# NOT RUN {
## First download the map
# downloadCMBMap(foreground = "smica", nside = 1024)
# df <- CMBDataFrame("CMB_map_smica1024.fits")
# pixelArea(df)
df1 <- CMBDataFrame(nside = 64,
coords = "cartesian",
ordering = "nested")
pixelArea(df1)
# }
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