https://github.com/mthaler/primespiral

primespiral visualizes prime numbers using polar coordinates
https://github.com/mthaler/primespiral

golang prime-numbers visualization webapp

Last synced: 2 days ago
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primespiral visualizes prime numbers using polar coordinates

• Host: GitHub
• URL: https://github.com/mthaler/primespiral
• Owner: mthaler
• License: bsd-3-clause
• Created: 2020-08-23T19:17:56.000Z (about 4 years ago)
• Default Branch: master
• Last Pushed: 2020-08-24T07:53:28.000Z (about 4 years ago)
• Last Synced: 2023-03-24T11:39:33.468Z (over 1 year ago)
• Topics: golang, prime-numbers, visualization, webapp
• Language: Go
• Homepage:
• Size: 5.86 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# primespiral

A small program that visualizes prime numbers using polar coordinates. Each prime number is plotted as a point (r, theta) = (p, p) where r is the radius, theta the angle and p a prime number.

# Requirements

To build primespiral [primegen](https://github.com/jbarham/primegen) and [Go Graphics](https://github.com/fogleman/gg) need to be installed. Do `go get github.com/jbarham/primegen` and  `go get github.com/fogleman/gg` to install these packages.

# Usage

Run primespiral with `go run primesprial.go`

Open a web browser and enter `http://localhost:8080/primes?max=1000&pointsize=10`

The *max* query parameter specifies the largest prime number that is drawn and the *pointsize* parameter sets the size of the points.

# Credits

This program was inspired by the wonderful video [Why do prime numbers make these spirals?](https://www.youtube.com/watch?v=EK32jo7i5LQ)