The Place Arc graphically
function is used to create a partial or complete circle using a graphical user interface rather than the numeric interface described in Place Arc/circle/ellipse. When this function is invoked CIRCAD will prompt to select a center point. This will be the center point of the circle that the arc will be created from. The next prompt will ask to select radius/start point. In this step 2 parameters are defined at once. One, the radius of the circle that the arc is to be created from, and two, the the starting point of one of the end points of the arc. The final prompt will be to select end point. The arc that is constructed will be from the start point of the arc to the intersection of the arc and an imaginary line from the center of the source circle and the crosshair cursor.