Add the 'drop_z' function.

[spline3.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 9ad6199ec07edb2c0906235207ca45b7d59c1f56..c9165d3e3dc71287cdcee00590a5e35142a6e40b 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,91 +1,73 @@
 module Main
 where
 
---import Cube
---import Face
---import Grid
---import Misc (flatten)
---import Point
---import RealFunction
---import Tetrahedron
---import ThreeDimensional
+import Data.Array.Repa (
+  DIM2,
+  DIM3,
+  Z(..),
+  (:.)(..),
+  slice,
+  reshape,
+  Any(..),
+  All(..)
+  )
+import qualified Data.Array.Repa as R (map)
 
-trilinear :: [[[Double]]]
-trilinear = [ [ [ 1, 2, 3 ],
-                [ 1, 3, 5 ],
-                [ 1, 4, 7 ] ],
-              [ [ 1, 2, 3 ],
-                [ 1, 4, 7 ],
-                [ 1, 6, 11 ] ],
-              [ [ 1, 2, 3 ],
-                [ 1, 5, 9 ],
-                [ 1, 8, 15 ]]]
+import Data.Array.Repa.IO.BMP (writeComponentsToBMP)
+import Data.Word
+import System.Environment (getArgs)
 
-zeros :: [[[Double]]]
-zeros = [ [ [ 0, 0, 0 ],
-            [ 0, 0, 0 ],
-            [ 0, 0, 0 ] ],
-          --
-          [ [ 0, 0, 0 ],
-            [ 0, 0, 0 ],
-            [ 0, 0, 0 ] ],
-          --
-          [ [ 0, 0, 0 ],
-            [ 0, 0, 0 ],
-            [ 0, 0, 0 ]]]
+import Grid (make_grid, zoom)
+import MRI
+import Values (read_values_3d, write_values_1d)
 
-dummy :: [[[Double]]]
-dummy = [ [ [ 0, 1, 2 ],
-            [ 3, 4, 5 ],
-            [ 6, 7, 8 ] ],
-          --
-          [ [ 9, 10, 11 ],
-            [ 12, 13, 14 ],
-            [ 15, 16, 17 ] ],
-          --
-          [ [ 18, 19, 20 ],
-            [ 21, 22, 23 ],
-            [ 24, 25, 26 ]]]
+mri_shape2d :: DIM2
+mri_shape2d = (Z :. 256*2 :. 256*2)
 
-
---find_point_value :: RealFunction Point
---find_point_value p = poly p
---    where
---      g0 = make_grid 1 trilinear
---      the_cubes = flatten (cubes g0)
---      good_cubes = filter ((flip contains_point) p) the_cubes
---       target_cube = head good_cubes
---       good_tets = filter ((flip contains_point) p) (tetrahedrons target_cube)
---       target_tetrahedron = head good_tets
---       poly = polynomial target_tetrahedron
+mri_shape3d :: DIM3
+mri_shape3d = (Z :. 256 :. 256 :. 1)
 
 main :: IO ()
 main = do
-  putStrLn "Hello, World."
-  -- print $ find_point_value (0,0,0)
-  -- print $ find_point_value (1,0,0)
-  -- print $ find_point_value (2,0,0)
-  -- print $ find_point_value (0,1,0)
-  -- print $ find_point_value (1,1,0)
-  -- print $ find_point_value (2,1,0)
-  -- print $ find_point_value (0,2,0)
-  -- print $ find_point_value (1,2,0)
-  -- print $ find_point_value (2,2,0)
-  -- print $ find_point_value (0,0,1)
-  -- print $ find_point_value (1,0,1)
-  -- print $ find_point_value (2,0,1)
-  -- print $ find_point_value (0,1,1)
-  -- print $ find_point_value (1,1,1)
-  -- print $ find_point_value (2,1,1)
-  -- print $ find_point_value (0,2,1)
-  -- print $ find_point_value (1,2,1)
-  -- print $ find_point_value (2,2,1)
-  -- print $ find_point_value (0,0,2)
-  -- print $ find_point_value (1,0,2)
-  -- print $ find_point_value (2,0,2)
-  -- print $ find_point_value (0,1,2)
-  -- print $ find_point_value (1,1,2)
-  -- print $ find_point_value (2,1,2)
-  -- print $ find_point_value (0,2,2)
-  -- print $ find_point_value (1,2,2)
-  -- print $ find_point_value (2,2,2)
+--  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