Takes lines and connects them to form longer lines. Each connecting line must meet at the exact same start/end point, but otherwise they must not intersect.

Any nodes with only two lines connecting to them (sometimes called pseudonodes) are removed. Lines remain broken at points where three or more converge.

Note: Duplicate lines passed into the transformer will be consumed by the transformer.


Usage Notes

  • If the data might contain intersecting lines, consider running it through the Intersector before connecting this transformer.
  • On common vertices between combined lines, the LineCombiner maintains z-values and measures from the subsequent line.


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: connectivity ring PseudoNodeRemover LineJoiner