Irrigation circle

From Wikiagro.com

It allows to create circles by specifying their center point and radius/area on Polygon layers.

1.  Select from the drawing tools Draw irrigation circle.  The following window will pop up.

2.  You need to enter the center of the circle, using one of these two methods:

a.  Manually enter the latitude and longitude coordinates 

b.  Automatically input the coordinates by clicking on the viewer.  In this case the tool window will close until it detects the coordinates.

3.  You must specify the circle area or radius, and then click on Accept to finish.

Warning:

The tool is available when the selected layer is Polygon. The circle is drawn on the currently selected layer from the Reference Panel.