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Thread: !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !

  1. #14
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    I´d definetly like to join in on this.. but I dont have a wacom so I´d be practicing with mouse. I dont think I can get the insane quality and control you guys seem to be able to produce... Is there a specific skill level you want people to be at?
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  3. #15
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    @romance: damn, put me to shame why don't ya. Very nice... now I feel bad for only spending a few minutes on mine. Do you still have the file with the light source and guidelines? I'd like to see it, something about it is bugging me and I can't quite place it. Could be perfect for all I know though.

    @romance and everyone else:
    *Disclaimer* This is all just theory, not a scientific theory but the thoughts that are in my head and man is it a pain to pin them down into words. Only some of it based on what I've read and what I've been taught. So basically, take it with a grain of salt!.

    As for the intensity on the block's shadows and the mixing of the blocks' colors:
    It might be a little high but It makes for a nice picture.
    I think intensity can be thought of as the amount of a pure spectrum color (realistically they mix like crazy) that is reflected in relation to the other pure spectrum colors (s.color). So greater equal amounts of s.colors increase value all the way to white and lesser equal amounts all the way to no-light (black). So say if the s. color of blue is at 100% and all others are non-existant you would have the most intense blue possible (I doubt such a thing has ever been seen though).

    God, this is a really roundabout way of saying:
    Because your enviroment is mostly white or light gray all s.colors are reflected equally on top of that your lightsource is pretty strong and because the "blue" block absorbs all other s.colors but blue; it should stay pretty intense even in the shadow. (We couldn't see anything but black in shadows if there weren't light reflected into them.)

    Ugh, yet another roundabout way of saying something...

    Now the colors from one block reflected onto another:
    Sampling the color of one block onto another is fine for most purposes I think, however you have to take into consideration a few things:
    Value Change - It is light being reflected so it should be brighter, probably just a little though (depending on the situation).
    Hue Change - Our eyes work on additive color synthesis (look it up! Good stuff.) thus colors mix a bit differently than with say paint or markers (subtractive color synthesis). But I think the basic principles are mostly the same, things just get lighter and more intense (acs) rather than darker and less intense (scs). So, 50% blue s.light plus 50% yellow s.light equals green, more light equals more intense and higher value. Adding a "sampled" color works because photoshop/painter does the math for you (ideally).

    Oo lordy, that was draining. I can't remember if I answered my own questions.. gunna go lie down now. Shoot any questions and clarifications out if you got em!

    @Everyone: I really think I should have set this up better I think, I didn't really intend to have a cast shadows in 2 point perspective exercise, just a color theory exercise. Should we do some perspective exercises? Anything specifically besides shadows? Oh and read above if you haven't already.

    @talmir: This is for everyone dood, we're all peers (unless it says professional under your name ) It's not about quality its about the lesson to be learned in the exercise, and now I'll be really pissed if you don't participate.
    - - - - - - - -
    So, to clarify: Everyone can and should participate !
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  4. #16
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    Idiot Apathy: Here's the light and shadow guides.

    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !

    It was far messier than this before. So I decided to clean it up. In doing so, I noticed a massive problem with my shadows from the orange and yellow blocks. Like you, I knew there was something wrong and couldn't quite place it. I will fix this sometime tomorrow. That'll teach me for not keeping my stuff clean .

    Your also right about the lighting, the shadows are definitely too dark. The white should bounce up against the blocks. Damn radiosity, I'll master you yet.

    Interesting theory as well. I'll have to look into this further.

    As far as perspective exercises go, it might be a good idea. Also, I'd stick with the peer projects title. sounds good to me, and it's pretty straight forward.

    Thnaks for your input, looking forward to seeing yours.
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  5. #17
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    Wow so you understood some of that jibberjabber I labeled theory? Sweet!

    Ah, now I see why it was a little uncomfortable; your shadow guidelines are all paralell they too should recede to a vp. (I think...I dunno...)(But once again this setup is really horrible for this sort of thing... sowee!)

