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Thread: How do I create ice shelf?

  1. #1
      Quabbe is offline
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    Default How do I create ice shelf?

    Hey there,

    I'd like to create ice shelf in an arctic region for a satellite map. So far not a problem, I could draw them by hand (if I get it right). But if there is any common technique out to produce ice flow the easyier way, I'd be glad to hear about it.

    I use CS4. Something like a filter (Craquelure f.e. - but I didn't get the result that I wanted) or even a plugin maybe?

    This is what I want:




    Quabbe

  2. #2
    Community Leader Facebook Connected Steel General's Avatar
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    There maybe a plug-in out there somewhere - anything's possible.

    You may want to try some kind of shattered/broken glass brushes (there's plenty of those) a combination of those may give you the effect you want. Probably be a ton of work though
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      Quabbe is offline
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    Broken glass is a good hint, thanks. I'll see if I can find some brushes of that kind.

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      Ascension is offline
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    Four things on broken glass: 1) it produces more straight lines and not so much round bits, 2) before breaking it yourself cover one side with contact paper so that it doesn't explode everywhere (you can get clear contact paper which is a plastic really), 3) different glass produces different effects - plate glass (drinking glasses, mirrors, old houses have this, glass shelves are usually of this type, and some tabletops) breaks in mostly big chunks or in striations; tempered glass (like a patio door and double-paned windows) breaks into a million little bits - it will have a printed logo in a corner; and laminated glass (your car windshield and most commercial windows like at retail stores) is two sheets of glass glued together so breaking one pane might not break the other pane - look at the side edges and you can see easily, 4) the more lead in the glass (the edge will be green) the more crystalline it is and therefore prone to straight-line breakage - it also has that nice "ping" sound like in fine stemware. Ceramics break in big chunks and powder. Hard plastics break straight-line, similar to glass, and soft plastics break ragged-edge similar to paper but a CD cover works pretty well. Rusted metal is always good.

    What you want is a good mix of big and small, straight and round so I might walk around the streets and look for potholes or broken concrete and photograph that. Or maybe find a mud puddle. You could always search the internet but who knows what you will find or how long that will take. Getting back to paper, fold it up and rip it up into small and big chunks then rearrange everything to fit but leave some gaps. Cheese slices are also good for this. If you have the means, take a flat pan and freeze a thin amount of water to make something like a pane of glass, then break the edges up with a big wooden spoon (don't hit it too hard or it will go everywhere just push on it), then photograph before it melts or sketch it if you're fast enough. Food coloring or Kool-Aid (don't know if they have that in Germany) can help you see things better. Chocolate also works pretty well with this method (since it's a solid at room temperature and easier to photograph but the chunks are not quite right). Take a candy bar, melt it into something thin, then freeze, then break it up. Magic Shell is liquid at room temperature so I don't recommend that - plus I don't know if they have that in Germany.

    Well, anyways, those are some ideas. I guess you know why I call myself the mad scientist
    If the radiance of a thousand suns was to burst at once into the sky, that would be like the splendor of the Mighty One...I am become Death, the Shatterer of worlds.
    -J. Robert Oppenheimer (father of the atom bomb) alluding to The Bhagavad Gita (Chapter 11, Verse 32)


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      Redrobes is offline
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    I cant help much but to point you to some links I know of. The Land Information guys of New Zealand do some fab maps for download and they have modest restrictions on their use. Even if used them for reference then I would check out:
    http://www.linz.govt.nz/topography/t...ica/index.aspx
    http://www.linz.govt.nz/topography/a...geo/index.aspx
    I dont know if they are useful but I know they are large sizes and small scale maps of arctic regions.

  6. #6
      Quabbe is offline
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    @ Ascension:
    Yesses, is that the glasser speaking out of you?

    I drew the ice by hand, as I didnt find the brushes I was looking for. This was yesterday and I'm somehow finished now - not really happy with the result, looks not real enough in my opinion. Before today I had no time to look into the forum to read your awesome answer. Wikipedia says to Magic Shell, it quickly freezes on icecream. Yes, I remember a syrup I tasted once that does the same. If I don't get it finished by hand now, this sounds like a good (and making a huge mess) alternative.

    @ Redrobes:
    Ah, great, I'll take a look at it. I was searching with google for ice shelf but got only the two pictures I posted on top. This seems to be the site I was looking for.

    Thank you both.

    This is what I actually have. Any suggestions or can I leave it as it is?


    Quabbe
    Attached Thumbnails Attached Thumbnails How do I create ice shelf?-ice-shelf.jpg  

  7. #7
      Marken4 is offline
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    I think it looks good

  8. #8
      Jaxilon is offline
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    It does look pretty good but I'm not sure that I would think "Ice Shelf" if I hadn't already known that's what you were going for. It looks more like broken clay to me. Maybe it's no white enough? This will be good to figure out in the end because I think it will come in handy at some point.
    “When it’s over and you look in the mirror, did you do the best that you were capable of? If so, the score does not matter. But if you find that you did your best you were capable of, you will find it to your liking.” -John Wooden

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      Quabbe is offline
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    Yeah, thanks Jax. I'm with you, it also feels 'wrong' to me. I don't think, it is the color (anyway, it could become a bit more white, you're right). I think it is the kind the shards are arranged. I drew it before I had better reference images than those two on top. The files in Redrobes link are like 50 mb large - I don't have DSL actually. No chance for me to get those images right now.

    I also asked myself, if ice shelf would exist in a region between two lands, while in the northern sea no more ice shelf is. I did not find an answer yet. Located north of the large island still is an other island. The northpole, so to say. Is it possible, that ice shelf is not only around the arctic poles? Okay, it is a fantasy map ... but I do not feel comfortable with a world that does not obey our physical laws.

  10. #10
      Jaxilon is offline
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    I'm wondering if the Ocean color around the base of these Ice cubes should be more blue with minerals, and if that might help....hmm, have to go check out 'Glacier Bay' in Alaska on Google Earth. <- might give some insights.
    “When it’s over and you look in the mirror, did you do the best that you were capable of? If so, the score does not matter. But if you find that you did your best you were capable of, you will find it to your liking.” -John Wooden

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