14.18. Spiral

14.18.1. Overview

Figure 17.363. Applying example for the Spiral filter

Filter “Spiral” applied

You can find this filter from the image menu through Filters → Render → Pattern → Spiral….

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. Options

Figure 17.364. “Spiral” filter options dialog

Presets, “Input Type”, Clipping, Blending Options, Preview, 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.