Use this dialog box to control what happens to image data outside the mask boundary.
- Enable Mask
-
Enables an existing mask for display. Enabling allows you to view the image clip as defined by the image mask.
Image(s) Outside The Image Mask
- Do Not Affect
-
Specifies that the images outside the mask boundary are not modified.
- Hide Image(s)
-
Hides the images that are outside the mask boundary.
- Unload Images
-
Unloads from memory the images that are outside the mask boundary.
- Show Image Frame(s)
-
Specifies the visibility of image frames. If you choose Hide Image(s) or Unload Image(s), then you can select this check box to show the hidden or unloaded frames.
Define Image Mask
- Rectangle
-
Draws a rectangular mask.
- Polygon
-
Draws a polygonal mask.
Note: Use the
Options dialog box to specify the default mask properties.