filt2 2D geospatial data filter

Easily perform 2D highpass, lowpass, bandpass, or bandstop filters on gridded datasets.

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This function performs a 2D gaussian-weighted moving-window averaging filter on gridded datasets. It's designed to simplify the process of converting resolution to pixels and figuring out what sigma value to use. Click on the light bulb icon to the right on this page to see examples of use.

Cite As

Chad Greene (2026). filt2 2D geospatial data filter (https://uk.mathworks.com/matlabcentral/fileexchange/61003-filt2-2d-geospatial-data-filter), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.1.0.0

Added bandpass and bandstop filters.

1.0.0.0