Add a chunked version of zoom.

[spline3.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 9742a1f096d5bc6e1ec6946e7b968eeb846a641e..b65cc4bdbbd76d6737bde002e18ae4c0e0dcf9bb 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -2,15 +2,22 @@ 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 Grid (make_grid, zoom, zoom_chunk)
 import MRI
-import Values (drop_z, zoom_shape)
+
+
+in_file :: FilePath
+in_file = "./data/mri.bin"
+
 
 main :: IO ()
-main = do
+main = main2d_chunk
+
+
+main2d_chunk :: IO ()
+main2d_chunk = do
   (s:_) <- getArgs
   let scale = read s :: Int
   let zoom_factor = (1, scale, scale)
@@ -21,22 +28,10 @@ main = do
   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
+  let output = zoom_chunk g zoom_factor
+  write_values_chunk_to_bitmap output out_file
 
 
-in_file :: FilePath
-in_file = "./data/mri.bin"
 
 main3d :: IO ()
 main3d = do
@@ -54,6 +49,7 @@ main3d = do
   let word16_output = bracket_array output
   write_word16s out_file word16_output
 
+
 main2d :: IO ()
 main2d = do
   (s:_) <- getArgs
@@ -68,11 +64,4 @@ main2d = do
   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
+  write_values_slice_to_bitmap (z_slice 0 output) out_file