There is also an equal-angle hemispherical projection defined by stereographic projection.
2.
In this context the projection is called the "'equal-area hemispherical projection " '.
3.
Single-projector fulldome video systems use a single ( or mixed ) video source displayed through a single fisheye lens, typically located at or near the center of a hemispherical projection surface.
4.
Multiple-projector fulldome video systems rely on two or more video projectors edge-blended to create a seamless image that covers a hemispherical projection surface; splitting the entire image up into segments allows for higher-resolution imagery and projector placement that does not intrude on the viewing area underneath the dome.
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