Chart.Line

Points on a chart connected by lines.

Documentation

data LineOptions

The main features of a line (that distinguish it from a glyph say) is that:

• it exists over multiple points (a line can't exist at a single point)
• line rendering is normalized to the eventual physical chart

Constructors

LineOptions

Fields

• lineSize :: Double

  normalized

• lineColor :: AlphaColour Double

Instances

Default LineOptions

Methods

def :: LineOptions

oneline :: R2 r => LineOptions -> Pair (r Double) -> Chart b

A single line connecting 2 points

lines :: (Traversable f, R2 r) => LineOptions -> f (r Double) -> Chart b

A line connecting a series of points

lines def (dataXY cos (Range 0 (4*pi)) n)

glines :: (Traversable f, R2 r) => LineOptions -> GlyphOptions b -> f (r Double) -> Chart b

Lines with glyphs atop eack point

lineChart :: Traversable f => [LineOptions] -> Aspect -> Rect Double -> [f (Pair Double)] -> Chart b

A chart of lines

lineChart_ :: Traversable f => [LineOptions] -> Aspect -> [f (Pair Double)] -> Chart b

A chart of lines scaled to its own range

import Data.Colour.Palette.Harmony (tetrad)
ls = map (uncurry Pair) <$> [[(0.0,1.0),(1.0,1.0),(2.0,5.0)],
                             [(0.0,0.0),(3.0,3.0)], [(0.5,4.0),(0.5,0)]]
lopts = zipWith (\x y -> LineOptions x (withOpacity y 0.6)) [0.01,0.02,0.005]
        (tetrad blue)
lineChart_ lopts sixbyfour ls

glineChart :: Traversable f => [LineOptions] -> [GlyphOptions b] -> Aspect -> Rect Double -> [f (Pair Double)] -> Chart b

A chart of glines

glineChart_ :: Traversable f => [LineOptions] -> [GlyphOptions b] -> Aspect -> [f (Pair Double)] -> Chart b

A chart of glyphs_lines scaled to its own range

let gopts = zipWith (\x y -> def {glyphColor=transparent,
        glyphBorderColor=withOpacity x 0.6, glyphShape=y}) (tetrad green)
        [triangle, square, circle]

glineChart_ lopts gopts sixbyfour ls