| iTool User's Guide: Visualization Properties |

## 2D Annotation Layer Properties

The Annotation layer appears in the Visualization browser.

Figure D-31: Visualization Browser with Annotation Properties Displayed

Figure D-31: Visualization Browser with Annotation Properties Displayed

The following types of annotations can be added to iTool visualizations: Text, Line, Line Profile, Rectangle, Oval, Polygon, and Freehand annotations. The following table contains properties that control the Annotation layer. Subsequent tables describe the properties specific to each type of annotation.

Table D-63: Annotation Layer Properties

Table D-63: Annotation Layer Properties
Property | Control Type: Values
--- | ---
Background color | Color: Color to be used for the Annotation Layer background. For background to display, Transparent property must be set to False. Click to choose from the default color palette, or specify RGB values. Default = `[255,255,255]` (white)
Transparent | Boolean: Make the annotation layer transparent? Choose True or False. Default = True

IDL Online Help (March 01, 2006)