A surface model created by the triangulation process is only as accurate as the data used to build it. Sparse elevational data and lack of breakline control yields ambiguous results at best. Even with extensive elevational data in the surface file, it is important to verify that the surface model is an accurate representation of the site conditions.
In this lesson, a few areas are pinpointed for surface editing. However, the entire surface requires additional editing that is not covered in this lesson.
To work through this lesson follow these steps
Start AutoCAD Land Desktop if you have not already done so.
On the File menu, click Open to display the Open Drawing: Project Based dialog box.
The default location folder for project files is c:\Land Projects <Version Number>. If you opted to install these files in another location instead, specify the appropriate project path.
From the Project Name list, select TUTORIAL1, from the Select Project Drawing list, select Lesson-13.dwg, and then click OK.
On the Projects menu, click Workspaces to display the Workspaces toolbar. In the list, select Land Desktop to display the Land Desktop menus.
Working through these lessons will result in alteration of the project files. Backup copies of these project files can be found in the c:\Program Files\AutoCAD Land Desktop <Version Number>\Landtut folder.
If this lesson has been previously run, copy these unaltered project files to the \Land Projects <Version Number> folder when starting a new tutorial session to ensure that the sequence outlined in each lesson can be followed properly.