R tools for processing Level 2 Cloud Mask products from MODIS

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Documentation for package ‘modiscloud’ version 0.14

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modiscloud-package Process MODIS cloud mask product files to TIF
adf Convert to data.frame, without factors
adf2 Convert to data.frame, without factors
byteint2bit Convert a byte integer (0-255) to a list of 8 bits
byteint2bit_list Convert a list of byte integer (0-255) to a table of 8 bits per row
check_for_matching_geolocation_files Checks that every MODIS cloud project HDF has a matching MOD03 file
dates_from_fileslist Convert each MODIS filename to year, month, day, hourmin
extract_bit Get the value of a particular bit in a byte
extract_fn_from_path Get the filename from a path
extract_time_from_MODISfn Extract the year, day, and hour from a MODIS filename
fermat.test Test an integer for primality with Fermat's little theorem
foo Test function
foo2 Test function
get_bitgrid Extract the value of a particular bit at each pixel
get_bitgrid_2bits extract the value of 2 particular bits at each pixel
get_dates_from_POSIXct Get the time information from POSIXct times
get_date_from_POSIXct Get the time information from a POSIXct time
is.pseudoprime Check an integer for pseudo-primality to an arbitrary precision
is.pseudoprime2 Check an integer for pseudo-primality to an arbitrary precision, second version
make_cloudcount_product Take a cloudcount raster and a number-of-observations raster and make a fraction cloud product
make_POSIXct_date Take year, month, day, hourmin, convert to POSIXct
make_weeks_list Make a list of numbered weeks
modfns_to_ftp_download_cmd Make download commands for MODIS files
modiscloud Process MODIS cloud mask product files to TIF
numslist_to_grd Convert a list of numbers to a grid
run_swath2grid Run MRTSwath swath2grid tool
slashslash Remove double slash (slash a slash)
sum_bitgrid Take a series of byte tifs, extract the values of a bit, and add them up
unlist_df Unlist the columns in a data.frame
unlist_df2 Unlist the columns in a data.frame, with more checks
write_MRTSwath_param_file Write a parameter control file for MRTSwath
yearday_to_date Convert a year + a day number to a date
yearmonthday_to_julianday Get the julian day for a year/month/day date