QCad User Reference Manual

## Ellipses

### Full Ellipse

CAD Toolbar:

Menu:

Draw - Ellipse - Ellipse

Command:

?

Description:

Draws ellipses with a given center, major axis and minor axis.

Procedure:

1. Set the center of the ellipse using the mouse or enter a co-ordinate in the command line.
2. Define the major axis by clicking the endpoint of the axis, which is a point on the ellipse. You can also enter a co-ordinate into the command line or enter an angle and major radius in the format `@50<30` where 50 is the major radius and 30 is the ellipse angle.
3. Define the endpoint of the minor axis which is also a point on the ellipse.

### Ellipse Arc

CAD Toolbar:

Menu:

Draw - Ellipse - Ellipse Arc

Command:

?

Description:

Draws ellipse arcs with a given center, major and minor axis and start and end angles.

Procedure:

1. Set the center of the ellipse using the mouse or enter a co-ordinate in the command line.
2. Define the major axis by clicking the endpoint of the axis, which is a point on the ellipse. You can also enter a co-ordinate into the command line or enter an angle and major radius in the format `@50<30` where 50 is the major radius and 30 is the ellipse angle.
3. Define the endpoint of the minor axis which is also a point on the ellipse or enter the length of the minor axis.
4. Set the start angle with the mouse or by entering a co-ordinate or the angle amount in the command line.
5. Set the end angle the same way as the start angle.