    Now the pressures on, gunna have to redo mine after all this theory ... hehe. Gotta put some thought into it.

    I think I can handle some perspective exercises, keep the thoughts coming!

    Edit: Oh, and I don't really think your shadows are too dark... they look good where they are... too much lighter would be ugly I think. I dunno, maybe that's correct for the enviroment? Ick... time for bed, I'm discombobulated! (hence the archaic languange... including archaic...)
    Last edited by Idiot Apathy; October 12th, 2005 at 01:02 AM.
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  6. #18
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    Idiot Apathy: When you talk the talk, you gotta walk the walk

    Guess i should have clarified my light source. its directional light, kinda like the sun, (i studied 3D for a time, so my terminology is based off that). Saying that, the shadows probably should occur the way they are.

    You've also given me an idea; trying one of these exercises with a 'lightbulb' as a light source,... thanks!

    -Rob

    P.S. ANYBODY ELSE FEEL LIKE JOINING THESE EXERCISES? THEY BE FUN! I SWEAR!
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  7. #19
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    Ahhhh I see, that's what I thought of when I considered what might cause shadows like that... but I don't think even the sun could do that. It would have to be reaaally far away and reallllly bright to look parallel wouldn't it? I mean, the shadow on my house recedes to a "vp".

    Edit: Just in case anyone is reading this (and I hope you are!) Romance was right. Sunlight is practically parallel, I've read somewhere that it's actually 1/2 a degree or so different but I don't think that's really detectable. Not sure what I was thinking back when I wrote this ahah! Cheers!

    Quote Originally Posted by romance
    Idiot Apathy: When you talk the talk, you gotta walk the walk
    Crap! I didn't mean to talk the talk... fug.

    Quote Originally Posted by romance
    P.S. ANYBODY ELSE FEEL LIKE JOINING THESE EXERCISES? THEY BE FUN! I SWEAR!
    Yeah damnit! Join us !
    Last edited by Idiot Apathy; March 5th, 2006 at 04:46 AM.
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  8. #20
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    ok, here's my old one with fixed lighting. Took a bit more time with my shadow guides to make sure they were accurate. Also kept the sun as my light source.

    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !

    Enjoy

    -Rob
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  9. #21
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    Yeah looks good dude, I wasn't so sure if light reflected off a shadow side of an object would effect a cast shadow (i.e. the blue added into your shadows from the blue block.) so I checked it real quick in a real life situation, sure enough, not very intense but it's there! Good stuff.

    I should have time to do this over the weekend, maybe a new exercise too. You think of anything you can teach/setup Romance?

    Where is everyone else? You guys suck
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  10. #22
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    Added new link to top:
    More than you ever wanted to know about light (Amazing)
    http://science.howstuffworks.com/light.htm

    Found this while seeking proof to all the thinking I've been doing about light, some real serious stuff here. If you can get past the scientific garble there is a lot of stuff that is very useful to artists I think.
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  11. #23
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    Heres a quick one with a different light source. Hope this looks ok.

    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !

    Idiot Apathy: I checked out the first couple pages of that link on lighting, looks extremely informative. I'll check out the rest of it when I find more time. Too busy building my portfolio at the moment. Hope to see your entry soon

    -Rob
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  12. #24
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    @Romance: Looking good dude, I don't know about the amost pure black background, there should be at least some color/value I think. Is it me or is the way you have your cast shadows mean the lightsource is on the page? Like it would almost block our view of some of the blocks?

    Ok, finally sat down and did this one:
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    ( A little "overexposed" and "fuzzy" I think... not to mention the boring light direction )

    Here's the notes I took while doing this, sorry I didn't have time to condense and re-order them.

    My core shadows turned towards my ambient color of blue, so orange to red and cyan to blue.

    Now all of my blocks have equal values on all sides (i.e. top of big block = top of small blocks in value.) I just did this by eye and what I wanted however I think it is very different to remember that most things will have different values. (Unless they are exactly the same in the same lighting situation.)

