# boundingbox

0th

Percentile

##### Bounding Box of a Window, Image, or Point Pattern

Find the smallest rectangle containing a given window(s), image(s) or point pattern(s).

Keywords
utilities, spatial
##### Usage
boundingbox(…)# S3 method for default
boundingbox(…)# S3 method for im
boundingbox(…)# S3 method for owin
boundingbox(…)# S3 method for ppp
boundingbox(…)# S3 method for solist
boundingbox(…)
##### Arguments

One or more windows (objects of class "owin"), pixel images (objects of class "im") or point patterns (objects of class "ppp"). Alternatively, the argument may be a list of such objects, of class "solist".

##### Details

This function finds the smallest rectangle (with sides parallel to the coordinate axes) that contains all the given objects.

For a window (object of class "owin"), the bounding box is the smallest rectangle that contains all the vertices of the window (this is generally smaller than the enclosing frame, which is returned by as.rectangle).

For a point pattern (object of class "ppp"), the bounding box is the smallest rectangle that contains all the points of the pattern.

For a pixel image (object of class "im"), the image will be converted to a window using as.owin, and the bounding box of this window is obtained.

If the argument is a list of several objects, then this function finds the smallest rectangle that contains all the bounding boxes of the objects.

##### Value

owin, as.owin, as.rectangle

##### Aliases
• boundingbox
• boundingbox.default
• boundingbox.im
• boundingbox.owin
• boundingbox.ppp
• boundingbox.solist
##### Examples
# NOT RUN {
w <- owin(c(0,10),c(0,10), poly=list(x=c(1,2,3,2,1), y=c(2,3,4,6,7)))
r <- boundingbox(w)
# returns rectangle [1,3] x [2,7]

w2 <- unit.square()
r <- boundingbox(w, w2)
# returns rectangle [0,3] x [0,7]
# }

Documentation reproduced from package spatstat, version 1.52-1, License: GPL (>= 2)

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