Clean up the imports/exports between MRI and Main.

[spline3.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 9742a1f096d5bc6e1ec6946e7b968eeb846a641e..80f5e97fb874809fb4634c904fba98133ad0211d 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -2,42 +2,29 @@ module Main
 where
 
 import qualified Data.Array.Repa as R
-import qualified Data.Array.Repa.IO.BMP as R (writeComponentsToBMP)
 import System.Environment (getArgs)
 
-import Grid (make_grid, zoom)
-import MRI
-import Values (drop_z, zoom_shape)
-
-main :: IO ()
-main = 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 g zoom_factor
-  let arrBrack = bracket_array output
-  print $ "arrBrack extent:" ++ (show $ R.extent arrBrack)
-  let arrBrack' = z_slice 1 arrBrack
-  print $ "arrBrack' extent:" ++ (show $ R.extent arrBrack')
-  let mri_slice2d = drop_z $ zoom_shape zoom_factor mri_slice3d
-  let colors = values_to_colors $ R.reshape mri_slice2d
-                                $ R.map fromIntegral arrBrack'
-  let routput = R.map (\(red, _,     _)    -> red)   colors
-  let goutput = R.map (\(_,   green, _)    -> green) colors
-  let boutput = R.map (\(_,   _,     blue) -> blue)  colors
-  R.writeComponentsToBMP out_file routput goutput boutput
-
+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 = main3d
+
 main3d :: IO ()
 main3d = do
   (s:_) <- getArgs
@@ -46,14 +33,13 @@ main3d = do
   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 output = zoom dbl_data zoom_factor
+  let word16_output = round_array output
   write_word16s out_file word16_output
 
+
 main2d :: IO ()
 main2d = do
   (s:_) <- getArgs
@@ -66,13 +52,5 @@ main2d = do
   let arrSlice = z_slice 50 arrInv
   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
-  let arrBrack = bracket_array output
-  let mri_slice2d = drop_z $ zoom_shape zoom_factor mri_slice3d
-  let colors = values_to_colors $ R.reshape mri_slice2d
-                                $ R.map fromIntegral arrBrack
-  let routput = R.map (\(red, _,     _)    -> red)   colors
-  let goutput = R.map (\(_,   green, _)    -> green) colors
-  let boutput = R.map (\(_,   _,     blue) -> blue)  colors
-  R.writeComponentsToBMP out_file routput goutput boutput
+  let output = zoom dbl_data zoom_factor
+  write_values_slice_to_bitmap (z_slice 0 output) out_file