### 14.18. Spiral

#### 14.18.1. Overview

Figure 17.378. Applying example for the Spiral filter

Filter applied

The Spiral filter allows you to make spiral patterns using two different colors. Besides choosing the colors, several other parameters are available to control the appearance of the spiral.

Results don't depend on the image you opened.

#### 14.18.2. Activating the Filter

This filter is found in the main menu under Filters → Render → Pattern → Spiral….

#### 14.18.3. Options

Figure 17.379. “Spiral” filter options dialog

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

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

Type

  The type of spiral pattern. It can be Linear, where the spiral has the same thickness everywhere, or Logarithmic, where the spiral starts small in the middle and gets larger the closer to the edge you get.

X, Y

  The starting offset of the spiral pattern.

Radius

  The spiral radius controls the size of the spirals.

Balance

  The area balance between the two colors.

Rotation

  The rotation angle of the spiral.

Direction

  The spiral swirl of the rotation can be either Clockwise, or Counter-clockwise.

Color 1, Color 2

  Here, you can set the two colors that make up the spiral.

On-canvas controls

  If this setting is enabled, which is the default, you can control the Radius, Balance and Rotation with the controls on top of the image.

14.17. Sinus |  | 14.19. Checkerboard (legacy)

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