Coordinates as images
These functions return pixel coordinates for an image, as an image. All is made clear in the examples (hopefully)
Xc(im) Yc(im) Zc(im) Cc(im)
im |
an image |
another image of the same size, containing pixel coordinates
Xc: X coordinates
Yc: Y coordinates
Zc: Z coordinates
Cc: C coordinates
as.cimg.function, pixel.grid
im <- imfill(5,5) #An image Xc(im) #An image of the same size, containing the x coordinates of each pixel Xc(im) %>% imrow(1) Yc(im) %>% imrow(3) #y is constant along rows Yc(im) %>% imcol(1) #Mask bits of the boats image: plot(boats*(Xc(boats) < 100)) plot(boats*(dnorm(Xc(boats),m=100,sd=30))) #Gaussian window
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