11.12. Clothify

11.12. Clothify
	11. Filtry umění

Obrázek 17.220. Example of Clothify

Filter „Clothify“ applied (in selection)

Clothify command is a script which adds a cloth-like texture to the selected region or alpha.

If the image is in indexed colors, this menu entry is grayed out and unavailable.

This effect is achieved through the following steps:

Create an image in the same size as the original image, or selection or region in alpha if it is given, then add a layer to this image filled with white and noisified strongly.
Reproduce a layer from the recently added layer and set the mode of the upper layer to Multiply.
Apply Gaussian blur in different directions, horizontally on the lower layer by the given parameter Blur X as the radius, and vertically on the upper layer with Blur Y.
Merge these two layers into an image and make its contrast expanded as possibly, then slightly noisify again on this working image.
Finally do bump map on the original image by the working image with parameters Azimuth, Elevation, and Depth.

This filter is found in the image window menu under Filters → Artistic → Clothify….

Obrázek 17.221. „Clothify“ filter options

Azimuth, Elevation, and Depth come from Bump Map filter.

Rozostření X, Rozostření Y: These parameters lengthen fibers of the texture, horizontally by Blur X, and vertically by Blur Y. The range of value is between 3 to 100.
Azimut: Azimuth slider controls the bearings where light comes from according to the point of the compass. Both the minimum value (0.00) and the maximum value (360.00) are the direction of three o'clock on the dial panel of an analogue clock. Increasing value goes counter-clockwise.
Zdvih: Elevation slider controls the height where light comes from. For the minimal value (0.50) the light comes from horizon, and for the maximum value (90.0) the light comes from zenith.
Hloubka: Depth slider controls distance between bump height and hollow depth. Increasing value causes more rugged features. Values vary from 1 to 65.