speedlearner 0 Posted November 7, 2015 Report Share Posted November 7, 2015 I don't understand the X-Axis-Rotation. One definition says it indicates how the ellipse is rotated relative to the current coordinate system. What do they mean by rotated? What do they mean by the current coordinate system? Quote Link to post Share on other sites
Ingolme 1,019 Posted November 8, 2015 Report Share Posted November 8, 2015 Do you have a link to the page where you read this? The current coordinate system would be the screen, where X is left to right and Y is up to down. Without more context I can't be sure what they mean by X-axis rotation. In 3D space, x-axis rotation would be rotation around the x-axis, but the ellipse is a 2D figure so I'm assuming they actually mean z-axis rotation which would be rotation of the ellipse on the plane of the screen. Quote Link to post Share on other sites
speedlearner 0 Posted November 9, 2015 Author Report Share Posted November 9, 2015 Here is the hyperlink to the article I was reading: http://www.itk.ilstu.edu/faculty/javila/SVG/SVG_drawing1/elliptical_curve.htm Quote Link to post Share on other sites
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