Original genga are done on white paper. Correction genga (shussei? I can't remember the Japanese termcutiebunny wrote:Douga is generally done on white paper(with holes punched at top), while genga is generally on yellowish paper(I've also heard that pink and blue have been used, but, yellow is the most prevelant).
) are usually done on yellow paper, and I've seen pink, blue, and green, too. A blue correction genga.
The different colors might mean something, but I'm not sure what.
A good rule of thumb is to remember that douga will always, always have the sequence number in the right corner. If the registration holes are on the top, it will be in the upper right hand corner. If they're on the bottom, it'll be in the bottom right hand corner. Genga, if they have registration numbers, will be in the middle of the sheet. Some don't have the numbers, especially some correction genga. Genga, and especially correction genga, are done on thinner paper than douga, so that the animators can stack the correction genga on the original to see the changes and the full scene, as corrections tend to be partials.
Genga are used for planning the sequence. You cannot animate the entire scene with genga. What they do is show the very beginning and very end of the sequence, and some key points inbetween. Douga are what actually animates the scene, and what get used to make the cels, and nowadays, what get scanned into the computer for CG coloring. Key douga are traced from genga, so all key cels come from a genga image (which is why key cels are sometimes called genga cels on Japanese auctions). All other douga are inbetweeners, because they come inbetween the key douga. Genga are drawn by more experienced animators, so they (and consequently, key cels) are oftentimes more valued by collectors.
Layouts are another piece of paper you can buy. Technically, they're called genga layouts in Japanese, because they are part of the artwork used for planning the scene. They can contain the entire scene or be broken up into a background layout and a character layout (the character layout that came with this cel was a copy, so I didn't display it; here's the cel). In either case, the layouts are done on special white paper with preprinted boxes and lettering at the top, including studio information. They will fill out the episode number and the cut number(s) on the top, and will often write out the title of the anime (usually just an abbreviation of it).
Hope that helps!
I've also often wondered at the difference in prices. E.g. for Bleach, correct me if I'm wrong, the layout and BG sets seem to be cheaper than the sketches. Sketches with more defined lines and more details i.e. dougas also seem to fetch higher prices.
