src/Volumetric.hs: remove a redundant constraint from a function.

[spline3.git] / src / Volumetric.hs

diff --git a/src/Volumetric.hs b/src/Volumetric.hs
index 5b24760a256b0cbc2477ff71f12009497a79deec..0d1dfaac641773cbc35e0f39147e6359f23613b1 100644 (file)
--- a/src/Volumetric.hs
+++ b/src/Volumetric.hs
@@ -40,7 +40,6 @@ import Data.Array.Repa.IO.Binary (
   writeArrayToStorableFile )
 import Data.Array.Repa.IO.BMP ( writeImageToBMP )
 import Data.Array.Repa.Operators.Traversal ( unsafeTraverse )
-import Data.Array.Repa.Repr.Unboxed ( Unbox )
 import Data.Array.Repa.Slice ( All( All ), Any( Any ) )
 
 import Values ( Values, Values2D )
@@ -70,7 +69,7 @@ bracket :: Double -> Double -> Double -> Word16
 bracket lower_threshold upper_threshold x
         | x < lower_threshold      = 0
         | x > upper_threshold      = 255
-        | otherwise                    = truncate (r * 255)
+        | otherwise                = truncate (r * 255)
             where
               numerator = x - lower_threshold
               denominator = upper_threshold - lower_threshold
@@ -138,9 +137,9 @@ values_to_colors arr =
     truncate_rgb (r, g, b) =
       (r', g', b')
       where
-        r' = truncate (r * 255)
-        g' = truncate (g * 255)
-        b' = truncate (b * 255)
+        r' = truncate (r * 255) :: Word8
+        g' = truncate (g * 255) :: Word8
+        b' = truncate (b * 255) :: Word8
 
 
 write_values_to_bmp :: FilePath -> Values2D -> IO ()
@@ -149,6 +148,6 @@ write_values_to_bmp path values = do
   writeImageToBMP path colors
 
 
-z_slice :: (Unbox a, Source r a) => Int -> Array r DIM3 a -> Array D DIM2 a
+z_slice :: (Source r a) => Int -> Array r DIM3 a -> Array D DIM2 a
 z_slice n arr =
   slice arr (Any :. n :. All :. All)