start
|
indices for jpn.x or jpn.y giving where each
block starts.
|
end
|
indices for jpn.x and jpn.y giving where each
block ends.
|
x
| 2 by 85 matrix. Each column gives minimum and maximum longitudes of each block. |
y
| 2 by 85 matrix. Each row gives minimum and maximum latitudes of each block. |
jpn.x
and jpn.y
,
used by jpn()
.