Adobe illustrator 10 Manuale Utente

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Adobe Illustrator Help
Drawing 
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Averaging anchor points
The Average command lets you move two or more anchor points (on the same path or on 
different paths) to a position that is the average of their current locations. 
To average anchor points: 
Use the direct-selection tool   to select two or more anchor points. (See 
Choose Object > Path > Average.
Choose to average along both axes, or the horizontal (x) axis only, or the vertical (y) axis 
only, and click OK. 
Joining endpoints
The Join command connects the endpoints of an open path to create a closed path or 
joins the endpoints of two open paths. 
If you join two coincident endpoints (endpoints on top of each other), they are replaced 
with a single anchor point. If you join two noncoincident endpoints, a path is drawn 
between the two points.
To join two endpoints: 
Use the direct-selection tool   to select the endpoints. (See 
.) If the endpoints are coincident (on top of each other), drag a marquee through 
both endpoints to select them. 
Choose Object > Path > Join. A line is drawn, joining the two endpoints.
If the endpoints are coincident, select the Corner option (the default) or the Smooth 
option to specify the type of join you want.
Click OK. 
Drag a marquee through the coincident anchor points to select them (left), and choose the Join 
command (right).
Drawing shapes 
You can create many objects in Adobe Illustrator by starting with basic shapes. The tools in 
Illustrator let you easily create rectangles, ellipses, polygons, spirals, and stars.
Drawing rectangles and ellipses
Adobe Illustrator provides two rectangle tools and one ellipse tool that let you quickly 
create these common graphic objects:
The rectangle, rounded-rectangle, and ellipse tools let you draw rectangles (including 
squares) and ellipses (including circles) by dragging from one corner of the rectangle or 
edge of the ellipse to the opposite corner or edge.