Flipping TIN faces is another way to correct triangulation problems.

1. On the View menu, click Named Views to display the View dialog box, under Name, select 3, click Set Current, and then click OK.

   The cyan contour lines that occur roughly between points 3 and 4 are jagged. Correct this situation by flipping the TIN face between points 3 and 4.

2. On the Terrain menu, click Edit Surface Flip Face.

3. Select the TIN line that is located between points 3 and 4, and then press ENTER .

   Click here to see an illustration of the flipped TIN line.

   Recreate the contours to view the triangulation change.

4. On the Terrain menu, click Create Contours to display the Create Contours dialog box.

5. Accept the default values displayed in this dialog box by clicking OK.

6. Press ENTER to accept the default, Yes, to erase old contours.

The contours are recreated based on the correct triangulation, with a smoother appearance rather than a jagged appearance.

Click here to see an illustration of recreated contours.