Autodesk CIVIL3D Tutorial - Page 501
Create a hide boundary interactively
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10 Pan to the beginning of the corridor, and select the feature line along right-inside edge of paved shoulder within circle 4. 11 On the command line, enter C to close the boundary. 12 In the Corridor Surfaces dialog box, expand the Corridor (1) - Pave surface collection item to see the boundary item. Change the corridor boundary name to Pave Outside and set its Use Type to Outside Boundary. Create a hide boundary interactively This boundary will define the inside edges of both lanes by using the lanes' inner EPS feature lines. This will be a hide boundary and will act as a mask over the median area of the Corridor - (1) Pave surface. 1 In the Corridor Surfaces dialog box, on the Boundaries tab, select the Corridor - (1) Pave surface. Right-click. Click Add Interactively 2 Repeat the previous procedure to define the inside boundary of the paved region: ■ Click in circle 1 and select EPS to define the left-outside edge of the paved shoulder. ■ Click in circle 8 and select EPS to define the left-outside edge of the paved shoulder. ■ Click in circle 2. ■ On the command line, enter C to close the boundary. ■ Change the name of the boundary to Pave Inside. ■ Change the Use Type to Hide Boundary. Create a median outside boundary interactively This boundary will define the outside edges of the median area using the lanes' inner EPS feature lines. This will be an outside boundary to define the outside edges of the Corridor - (1) Median surface. 1 In the Corridor Surfaces dialog box, on the Boundaries tab, select the Corridor - (1) Median surface. Right-click and click Add Interactively 2 Define the outside boundary of the median: ■ Click in circle 1 and select EPS to define the left-outside edge of the paved shoulder. Exercise 2: Creating Corridor Surface Boundaries | 489