src/Main.hs

   1 module Main
   2 where
   3
   4 import qualified Data.Array.Repa as R (map, force, reshape)
   5 import qualified Data.Array.Repa.IO.BMP as R (writeComponentsToBMP)
   6 import System.Environment (getArgs)
   7
   8 import Grid (make_grid, zoom)
   9 import MRI
  10 import Values (drop_z, zoom_shape)
  11
  12 main :: IO ()
  13 main =  main2d
  14
  15 in_file :: FilePath
  16 in_file = "./data/mri.bin"
  17
  18 main3d :: IO ()
  19 main3d = do
  20   (s:_) <- getArgs
  21   let scale = read s :: Int
  22   let zoom_factor = (scale, scale, scale)
  23   let out_file = "output.bin"
  24   arr <- read_word16s in_file
  25   let arr' = swap_bytes arr
  26 --  let arrInv   = flip_x $ flip_y arr'
  27   let arrMRI = R.reshape mri_shape arr'
  28   let dbl_data = R.force $ R.map fromIntegral arrMRI
  29   let g = make_grid 1 dbl_data
  30   let output = zoom g zoom_factor
  31   let word16_output = bracket_array output
  32   write_word16s out_file word16_output
  33
  34 main2d :: IO ()
  35 main2d = do
  36   (s:_) <- getArgs
  37   let scale = read s :: Int
  38   let zoom_factor = (1, scale, scale)
  39   let out_file = "output.bmp"
  40   arr <- read_word16s in_file
  41   let arr' = swap_bytes arr
  42   let arrInv   = flip_x $ flip_y arr'
  43   let arrSlice = z_slice 50 arrInv
  44   let arrSlice' = R.reshape mri_slice3d arrSlice
  45   let dbl_data = R.map fromIntegral arrSlice'
  46   let g = make_grid 1 dbl_data
  47   let output = zoom g zoom_factor
  48   let arrBrack = bracket_array output
  49   let mri_slice2d = drop_z $ zoom_shape zoom_factor mri_slice3d
  50   let colors = values_to_colors $ R.reshape mri_slice2d
  51                                 $ R.map fromIntegral arrBrack
  52   let routput = R.map (\(red, _,     _)    -> red)   colors
  53   let goutput = R.map (\(_,   green, _)    -> green) colors
  54   let boutput = R.map (\(_,   _,     blue) -> blue)  colors
  55   R.writeComponentsToBMP out_file routput goutput boutput