module Main
where
-import Data.Array.Repa (
- DIM3,
- Z(..),
- (:.)(..),
- )
-
+import qualified Data.Array.Repa as R
import System.Environment (getArgs)
-import Values (read_values_3d, write_values_1d)
-import Grid (make_grid, zoom)
+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
+ )
+
+in_file :: FilePath
+in_file = "./data/mri.bin"
-mri_shape :: DIM3
-mri_shape = (Z :. 256 :. 256 :. 1)
main :: IO ()
-main = do
- args <- getArgs
- let color = args !! 0
- let in_file = "./data/MRbrain.40." ++ color
- let out_file = "MRbrain.40." ++ color ++ ".out"
- mridata <- read_values_3d mri_shape in_file
- let g = make_grid 1 mridata
- let output = zoom g (8,8,1)
- write_values_1d output out_file
+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'
+ dbl_data <- R.computeUnboxedP $ R.map fromIntegral arrMRI
+ output <- zoom dbl_data zoom_factor
+ word16_output <- R.computeUnboxedP $ round_array output
+ write_word16s out_file word16_output
+ return ()
+
+
+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
+ arrSlice <- R.computeUnboxedP $ z_slice 50 $ flip_x $ flip_y $ swap_bytes arr
+ let arrSlice' = R.reshape mri_slice3d arrSlice
+
+ -- If zoom isn't being inlined we need to extract the slice before hand,
+ -- and convert it to the require formed.
+ dbl_data <- R.computeUnboxedP $ R.map fromIntegral arrSlice'
+ output <- zoom dbl_data zoom_factor
+ arrSlice0 <- R.computeUnboxedP $ z_slice 0 output
+
+ write_values_slice_to_bitmap arrSlice0 out_file