Description Usage Author(s) See Also Examples
Gets the index of a spot given its location. The location can either be a vector containing the grid row and the grid column and the spot row and the spot column in that grid, or it can be the same fields as seperate arguments.
1 2 |
Henrik Bengtsson (http://www.braju.com/R/)
This method corresponds to image2id (see id2image
) in
the sma package.
For more information see Layout
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | # Example 1
layout <- Layout(4,4, 18,18)
idx <- getIndex(layout, 2, 3, 4, 3) # 2001
idx <- getIndex(layout, c(2, 3, 4, 3)) # 2001 (equivalent)
loc <- getLocation(layout, idx) # 2 3 4 3
# Example 2
SMA$loadData(c("mouse.data", "mouse.setup"))
raw <- RawData(mouse.data, layout=as.Layout(mouse.setup))
ma <- getSignal(raw)
layout <- getLayout(ma)
plotSpatial(ma)
# Highlights spot number 2462
idx <- 2462
highlight(ma, idx, col="purple")
# Highlights the spot at grid (2,3) and its spot (4,3)
idx <- getIndex(layout, 2, 3, 4, 3); # Spot #2460
highlight(ma, idx, col="purple")
# Highlights all spots in grid (1,2)
idx <- getIndices(layout, 1,2, NULL,NULL)
highlight(ma, idx, col="purple")
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