sobel_filter

function of dascore.proc.filter

source

sobel_filter(
    patch: Patch ,
    dim: str ,
    mode: str = reflect,
    cval: float | int[float, int] = 0.0,
)-> ‘PatchType’

Apply a Sobel filter.

Parameters

Parameter	Description
dim	The dimension along which to apply
mode	Determines how the input array is extended when the filter overlaps with a border.
cval	Fill value when mode=“constant”.

Examples

import dascore
pa = dascore.get_example_patch()
 # 1. Apply Sobel filter using the default parameter values.
sobel_default = pa.sobel_filter(dim='time', mode='reflect', cval=0.0)
 # 2. Apply Sobel filter with arbitrary parameter values.
sobel_arbitrary = pa.sobel_filter(dim='time', mode='constant', cval=1)
# 3. Apply Sobel filter along both axes
sobel_time_space = pa.sobel_filter('time').sobel_filter('distance')