Creates a set of measures attached to the geometry of the feature, where each value is the distance from the start of the line up to that vertex, multiplied by the given Multiplier.

This transformer is often used to load useful measure values into an attribute for writing to measure-supporting formats.

Usage Notes

  • To get measures as a list or a series of attributes (for example, if you need to manipulate the calculated measure values), place a MeasureGenerator followed by a MeasureExtractor and a ListConcatenator.
  • To calculate the entire length of a feature, use the LengthCalculator.
  • To calculate the partial length of a feature, use the LengthToPointCalculator.


Input Ports

Output Ports


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: chainage