General Equation of Ellipse (origin)
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- A B Cron
Three sliders, a, b, and α adjust the general equation of an ellipse.
a and b set the major and minor axis and α allows the ellipse to rotate.
What are the setting ranges for a, b, and α to show a vertical ellipse?
A horizontal ellipse?
What settings changes are needed to set the rotation of the ellipse to 45°, 120°, 215°, or 330°?
What settings create a circle?
What settings create a point?
Source: General Equation of Ellipse