### 5.7. Operación GEGL

#### 5.7.1. Generalidades

GEGL (“Generic Graphical Library”) is a graph based image processing library designed to handle various image processing tasks needed in GIMP. Most GEGL operations have their own menu commands in GIMP. The majority of them are filters found in the Colors and Filters menus.

However, there are some GEGL operations that don't have their own command. Either because the operation was not considered important enough, or because the operation may still be experimental.

The GEGL Operation filter was added to give access to all these operations that you can't use in another way. It enables applying GEGL operations to the image and gives on-canvas previews of the results. New GEGL operations made by third-party developers will also show up in this dialog.

#### 5.7.2. Activar la herramienta

You can get to this tool only from the main menu: Tools → GEGL Operation….

#### 5.7.3. Opciones

Figura 14.145. Diálogo de opciones de herramienta

GEGL Operation with no operation selected.

Operación

  Pulse sobre este botón para seleccionar la operación que se quiere aplicar en la selección activa o, si no hay selección, en la capa activa.

  Algunas de estas operaciones son muy básicas como “color”, que rellena la selección o la capa activa con el color especificado, mientras que otras operaciones como el “examinador de fractales” produce patrones bastante complejos; o como los filtros de renderizado.

Ajustes de la operación

  Los ajustes de la operación dependen de la Operación seleccionada:

  Figura 14.146. Ejemplo de “Ajustes de la operación”

  Operación GEGL “Desenfoque gaussiano” seleccionada.

  Si las opciones de la operación GEGL seleccionada no son auto explicativas (como la opción “color” de la operación “Color”) se de buscar la correspondencia con una herramienta que no sea GEGL. Por ejemplo, el filtro examinador de fractales puede tener las mismas o similares opciones que la operación “fractal-explorer”.

  O puede usar la característica de vista previa en tiempo real y experimentar con ajustes diferentes.

Vista previa

  If this option is checked, as it is by default, you will get an on-canvas preview of the selected operation as soon as the operation is finished. You will have to press the OK button to actually apply the operation to the image.

The buttons

Reiniciar

  Pressing this button resets the operation settings to their defaults.

Cancelar

  Clicking on this button aborts the GEGL operation and leaves your image untouched. This is equivalent to close the dialog window using the usual Close button provided by your window manager.

Aceptar

  Tiene que pulsar este botón para aplicar la operación seleccionada en la imagen. Entonces se cerrará la ventana del diálogo.

5.6. Ampliación |  | Capítulo 15. Diálogos

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