Autodesk CIVIL3D Tutorial - Page 425
Exercise 1: Smoothing Feature Line Arcs, Modify feature line arc tessellation
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Modify feature line arc tessellation NOTE This exercise uses Grading-6.dwg with the modifications you made in the previous exercise, or you can open Grading-7.dwg from the tutorial drawings folder (page 819). 1 Click the right viewport to make it active. 2 Click View tab ➤ Views panel Wireframe. Visual Styles drop-down ➤ 3D The grading triangulation is displayed in the 3D Wireframe visual style. It is helpful to observe the triangles as you use the feature line to break the surface. 3 Click Home tab ➤ Create Design panel ➤ Grading drop-down ➤ Grading Creation Tools . 4 On the Grading Creation Tools toolbar, click Properties. Grading Group 5 In the Grading Group Properties dialog box, on the Information tab, select the Automatic Surface Creation check box. 6 In the Create Surface dialog box, click OK. To adjust the arc tessellation, a surface must be created from the grading group. This surface is temporary. You will delete it after you have adjusted the arc tessellation. 7 In the Grading Group Properties dialog box, on the Information tab, change the Tessellation Spacing setting to 1.000'. Click Apply. 8 Clear the Automatic Surface Creation check box. When asked if you want to delete the Slope - Projection Grading surface, click Yes. Click OK. Now that you have updated the arc tessellation, you must update the grading infill areas to apply the new setting. The easiest way to update the infill areas is by using the AutoCAD Move command. 9 On the command line, enter MOVE. 10 Click the original, interior feature line (the blue building pad). Press Enter. 11 Press Enter again to select the default Displacement selection. 12 Press Enter again to accept the default displacement of . Exercise 1: Smoothing Feature Line Arcs | 413