All Questions
6 questions
0
votes
2
answers
124
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Is there anything to stop an image being projected onto the side walls in a pinhole camera/camera obscura?
I always see diagrams of how a camera obscura works where the projected image neatly stops before or at the edges of the wall opposite the pinhole.
But when I look at pictures and videos of rooms ...
- 133
1
vote
1
answer
140
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Projection of a Pentagonally-tiled Sphere
I know that a regular pentagonal tiling does not work in Euclidian space, but does work on a sphere. But this got me wondering something that I hope people can help with here, because I can't find any ...
- 218
1
vote
1
answer
177
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Proof of method to determine whether or not equally-sized axis-aligned disjoint cubes overlap each other when rendered.
Consider two opaque equally-sized axis-aligned disjoint cubes somewhere in three dimensional Euclidean space. Additionally there is a point in that space outside of the cubes that represents a camera ...
- 15
5
votes
2
answers
3k
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Relationship Between Hyperbolas and Hyperbolic Spaces
I am trying to understand the difference between Hyperbolic Functions and Hyperbolic Spaces.
In my very limited knowledge of mathematics, I have only come across:
Hyperbolas : https://i.ytimg.com/vi/...
- 3,437
0
votes
1
answer
893
views
What is topological distortion?
I understand the view confusion and struggling to understand topological distortion. I read from this website that the points of the plane that is parallel to the view plane and also passes through ...
- 1
1
vote
0
answers
53
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Volumes of bodies in $\mathbb R^3$ and $\mathbb R^6$
In $\mathbb R^3$ define a brick to be of the form $[a,b] \times [c,d] \times [e,f] $
Define a body to be a finite union of bricks.
For any object $X$, let $|X|$ denote its "volume". Further, denote ...
- 2,693