Median Filter
Apply a median filter to a DATA_FIELD. Equivalent to gwy_data_field_filter_median.
Inputs
| Name |
Type |
Required |
Description |
| field |
DATA_FIELD |
Yes |
Input field to filter |
Outputs
| Name |
Type |
Description |
| filtered |
DATA_FIELD |
Median-filtered field |
Controls
| Name |
Type |
Default |
Description |
| size |
INT |
3 |
Kernel size (side length) in pixels; odd values only (1–21) |
Limitations
- The median filter is applied with a square kernel; non-square (e.g. rectangular) kernels are not supported.
- Large kernel sizes are significantly slower than the Gaussian filter for the same smoothing extent.
