8.7. Image Gradient

8.7.1. 概観

図17.163 Applying example for the Image Gradient filter

Applying example for the Image Gradient filter

元画像

Applying example for the Image Gradient filter

Filter Image Gradient applied with default options.


Filter Image Gradient applied with Direction option.

This filter detects edges in one or two gradient directions.

8.7.2. フィルターの呼び出し方

You can find this filter through FiltersEdge-DetectImage Gradient….

8.7.3. オプション

図17.164 Image Gradient filter options

Image Gradient filter options

Presets, Preview, Split view
[注記] 注記

These options are described in 「Common Features」.

Output mode

Magnitude is default: it combines both directions. Direction: only one direction is used. Both is like Magnitude.

図17.165 Output mode examples

Output mode examples

Original image, with abrupt luminosity change

Output mode examples

Option Magnitude is selected

Output mode examples

Option Direction is selected. In result, black is no edge detected, white is edge detected.


Clipping

The result of this filter can be larger than the original image. With the default Adjust option, the layer will be automatically resized as necessary when the filter is applied. With the Clip option the result will be clipped to the layer boundary.