Clean-up the sequence
Once the drawing has been scanned, it is possible to :
* Delete white or gray pixels to imitate the use of a true animation overlay (this operation is necessary for later coloring as well as for use with a background).
or will give :
* Clean up your drawings in order to correct rough pencil lines.
To obtain this result, use the feature Basic scan cleaner, available in the Image menu, specially designed to accomplish the two aforementioned operations in a few clicks. You can also use the FX > Color > Scan Cleaner Black and White, if the parameters of the Basic scan cleaner does not fit to you. FX stack will be discussed in lesson 12.