Change in Line 308#1
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Dear package authors, Raster bricks with NA values produce errors. Reproducable example: x <- raster(matrix(data = c(NA, 20, 7, NA, NA, 18, NA, 5, 1, 21, 3, 15, 22, 17, 12, 14), nrow = 4, ncol = 4, byrow = T)) y <- raster(matrix(data = c(690, NA, 673, 442, 750, 620, 680, 491, 467, NA, 624, 590, NA, NA, 727, 462), nrow = 4, ncol = 4, byrow = T)) x <- brick(x, y) xy <- cbind(1:ncell(x),getValues(x)) xy <- na.omit(xy) dataCells <- xy[,1] adj <- adjacent(x, cells=dataCells, pairs=TRUE, target=dataCells, directions=directions) x.minus.y <- xy[adj[,1],-1]-xy[adj[,2],-1] Error in xy[adj[, 1], -1] : subscript out of bounds I therefore suggest to replace "x.minus.y <- xy[adj[,1],-1]-xy[adj[,2],-1]" in line 308 with "x.minus.y <- getValues(x)[adj[,1],] - getValues(x)[adj[,2],]". Kind regards, Christian Düben
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Dear package authors,
Raster bricks with NA values produce errors.
Reproducable example:
x <- raster(matrix(data = c(NA, 20, 7, NA, NA, 18, NA, 5, 1, 21, 3, 15, 22, 17, 12, 14), nrow = 4, ncol = 4, byrow = T))
y <- raster(matrix(data = c(690, NA, 673, 442, 750, 620, 680, 491, 467, NA, 624, 590, NA, NA, 727, 462), nrow = 4, ncol = 4, byrow = T))
x <- brick(x, y)
xy <- cbind(1:ncell(x),getValues(x))
xy <- na.omit(xy)
dataCells <- xy[,1]
adj <- adjacent(x, cells=dataCells, pairs=TRUE, target=dataCells, directions=directions)
x.minus.y <- xy[adj[,1],-1]-xy[adj[,2],-1]
Error in xy[adj[, 1], -1] : subscript out of bounds
I therefore suggest to replace "x.minus.y <- xy[adj[,1],-1]-xy[adj[,2],-1]" in line 308 with "x.minus.y <- getValues(x)[adj[,1],] - getValues(x)[adj[,2],]".
Kind regards,
Christian Düben