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.

Zoom :

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.