Convert Spatial Object to Pixel Image
Convert a spatial object to a pixel image by measuring the amount of stuff in each pixel.
pixellate(x, ...)
x |
Spatial object to be converted.
A point pattern (object of class |
... |
Arguments passed to methods. |
The function pixellate converts a geometrical object x into
a pixel image, by measuring the amount of x that is
inside each pixel.
If x is a point pattern, pixellate(x) counts the
number of points of x falling in each pixel.
If x is a window, pixellate(x) measures the area
of intersection of each pixel with the window.
The function pixellate is generic, with methods for
point patterns (pixellate.ppp),
windows (pixellate.owin),
and
line segment patterns (pixellate.psp),
See the separate documentation for these methods.
The related function as.im
also converts x into a pixel image,
but typically measures only the presence or absence of
x inside each pixel.
A pixel image (object of class "im").
Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk.
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