# Graphical operation

#### Graphical window definition

In the configuration, graphical elements such as exposure windows and detection areas can now be easily edited with the mouse. The processing of these graphic elements is subject to a uniform operating concept, which is explained in the following table.

Action | Explanation
--- | ---
Create exposure/detection window | Draw a window using the mouse pointer.
Move the exposure window/detection area | Left-click on the exposure window / detection area and move it to the desired position.
Change the exposure window/detection area | Move the mouse pointer over one of the white "handles" until the icon is displayed. Left-click with the mouse and drag the window making it larger or smaller.
Rotate the exposure window/detection area | Click on and, while holding the mouse button down, rotate the green area clockwise or counterclockwise.
Change the shape of the exposure window/detection area | Switch to polygon mode by clicking on . You will see white corner points on the corners. Drag the corner points to the desired position. You can insert new corner points by right-clicking on the white line or in the green area. Right-click on a dot to delete a corner point. Then click on .
Delete exposure/detection window | Click on .
Exclude area from analysis | Pull open a window of the appropriate size at the position that should be excluded from the analysis. Click in the window and keep the mouse button depressed until two icons appear. Click on to determine the exclusion window. The window turns red.

Note
The processing status of graphical window elements is indicated by a yellow or a green window color. If a window is yellow, it cannot be edited. An example of this are predefined exposure windows. On the other hand, green windows, such as custom exposure windows, can be graphically edited.