module Main
where
-import Data.Array.Repa (
- DIM2,
- DIM3,
- Z(..),
- (:.)(..),
- slice,
- reshape,
- Any(..),
- All(..)
- )
-import qualified Data.Array.Repa as R (map)
-
-import Data.Array.Repa.IO.BMP (writeComponentsToBMP)
-import Data.Word
+import qualified Data.Array.Repa as R
import System.Environment (getArgs)
-import Grid (make_grid, zoom)
-import MRI
-import Values (read_values_3d, write_values_1d)
+import Grid (zoom)
+import MRI (
+ flip_x,
+ flip_y,
+ mri_shape,
+ mri_slice3d,
+ read_word16s,
+ round_array,
+ swap_bytes,
+ write_values_slice_to_bitmap,
+ write_word16s,
+ z_slice
+ )
-mri_shape2d :: DIM2
-mri_shape2d = (Z :. 256*2 :. 256*2)
+in_file :: FilePath
+in_file = "./data/mri.bin"
-mri_shape3d :: DIM3
-mri_shape3d = (Z :. 256 :. 256 :. 1)
main :: IO ()
-main = do
--- args <- getArgs
--- let color = head args
--- let in_file = "./data/MRbrain.40." ++ color
- let out_file = "MRbrain.50.red.out"
- arr <- read_word16s
- let arrBrack = bracket_array arr
- let arrInv = flip_x $ flip_y arrBrack
- let arrSlice = slice arrInv (Any :. (50 :: Int) :. All :. All)
- let arrColor = raw_data_to_color arrSlice
-
- let arrColor' = reshape mri_shape3d arrColor
- let rdata = red_dbl_data arrColor'
- let gdata = green_dbl_data arrColor'
- let bdata = blue_dbl_data arrColor'
-
--- mridata <- read_values_3d mri_shape in_file
-
- let gr = make_grid 1 rdata
- let routput = zoom gr (2,2,1)
-
- let gg = make_grid 1 gdata
- let goutput = zoom gg (2,2,1)
-
- let gb = make_grid 1 bdata
- let boutput = zoom gb (2,2,1)
-
- let routput' = R.map double_to_word8 (reshape mri_shape2d routput)
- let goutput' = R.map double_to_word8 (reshape mri_shape2d goutput)
- let boutput' = R.map double_to_word8 (reshape mri_shape2d boutput)
-
--- write_values_1d output out_file
- writeComponentsToBMP out_file routput' goutput' boutput'
- where
- double_to_word8 :: Double -> Word8
- double_to_word8 x =
- if x > 255 then
- 255 :: Word8
- else
- if x < 0 then
- 0 :: Word8
- else
- fromIntegral $ truncate x
+main = main3d
+
+main3d :: IO ()
+main3d = do
+ (s:_) <- getArgs
+ let scale = read s :: Int
+ let zoom_factor = (scale, scale, scale)
+ let out_file = "output.bin"
+ arr <- read_word16s in_file
+ let arr' = swap_bytes arr
+ let arrMRI = R.reshape mri_shape arr'
+ let dbl_data = R.force $ R.map fromIntegral arrMRI
+ let output = zoom dbl_data zoom_factor
+ let word16_output = round_array output
+ write_word16s out_file word16_output
+
+
+main2d :: IO ()
+main2d = do
+ (s:_) <- getArgs
+ let scale = read s :: Int
+ let zoom_factor = (1, scale, scale)
+ let out_file = "output.bmp"
+ arr <- read_word16s in_file
+ let arr' = swap_bytes arr
+ let arrInv = flip_x $ flip_y arr'
+ let arrSlice = z_slice 50 arrInv
+ let arrSlice' = R.reshape mri_slice3d arrSlice
+ let dbl_data = R.map fromIntegral arrSlice'
+ let output = zoom dbl_data zoom_factor
+ write_values_slice_to_bitmap (z_slice 0 output) out_file