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

  1. #40
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    @Rebecca : I hope your photobucket account resets soon... I want to see these again, maybe I can make myself clearer.

    For everyone else, this is what I wrote in her sketchbook when she posted them there:
    Quote Originally Posted by Idiot Apathy
    The exercises from the Peer Project Thread turned out really nice. There isn't any due dates or lateness, it's supposed to be open the whole time, all the activities going on at once. ... (edited)

    Good job on the Color Spheres, your values are really pretty close. The reflected light was a bit rough huh? I think you got the idea of the exercise though, too often value is forgotten in colors. I like your colored blocks as well, good job on the values but watch your intensity; most of the blocks are the most intense on the back darkside. They are different colors so the light reflected onto the back would appear differently on all of them. I.e. Red light on blue might dull it a bit or even turn it closer to blue violet, but of course it would raise the value a bit (it's still your dark side though!). Blue light on a blue block would raise the intensity and still of course the value (adding light!). Hope I'm making some sense...

    Your shadows are just a bit odd, such confusing things aren't they? Generally with one light source the lines of your shadows from different objects should run in the same directions. Right now it's almost like several lights. ... (edited)
    @Zoeli : Damn dude, I'm impressed. The headphones are really great, especially your shadows and the soft ear part. How did you get the shadows so seemingly accurate? Did make them up or set up a reference? Anyways, look forward to see more!
    - - - - - - - - - - - - - - -

    All right, bout damn time for a new Project, it's taken me so long for a few reasons. One, obviously, is I've been busy and this takes some work. It is midterm season after all. Two, I don't want to lead anyone astray, a lot of this stuff I've figured out on my own and haven't been able to varify it yet. Other things I've just barely learned and haven't mastered. I've convinced myself it's worth the risk of a small amount of potential misinformation if it gets people thinking right? After all this project wasn't set this up to teach, it set was set up to learn.

    Yatta yatta, 'nuff jabber.
    Next up is a Project.
    Last edited by Idiot Apathy; November 1st, 2005 at 12:03 AM.
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  3. #41
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    A Horrible Quickie Primer on Additive Color Theory Before the Next Project:

    So, subtractive is how light is absorbed, paint absorbs some colors of light and reflects others. Different colors of paint combined absorb different amounts of different hues. (Wow, thats some confusing wording!)
    "Additive Color Theory can only be done with actual light, for example a movie projector or your monitor. If you've ever gotten a drop of water on your monitor you've probably seen large spots of Red Green and Blue.
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Combining one of these additive primary colors with another in equal amounts produces the additive secondary colors cyan, magenta, and yellow. Combining all three primary lights (colors) in equal intensities produces white. Varying the luminosity of each light (color) eventually reveals the full gamut of those three lights (colors)."

    From: http://en.wikipedia.org/wiki/Additive_color

    So instead of eventually leading to black when you mix colors you are headed towards white or full spectrum light. I believe all the hue mixes still apply, i.e. equal amounts of red plus equal amounts of yellow would be orange, but I'm not positive.

    Ok, now the project!
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  4. #42
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    Project #4:
    Basic Reflected Lighting.


    Even if your in a completely dark cave with just one lightsource, that light is going to reflect all around you, it may not be as pronouced as most situations but it is there. (Well, theoretically if the walls, floor, ceiling, you and your clothes where all the blackest black all the light from the lightsource would be absorbed and none reflected, but you wouldn't be able to see anyways...)

    Light is reflected everywhere but it is most noticable in core shadows and cast shadows* because there is less interfering light. (Think about a monitor in sunlight and then a monitor at night with the lights out.)
    *(The core shadow is on the object the cast shadow is "cast" behind the object).

    So, a simple exercise:
    - - - - - - - - - -
    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.

    - - - - - - - - - - - - -
    The Template:
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Part A:
    The background is a neutral gray, there are no hues in it so all light is reflected equally. So the background will only influence value and will not create a hue shift, ignore it outright if you want; it won't make a big difference for this. The Sphere is also a neutral gray, it too reflects all light equally. Now remember natural light contains the full spectrum of color but reflected light is what has not been absorbed into the object that reflected it. So the main idea of this is the light reflected off the paper.

