Description Usage Arguments Details Value See Also Examples
Simple wrapper for points
to plot data derived from an image over that image.
1 | data.overlay(img, over, ...)
|
img |
character, an image file path. |
over |
a data frame, data table, or matrix with two columns, the first representing x and the second y coordinates. |
... |
other arguments to be passed to |
Simply plots 2D dimensional data over the image specified in img
. May be useful in plotting output from trackter
's kin functions.
The image is plotted in the graphics device with points given in x
kin.free
, kin.search
, kin.simple
1 2 3 4 5 6 7 8 9 | f <-system.file("extdata/img", "sunfish_BCF.jpg", package = "trackter")
d <- dim(EBImage::readImage(f))
x <- runif(10,1,d[1])
y <- runif(10,1,d[2])
pts <- cbind(x,y)
data.overlay(img=f,over=pts,col="red",type="p")
|
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