### 3.13. Tileable Blur

#### 3.13.1. Overview

Obrázok 17.37. Example for the “Tileable” filter

Original image

Filter applied

Tileable Blur is actually implemented by a Script-Fu script that invokes the Gaussian blur plug-in.

This filter is used to soften tile seams in images used in tiled backgrounds. It does this by blending and blurring the boundary between images that will be next to each other after tiling.

| Tip

If you want to treat only images borders, you can't apply filter to the whole image. The solution to get the wanted effect is as follows:

1. Duplicate layer (Layer → Duplicate Layers) and select it to work on it.

2. Apply “Tileable Blur” filter with a 20 pixels radius to this layer.

3. Select all (Ctrl+A) and reduce selection (Selection → Shrink) to create a border with the wanted width.

4. Give a feathered border to the selection by using Selection → Feather.

5. Delete selection with Ctrl+K.

6. Merge layers with Layer → Merge down.

| Poznámka
If the image is in grayscale mode or indexed mode, this menu entry is disabled.

#### 3.13.2. Activating the Filter

This filter is found in the main menu under Filters → Blur → Tileable Blur….

#### 3.13.3. Options

Obrázok 17.38. “Tileable Blur” filter options

Radius

  The bigger the radius, the more marked is the blur. By selecting Horizontal and Vertical, you can make the horizontal and vertical borders tileable.

Blur vertically, Blur horizontally

  These options are self-explanatory.

Blur type

  | Poznámka
  This setting is ignored.

3.12. Zoom Motion Blur |  | 4. Enhance Filters

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