### 7.9. Вікно «Симетричне малювання»

Symmetry Painting is supported by brush-based tools (Pencil, Paintbrush, Eraser, Airbrush, MyPaint brush, Clone, Smudge, Dodge) as well the Ink tool. There are several kinds of symmetry, all configurable.

#### 7.9.1. Активація вікна

You can access this dialog from the main menu through: Windows → Dockable Dialogs → Symmetry Painting.

The dialog «Symmetry Painting» is dockable. Read Розділ 2.3, «Dialogs and Docking» to learn more about the concept of dockability.

#### 7.9.2. Using the Symmetry Painting dialog

Рисунок 15.142. Вікно «Симетричне малювання»

This dialog is very simple. You only have a Symmetry item with a drop-down list that offers four options. As soon as you check a symmetry type, symmetry axes appear as dotted green lines in the image window and you can start painting with the brush you have chosen.

Параметри

Симетрія

  This setting determines the type of symmetry painting.

  Немає

    This is the default. It disables symmetry painting.

  Дзеркало

    Рисунок 15.143. Вікно «Симетричне віддзеркалення»

    This type of symmetry will reflect all strokes like in a mirror. There are several types of mirroring. More than one type can be selected.

    Параметри віддзеркалення

    Горизонтальна симетрія

      Brush strokes will be mirrored across a horizontal axis.

    Вертикальна симетрія

      Brush strokes will be mirrored across a vertical axis.

    Центральна симетрія

      Brush strokes will be inverted through a central point.

    Вимкнути перетворення пензля

      When you transform the drawing, the brush itself will end up transformed as well. For instance, in a mirror transform, not only will your drawing on the right side of the canvas be mirrored on the left, but the brush itself is also «flipped» on the left.

      If you want the drawn lines to be mirrored (or other transformation), but not the brush outline itself, enable this setting. Obviously, you will only notice the effect of this setting when you use a brush that is not symmetrical.

    Розташування вертикальної вісі, Розташування горизонтальної вісі

      The default position for symmetry axes is the center of the image. These sliders allow you to change the position used to mirror your brush strokes.

      By clicking the lock icon next to the sliders, you can choose whether you want to keep both sliders synchronized or not.

  Мозаїка

    «Tiling» is a translational symmetry, which can be finite (with a maximum of strokes) or infinite. In the latter case, it is the perfect tool to create patterns or seamless tiles.

    Рисунок 15.144. The Symmetry Tiling Dialog

    This mode covers the image with strokes at regular distances on the X and Y axis.

    Параметри мозаїчності

    Інтервал за X, Інтервал за Y

      These are the intervals on the X and Y axis, in pixels, between the centers of each stroke.

    Зсув

      This determines the amount of shift between lines on the X axis, in pixels.

    Макс. штрихів за X, Макс. штрихів за Y

      These are the maximum number of brush strokes on the X and Y axis that will be painted on the image. The default is 0, which means there is no limit.

      By clicking the lock icon next to the sliders, you can choose whether you want to keep both sliders synchronized or not.

  Мандала

    Рисунок 15.145. The Symmetry Mandala Dialog

    Strokes are drawn around the center determined by the options below.

    Параметри «Мандали»

    Абсциса центру, Ордината центру

      These coordinates determine the center around which the mandala strokes will be painted.

      By clicking the lock icon next to the sliders, you can choose whether you want to keep both sliders synchronized or not.

    Кількість точок

      This determines the amount of strokes that will be performed each time you use a brush.

    Вимкнути перетворення пензля

      See the same setting for Mirror symmetry.

    Калейдоскоп

      When enabled, it mirrors consecutive strokes.

#### 7.9.3. Приклади

Pepper brush is selected. Pencil is used.

Example for Mirror

  Рисунок 15.146. Вертикальна симетрія

  A single click

  A stroke

Example for Tiling

  Рисунок 15.147.

  A single click. Shift = 20.

  A stroke

Приклад для Mandala

  Рисунок 15.148.

  A single click

  A stroke

7.8. Вікно вказівника |  | 7.10. Keyboard Shortcuts Dialog

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