A ray is a line in three-dimensional space that starts at a point and extends to infinity. Because rays extend to infinity, they are not calculated as part of the drawing extents. The default method for drawing a ray is to select the start point of the ray, and then specify its direction. You can draw a ray in any of the following ways:
- Horizontal draws the ray parallel to the x-axis of the current user coordinate system (UCS).
- Vertical draws the ray parallel to the y-axis of the current UCS.
- Angle draws the ray parallel to a specified angle.
- Bisect draws the ray perpendicular to an existing entity.
- Parallel draws the ray parallel to an existing entity.
To draw a ray
- Do one of the following:
Specify the start point.
Specify the direction.
To complete the command, press Enter.
- Choose Insert > Ray.
- On the Draw 2D toolbar, click the Ray tool ().
- Type ray and then press Enter.
Start point (A) and direction (B).