Class fraction layer from categorized layer
Rasterize/resample a categorized vector/raster layer into class fractions. Categories are rasterized/resampled at/to a x10 finer resolution and aggregated to class-wise fractions at destination resolution. This approach leads to fractions that are accurate to the percent.
Parameters
- Categorized layer [layer]
A categorized layer to be rasterized/resampled.
- Grid [raster]
The target grid.
- Minimum pixel coverage [%] [number]
Exclude all pixel where coverage is smaller than given threshold.
Default: 0
Outputs
- Output class fraction layer [rasterDestination]
Raster file destination.
Command-line usage
>qgis_process help enmapbox:ClassFractionLayerFromCategorizedLayer
:
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Arguments
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categorizedLayer: Categorized layer
Argument type: layer
Acceptable values:
- Path to a vector, raster or mesh layer
grid: Grid
Argument type: raster
Acceptable values:
- Path to a raster layer
coverage: Minimum pixel coverage [%]
Default value: 0
Argument type: number
Acceptable values:
- A numeric value
- field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field
- expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression
outputFraction: Output class fraction layer
Argument type: rasterDestination
Acceptable values:
- Path for new raster layer
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Outputs
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outputFraction: <outputRaster>
Output class fraction layer