module Main
where
-import Data.Array.Repa (
- Array,
- DIM1,
- DIM3,
- Shape,
- Z(..),
- (:.)(..),
- index,
- reshape,
- toList
+import qualified Data.Array.Repa as R
+import System.Environment (getArgs)
+
+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
)
-import Data.Array.Repa.IO.Vector (readVectorFromTextFile)
+in_file :: FilePath
+in_file = "./data/mri.bin"
+
---import Grid(make_grid, zoom)
+main :: IO ()
+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.compute $ R.map fromIntegral arrMRI
+ let output = zoom dbl_data zoom_factor
+ let word16_output = R.compute $ round_array output
+ write_word16s out_file word16_output
-read_mri_data :: IO (Array DIM1 Int)
-read_mri_data = readVectorFromTextFile "./data/mridata.txt"
-mri_shape :: DIM3
-mri_shape = (Z :. 256 :. 256 :. 109)
+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.computeUnboxed $ z_slice 50 $ flip_x $ flip_y $ swap_bytes arr
+ let arrSlice' = R.reshape mri_slice3d arrSlice
-main :: IO ()
-main = do
- mridata <- read_mri_data
- let mridata2 = reshape mri_shape mridata
- let tmp = Data.Array.Repa.toList mridata2
- print tmp
--- let g = make_grid 1 (Data.Array.Repa.toList mridata2)
--- let output = zoom g 2
--- print "Hello, world."
+ -- 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.compute $ R.map fromIntegral arrSlice'
+ let output = zoom dbl_data zoom_factor
+ let arrSlice0 = R.computeUnboxed $ z_slice 0 output
+
+ write_values_slice_to_bitmap arrSlice0 out_file