Improve readability

Algorithms/PolygonIntersection/Core.hs

@@ -53,7 +53,7 @@ sortLexPoly ps = maybe [] (`shiftM` ps) (elemIndex (yMax ps) ps)
 -- while saving the origin of that point. This is done in O(n).
 sortLexPolys :: ([PT], [PT]) -> [PolyPT]
 sortLexPolys (pA'@(_:_), pB'@(_:_)) =
-  queueToList . go (Q.fromList . sortLexPoly $ pA') $
+  queueToList $ go (Q.fromList . sortLexPoly $ pA')
                    (Q.fromList . sortLexPoly $ pB')
   where
     -- Start recursive algorithm, each polygon is represented by a Queue.
@@ -130,10 +130,7 @@ intersectionPoints xs' =
     -- Get the scan line or in other words the
     -- Segment pairs we are going to check for intersection.
     scanLine :: [PolyPT] -> ([Segment], [Segment])
-    scanLine sp@(_:_) =
-      (,)
-        (getSegment isPolyA)
-        (getSegment isPolyB)
+    scanLine sp@(_:_) = (,) (getSegment isPolyA) (getSegment isPolyB)
       where
         getSegment f = fromMaybe []
                                  ((\x -> [(id' x, suc x), (id' x, pre x)])
@@ -144,8 +141,8 @@ intersectionPoints xs' =
     -- both polygons we currently examine. This is done in O(1)
     -- since we have max 4 segments.
     segIntersections :: ([Segment], [Segment]) -> [PT]
-    segIntersections (a@(_:_), b@(_:_))
-      = catMaybes
+    segIntersections (a@(_:_), b@(_:_)) =
+      catMaybes
         . fmap (\[x, y] -> intersectSeg' x y)
         $ combinations a b
     segIntersections _ = []

Graphics/Diagram/Gtk.hs

@@ -13,28 +13,19 @@ import Parser.Meshparser
 diag :: DiagProp -> Object -> Diagram Cairo R2
 diag p obj@(Object _)
   | alg p == 0 =
-      mkDiag
-        (mconcat [coordPointsText,
-          coordPoints, plotterBG])
+      mkDiag (mconcat [coordPointsText, coordPoints, plotterBG])
              p obj
   | alg p == 1 =
-      mkDiag
-        (mconcat
-          [convexHPText,
-          convexHP, convexHLs,
-          coordPoints, plotterBG])
+      mkDiag (mconcat [convexHPText, convexHP, convexHLs, coordPoints, plotterBG])
              p obj
   | otherwise = mempty
 diag p objs@(Objects _)
   | alg p == 2 =
-      mkDiag (mconcat [polyLines, coordPointsText, coordPoints,
-                      plotterBG])
+      mkDiag (mconcat [polyLines, coordPointsText, coordPoints, plotterBG])
              p objs
   | alg p == 3 =
-      mkDiag (mconcat [polyIntersectionText,
-                      polyIntersection, coordPointsText,
-                      coordPoints, polyLines,
-                      plotterBG])
+      mkDiag (mconcat [polyIntersectionText, polyIntersection, coordPointsText,
+                      coordPoints, polyLines, plotterBG])
              p objs
   | otherwise = mempty
 
@@ -43,14 +34,5 @@ diag p objs@(Objects _)
 -- of an obj file.
 diagS :: DiagProp -> MeshString -> Diagram Cairo R2
 diagS p mesh
-  | alg p == 2 || alg p == 3 =
-      diag p.
-        Objects    .
-        facesToArr $
-        mesh
-  | otherwise =
-      (diag p       .
-          Object    .
-          meshToArr $
-          mesh) #
-        bg white
+  | alg p == 2 || alg p == 3 = diag p. Objects . facesToArr $ mesh
+  | otherwise = (diag p . Object . meshToArr $ mesh) # bg white