Arc (Radius Begin End)
Draws an arc of predetermined radius by specifying the beginning and ending points of the arc and setting an optional third point to orient the arc in 3D space.
Point 1: Start of arc
Point 2: End of arc
Point 3: Orientation (3D Mode only) Enter the Radius in the Arc window.
If you select Draw as a Line, the arc will be drawn as line segments that follow the shape of an arc. Otherwise the arc will be stored as an actual arc. The arc format stores a center point, endpoint, and orientation point in the drawing. The line format stores a series of points for the line approximating the arc.
This command automatically creates an arc with a span of less than 180 degrees, the smallest possible arc based on the supplied radius and the first two points set.
Example: Create an arc with a radius of 20. Select the Arc (Radius, Begin-End) command. Enter the Radius as 20 in the window. Set a point somewhere around the center of the screen. Move the cursor up and to the right a couple of inches and set a second point. Now, move the cursor between the two points. Notice that DesignCAD forms a rubber-band arc. Set a third point to determine the orientation of the arc. The arc is inserted into the drawing.
N Segments: When saved as a line, this is the number of segments, into which the object will be divided.