mixel: Composite images
In jdbcode/LandsatLinkr: Tools to spectrally link Landsat data

Composite images

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mixel(msswrs1dir, msswrs2dir, tmwrs2dir, oliwrs2dir, index, outdir, runname,
  useareafile, doyears = "all", order = "none", overlap = "mean",
  startday, endday, yearadj = 0)

`msswrs1dir`	character. list of mss wrs1 directory paths
`msswrs2dir`	character. list of mss wrs2 directory paths
`tmwrs2dir`	character. list of tm wrs2 directory path
`index`	character. spectral index to make composites for. options: "tca", "tcb", "tcg", "tcw"
`outdir`	character. path to output directory
`runname`	character. unique name for the composite set
`useareafile`	character. path to usearea file
`doyears`	??? what years to composite
`order`	character. how to order the images options "sensor_and_doy" and "doy"
`overlap`	character. how to deal with overlapping images. options: "mean"