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RasterConvolver additional options

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  • September 18, 2018
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jdh
Contributor
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It would be nice if the RasterConvolver could have an additional parameters. (In order of importance)


Apply kernel:
  • at all values
  • only at specific values
  • don't apply at specific values
Compute Value:
  • use all values in computation
  • use only specified values
  • ignore specified values

Replace or Append Band

Currently the RasterConvolver replaces the existing band with the results of the convolution. On occasion it would be nice if the results could be appended to the original raster instead of having to send the original raster and the output of the convolver to a RasterBandCombiner.

Potential use cases include:

  • eliminating a specific class from a classified raster with a majority filter.
  • filling in nodata values with the average of the surrounding values, but leaving the data pixels untouched.


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