(also conic projection)
A map projection in which an area of the earth is projected on to a cone, of which the vertex is usually above one of the poles.
- Among his other achievements was the fact that he invented the conical projection, an important projection of the sphere onto a plane which is used in cartography.
- With south oriented at its top, scales of latitude, and a complex conical projection, this was a cutting-edge world map.
- His maps were the first known to use conic projections.
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