module Main
where
-import Data.Array.Repa (
- DIM3,
- Z(..),
- (:.)(..),
- )
-
+import qualified Data.Array.Repa as R
import System.Environment (getArgs)
-import Cube (tetrahedron)
-import Grid (cube_at, make_grid, zoom)
-import PolynomialArray (make_polynomial_array)
-import Tetrahedron (polynomial)
-import Values (read_values_3d, write_values_1d)
-
-mri_shape :: DIM3
-mri_shape = (Z :. 256 :. 256 :. 1)
-
+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"
main :: IO ()
-main = do
- args <- getArgs
- let color = head args
- 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 polynomials = make_polynomial_array (255,255,0,23)
- [ ((i,j,k,tet), polynomial t) | i <- [0..255],
- j <- [0..255],
- k <- [0],
- tet <- [0..23],
- let c = cube_at g i j k,
- let t = tetrahedron c tet ]
-
- let output = zoom g polynomials (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'
+ let dbl_data = R.computeS $ R.map fromIntegral arrMRI
+ let output = zoom dbl_data zoom_factor
+ let word16_output = R.computeS $ 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 arrSlice = R.computeUnboxedS $ 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.
+ let dbl_data = R.computeS $ R.map fromIntegral arrSlice'
+ let output = zoom dbl_data zoom_factor
+ let arrSlice0 = R.computeUnboxedS $ z_slice 0 output
+
+ write_values_slice_to_bitmap arrSlice0 out_file