If a circular drawing line should be created, the insert mode has to be switched on, i.e. the insert button at the popup-menu or at the toolbar at the left hand side has to be pressed. After that the circle-button at the popup-menu or the toolbar on top has to be clicked on. Then you can create a circle with the mouse by clicking on the center and dragging the desired radius while pressing the mouse key.



In the toolbar on top the parameter for the center point, the radius and the start- and end-angle are displayed. The center point, the radius and the angles for start- and endpoint can also be marked and overwritten in the toolbar. Every alteration has to be confirmed with return.


The center point can be also moved by clicking and dragging it.


One possibility to create a circle segment is to click at the start- rsp. endpoint of the full circle with the mouse and drag as long as just the desired segment is visible. 

A second possibility is to input three points on the circle-line (without input of the center), these 3 points define a circle segment. You can make a full circle out of it by dragging the start- or endpoint.


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