Modifies or creates ellipse geometry according to new coordinate, radii, rotation, or orientation values.

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Typical Uses

  • Modifying ellipse or circle geometry

How does it work?

The EllipsePropertySetter receives features with ellipse or point geometry. Ellipses are modified if any values provided in parameters differ from the input geometry. Points are converted to ellipses if at least a New Primary Radius value is provided.

The parameters may modify or create an ellipse as a closed Arc By Center Point by the following:

  • Center X, Y, and Z coordinates

  • Primary and Secondary Radius in ground units

  • Rotation in degrees

  • Orientation

  • An assumed sweep of 360 degrees

Values may be entered or provided through attribute values, expressions, or user parameters.

Features without valid ellipse or point geometry will be rejected, as will points that do not have the required parameter values to create an ellipse.

For more information on ellipse geometry see Ellipse.


Usage Notes

Creating and Modifying Arcs, Circles, and Ellipses

These transformers work with arcs in a variety of ways.


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.


Processing Behavior


Feature Holding


Dependencies None

FME Community

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Examples may contain information licensed under the Open Government Licence – Vancouver and/or the Open Government Licence – Canada.