Insert an ellipse

Wizard for inserting an ellipse into the tactile graph. You must enter the coordinates of the center of the ellipse and the length of the two semi-axis, horizontal and vertical. The semi-axis are the segments that run from the centre of the ellipse to the curve of its perimeter. - Coordinates of the center of the ellipse X and Y: pair of values indicating the center point of the ellipse. - Length of Rx and Ry rays: Length of horizontal and vertical semi-axes.