AngularityCalculator

Calculates the "angularity" of a linear or area feature. Angularity indicates the degree of curvature of a feature. The higher the value, the more curved its geometry.

A value of 0 indicates the geometry is a straight line. This mode works on linear and polygonal geometries, and all other geometries will receive a value of 0.

The calculation of this property utilizes the angle between segments and, as a result, linear and polygonal features must have more than one segment to receive a non-zero value. Arcs are stroked into lines before determining this value. The actual value is the sum of the angles between the segments divided by the total length of the segments.

Input Ports

Output Ports

Parameters

Editing Transformer Parameters

Using a set of menu options, transformer parameters can be assigned by referencing other elements in the workspace. More advanced functions, such as an advanced editor and an arithmetic editor, are also available in some transformers. To access a menu of these options, click beside the applicable parameter. For more information, see Transformer Parameter Menu Options.

Defining Values

There are several ways to define a value for use in a Transformer. The simplest is to simply type in a value or string, which can include functions of various types such as attribute references, math and string functions, and workspace parameters. There are a number of tools and shortcuts that can assist in constructing values, generally available from the drop-down context menu adjacent to the value field.

Dialog Options - Tables

Transformers with table-style parameters have additional tools for populating and manipulating values.

FME Community

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Keywords: sinuous sinuosity