, 2004
    #9
  10. mr

    jjs Guest

    I am not running the executable across a network. The files are on the
    same machine that PS occupies and saves them on the same machine. I am not
    aware of Adobe's particular position on using their software from the
    command-line. If it is verboten, then perhaps Adobe will make the effort
    to tell me: until then, I will continue as-is. (And if they do protest, I
    will certainly share the memos with the group.)

    You would think that if Adobe didn't want PS to run from the command line,
    they would have obviated simple foreign entry into the executable, but
    they don't so it's got to be okay, or perhaps just something they have to
    tolerate as long as WindoZe prevails.
     
    jjs, May 30, 2004
    #10
  11. mr

    edjh Guest

    Okay. I thought you were talking about working across a network. Sorry.
     
    edjh, May 31, 2004
    #11
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