X-Git-Url: https://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FMain.hs;h=1a716836c5db52096e7c15e6caaf45e307ba83cc;hb=b6ce041d136d56fb3d0638c4abadbae64b94b2e5;hp=b65cc4bdbbd76d6737bde002e18ae4c0e0dcf9bb;hpb=ec2bcae0167bcc09c30e7618a5d7601510593610;p=spline3.git

diff --git a/src/Main.hs b/src/Main.hs
index b65cc4b..1a71683 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -4,34 +4,26 @@ where
 import qualified Data.Array.Repa as R
 import System.Environment (getArgs)
 
-import Grid (make_grid, zoom, zoom_chunk)
-import MRI
-
+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 = main2d_chunk
-
-
-main2d_chunk :: IO ()
-main2d_chunk = 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_slice3 50 arrInv
-  let dbl_data = R.map fromIntegral arrSlice
-  let g = make_grid 1 dbl_data
-  let output = zoom_chunk g zoom_factor
-  write_values_chunk_to_bitmap output out_file
-
-
+main = main3d
 
 main3d :: IO ()
 main3d = do
@@ -40,14 +32,13 @@ main3d = do
   let zoom_factor = (scale, scale, scale)
   let out_file = "output.bin"
   arr <- read_word16s in_file
-  let arr' = swap_bytes arr
---  let arrInv   = flip_x $ flip_y arr'
-  let arrMRI = R.reshape mri_shape arr'
-  let dbl_data = R.force $ R.map fromIntegral arrMRI
-  let g = make_grid 1 dbl_data
-  let output = zoom g zoom_factor
-  let word16_output = bracket_array output
+  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 ()
@@ -57,11 +48,13 @@ main2d = do
   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
+  arrSlice <- R.computeUnboxedP $ z_slice 50 $ flip_x $ flip_y $ swap_bytes arr
   let arrSlice' = R.reshape mri_slice3d arrSlice
-  let dbl_data = R.map fromIntegral arrSlice'
-  let g = make_grid 1 dbl_data
-  let output = zoom g zoom_factor
-  write_values_slice_to_bitmap (z_slice 0 output) out_file
+
+  -- 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