5.10. Spherize
| 5. Förvrängningsfilter |

### 5.10. Spherize

#### 5.10.1. Overview

This filter creates a kind of bubble whose size is that of the image or selection, as if the content was wrapped around a sphere.

Figur 17.70. Spherize filter example, with default values

Original image

”Spherize” filter applied

#### 5.10.2. Starting filter

You can find this filter through Filters → Distorts → Spherize…

#### 5.10.3. Options

Figur 17.71. ”Spherize” filter options

Presets, Preview, Split view

  | Notera
  These options are described in Avsnitt 2, ”Common Features”.

Mode

  - Radial is the default mode. See example above.

  - Horizontal: as if image was mapped on a vertical cylinder.

  - Vertical: as if image was mapped on a horizontal cylinder.

Angle of view

  Camera angle of view (0 - 180°)

Curvature

  Spherical cap angle, as a fraction of the co-angle (complement angle) of view. Result is less domed as curvature decreases (100% - 0).

Amount

  Interesting for negative values, which result in a hollow instead of a bump (from 1.000 to -1.000).

Resampling methods

  These interpolation methods are described in Interpolation.

Use the selection as input, Use the entire layer as input

  These options are common to GEGL-based filters. Please refer to Avsnitt 2, ”Common Features”.

#### 5.10.4. Using Spherize filter

Drawing a selection before applying filter allows you to create another shape, such as a sphere: select Ellipse tool with the Fixed option checked; draw a circle; apply Spherize filter with the Use the selection as input selected. Invert selection and fill it with wanted background.

5.9. Shift |  | 5.11. Value Propagate

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