# NOT RUN {
## Make VeloxRaster
mat <- matrix(1:100, 10, 10)
vx <- velox(mat, extent=c(0,1,0,1), res=c(0.1,0.1), crs="+proj=longlat +datum=WGS84 +no_defs")
## Crop
vx$crop(c(0.3,0.7,0.3,0.7))
vx$extent
# }
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