Difference between revisions of "Hat"
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{{Stilllife|name=Hat|pname=hat|c=9|bx=5|by=4|discoveryear=1971| | {{Stilllife | ||
|name = Hat | |||
|pname = hat | |||
|c = 9 | |||
|bx = 5 | |||
|by = 4 | |||
|fc = 15.3 | |||
|discoveryear = 1971 | |||
|rulemin = B/S23 | |||
|rulemax = B378/S012345678 | |||
|rulespecial = [[Conway's Game of Life|Conway Life]] | |||
|isorulemin = B/S2-in3r | |||
|isorulemax = B2ikn34-ai5-y6-i78/S012345678 | |||
|synthesis = 3 | |||
|synthesisRLE = true | |||
|plaintext = true | |||
|rle = true | |||
|apgcode = xs9_4aar | |||
|niemiecid = 9.10 | |||
|pentadecathlonid = 9.1 | |||
}} | |||
'''Hat''' is a 9-bit [[still life]] that was discovered independently in [[:Category:Patterns found in 1971|1971]] by several [[Conway's Game of Life|Life]] enthusiasts and named by [[Charles Corderman]].<ref>{{citeLifeline|vol=2}}</ref> | '''Hat''' is a 9-bit [[still life]] that was discovered independently in [[:Category:Patterns found in 1971|1971]] by several [[Conway's Game of Life|Life]] enthusiasts and named by [[Charles Corderman]].<ref>{{citeLifeline|vol=2}}</ref> | ||
It (as well as similar still lifes such as [[table on table]]) can be used as an [[eater]] (in particular, a [[rock]]) stabilizing the [[twin bees shuttle]]. The mechanism has some similarities to [[snake]]-type eaters. | It (as well as similar still lifes such as [[table on table]]) can be used as an [[eater]] (in particular, a [[rock]]) stabilizing the [[twin bees shuttle]]. The mechanism has some similarities to [[snake]]-type eaters. | ||
==Commonness== | The [[loop]] and [[eleven loop]] can be seen as the long and long long versions of the hat. Orthogonally lengthened versions of the hat are also possible still life components (a long³ version appears in [[Cthulhu]]), though they are not still lifes of their own. | ||
Hat is the twenty-fifth most common [[still life]] in [[Achim Flammenkamp's census]], being less common than [[trans-boat with tail]] but more common than [[boat-ship-tie]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref> | |||
==[[List of common still lifes|Commonness]]== | |||
Hat is the twenty-fifth most common [[still life]] in [[Achim Flammenkamp's census]], being less common than [[trans-boat with tail]] but more common than [[boat-ship-tie]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref> It is also the thirty-third most common object on [[Adam P. Goucher]]'s [[Catagolue]].<ref>{{citeCatagolueStats|June 24, 2016}}</ref> | |||
==See also== | ==See also== | ||
*[[Sesquihat]] | *[[Sesquihat]] | ||
*[[Twin hat]] | *[[Twin hat]] | ||
Revision as of 04:42, 27 January 2019
| Hat | |||||||||
| View static image | |||||||||
| Pattern type | Strict still life | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 9 | ||||||||
| Bounding box | 5 × 4 | ||||||||
| Frequency class | 15.3 | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | 1971 | ||||||||
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Hat is a 9-bit still life that was discovered independently in 1971 by several Life enthusiasts and named by Charles Corderman.[1]
It (as well as similar still lifes such as table on table) can be used as an eater (in particular, a rock) stabilizing the twin bees shuttle. The mechanism has some similarities to snake-type eaters.
The loop and eleven loop can be seen as the long and long long versions of the hat. Orthogonally lengthened versions of the hat are also possible still life components (a long³ version appears in Cthulhu), though they are not still lifes of their own.
Commonness
Hat is the twenty-fifth most common still life in Achim Flammenkamp's census, being less common than trans-boat with tail but more common than boat-ship-tie.[2] It is also the thirty-third most common object on Adam P. Goucher's Catagolue.[3]
See also
References
- ↑ Robert Wainwright (June 1971). Lifeline, vol 2.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.
External links
- Hat at the Life Lexicon
- Hat at Adam P. Goucher's Catagolue
- The 10 nine-bit still-lifes at Mark D. Niemiec's Life Page
Categories:
- Patterns
- Patterns with Catagolue frequency class 15
- Natural periodic objects
- Periodic objects with minimum population 9
- Patterns with 9 cells
- Patterns found in 1971
- Patterns that can be constructed with 3 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 9 cells
- Patterns with bilateral orthogonal symmetry
- Eaters