The Lasso Tool (L) is used to group-select odd or irregularshaped areas of your drawing. After areas are selected, they can be moved, scaled, rotated, or reshaped as a single unit. The Lasso Tool can also be used to split shapes, or select portions of a line or a shape. As shown in Figure below, it has three options in the Options Tray: the Polygon Lasso, the Magic Wand, and the Magic Wand properties.
The Lasso Tool and options
The Lasso Tool works best if you drag a loop around the area you wish to select. (Hence the tool name Lasso!) But if you slip or if you don’t end the loop near where you started, Flash closes the loop with a straight line between your starting point and the end point. Because you can use the Lasso Tool to define an area of any shape limited only by your ability to draw and use the multiple selection capabilities of Flash the Lasso Tool gives you more control over selections than the Arrow Tool.
Using the Polygon option with the Lasso Tool
The Polygon Lasso affords greater precision when making straight-edge selections, or in mixed mode selections that combine freeform areas with straight edges. To describe a simple polygon selection, click the Polygon option to toggle the Lasso Tool on and commence Polygon selection mode. In Polygon Mode, selection points are created by a mouse click, causing a straight selection line to extend between mouse clicks. To complete the selection, double click.
Mixed mode usage, which includes Polygon functionality, is available when the Lasso Tool is in Freeform Mode. To work in Freeform Mode, the Polygon option must be in the off position. While drawing with the Freeform Lasso, press the Alt (Option) key to temporarily invoke Polygon Mode. (Polygon Mode continues only as long as the Alt (Option) key is pressed.) Now, straight polygonal lines can be described between selection points that are created by a mouse click. That is, as long as the Alt (Option) key is pressed, a straight selection line extends between mouse clicks. To return to Freeform Mode, simply sneeze—or release the Alt (Option) key. Release the mouse to close the selection.
Using the Magic Wand option with the Lasso Tool
The Magic Wand option of the Lasso Tool is used to select ranges of a similar color in a bitmap that has been broken apart. After you select areas of the bitmap, you can change their fill color or delete them. Breaking apart a bitmap means that the bitmap image is subsequently seen by Flash as a collection of individual areas of color. (This is not the same as tracing a bitmap, which reduces the vast number of colors in a continuous-tone bitmap to areas of solid color.) After an image is broken apart, you can select individual areas of the image with any of the selection tools, including the Magic Wand option of the Lasso Tool. You can restore a broken bitmap by selecting the entire image (this causes it to look like a negative relief), and then choosing Modify⇒Group from the Menu Bar. The equivalent shortcut is Ctrl (Command)+G.
Using Magic Wand properties
The Magic Wand properties option has two modifiable settings: Threshold and Smoothing. To set them, click the Magic Wand properties button while the Lasso Tool is active.
The Threshold setting of the Magic Wand option
The Threshold setting defines the breadth of adjacent color values that the Magic Wand option includes in a selection. Values for the Threshold setting range from 0 to 200: The higher the setting, the broader the selection of adjacent colors. Conversely, a smaller number results in the Magic Wand making a narrower selection of adjacent colors.
The Smoothing setting of the Magic Wand option
The Smoothing setting of the Magic Wand option determines to what degree the edge of the selection should be smoothed. This is similar to antialiasing. (Antialiasing dithers the edges of shapes and lines so that they look smoother on screen.) The options are Smooth, Pixels, Rough, and Normal.
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Understanding The Flash Framework
Exploring The Interface: Panels, Settings, And More
Using Tools For Navigation And Viewing
Working With Selections And The Pen Tool
Working With The Drawing And Painting Tools
Working With Text
Exploring The Timeline
Checking Out The Library: Symbols And Instances
Drawing In Flash
Animating In Flash
Using Bitmaps And Other Media With Flash
Designing Interfaces And Interface Elements
Understanding Sound For Flash
Importing And Editing Sounds In Flash
Optimizing Flash Sound For Export
Understanding Actions And Event Handlers
Navigating Flash Timelines
Controlling Movie Clips
Sharing And Loading Assets
Planning Code Structures
Creating Subroutines And Manipulating Data
Understanding Movie Clips As Complex Objects
Sending Data In And Out Of Flash
Understanding Html And Text Field Functions In Flash
What Is Generator?
Revving Up Generator
Working With Third-party, Server-side Applications
Working With Raster Graphics
Working With Vector Graphics
Working With Audio Applications
Working With 3d Graphics
Working With Quicktime
Working With Realplayer
Creating Full-motion Video With Flash
Creating Cartoon Animation With Flash
Planning Flash Production With Flowcharting Software
Working With Authoring Applications
Publishing Flash Movies
Integrating Flash Content With Html
Using Players, Projectors, And Screensaver Utilities
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