tailieunhanh - Learning AutoCAD 2010, Volume 1 phần 6

Thực hành sử dụng tùy chọn lựa chọn: s Bắt đầu lệnh Erase. Tại các đối tượng Chọn dấu nhắc, nhập L và nhấn ENTER. s Thông báo đối tượng cuối cùng rút ra được tô đậm. ENTER để thực hiện lệnh. | Array Dialog Box Polar Array Click to select the object s to include in the array. Enter the center point s coordinates in the X and Y fields or click the Select Point icon to select a center point in the drawing window. I Select the method for calculating the polar array. Total number of items and angle to fill. Total number of items and angle between items. Angle to fill and angle between items. Enter the total number of items for the array. This includes the original object. 0 Enter the total angle for the array. A negative number creates the array in a clockwise direction. c Select to rotate each object as it is placed in the array. Zooming while using the Array command Although you cannot zoom or pan the drawing using traditional methods while the Array dialog box or Array Preview is active you can select the Pick Object button or any of the other pick point buttons to temporarily hide the dialog box allowing you to zoom and pan. To return to the Array dialog box press ENTER without selecting any objects or points. Lesson Creating Object Patterns 217 Procedure Creating a Rectangular Array of Objects The following steps give an overview of creating rectangular arrays. 1. On the ribbon click Home tab Modify Panel Array. 2. In the Array dialog box click the Rectangular option. Click Select Objects and select the objects to include in the array. 3. Enter row and column values or click Pick Offset to define the row and column offset values. 4. If required enter an angle for the array. 5. Click Preview to preview the array. 6. Right-click to accept and create the array or press ESC to return to the dialog box. 218 Chapter 3 Manipulating Objects Procedure Creating a Polar Array of Objects The following steps are an overview of creating polar arrays. 1. On the ribbon click Home tab Modify Panel Array. 2. In the Array dialog box click the Polar option. Click Select Objects and select the objects to include in the array. 3. In the Center Point fields enter the X and Y .