Add the MRI code as it is after its first successful output.

[spline3.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 8a1efdb76de21e6b94421e63e6ebd07630ff5990..c9165d3e3dc71287cdcee00590a5e35142a6e40b 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -2,30 +2,72 @@ module Main
 where
 
 import Data.Array.Repa (
+  DIM2,
   DIM3,
   Z(..),
   (:.)(..),
+  slice,
+  reshape,
+  Any(..),
+  All(..)
   )
+import qualified Data.Array.Repa as R (map)
 
+import Data.Array.Repa.IO.BMP (writeComponentsToBMP)
+import Data.Word
 import System.Environment (getArgs)
 
 import Grid (make_grid, zoom)
+import MRI
 import Values (read_values_3d, write_values_1d)
 
-mri_shape :: DIM3
-mri_shape = (Z :. 256 :. 256 :. 1)
-
-
+mri_shape2d :: DIM2
+mri_shape2d = (Z :. 256*2 :. 256*2)
 
+mri_shape3d :: DIM3
+mri_shape3d = (Z :. 256 :. 256 :. 1)
 
 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 output = zoom g (4,4,1)
-  write_values_1d output out_file
+--  args <- getArgs
+--  let color = head args
+--  let in_file  = "./data/MRbrain.40." ++ color
+  let out_file = "MRbrain.50.red.out"
+  arr <- read_word16s
+  let arrBrack = bracket_array arr
+  let arrInv   = flip_x $ flip_y arrBrack
+  let arrSlice = slice arrInv (Any :. (50 :: Int) :. All :. All)
+  let arrColor = raw_data_to_color arrSlice
+
+  let arrColor' = reshape mri_shape3d arrColor
+  let rdata = red_dbl_data arrColor'
+  let gdata = green_dbl_data arrColor'
+  let bdata = blue_dbl_data arrColor'
+
+--  mridata <- read_values_3d mri_shape in_file
+
+  let gr = make_grid 1 rdata
+  let routput = zoom gr (2,2,1)
+
+  let gg = make_grid 1 gdata
+  let goutput = zoom gg (2,2,1)
+
+  let gb = make_grid 1 bdata
+  let boutput = zoom gb (2,2,1)
+
+  let routput' = R.map double_to_word8 (reshape mri_shape2d routput)
+  let goutput' = R.map double_to_word8 (reshape mri_shape2d goutput)
+  let boutput' = R.map double_to_word8 (reshape mri_shape2d boutput)
+
+--  write_values_1d output out_file
+  writeComponentsToBMP out_file routput' goutput' boutput'
+  where
+    double_to_word8 :: Double -> Word8
+    double_to_word8 x =
+      if x > 255 then
+        255 :: Word8
+      else
+        if x < 0 then
+          0 :: Word8
+        else
+          fromIntegral $ truncate x