tailieunhanh - Mastering Autodesk 3ds Max Design 2011 phần 5

Mở rộng việc triển khai biến dạng và sau đó nhấp vào Quy mô, như thể hiện trong hình 7,30. Quy mô thay đổi kích thước, hướng X hoặc Y, của đối tượng loft. Hướng Z luôn luôn điểm dọc theo con đường, X và Y-trục vuông góc với đường dẫn. | lofting an object 363 3. Expand the Deformations rollout and then click Scale as shown in Figure . Scale changes the size in the X or Y direction of the loft object. The Z direction always points along the path the X- and Y-axes are always perpendicular to the path. This opens the Scale Deformation X dialog box shown in Figure . The red line currently at a value of 100 indicates that the scale of the loft is consistently at 100 percent of its designed size. In other words all the cross sections appear at the same size as their instanced counterparts. The black boxes at the end of the red line represent the corner points where the scale is defined. To change the scale you would move a corner point upward to increase it or downward to decrease it. FIGURE The Scale Deformation button FIGURE The Scale Deformation X dialog box for the pedestal loft object s 4. Make sure the Make Symmetrical button in the Scale Deformation box s toolbar is active. In this exercise only the scale of the X-axis is changed but the Make Symmetrical button forces the Y-axis to match the X-axis. 5. You want to change the scale at the middle of the object but not at the ends so you ll need to add a new corner point at the midpoint of the path. Click the Insert Corner Point button. 6. Click on the red line about halfway along its length. A white box appears showing the location of the new corner point. Like most objects in 3ds Max selected corner points are white. Unselected corner points are black. There are two fields at the bottom of the dialog box. The left field is the location as a percentage of the path of the selected corner point. The right field is the value as a percentage of scale of the loft at that corner point. 7. In the left field enter 50J. In the right field enter 125J see Figure . The pedestal shaft bows outward at 50 percent along the path see Figure . 364 chapter 7 organizing and editing objects Figure Moving the midpoint vertex FIGURE .

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