Dear All,
I want to subset a large spatial grid (2000*2000) into many smaller
grids for further processing in my simulation models. Could anyone do it
before and any tips will be highly appreciated?
Library(rgdal)
Map <- readGDAL("yong.img") # one image from erdras imagine
Map$va <- Map$band1
Map$band1 <- NULL
????
Map1 <- a subset of Map$va based on selected cols and rows.
????......
Cheers
Yong Li
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