#### 8.1.6 Ellipse

• Ellipse( <A>, <Rx>, <Ry> [, direction] ).
• Description: draw an ellipse with center <A> radius <Rx> and <Ry> on respective axes $Ox$ and $Oy$. The last parameter <direction> is an angle (in degrees), zero by default that is showing the direction of the ellipse with respect to the horizontal.

 \begin{texgraph}[name=ellipse,export=pgf]   view(-5.25,5.25,-5.25,5.25),   Marges(0,0,0,0), size(7.5),   background(full,blue),   Width:=4, Color:=white,   inclin:=[0,35,-35],   for z in inclin do    Ellipse(0,5,2,z)   od,   Width:=2*mm, Ellipse(0,1.5,4.5),   Label(-0.1,     "\resizebox{6cm}{3.5cm}{R\ T\ F}")   \end{texgraph}

Ellipses