tailieunhanh - Illustrator CS4 for Dummies phần 5

Chapter 7: Wielding the Mighty Pen Tool modify an existing smooth or straight-corner anchor point. Which type you modify depends on where you want the curve to go: ✓ If you want the curve before the anchor point (the existing line segment is curved), you modify a smooth anchor point. ✓ If you want the curve after the anchor point (the existing line segment is straight), you modify a straight-corner anchor point. Figure 7-4 shows a combinationcorner anchor point in the middle of a path. Figure 7-4: A combination-corner anchor point. 137 Starting with a smooth path To create a combination-corner anchor point from a. | Chapter 7 Wielding the Mighty Pen Tool 137 modify an existing smooth or straight-corner anchor point. Which type you modify depends on where you want the curve to go If you want the curve before the anchor point the existing line segment is curved you modify a smooth anchor point. If you want the curve after the anchor point the existing line segment is straight you modify a straight-corner anchor point. Figure 7-4 shows a combinationcorner anchor point in the middle of a path. Figure 7-4 A combination-corner anchor point. Starting with a smooth path To create a combination-corner anchor point from a smooth one so that the curve precedes the anchor point follow these steps shown in Figure 7-5 1. Click and drag the Pen tool. Start in the upper-left quarter of a blank Illustrator document. When you re there click and drag up and to the right for your first drag. 2. Click and drag the Pen tool at another location to create a curved line. Start your second drag at a place roughly parallel to your original starting point and about an inch to the right dragging down and to the right. Figure 7-5 Steps for creating the path shown in Figure 7-4 when starting with a smooth path. To see what you re doing you have to draw at least one line segment before you change the anchor point. That s the rule When you complete Step 2 the most recent line segment ends in a smooth anchor point. 3. Click don t drag the smooth anchor point that appeared after you clicked and dragged in Step 2. The direction point handle that extended out from the anchor point disappears. 138 Part II Drawing and Coloring Your Artwork 4. Move the mouse pointer to a place about an inch to the right of the most recent anchor point and click. A straight path segment straight because it s free from the influence of the direction point appears. After you click the two direction points handles disappear from the curved line that you drew in Step 2. The anchor point from which you drew your new straight segment is a

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