    The amount of light reflected off an object depends on what the object is made from. You could say that these are all wooden blocks however if they are different colors then you could assume they are painted different, the paint is what is reflecting light now.

    You may notice that on the small block on the right that is furthest from us the darkest part is a different color than the closer small block. If light is reflected off the same color object then the intensity should go up (there is more of this specific "blue" blue light), and of course because it is light it should also raise in value. (I've probably overdone it here though, a bit exagerated perhaps?)

    Btw, Orange is the complement to blue, that's why is stands out so much in this blue enviroment.

    - - - - - - -
    @Everyone: If there is a reason your not participating shoot me off a PM and let me know why, it would be most appreciated.

    I should have time later tonight to do another exercise, I think it will be lighting in 2 point perspective.

    Cheers!
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  13. #25
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    Project #3:
    Various Lighting on the Same Object.


    This is one I'd do a lot in the New Media Coloring Book, take the same lines and think of new ways to light them. It was especially helpful in thinking of what lighting would be best for the composition as well as overall good practice for shadows etc.
    - - - - - - - - - -
    The Guidelines: Edited: Updated
    A: Do the project and create a dialogue of what you did and why. (Try and think about this while you do the project, this is important; we will be better able to learn from each other as well as catch each other's mistakes.)
    B: The Dialogue will be analysed by your peers; (Right or wrong, the idea is to have a reason why and explain it. I think this will be key )
    C: And of course at the same time peer critiques will be offered. (Pretty simple no?)
    D: You shouldn't have to spend a large amount of time on this however spend as much time as you need, give it your best.
    E. All Projects/Exercises are of course optional, have no order, and are always open to participation. Start wherever and whenever you want!
    F. People who are too embarassed to post their results will be shot on sight, you're here to learn not to show off.
    - - - - - - - - - - - - -
    I strongly recommend you read the discussions and analyses within others posts that are between exercises. I see a lot of the same advice being repeated. Read through this for your sake; I mean don't you want to learn faster?

    This being said, sometimes advice or critiques will be given that may be incorrect, or misconceptions; I most likely am not innocent of this either. If you spot mistakes be sure and correct them! Don't confuse these with opinions however, which are never wrong only different.

    - - - - - - - - - - - - -
    On this one keep everything simple, the shapes the light everything!
    Step One: Take a public domain photo and break it into very simple shapes. At the bottom I've provided some great public domain photo sites as well as some photo's I found that you might want to do. (The whole idea is to do these projects fairly quickly to get the main idea, finding a proper photo might take a while.)
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !- - -!!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Step Two: Here I took the photo and converted it to grayscale just to make it easier. I then set up some really simple guidelines to keep it in proportion. (If you must you can trace over your reference but remember tracing is a crutch and you'll soon get weak if you don't practice without it!). It's not perfect nor should it be, that's not the point of the exercise. Hammer this puppy out!
    Step Two: Create two or three different lighting situations and roll with it! Just do this exercise in grayscale to keep it fast and don't forget your shadows!

    Public Domain Photo Links:
    http://www.imageafter.com/
    http://www.morguefile.com/
    http://www.sxc.hu/

    Some images: (Click for Link to High Res!)
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !!!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !!!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !!!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !!!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !!!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !!!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Feel free to use your own links or make something up entirely! Just keep it simple!
    Last edited by Idiot Apathy; January 7th, 2006 at 07:53 PM.
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  14. #26
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    Going to post my results just so there won't be any confusion.
    Again, grayscale photo and some guidlines then some quick lines. Sloppy and quick, spend as much or as little time here as you want, just keep it simple.
    #1
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Front lighting, very simple and very boring. Not much in the way of visible shadows, fun though.
    #2
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Lit from the left, cool shadow on this one.
    #3
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Lit from the Top Left Rear... I think I got bored and became lazy on this one, it's Oogly.


    5-10 minutes each, hammer these out. The point is to get the general idea out really quick, like a thumbnail. Later you could use this to decide how to light your subject best.
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