FME Transformers: 2024.1

Categories
Database
Filters and Joins
Related Transformers
AttributeFilter
AttributeRangeMapper
AttributeValueMapper
TestFilter

AttributeRangeFilter

Routes features based on user-defined numeric value ranges.

Jump to Configuration

Typical Uses

  • Classifying features based on value ranges for symbolization or other further processing in the workspace
  • Filtering out features that fall within a specific range of values

How does it work?

The AttributeRangeFilter lets you define one or more numeric ranges, each of which becomes an output port. An attribute is selected to be compared against these ranges, and output via the first matching range’s port.

If the attribute value does not fall within any of the defined ranges, it is output via the <Unfiltered> port.

Ranges are inclusive. A value that could match more than one range will be output via the first one it encounters. Ranges are tested in the order they are defined in the parameters dialog, Range Lookup Table. For example, given the ranges 1 - 10 and 10 - 20, the value 10 will be matched to whichever of these ranges is listed first in the lookup table.

If either From or To is left blank, the range is open-ended; that is, it will match any value greater than (if To is blank) or less than (if From is blank) what is specified.

You may automatically generate fixed-interval ranges using the Generate… option.

Examples

Usage Notes

  • Only numeric ranges are supported.
  • Expressions are not supported.
  • To add an attribute classifying features according to numeric ranges (as opposed to routing/filtering them), consider using the AttributeRangeMapper.

Configuration

Input Ports

Output Ports

Parameters

Editing Transformer Parameters

Transformer parameters can be set by directly entering values, using expressions, or referencing other elements in the workspace such as attribute values or user parameters. Various editors and context menus are available to assist. To see what is available, click beside the applicable parameter.

For more information, see Transformer Parameter Menu Options.

Reference

Processing Behavior

Feature-Based

Feature Holding

No

Dependencies None
Aliases RangeFilter
History  

FME Community

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