5.4. Rytina

5.4. Rytina
	5. Filtry zkreslení

5.4.1. Overview

Obrázek 17.58. Example for the „Engrave“ filter

Original image

„Engrave“ applied

This filter produces an engraving effect: the image is turned black and white and some horizontal lines of varying height are drawn depending on the value of underlying pixels. The resulting effect reminds of engravings found in coins and old book illustrations.

	Poznámka
	The „Engrave“ filter operates only on floating selections and layers with an alpha channel. If the active layer does not have an alpha channel please add it first.

5.4.2. Activating the filter

This filter is found in the image window menu under Filters → Distorts → Engrave….

5.4.3. Options

Obrázek 17.59. „Engrave“ options

Presets, „Input Type“, Clipping, Blending Options, Preview, Split view

	Poznámka
	These options are described in 2 – „Common Features“.

Výška

This option specifies the height of the engraving lines. The value goes from 2 to 16.

Limit line width

If this option is enabled thin lines are not drawn on contiguous color areas. See the figure below for an example of this option result.

Obrázek 17.60. Example result of Limit line width option

Original image

Limit line width option enabled

Limit line width option disabled