2.6. Navigation Dialog
| 2. Image Structure Related Dialogs |

### 2.6. Navigation Dialog

그림 15.21. Navigation Dialog

The Navigation dialog is designed to offer easy movement around the active image if the zoom is set higher than what the image window can display. If this is the case, there is an inversely colored rectangle that shows the location of the current view area in respect to the image.

To change the viewing region:

- Click and drag the rectangular area.

- Use Shift and mouse-wheel to move horizontally, Alt and mouse-wheel to move vertically. The mouse pointer must be on the rectangular area in the shape of a grabbing hand.

#### 2.6.1. Activating the dialog

The “Navigation” dialog is a dockable dialog; see the section 2.3절. “대화 상자와 도킹” for help on manipulating it.

You can access it:

- from the image menu: Windows → Dockable Dialogs → Navigation;

- from the Tab menu in any dockable dialog by clicking on and selecting Add Tab → Navigation,

- from the image-menu: View → Navigation window.

- You can access more quickly to it (but without the zoom functions) by clicking on the icon at the right bottom corner of the image window:

#### 2.6.2. Using the Navigation Dialog

The slider

  It allows easy zoom level control, more precise than with the Zoom command. This slider can also be moved using the mouse wheel when the mouse pointer is on the slider, or Ctrl and mouse wheel when the mouse pointer is on the rectangular area.

The buttons

  Zoom Out Zoom In and Zoom 1:1 are self explanatory.

  Adjust the zoom ratio so that the image becomes fully visible

    The zoom ratio is adjusted so that the whole image becomes visible in the window as it is.

  Adjust the zoom ratio so that the window is used optimally

    The image size and the zoom are adjusted so that the image is fully displayed with the lesser zoom.

  Reduce the image window to the size of the image display

    Restore the image window to the size which allows the image to be fully displayed with the zoom unchanged. This command is also as menu entry available. See 5.5절. “Shrink Wrap” for the details.

2.5. Histogram dialog |  | 2.7. 실행 취소 대화 상자

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