    Step One: Take the template and prepare it for however you like to work, maybe a multiply/gel layer or using a selection tool. Seperate the sphere and the paper to make it easier if you want. Your going to do a total of six of these so make it easy to start over after you've finished one.
    Step Two: Using a very basic lightsource (above, above left etc.) shade the Sphere with just black and white, save three copies or work with layers for the next part.
    Step Three: For this part you are going to do three different setups'. The sphere will stay a neutral gray but the paper is going to change color. Here is a quick layout:
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Sheet One: A Medium High Intensity Red as Possible Sheet Two: A Medium High Intensity Yellow Sheet Three: A Medium High Intensity Blue.
    Try and figure our what happens to the sphere, remember your not only adding light but your adding intensity now!. Do all three then move on to Part B. Oh and don't forget a cast shadow! It shouldn't change hue only value!

    Part B:
    Step One: Three more this time with a twist, got your template ready? Here is the layout:
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Sheet One: Medium High Intensity Red Paper with Medium High Intensity Red Sphere
    Sheet Two: Medium High Intensity Yellow Paper with Medium High Intensity Red Sphere
    Sheet Three: Medium High Intensity Blue Paper with Medium High Intensity Red Sphere

    Step Two: Shade the Red Sphere with just the natural and neutral light, ignore the paper for now.
    Step Three: Add the reflected light from the paper, think about what light would reflect from the sphere into the cast shadow.
    Try and figure out what will happen with both the sphere and the paper, remember your adding light (value) as well as mixing hues.

    Right, looking forward to the results; have fun!

    Please post any suggestions, corrections and comments!
    Last edited by Idiot Apathy; January 7th, 2006 at 07:53 PM.
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  5. #43
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    @Everyone and Anyone: Seems this thread is dead or dieing. Is it because it sucks? Tell me what's wrong and/or how to improve it. Is it just hidden back here? Should I try and get it moved somewhere else? Where?
    - - - - - - - -

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

    I shrunk it down a bit so it wouldn't resize your window, 800px width if anyone else cares. (hopefully!) Pretty straight forward, I reckon the reflected light would be less intense and lower in value than the light reflected off of the paper into our eyes.

    The cast shadow (which aren't so great...) wouldn't have that much if any color reflected into it so its mainly a drop in value and intensity.

    Part B:
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Red on Red: Because both the paper and the sphere's local color was the same red I figured the reflected light on the sphere would be more intense than either of them. and of course higher in value than the core shadow because I was adding light. Again with the cast shadow I thought very little light other than the neutral enviroment light(gray background) would be reflected into it so I dropped the intensity just a little less than usual and the value about the same.
    Red on Yellow:
    I think when mixing different hues of equal intensity the result will be less intense. I figured a pure red with an equal amount of pure yellow should yield an orange; so I ended up with a fairly intense (red and yellow are pretty close on the color wheel so they shouldn't dull each other too much) orange as the reflected light. Core shadow again, small hue shift less intense and lower value.
    Red on Blue:
    Red is pretty far away from Blue on the color wheel so they will dull each other out pretty quickly. Reflected light was a pretty dull violet. Core shadow little bit of a hue shift, lower value less intense.

    Please post any questions comments or corrections. (oof all my shadows are different huh?)
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  7. #44
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    Please stickify this one! great stuff, will start grinding these right away
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  8. #45
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    Thanks for the support Aether, hope to see some stuff soon!

    I quickie-freehanded another one in a blue enviroment with a warm light.
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    The lightsource I made up was pretty warm almost like an indoor light I guess. Where this light source hit the orange sphere it became not only higher in value but closer to the hue of the lightsource. Intensity also when up but not as much as it would if the lightsource was Orange. Core shadow probably should have been a little less intense because the light reflecting off the blue enviroment would dull it (pretty much completmentary hues no?). Cast shadow is actually a really dull red-violet. So dulled out by the blue enviroment and hue-shifted a little bit towards blue as well.

