Creating TINs in ArcGIS from triangular elements?

How do I create a TIN in Arcgis?

Create a TIN

1. On the Analysis tab, click the Tools button .
2. The Geoprocessing pane appears.
3. Type Create TIN in the search box, and press Enter to search for the tool.
4. Double-click Create TIN to open the tool.
5. Specify the parameters and click Run to build the TIN surface.

How do you make TIN from contours?

In the Catalog window, open the Create TIN tool by navigating to Toolboxes > System Toolboxes > 3D Analyst toolbox > Data Management > TIN > Create TIN. Ensure the data being created are aligned. Select the appropriate coordinate system by clicking the button next to the Coordinate System text box.
 

Which surface feature type is required to create a TIN?

You can create a TIN surface from features, such as points, line, and polygons, that contain elevation information. Use points as spot locations of elevation data. Use lines with height information to enforce natural features, such as lakes, streams, ridges, and valleys.