Fix all of the sequential operations with the caveat that it now segfaults.

[spline3.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 4040276b6cd5c657d62588370a6f5a3228c6269e..1a716836c5db52096e7c15e6caaf45e307ba83cc 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,42 +1,60 @@
 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'
+  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 ()
+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
+  arrSlice <- R.computeUnboxedP $ 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.
+  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