    Just another thing to practice with, I do this sort of thing from time to time to stretch my brain. I learn from almost every one I do including this one.
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  9. #46
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    hey idiotapathy,

    you´re doing a gread job here, your engagement is much appreciated.
    keep it up :thumbsup:
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  10. #47
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    I'll give it a try later. This looks like a useful thread.
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  11. #48
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    Thumbs up

    Hey, men, very useful!
    Great job! Keep on moving!!!
    My english not is the better but i wish you understandme

    Blog - 1xsemana / 1 for week
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  12. #49
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    Hmm, thanks for the support guys, Really appreciated. So now I gather it doesn't suck, but why aren't people participating?

    @Everyone, especially the lurkers: What's up? You don't want to participate? Tell me why at least eh? Got to figure this out or all is naught.
    - - - - -
    Did another quickie to stretch out again:
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Check out the (simulataneous contrast?) going on between the orange sphere and blue background, almost hurts...
    - - - - -

    Not sure what to move onto next, any ideas? Anything that's been bugging you? Not sure what I can teach but let me hear your thoughts!

    Also, anyone else out there feel they can teach something in a short exercise?
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  13. #50
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    I may join this tomorrow (today - 0216) or in the future; when I awake from a good 5 hours of sleep. *fingers crossed*
    This place looks much more promising than the DSG. Hehe.
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  14. #51
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    I'm still catching up here.

    Idiot Apathy: The shadows on my last post were done without reference, just trying the best I can to figure it out from the lightsource

    Anyways, here's my take on the first project.
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !

    So, not too bad, I think. Lighter than the original, which is different from a lot of other attempts that end up darker. That's kinda interesting to me...Anyways, my specular is also not as bright as the original, or in quite the same position.

    I think the differences are more easily seen here:
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !

    Anyways, I'm gonna keep working through these

    *sighs*

    It's lonely in here
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  15. #52
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    Quote Originally Posted by Zoeli
    It's lonely in here
    Boy is it ever! Sorry I forgot to reply until now, this thread must be in quicksand or something.

    Anyways, good results on the spheres. It sounds like you tried this exercise out before? If that's the case I think I know why your purple sphere turned out lighter rather thay darker.

    Try this out, do a few more spheres trying to match the values to the grayscale. Do one yellow and one purple. Maybe a Red and a Green if you have time! I'm going to do this when I have time, maybe tomorrow.

    *Skip this next part until you do it/unless you don't want to do it*

    If your eyes and practices are trained or if you do this pretty instictivly, I think the yellow one will turn out darker than you'd expect. The Concept of yellow is a very bright color, when it loses intensity or value it almost always feels green to me. Your Purple sphere will probably turn out a little lighter too. The Concept of Purple is a very dark color generally so if you think "This sphere is purple" you will tend to stay in the general concept of purple. Now Red and Green I would say are pretty close in value, or rather the concept of red and green are close in value. I think these spheres would turn out about the same, they might not match your grayscale sphere however. I'm not entirely sure how to explain this yet but Colors have Values, not just the concepts of colors but I think it's deeper than that. (I'll let you know what I find out.)

    For a real kick, try a multi-colored sphere: try to use say purple for your darkest and yellow for your lightest. See what works in between... you know what; maybe this will be the next exercise? But it seems kind of pointless when it's this lonely in here ya know?

    Edit: Threw this together to show a little more what I mean; These are the colors of the Modern Color wheel. They are all at the same Brightness level on the Color Picker (80) and the same Saturation (100%). Do they look like the same value to you? Try squinting if you can't tell.
    !!Peer Project!! Foundational Activities - Learning, Teaching, and Toast !
    Here is a grayscale to give you an approximation: It's a link so it won't ruin the above.
    http://img.photobucket.com/albums/v1...Untitled-2.jpg
    Maybe this is a flawed example (Of course I did it...) but I'm pretty sure the theory still stands. Like I said, need to do some further research. You know I really expected purple to be the darkest.

    On a side note; if you are trying to get a black and white image out of a colored one DO NOT desaturate, don't just take all the saturation out. You need to convert it to grayscale. If you had just desaturated the colored bars above they would become one big bar of gray.
    Last edited by Idiot Apathy; November 19th, 2005 at 06:22 AM.
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