Assertion: ellipse | /r/HasProperty | the circle image
Facets:
value: under parallel projection
type: LOCATION
value: under bounded case of perspective projection
type: OTHER
Source sentences:
text: Ellipse is the circle image under parallel projection and bounded case of perspective projection which is a simple intersection of the cone within the plane of projection.
text: A circle viewed from a side angle looks like an ellipse: that is, the ellipse is the image of a circle under parallel or perspective projection.