ArcMap

TIN Aspect

Available with 3D Analyst license.

Summary

Extracts aspect information from an input TIN into an output feature class.

Produces a polygon feature class whose polygons are categorized by the input TIN's triangle aspect values.

Illustration

TIN Aspect illustration

Usage

  • Aspect is expressed in degrees.

Syntax

TinAspect_3d (in_tin, out_feature_class, {class_breaks_table}, {aspect_field})
ParameterExplanationData Type
in_tin

The input TIN.

Tin Layer
out_feature_class

The output feature class.

Feature Class
class_breaks_table
(Optional)

An input table containing the classification breaks that will be used to classify the output feature class.

Table
aspect_field
(Optional)

The field containing aspect values.

String

Code sample

TIN Aspect Example (Python window)

The following Python Window script demonstrates how to use the TIN Aspectfunction in immediate mode.

import arcgisscripting
gp = arcgisscripting.create()

gp.CheckOutExtension("3D")
gp.workspace = "C:/data"
gp.TinAspect_3d("tin", "aspect.shp")

Environments

Licensing information

  • ArcGIS Desktop Basic: Requires 3D Analyst
  • ArcGIS Desktop Standard: Requires 3D Analyst
  • ArcGIS Desktop Advanced: Requires 3D Analyst