Tessellation Delimited by Several Sets
Given a list of windows, construct the tessellation formed by all combinations of inclusion/exclusion of these windows.
venn.tess(..., window = NULL, labels=FALSE)
... |
Sets which delimit the tessellation.
Any number of windows (objects of class |
window |
Optional. The bounding window of the resulting tessellation.
If not specified, the default is the union of all the
arguments |
labels |
Logical value, specifying whether to attach marks to each tile that reveal how it was formed. |
The arguments ... may be any number of windows.
This function constructs a tessellation, like a Venn diagram,
whose boundaries are made up of the boundaries of these sets.
Each tile of the tessellation is defined by one of the
possible combinations in which each set is either included or
excluded.
If the arguments ... are named, then the resulting tiles
will also have tile names, which identify the inclusion/exclusion
combinations defining each tile. See the Examples.
If labels=TRUE then the tiles have marks which indicate the
inclusion/exclusion combinations defining each tile.
See the Examples.
A tessellation (object of class "tess").
Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk.
A <- square(1) B <- square(c(-0.5,0.5)) W <- square(c(-1, 1.5)) V <- venn.tess(A=A, B=B, window=W) V plot(V, do.labels=TRUE) Vlab <- venn.tess(A=A, B=B, window=W, labels=TRUE) marks(Vlab)
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