Flipping - 14262

Illustrator Draftsman 3 & 2 - Volume 3 Executionable Practices
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Animation, Continued Flipping Creating the cel Coloring the cel Photographing the cel Computer- generated animation Flipping is the process of rapidly flipping through the completed drawings in rapid succession to make sure that action flows smoothly. Gather copies of original drawings, correctly sequenced, and rapidly leaf through them. If you notice jerky or unnatural movement, indicate corrections on the copies. Correct the original drawings after character movement on the copies appears to flow. Creating the cel from the original artwork requires copying the art, either photographically, electronically, or by diazo onto a clear acetate base. The image should appear on the clear acetate base as a black line image. Because cels are acetate based, inks, oil, and acrylic paints will not adhere to them. Use specially formulated color paints, available in many colors, to paint on the cel. These paints are flexible and will not crack off when dry. Paint the reverse side of the cel (when the image is backward to you) and paint within the lines. Thoroughly mix paints before applying them to the cel or streaks may appear when viewed from the front side. Allow extra drying time for acetate-based paints to dry. Acetate-based paints dry slowly and may dissolve previous paint layers if they are not dry before you apply the next color. Use permanent markers to color acetate when you want to exaggerate texture and streak marks. Once painted, place the cel on prepared background images or textures and photograph with standard slide film. Be aware of the potential effects of glare from the camera lights. Finished slides may be shown in standard slide projectors, slide projectors equipped with a programmer (programmed up to 20 frame per second), or fed into computers. Several animation software programs exist to greatly simplify creating animation graphics. The theory of animation remains unchanged. You still define the extreme range of action the character is to make, determine the amount of time to begin and complete the action, and translate time to frames per second. This is the number of separate images required to portray the action. You must draw the images at the beginning and end of the action sequence. The computer software draws the images in between the extremes. 4-14

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