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7. The Menus / 7.6 The Tool Menu

### 7.6.31 Lasso/Extract Selection

Extract Selection has 3 subtasks:

- You can smooth the edge of the mask. This doesn't use simple blurring, but instead filters the edge according to the content of the selection. Smoothing is mainly useful as a post-processing step after using the Border Matting tool (chapter 6.3.8).
- The edge of the selection always contains colors of the background, too. These are disturbing, if the selection is copied to another picture. Remove Color Border is removing these background colors.
- The result of the Extract Selection can be placed on the clipboard or a new layer or document can be created. If you didn't activate Remove Color Border, you can replace the active mask, too.

In order to inspect the impact of the current settings better, you can define a background color for the dialog preview.