Challenging myself (part 2)

Previously I told you about the challenge I set myself. Now I'll go a little deeper and tell you about framerates and keyframes.

But first, here's where I come from.
In previous animations I studied motion. Big motion, small motion, slow motion, fast motion.
Here's one of the animations I made:



What did I learn from my animations?

First off, I looked at the fluency of the motion. When did the animation flow really smoothly, and when did it stutter too much?
Anyone remotely familiar with how movies work can tell you that more frames in each second of animation gives you a smoother image. 24 frames per second (fps, or framerate) is enough for movies to look good, and is a standard amount.
Imagine making 24 drawings for each second of movie. That would be a lot.
Now imagine making 1440 drawings for each minute, and a staggering 43200 for half an hour of animation. That's about one episode of television animation, which needs to be done every week.
So animators cheat a little. Often, they skip a frame, drawing only on each second frame (frames 2, 4, 6 etc.). This is called animating 'on twos'. Sometimes they also animate 'on threes', skipping two frames and drawing only each third one.
This will save an animator a lot of time, but how does it look in an animation?
Short answer: it looks bad, because it stutters and the eye can tell the separate frames apart. The illusion of motion is gone.
In my animations, I also noticed that subtle motions are lost in lower framerates. In lower framerates, a big motion like the moving of an arm would still be visible. But the blinking of an eye would be gone. Someone shaking their head from laughter looks incredibly weird, with the head seemingly instantly moving all over the place because there are no frames in between to show the head moving from one place to another.
So a higher framerate is better.
Digital camera manufacturer RED has written an article on why they started pushing this further, shooting in higher framerates beyond the standard 24 to 48 and even 60 fps, and share some examples so you can see for yourself.
One result of theHigh Framerate (HFR) is that small movements become visible in actor's expressions. This seems very important to me, and I'd like to take this with me for my new animation.

But I'd also like to have some time left in my life to see my friends, family and loved ones instead of drawing all day long.
I learned something else from my animations that might help me.
In animation, the animators first draw a few important frames which will be the key to making the animation work well. Let's use an example of a bouncing ball, with the animation first, and its frames below it:



Images from Wikipedia's Public domain images. Made by Wikipedia user Branko.

Which frames are important?
The first and the last are important, because they tell us two things: when does the motion start and end, and also where it starts and ends. It starts on frame 1 on the floor, and ends on frame 6 on the floor again. So these are the first two keyframes. But what happens if these were the only two frames, and someone else would come along and draw the frames in between (just like your brain fills in the blanks between each frame)? He'd see that the ball was on the floor in the beginning, and would still be on the floor at the end, but how would he have guessed that the ball is supposed to go up? Another keyframe is needed somewhere in the middle to show the path of the ball.
Which frame this will be is just as important as where the ball is drawn in it because that shows the speed of the motion:
If the ball would go up really like a bullet but then land like a feather it will reach it's highest point a lot earlier and our middle keyframe will be put closer to the beginning than to the end. And vice versa, if it would go up slowly then crash down, the middle keyframe would be put nearer to the end of the animation.
If the inbetweener would come back now to draw the frames in between, he would now know that the ball is supposed to go up, and how many frames he needs to draw of the ball going up and back down again.
Now there's one question that I asked myself when animating. How many frames would I need to draw in between each keyframe?
What if the ball was actually supposed to stay on the ground. If we had only frame 1 and 6, we already concluded that those were enough. For a simple motion like the ball above, we'd need six frames total for about one second of animation. Did you read the RED article I linked to above? Then you have seen that a complex motion like the motorcycle jump is best displayed at a really high framerate like 60fps.
It's safe to say that different kinds of motion need a different minimum amount of frames.
One of the things I will be trying to do with my animation is try to capture complex and small movements like that of an eye or a speaking mouth, and to make it look better than what you'd expect from the animation one can see every day, drawn on twos or threes. For that I'll need higher frame rates. But at the same time I will also want to keep the amount of work I need to do to a minimum.
Why not have both?
Here's my first challenge:

Draw at a variable framerate, using what's needed for the motion, up to 48fps.

I hope this will make it possible to add subtle details to my animation, and enabling me to draw more complex expressions on characters and make fast motion look less jagged than what's expected of hand drawn animation.
But there's one more challenge I'd like to set for myself, which has to do with acting. I'll tell you about that in my next post...

Challenging yourself (part 1)

Trajan's Column in Rome (Public Domain image from Wikimedia Commons)

I think the best work is made when you are challenged. Maybe you get challenged by something you want to explore, or maybe by limiting yourself.
The latter happens the basis for the movie 'The Five Obstructions', a film where Lars von Trier challenges his creative mentor Jørgen Leth to recreate his most famous movie five times. And for every remake von Trier gives him a very difficult challenge, like limiting him to only 24 frames.

Now I want to challenge myself. But where can I look for challenges? Let's look at art in general for a moment.
With the current method I'm using at my internship, I teach my pupils an artwork consists of three elements they need to know (aside from the artist and the time in which a work has been made).
I will very loosely translate these into english for you.

First there's the contents, or 'what does it depict?'
A portrait depicts a person, an illustration tells a story ( it 'illustrates'). A good example would be Trajan's Coulmn which depicts Trajan's two victories over the Dacians. In an animation, it would be the story.

Next is the visual design, 'how does it look?'
Is it stylized like a comic book or manga, very abstract or very realistic? Which colors are used? There are a lot of questions you can ask here. I like to look at the composition of images and the colors that are being used, so I tend to look at the design of things first.

The last element is the function of the work, 'why is it made?'
Trajan's Column is made to commemorate Trajan's victories. Superhero movies are usually made to entertain. Art can also be made to say something about societies, sometimes because the artist agrees with the society, sometimes to show that something is horribly wrong with it.

Function is also where I want to challenge myself. Because I love hand drawn animation, but I think it's not getting all the love it could get.
You see, I keep up with a lot of the technical developments that happen within animation both hand drawn and computer animated.
And I read about Motion Capture, and HFR, and hair and cloth and water simulations. About sub-surface scattering, self-shadowing, real-time editing in games and the latest shader techniques.
But I rarely read about new techniques in animation, and that saddens me.

So there's my challenge. Why can't some of the breakthroughs in other animation forms be used for hand drawn animation? And I will not accept 'because it's too much work'. Lazy bums ;)
I will make this animation to show to push hand drawn animation a little bit further than it is now.

Which breakthroughs will I try to use and how? I'll tell you in the next part...

An introduction

Before anything technical starts, let's get acquainted!

My name is Joris, and I am a student of the Visual Arts and Education.
This blog will feature a little bit of both. You see, I am about to start an animation project for school and I'd like to tell you about everything that happens.
If you would like to comment, ask a question, or simply give a like consider this an invitation to do so -I'm nowhere near professional yet, and I'd love to put your good advice into practice.
I'm looking forward to your reactions and input.

In the next few posts I will tell you about my goals for this project, my references and I hope I'll be able to show you my storyboard and how I made it.
See you again soon!