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vd: arc heights now depend on number of arcs below rather than word distance

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aarne
2016-06-02 18:17:54 +00:00
parent deb7919aa6
commit f5e2c41dd0
1 changed files with 10 additions and 4 deletions
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14
src/runtime/haskell/PGF/VisualizeTree.hs
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@@ -518,13 +518,13 @@ arcbase = 30.0 -- arcs start and end 40u above the bottom
arcfactor r = r * 500 -- reduction of arc size from word distance
xyratio = 3 -- width/height ratio of arcs
putArc :: (Int -> Double) -> Int -> Int -> String -> String
putArc frwld x y label = unlines [oval,arrowhead,labelling] where
putArc :: (Int -> Double) -> Int -> Int -> Int -> String -> String
putArc frwld height x y label = unlines [oval,arrowhead,labelling] where
oval = put ctr arcbase ("\\oval(" ++ show wdth ++ "," ++ show hght ++ ")[t]")
arrowhead = put endp (arcbase + 5) (app "vector(0,-1)" "5") -- downgoing arrow 5u above the arc base
labelling = put (labelstart ctr) (labelheight (hght/2)) (small label)
dxy = wdist frwld x y -- distance between words, >>= 20.0
ndxy = 100 * rwld * fromIntegral (abs (x-y)) -- distance that is indep of word length
ndxy = 100 * rwld * fromIntegral height -- distance that is indep of word length
hdxy = dxy / 2 -- half the distance
wdth = dxy - (arcfactor rwld)/dxy -- longer arcs are less wide in proportion
hght = ndxy / (xyratio * rwld) -- arc height is independent of word length
@@ -540,7 +540,7 @@ dep2latex d =
: ("\\begin{picture}(" ++ show width ++ "," ++ show height ++ ")")
: [put (wpos rwld i) 0 w | (i,w) <- zip [0..] (map fst (tokens d))] -- words
++ [put (wpos rwld i) 15 (small w) | (i,w) <- zip [0..] (map snd (tokens d))] -- pos tags 15u above bottom
++ [putArc rwld x y label | ((x,y),label) <- deps d] -- arcs and labels
++ [putArc rwld (aheight x y) x y label | ((x,y),label) <- deps d] -- arcs and labels
++ [put (wpos rwld (root d) + 15) height (app "vector(0,-1)" (show (fromIntegral height-arcbase)))]
++ [put (wpos rwld (root d) + 20) (height - 10) (small "ROOT")]
++ ["\\end{picture}"]
@@ -548,6 +548,12 @@ dep2latex d =
(width,height) = case pictureSize d of (w,h) -> (w, h)
wld i = wordLength d i -- >= 20.0
rwld i = (wld i) / defaultWordLength -- >= 1.0
aheight x y = depth (min x y) (max x y) + 1 ---- abs (x-y)
arcs = [(min u v, max u v) | ((u,v),_) <- deps d]
depth x y = case [(u,v) | (u,v) <- arcs, (x < u && v <= y) || (x == u && v < y)] of ---- only projective arcs counted
[] -> 0
uvs -> 1 + maximum [depth u v | (u,v) <- uvs]
{-