Begin playing with Repa.

[spline3.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 4467d174b94fa4d31d7273c47d9ef7afcdc5aa90..4b375cf57df6d4b0dd0a2d886d3b1154e4e02af0 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,90 +1,35 @@
 module Main
 where
 
-import Cube
-import Face
-import Grid
-import Misc (flatten)
-import Point
-import RealFunction
-import Tetrahedron
-import ThreeDimensional
+import Data.Array.Repa (
+  Array,
+  DIM1,
+  DIM3,
+  Shape,
+  Z(..),
+  (:.)(..),
+  index,
+  reshape,
+  toList
+  )
 
-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.Vector (readVectorFromTextFile)
 
-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)
 
-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 ]]]
 
+read_mri_data :: IO (Array DIM1 Int)
+read_mri_data = readVectorFromTextFile "./data/mridata.txt"
 
-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_shape :: DIM3
+mri_shape = (Z :. 256 :. 256 :. 109)
 
 main :: IO ()
 main = do
-  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)
+  mridata <- read_mri_data
+  let mridata2 = reshape mri_shape mridata
+  let tmp = Data.Array.Repa.toList mridata2
+  print tmp
+--  let g = make_grid 1 (Data.Array.Repa.toList mridata2)
+--  let output = zoom g 2
+--  print "Hello, world."