### 5.7. Mosaic

#### 5.7.1. Overview

Figure 17.72. Applying example for the “Mosaic” filter

Original image

Filter applied

It cuts the active layer or selection into many squares or polygons which are slightly raised and separated by joins, giving so an aspect of mosaic.

#### 5.7.2. Activating the Filter

This filter is found in the main menu under Filters → Distorts → Mosaic….

#### 5.7.3. Options

Figure 17.73. “Mosaic” filter options

Presets, “Input Type”, Clipping, Blending Options, Preview, Merge filter, Split view

  | Note
  These options are described in Section 2, “Common Features”.

Tile geometry

  This option is self-understanding:

  Squares

    Not exactly squares, but 4 edges

  Hexagons

    6 edges (hexa = 6)

  Octagons

    8 edges (octa = 8)

  Triangles

    3 edges (tri = 3)

Tile size

  Average diameter of each tile (in pixels). Slider and input box allow you to set the size of tile surface (2-1000).

Tile height

  That's ledge, relief of tiles. Value is width of the lit border in pixels.

Tile neatness

  When set to 1, most of tiles have the same size. With 0 value, size is determined at random and this may lead to shape variation.

Tile color variation

  Each tile has only one color. So the number of colors is reduced, compared to the original image. Here you can increase the number of colors a little.

Color averaging

  When this option is unchecked, the image drawing can be recognized inside tiles. When checked, the colors inside tiles are averaged into a single color.

Rough tile surface

  With this option tile surface looks pitted.

Allow splitting tiles

  This option splits tiles in areas with many colors, and so allows a better color gradation and more details in these areas.

Tile spacing

  That's width of the join between tiles.

Joints color, Light color

  Tiles are lit with the foreground color of the toolbox, and shadow is colored with the background color. Joins have the background color. You can change these colors using the color buttons or the color pickers on the right.

Light direction

  By default light comes from the upper left corner (135°). You can change this direction from 0 to 360.

Antialiasing

  This option reduces the stepped aspect that may have borders.

Random seed, New Seed

  This option controls the randomness of the filter. The Random seed box lets you manually enter a seed for the randomization algorithm used. You can also generate a random seed by pressing the New Seed button. If the same random seed is used in the same situation, the filter produces exactly the same results. A different random seed produces different results.

5.6. Kaleidoscope |  | 5.8. Newsprint

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