RasterBandInterpretationCoercer

Alters the interpretation type of individual raster bands, converting cell values if necessary.

Jump to Configuration

Typical Uses

  • Changing individual raster band interpretation to meet processing or format requirements

How does it work?

The RasterBandInterpretationCoercer receives raster features and converts all or selected bands to one chosen Destination Interpretation Type.

Options are available to control the manner in which cell values are converted, handling color to color, numeric to color, color to numeric, numeric to numeric, and floating point to integer conversions.

Band names, if they exist, are retained.

If bands selected for conversion contain palettes, the destination interpretation is restricted to UInt8, UInt16 or UInt32.

To select specific bands, use the RasterSelector prior to the RasterBandInterpretationCoercer.

Usage Notes

Choosing a Raster Transformer

FME has an extensive selection of transformers for working with raster data. They can be generally categorized as working with whole rasters, bands, cells or palettes, and those designed for workflow control or combing raster with vector data.

For information on raster geometry and properties, see Rasters (IFMERaster).

Configuration

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.

Reference

Processing Behavior

Feature-Based

Feature Holding

No

Dependencies None
FME Licensing Level FME Professional Edition and above
Aliases  
History This transformer replaces the RasterDataTypeCoercer and RasterColorModelCoercer transformers.
Categories

Rasters

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Examples may contain information licensed under the Open Government Licence – Vancouver