Create unsupervised dataset (from feature raster)ΒΆ
Create an unsupervised dataset by sampling data from valid pixels and store the result as a pickle file. A pixel is concidered valid, if the pixel profile is free of no data values, and not excluded by the (optionally) selected mask layer.
Parameters
- Raster layer with features [raster]
- Raster layer used for sampling feature data X.
- Mask layer [layer]
- A mask layer for limitting sample locations.
- Sample size [number]
Approximate number of samples drawn from raster. If 0, whole raster will be used. Note that this is only a hint for limiting the number of rows and columns.
Default: 0
Outputs
- Output dataset [fileDestination]
- Pickle file destination.
Command-line usage
>qgis_process help enmapbox:CreateUnsupervisedDatasetFromFeatureRaster
:
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Arguments
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featureRaster: Raster layer with features
Argument type: raster
Acceptable values:
- Path to a raster layer
mask: Mask layer (optional)
Argument type: layer
Acceptable values:
- Path to a vector, raster or mesh layer
sampleSize: Sample size (optional)
Default value: 0
Argument type: number
Acceptable values:
- A numeric value
outputUnsupervisedDataset: Output dataset
Argument type: fileDestination
Acceptable values:
- Path for new file
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Outputs
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outputUnsupervisedDataset: <outputFile>
Output dataset