hpf

Description

Perform a high pass filter for mosaic processing

Arguments and Return Values

Arguments:

Return Value:

Usage

Syntax: hpf($1 = VAR, [size = INT])

$1 - A numeric array

'size' - An optional filter kernel size

Examples

An ignore value of -32768 is assumed since the main use of this tool is for mosaicking. 

dv> a
577x1852x10 array of float, bsq format [42,744,160 bytes]
dv> b = hpf(a,size = 1000)
577x1852x10 array of float, bsq format [42,744,160 bytes]