function boxcar
Computes a running boxcar with radius WIDTH. By default, the value is replaces by the average in the box. This can be changed by specifying one of the switches /minimum, /maximum, or /median.
Syntax
result = boxcar(X, WIDTH [, /minimum | /maximum | /median] [,/x | /y | /z | /xy])
Arguments
| X: | A matrix. |
| WIDTH: | An integer number specifying the radius of the box. |
Switches
| /minimum: | Each value is replaced with the minimum within a box with radius WIDTH |
| /maximum: | Each value is replaced with the maximum within a box with radius WIDTH |
| /median: | Each value is replaced with the median within a box with radius WIDTH |
| /x: | Boxcar along the first axis |
| /y: | Boxcar along the second axis |
| /z: | Boxcar along the third axis |
| /xy: | 2D boxcar along the first and second axes (default) |
See also
function smooth