2.3. Ellipse Selection
| 2. Selection Tools |

### 2.3. Ellipse Selection

The Ellipse Selection tool is designed to select circular and elliptical regions from an image, with high-quality anti-aliasing if you want it. For information on selections and how they are used in GIMP see Selections; for information on features common to all selection tools see Selection Tools.

This tool is also used for rendering a circle or ellipse on an image. To render a filled ellipse, create an elliptical selection, and then fill it using the Bucket Fill tool. To create an elliptical outline, the simplest and most flexible approach is to create an elliptical selection and then stroke it. However, the quality of anti-aliasing with this approach is rather crude. A higher quality outline can be obtained by creating two elliptical selections with different sizes, subtracting the inner one from the outer one; however this is not always easy to get right. The command Select → Border… makes it easy.

#### 2.3.1. Activating the Tool

There are different possibilities to activate the tool:

- From the main menu: Tools → Selection Tools → Ellipse Select.

- By clicking the tool icon in the Toolbox.

- By pressing the E keyboard shortcut.

#### 2.3.2. Key modifiers

| Bilješka
See Selection Tools for help with modifier keys that affect all these tools in the same way. Only effects options that are specific to this tool are explained here.

Ctrl

  Pressing the key after starting your selection, and holding it down until you are finished, causes your starting point to be used as the center of the selected ellipse, instead of a corner of the rectangle that may contain it. Note that if you press the Ctrl key before starting to make the selection, the resulting selection will be subtracted from the existing selection.

Shift

  Pressing the Shift key after starting your selection, and holding it down until you are finished, constrains the selection to be a circle. Note that if you press the Shift key before starting to make the selection, the resulting selection will be added to the existing selection.

Ctrl+Shift

  Pressing both keys combines the two effects, giving you a circular selection centered on your starting point.

#### 2.3.3. Tool handling

Slika 14.10. Example of Ellipse Selection.

When this tool is selected the mouse pointer comes with a circle icon as soon as it is over the image. A drag-and-drop allows you to get an ellipse (or a circle) within a rectangular box. When the mouse button is relaxed, a dotted line (“marching ants”) outlines the elliptic selection. It's not necessary to adjust the selection with care; you can resize it easily later.

When the pointer is moving on the canvas, the pointer and selection aspects change. You can change the size of the selection by using handles. See Tool handling within the rectangular chapter.

#### 2.3.4. Odrednice

Slika 14.11. Tool Options Dialog

Normally, tool options are displayed in a window attached under the Toolbox as soon as you activate a tool. If they are not, you can access them from the main menu through Windows → Dockable Windows → Tool Options which opens the option window of the selected tool. The available tool options can also be accessed by double clicking the corresponding tool icon in the Toolbox.

Način, Antialiasing, Feather edges

  | Bilješka
  See Selection Tools Options for help with options that are common to all these tools. Only options that are specific to this tool are explained here.

Expand from center, Fixed, Položaj, Size, Highlight, Guides, Auto Shrink, Shrink merged

  These options work exactly the same way they are described for the Rectangle Selection tool. See Odjeljak 2.2.4, “Odrednice” for details.

2.2. Rectangle Selection |  | 2.4. Free Selection (Lasso)

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