Autodesk CIVIL3D Tutorial - Page 193
Exercise 5: Creating Surface Breaklines from s, s, Exercise 4: Working with Mapcheck Data
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To continue this tutorial, go to Exercise 5: Creating Surface Breaklines from Figures (page 181). Exercise 5: Creating Surface Breaklines from Figures In this exercise, you will use figures to add breaklines to a surface. The breaklines will define the edge of pavement (EP) features, such as retaining walls, curbs, tops of ridges, and streams. Breaklines force surface triangulation along the breakline and prevent triangulation across the breakline. For more information, see the AutoCAD Civil 3D Help topic Creating Breaklines from Figures. This exercise continues from Exercise 4: Working with Mapcheck Data (page 179). To create surface breaklines from figures 1 Open Survey-5C.dwg, which is located in the tutorial drawings folder (page 819). This drawing contains the empty surface Figure Surface 1, to which you will add the figure data. NOTE For more information about creating surfaces, see the Creating and Adding Data to a Surface (page 59) tutorial. 2 In Toolspace, on the Survey tab, open the survey database Survey 1 and click the Figures collection. 3 In the list view, click figure EP1. 4 Press the Shift key, click figure EP7. 5 Keeping the Shift key pressed, right-click figure EP7 and click Edit Figures. The Figures Editor is displayed with only the EP figures that you selected. 6 To change the Breakline property to Yes for all EP figures, right-click the column heading Breakline and click Edit. 7 Enter Y and press Enter. The Breakline property for all figures is changed to Yes. NOTE The figures are displayed with bold text indicating there are unsaved changes. Exercise 5: Creating Surface Breaklines from Figures | 181
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