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Circles to Lineselkement |
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€ 153.71
Enthält 13.5% MwSt.
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2024 · Bleistiftkonstruktion, Aquarellstifte, Kugelschreiber, Gelschreiber
· Picture ID: 1619644
Drawing of stereographic projections of circles on a sphere on lines in the equatorial plane. Traditional descriptive geometry, axonometry based on projections from "above" and from "the side". Pencil, watercolour pencil, biros, gel pen on watercolour paper.
A line is simply a circle, albeit with an infinite radius.
Circles on the surface of a sphere are projected onto the equatorial plane by connecting each point of the circle to the north pole and intersecting this connecting ray with the base plane.
The closer a point is to the North Pole, the further away the projection target is from the origin of the coordinate system. The North Pole itself is mapped to infinity. In a map of the earth constructed in this way, the North Pole would be missing; another projection from the South Pole would be needed to completely cover the northern hemisphere.
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+43 4257 29415
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