To Create Breaklines From Survey Figures

In the process of making a surface model, you can easily select the figures to use as breaklines.

Tutorial Exercise: Creating Surface Breaklines from Figures

1. In Toolspace, on the Survey tab, right-click FiguresCreate Breaklines.
2. In the Create Breaklines dialog box, click the Select Surface drop-down list and click a surface name or click to open the New Surface dialog box, where you can create a new surface. Figures are displayed in the list view part of the dialog box.
3. In the Breakline column, click the check box next to the figures that you want as breaklines. Optionally, to prevent a breakline from being created from a figure, in the list view, click the check box and set the value to No.
   Note: Click to set the breakline property for all figures to Yes. Click to clear all the breakline property check boxes.
4. Click OK to create the breaklines.
5. In the Add Breaklines dialog box, enter a Description for the breakline operation, specify the Type of breaklines, or specify the Mid-ordinate distance for any breaklines that have curved segments.
6. Click OK. The breaklines are inserted into to the drawing, or if necessary updated if they already exist in the drawing.