grid_filter_11-Resampling_Filter

Resampling Filter

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contributed at 2018-11-06

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Geography SubjectGIScience & Remote SensingGrid Processing

Detailed Description

Resampling filter for grids. Resamples in a first step the given grid to desired resampling cell size, expressed as multiple of the original cell size (scale factor). This is an up-scaling through which cell values are aggregated as cell area weighted means. Second step is the down-scaling to original cell size using spline interpolation. Specially for larger search distances this is a comparably fast alternative for simple low and high pass filter operations.

How to cite

SAGA (2018). grid_filter_11-Resampling_Filter, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/51764f50-febc-4457-b799-95d87399b9d3
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contributed at 2018-11-06

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