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The (GUI) User Interface of getIT
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The (GUI) User Interface of getIT
GUI The graphical user interface influences the appearance of a program. It deter-
mines which menus there are, how the individual functions can be called up, how
and where files, e.g., images, are displayed, and much more. This chapter
describes the basic elements of GUI.
Button bars The most important commands are linked to a button providing you with quick
and easy access to them.
Menu bar Some commands can be accessed through the corresponding menu.
Status bar The status bar contains the name of the camera and the current zoom factor of
the active image.
Image buffer box Your software assigns an individual image buffer to each image. When you start
up your image acquisition software all available image buffers will be empty.
While working with the program, you fill each individual image buffer by loading
or acquiring images. This means that many images are simultaneously accessi-
ble during any given work session. Only one image buffer however, may be
active at a time.
You can hide the image buffer box to create more room for other windows, for
example: use the [Alt + 2] shortcut.
Image window
Viewport
The image window is a special window which enables you to view all of your
loaded images. It is possible to view up to 9 images simultaneously. To display
them, the image window is divided up into several windows, i.e. viewports. Each
viewport can display a single image.
Images button bar The image window contains a button bar with which you can quickly alter the
appearance of the images in the image window.
Zoom factor The zoom factor shows you by what percentage you have zoomed the image in
or out.
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An automatic zoom factor is set by default. This means that the zoom factor
is adapted to the current size of the Viewport. Alter the size of the window;
in doing so, the image will be zoomed out so that it can always be viewed
in its entirety. In doing so, the zoom factor will not be greater than 100%.
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You can enter a different zoom factor for each Viewport.
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The current zoom factor will be shown in the Viewport's header.
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When using a zoom factor of 100%, a pixel on the monitor corresponds
exactly to one image pixel.
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A fixed zoom factor does not change when you change the size of the View-
port. Thus, in certain cases, only an image segment will be displayed in the
Viewport.
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As soon as an image is larger than the Viewport, a slide control appears
which enables you to move the image in the Viewport to and fro.
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Move the image directly via Pan&Scroll. Click into the image and keep the
mouse button depressed. If the image is larger than the Viewport, the
pointer changes its form. You now move the image by moving the mouse.