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Note: This article pertains to ArcGIS versions 8.x and 9.x. Later versions of ArcGIS may contain different functionality, as well as different names and locations for menus, commands and geoprocessing tools.
Instructions provided describe how to clip a TIN with a polygon layer using 3D Analyst.
Note: The 3D Analyst extension is required to use the Add Features to TIN geoprocessing tool.
Note: If the 3D Analyst toolbar is not enabled, click View > Toolbars > 3DAnalyst.
Note: The output TIN is not identical to the input TIN along the boundary of the polygon layer. This is because the boundary of the polygon layer may intersect triangles in the TIN. The new triangles must be interpolated. This results in minor modifications and does not drastically change the surface of the TIN.
Last Published: 4/22/2020
Article ID: 000006507