First pure GIMP primitive sig

Discussion in 'Signatures and Small Art' started by Bucic, Mar 30, 2010.

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  1. Bucic

    Bucic Member

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    [​IMG]

    It's a Herne's arrow. You know, the Herne from Robin Hood :) It's primitive but suites nicely to the target forum.

    Done from this render http://lockon.co.uk/img/fc2/14_AIM-9P.jpg
    I used Foreground Select Tool with Feather Edges enabled and added Alpha Channel to the Layer. Unfortunately saving as GIF made the bottom front a bit pixelated.

    Below is my second signature ever done in Inkscape
    [​IMG]
     
  2. Maffe811

    Maffe811 The forum pet Staff Member

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    Save it as a png, gif indexes it and makes it only 256 colors... if i remember right!

    =
    Gif for animations, ONLY!
     
  3. Bucic

    Bucic Member

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    I know but the target forum converts it to GIF anyway.
    Hey! I can try using IMG code instead of their signature uploader! Off to test it...

    Edit:
    Nope. IMG codes not allowed.
     
  4. Maffe811

    Maffe811 The forum pet Staff Member

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    do you got the xcf?
    if you do not know what an xcf is, its away to save the raw gimp file, alwayss save a xcf before you save as jpg/png/gif/whatever
     
  5. Bucic

    Bucic Member

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    Of course. I don't do any image and many other stuff that can't be modified later. In this particular case I didn't save it as xcf because I did it for training in 5 minutes.

    My background/raster image knowledge:
    • - no previous raster image editing background
      - seen some GimpKnowHow YouTube tutorials :)
      - xcf GIMP format, lossy vs lossless image formats, quality settings with preview, including indexed GIF, cdds plug-in
      - canvas, layers (+opacity, alpha channel and layer mask) and selection basics (+ floating selection)
      - all the basic transformations (rotating, scaling, cropping etc.), copying, pasting, moving selections
      - basic usage of all the selection tools incl. feathering
      - basic usage of all the paint tools
      - gradient tool
      - erm... all the tools in the toolbox, so it looks :)
      - some filters of name clearly indicating the final effect
      - VERY poor at all the stuff involving color manipulation (lack of theoretical preliminaries) (except of what's RGB and HTML color notation)
      - Very poor at Layer Modes which I know have great potential


    Generally I would be grateful if someone could supplement this list with missing BASIC stuff (including needed theory). Followed by top 10 most underrated image manipulation program functions (from basic to intermediate) and top GIMP tricks that allow achieving quick effects almost like some Picasa manipulations. I went through some chapters of the gimp.org documentation but it's obviously not relevance structured.

    I've been playing with layer mask

    [​IMG]

    T = ~20 minutes. It's not ready. It's just a playground, obviously.
     
  6. Maffe811

    Maffe811 The forum pet Staff Member

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    KUBICA :D
     
  7. David Wood

    David Wood Active Member

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    Not bad, the arrow is rather choppy though. What you should do is use the paths tool to create better cuts. Search for rendering tutorials. :)
     
  8. Bucic

    Bucic Member

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    Yup, I'm a Kubica fan (not a fanatic) since before his F1 debut.

    DW, I don't think it will help. It was fancy and smooth but it get's broken during GIF export as the smoothness in PNG was achieved by feathered selection thus different transparencies level and GIF supports only 100% transparent/0% transparent.
     
  9. Maffe811

    Maffe811 The forum pet Staff Member

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    I kinda like em all, but Fernando Alonso is my fav... i think :p

    you should go to youtube at koin4444 and watch his rendring tut!
    was made by Kyle from... here! (ta da!)
     
  10. Bucic

    Bucic Member

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    From what I see I was right - even koin4444's rendered hero would become pixelated if exported to such a low resolution GIF. The only way to get rid of pixels from the bottom of my sig (right side) would be to pick lighter color and draw a thin line along the edge of pixelated part.

    Edit:
    The only thing that will improve the final image will be to reduce the selection feathering. I used value of around 6! This gave an excessive area with graded transparency which is "disliked" by GIF.
     
  11. Maffe811

    Maffe811 The forum pet Staff Member

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    save it as png!!!!!!!
     
  12. virtualTune

    virtualTune Active Member

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    SCHUMACHER! ;D
     
  13. Bucic

    Bucic Member

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    :D
    It's a piece of cake to do it in PNG. I did it in 5 minutes. But the signature is not for gimper.net. It's for the other forum and that's the goal :p

    BTW, it looks liek selection feathering is a no go if I wanyt the output file in GIF.
     
  14. Bucic

    Bucic Member

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    I can't get rid of that damn transparency inside the selection. How to force 0/1 transparency?

    [​IMG]

    I set feather selection to 0. I tried even put another layer underneath but it didn't help.

    Edit:

    Got it! Select - Sharpen ! :)
     
  15. Bucic

    Bucic Member

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    Hahaha, exactly the same result (without transparency=without anti-aliasing -> GIF), like I said before :D
     
  16. Maffe811

    Maffe811 The forum pet Staff Member

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    well, if you cant make it a png then i would say the forum sucks :p
     
  17. Bucic

    Bucic Member

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    We could say that ;)

    The main problem is, that I need my image to be scaled and rotated with interpolation but with non anti-aliased edges. For this my workflow was completely wrong. Let's say I start with high-res source image with detailed path around it.

    What I did:
    - selection inverted, background removed (alpha channel added), sharpen selection
    - rotated image (here I've lost my sharp selection already)
    - scaled image
    - save as GIF

    What I think of as much better workflow:
    - scale and rotate image in one operation together with path
    - position image on signature canvas
    - path to selection + sharpen selection
    - add alpha channel and remove background
    - save as GIF

    I don't know how to perform the first step.
     
  18. Maffe811

    Maffe811 The forum pet Staff Member

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    What I did:
    - selection inverted, background removed (alpha channel added), sharpen selection, image>selection to path
    - rotated image (here I've lost my sharp selection already)
    - scaled image
    - save as GIF

    if thats the problem :p
     
  19. Bucic

    Bucic Member

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  20. Maffe811

    Maffe811 The forum pet Staff Member

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    srry, but i do not understand the problem, we blame my english abilities :p


    you cant scale and turn in the same action...
     
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