intersect.tess
From spatstat v1.16-2
by Adrian Baddeley
Intersection of Two Tessellations
Yields the intersection of two tessellations, or the intersection of a tessellation with a window.
Usage
intersect.tess(X, Y, ...)
Arguments
Details
A tessellation is a collection of disjoint spatial regions
(called tiles) that fit together to form a larger spatial
region. See tess
.
If X
and Y
are not tessellations, they are first
converted into tessellations by as.tess
.
The function intersect.tess
then computes the intersection between
the two tessellations. This is another tessellation, each of whose
tiles is the intersection of a tile from X
and a tile from Y
.
One possible use of this function is to slice a window W
into
subwindows determined by a tessellation. See the Examples.
Value
- A tessellation (object of class
"tess"
).
See Also
Examples
opa <- par(mfrow=c(1,3))
# polygon
data(letterR)
plot(letterR)
# tessellation of rectangles
X <- tess(xgrid=seq(2, 4, length=10), ygrid=seq(0, 3.5, length=8))
plot(X)
plot(intersect.tess(X, letterR))
A <- runifpoint(10)
B <- runifpoint(10)
plot(DA <- dirichlet(A))
plot(DB <- dirichlet(B))
plot(intersect.tess(DA, DB))
par(opa)
Community examples
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