View source: R/repgrid-plots.r
doRectanglesOverlap | R Documentation |
The overlap is assessed in x AND y.
doRectanglesOverlap(a, b, margin = 0)
a |
vector with four coordinates |
b |
vector with four coordinates |
logical
. TRUE if rectangles overlap.
## Not run:
#overlap in x and y
a <- c(0,0,2,2)
b <- c(1,1,4,3)
plot(c(a,b), c(a,b), type="n")
rect(a[1], a[2], a[3], a[4])
rect(b[1], b[2], b[3], b[4])
doRectanglesOverlap(a,b)
# b contained in a vertically
a <- c(5,0,20,20)
b <- c(0, 5,15,15)
plot(c(a,b), c(a,b), type="n")
rect(a[1], a[2], a[3], a[4])
rect(b[1], b[2], b[3], b[4])
doRectanglesOverlap(a,b)
# overlap only in y
a <- c(0,0,2,2)
b <- c(2.1,1,4,3)
plot(c(a,b), c(a,b), type="n")
rect(a[1], a[2], a[3], a[4])
rect(b[1], b[2], b[3], b[4])
doRectanglesOverlap(a,b)
## End(Not run)
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