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geotrellis.raster.mapalgebra.focal

TileMoransICalculation

object TileMoransICalculation

Calculates spatial autocorrelation of cells based on the similarity to neighboring values.

The statistic for each focus in the resulting raster is such that the more positive the number, the greater the similarity between the focus value and it's neighboring values, and the more negative the number, the more dissimilar the focus value is with it's neighboring values.

Note

This operation requires that the whole raster be passed in; it does not work over tiles.

,

Since mean and standard deviation are based off of an Int based Histogram, those values will come from rounded values of a double typed Tile (FloatConstantNoDataCellType, DoubleConstantNoDataCellType).

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Value Members

  1. def apply(tile: Tile, n: Neighborhood, bounds: Option[GridBounds[Int]], target: TargetCell = TargetCell.All): Tile