Episode 005: A ship in the fog (3) – off to the print shop!

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In this episode I’ll finish the editing of the image that kept me busy in the last shows. There was a lot to do – darkening the ship with a selective layer mask, cloning out some driftwood and half a bird, correcting the aspect ratio to something the printer will be happy with and giving him a hint how to print the image with a gray and colour gradient.

Before I really send the image to the printer I’ll make the birds in the top left corner a bit darker – but you know how to do that.

Meet the GIMP! is now listed in iTunes and Podcast Alley. If you like the show please let the people there know. 😉

And if you live in the USA, have some time in the fall and want to improve your photography, click on this link to the Tips from the Top Floor Workshops.

I can recomend them, you’ll have a lot of fun and learn a lot.

You can leave your comments on this blog or go to the Tips from the Top Floor Forum.


00:21 Welcome
00:52 Make it pop
01:10 Multiply layer
02:40 Add a layer mask
04:25 Checking you’re painting on the layer mask
09:26 Change the order of the layers
11:14 Blur the layer mask
12:25 Selective editing
12:50 Healing tool
15:30 Clone tool
16:38 Preparing for printer
16:45 Changing aspect ratio using Canvas Size
18:10 A new layer for the background
18:47 Printer guidelines
21:06 About the blog
21:40 Learning to see workshop
22:27 The End
TOC made by paynekj

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24 thoughts on “Episode 005: A ship in the fog (3) – off to the print shop!

  1. As usual, very well done – I love learning these tidbits!
    Just what is the difference between clone and healing? Is healing more of an overlay where clone is a total replacement? I tried it in starkly different colors, and where the clone just disregards the color in the area that you are to put it down, the healing tool seems to alter the pixel in a much more subtle way. I would love to know exactly what to expect.
    Thanks, Rolf.

  2. Thank you for the kind comment.

    Clone does exactly what it says, simply copy from the source. As long as you keep the mouse button down the source follows the movement of the clone tool. This way you can clone bigger areas or complicated forms. Whne you release the mouse button the source returns to its origin. So you can clone the same source to different targets in the image.

    The healing tool does the same – but with a bit more intelligence. I have not looke into that in depth up to now (realized that while recording the show 😉 ) but will do that.

  3. Hi Rolf – great work. I immediately watched the first four episodes upon your post at gimp-user.

    Would you consider making the original ship photo RAW and JPG and possibly some of your intermediate XCF files available for download?

    I’d like to replay lessons 3 thru 5 and follow along doing it myself.

    In lesson 3 you mentioned RAW to JPG conversion. I googled “raw2jpg win32” and got one hit: http://www.ktverkko.fi/~msmakela/software/photomolo/

    Is that the one you were thinking of?

    regards … Alec (from Aurora, Ontario)

  4. Of course I can share the files, let me check out the hosting issues. I don’t want to offer them from this machine because here I have a bandwidth quota. Just I can send them to you (and everybody else who wants them) per mail. Just send me a request to info@meetthegimp.org from the account that you want the mail to go to. It’s several MB, no idea how far I can compress that.

    The link you provided is very interesting. I’ll check that out – it seems to be the “contact print” system I was thinking about but haven’t found it up to now. As a free raw converter I use ufraw ( http://ufraw.sourceforge.net/ ). I’ll cover that before show 10.


  5. This link is valid one week from now on:


    You’ll get the xcf file I used in the show. The layer “Background” is the one out my raw converter. (Except for the crop.) Just copy that layer into a new file in Gimp (click the layer, click into the image, ctrl-a to select everything, ctrl-c for copy and then Edit/Paste as/New Image).

    I’ll look for a more permanent solution.

  6. Really good and well done!

    A question: if i want to determine the resulting color, e.g. the sky color too see if there is a color cast or it is a quite pure shade of grey, after i have added the 2 layer, what can i do?
    If i choose color picker it shows the color of the pixel of the selected layer, not the color i see with the 2 top layers turned on.

    As a last point, the image, like almost all camera images, is a bit noisy… I’ll be interested in a noise reduction video 😉

    Thank you.

    p.s. If you use .xcf.bz2 the size of the example file is about 50%, and gimp opens it without troules.

  7. I don’t know an easy way for the colour picker to get the sum of the layers below. But I’ll try to find out.

    EDIT: Now I know – look at Episode 8 or just select the option “Sample Merged”.

    The .xcf.bz2 or xcf.gz trick works wonderfull on Linux machines. I use it a lot. I am not so shure about Windows and Macs. I’ll mention it in a show – and then we’ll see.

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  9. Even so I downloaded the hole show from 1 to 41 already, it’s only now I find the time to watch the episodes from the beginning.
    Just one question:
    Why do you put the gradients in the picture? Is their any relevance but to be able to check on your own the colors after printing the picture?

  10. The gradients are for checking how good the printing shop was. If the colours are off I can point to them with defined RGB values. Poor man’s calibration.

  11. Excellent video series! I found you through Miro which is a video player/downloader of sorts. I have downloaded episodes 1-20 and have watched 1-14 over the past few days. Although your shows are not perfect I am learning a lot about both the Gimp and image processing in general. I enjoy your sense of humour, your relaxed nature, and I even get a laugh out of your accent from time to time (please do not be offended). I have had a few comments I wanted to make as I watched the show but I will wait until I have caught up to the most recent episode – I don’t want to mention what may have already been mentioned.

  12. You may be wondering why I chose to comment on this episode. I have been going through the episode posts to read what you and others had written as I have only been watching the videos up to this point. After seeing the date and that you responded to Michael’s question I realized that you do in fact read the comments even if they are regarding past episodes and that I better add my two cents and encouragement while I am thinking of it : )

  13. Thank you for your encouragement. And please mail me your thoughts about the first episodes. Even if I may have made it better in the later ones, there is alway something to learn by critique.

    It’s not perfect, I know. I am doing this in my spare time and I am also no expert neither in GIMP nor in video making. But I’ll keep on unless a better expert steps in. 😉

    (BTW, I need expert who do one or the other video for me.)

    I am following all comments in a RSS stream – so I know also about the ones on the past episodes. And you are not the only one, who downloads the old stuff – there are more than 15 a day for most of the old shows. Makes me a bit proud about this thing….. 😉

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  15. Rolf,

    Thank you very much for these tutorials. I just discovered them, and went through five of them today! I will finish the rest soon. I’ve been using the Gimp for several years, but I have learned a lot of tricks and tips from watching your tutorials that I didn’t know about. Thank you again.

    Bob Barber

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  18. Hey Rolf!
    Thanks a lot for nice tutorials!
    I’ve noticed a mistake in your Screen mode formula. The inverted colours first divided by 255, and then substracted from 255 (not vice versa – we would get negative values). So the correct formula is 255 – ((255 – B) * (255 – F) / 255). Sorry for boring, I know nobody cares of it exept some pedantic mathematicians 🙂

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