Astra Image

Other Topics

General Operation

Image Display

You can zoom an image in and out using one of the following methods:

Click one of the toolbar buttons
Select one of the zoom settings in the View > Zoom To menu.
Roll the scroll wheel on your mouse.

Images can be dragged by clicking and holding the right mouse button.

Region of Interest

A region of interest can be defined by clicking and holding the left mouse button and moving the mouse on the image. After a region has been defined, it can be copied to the clipboard, or the image can be cropped to the region.

Region of Interest

Previews

The Preview window shows a subset of the main image. The area of the image displayed by the preview window can be changed by dragging it with the mouse, or by using the Navigator. The Preview window itself can be moved but not closed. When the Before / After button is clicked and held with the left mouse button, the original unprocessed image is displayed. The processed image is displayed again when the mouse button is released.

The Before / After button.

The Show / Hide the Navigator button.

Preview Window

Status Window

The Status window shows the progress when a time-consuming operation is underway. This window can be moved and will close when the operation is complete.

Status Window

Status Bar

The status bar at the bottom of the Astra Image application contains some basic information:

File name: the file name of the current image. If the image has been pasted from the clipboard, the file name will be ‘Untitled’.
Size: the size of the current image in pixels, width x height.
Zoom: the current zoom setting.
Status: the status of the application. When an image processing function is working, this text can display the progress of the operation.

Status Bar

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