Generating a surface model
If you recall, in Chapter 5, Leveraging Points, Lines, and Curves, we created point groups for each of our survey points and processed them into linework, with the exception of our Ground Point Group. In this section, we’ll use Ground Point Group to generate a 3D surface model that we will use as a reference for building our design.
To kick things off, we’ll start by going into TOOLSPACE, selecting the Prospector tab, and locating the Surfaces category. If we right-click on Surfaces, we will be presented with the following options, also displayed in Figure 6.1:
- Create Surface…: Provides the ability to create a new surface model (TIN, Grid, TIN Volume, or Grid Volume)
- Create Surface From DEM…: Provides the ability to create a new surface model (via USGS Digital Elevation Model (DEM)), GEOTIFF, ESRI ASCII Grid, or ESRI Binary Grid)
- Create Surface from TIN…: Provides the ability to create a new surface model...
