X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FMain.hs;h=c1456f4a94c968ac47d3c764b7bdbc3da9b26245;hb=3544d15ebbd0176c9aac2fd0e0e94468abc56879;hp=e577351cc257615a47b60ac455cb2376f2527e5c;hpb=3f0b6b7faecc561af0b7312a11c73a44a1b416f6;p=spline3.git

diff --git a/src/Main.hs b/src/Main.hs
index e577351..c1456f4 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -5,8 +5,18 @@ import qualified Data.Array.Repa as R
 import System.Environment (getArgs)
 
 import Grid (zoom)
-import MRI
-
+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"
@@ -15,7 +25,6 @@ in_file = "./data/mri.bin"
 main :: IO ()
 main = main3d
 
-
 main3d :: IO ()
 main3d = do
   (s:_) <- getArgs
@@ -23,11 +32,11 @@ main3d = do
   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 = bracket_array output
+  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
 
 
@@ -37,11 +46,14 @@ main2d = do
   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
+  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
-  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
+
+  -- 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