Guide To Recognising Wallpaper Groups
To work out which wallpaper group corresponds to a given design, one may use the following table.
| Size of smallest rotation |
Has reflection? | |||||
|---|---|---|---|---|---|---|
| Yes | No | |||||
| 360° / 6 | p6m | p6 | ||||
| 360° / 4 | Has mirrors at 45°? | p4 | ||||
| Yes: p4m | No: p4g | |||||
| 360° / 3 | Has rot. centre off mirrors? | p3 | ||||
| Yes: p31m | No: p3m1 | |||||
| 360° / 2 | Has perpendicular reflections? | Has glide reflection? | ||||
| Yes | No | |||||
| Has rot. centre off mirrors? | pmg | Yes: pgg | No: p2 | |||
| Yes: cmm | No: pmm | |||||
| none | Has glide axis off mirrors? | Has glide reflection? | ||||
| Yes: cm | No: pm | Yes: pg | No: p1 | |||
See also this overview with diagrams.
Read more about this topic: Wallpaper Group
Famous quotes containing the words guide to, guide, recognising, wallpaper and/or groups:
“The Indian attitude toward the land was expressed by a Crow named Curly: “The soil you see is not ordinary soil—it is the dust of the blood, the flesh, and the bones of our ancestors. You will have to dig down to find Nature’s earth, for the upper portion is Crow, my blood and my dead. I do not want to give it up.””
—For the State of Montana, U.S. public relief program. Montana: A State Guide Book (The WPA Guide to Montana)
“Reach me a gentian, give me a torch!
let me guide myself with the blue, forked torch of this flower”
—D.H. (David Herbert)
“I am I because my little dog knows me but, creatively speaking the little dog knowing that you are you and your recognising that he knows, that is what destroys creation. That is what makes school.”
—Gertrude Stein (1874–1946)
“Either that wallpaper goes, or I do.”
—Oscar Wilde (1854–1900)
“Under weak government, in a wide, thinly populated country, in the struggle against the raw natural environment and with the free play of economic forces, unified social groups become the transmitters of culture.”
—Johan Huizinga (1872–1945)