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Monthly Downloads: 15
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags: Web     Visualization    

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README

lightning-haskell Build Status Hackage

Haskell client for lightning-viz server.

Getting Started

In order to use this package, a lightning-viz server will need to be available. If you are using Mac OS X, there is a stand-alone application you can install: Stand-Alone OS X Application.

For installation on other platforms, please see the installation guide in the lightnig-viz documentation.

Available Visualizations

  • Adjacency - A sparse adjacency matrix visualiazation.
  • Circle - A circular graph from connectivity data.
  • Force - A force-directed network visualization from connectivity.
  • Graph - A node-link graph from spatial points and their connectivity.
  • Graph Bundled - A bundled node-link graph visualization.
  • Histogram - A distribution of values visualization.
  • Line - Visualize one-dimensional series.
  • Streaming Line - Visualize streaming one-dimensional series as updating lines.
  • Map - A chloropleth map of the World or United States.
  • Matrix - A heat map of the given matrix.
  • Scatter - A scatter plot visualization.
  • Scatter 3D - A 3D scatter plot visualization.
  • Streaming Scatter - A streaming scatter plot.
  • Volume - A visualization of a collection of images as a three-dimensional volume.

Basic Usage

All visualizations must be associated with a session. One can either use an existing session or create a new one. Sessions can either be named or un-named. If you choose not to provide a name, a name will be automatically generated.

Create Visualization Using New Session

viz <- runLightning $ linePlot def { lpSeries = [[1,2,3]] }

Create Visualization Using Named Session

let opts = setSessionName "My Session" defaultLightningOptions
viz <- runLightningWith opts $ linePlot def { lpSeries = [[1,2,3,4]] }

Create Multiple Visualizations In One Session

{-# LANGUAGE OverloadedStrings #-}

import Control.Monad.IO.Class

import qualified Data.Text.IO as T
import qualified Data.Text    as T

import Web.Lightning
import Web.Lightning.Plots
import Web.Lightning.Types

main :: IO (Either (APIError LightningError) ())
main = runLightning $ do
  lpViz <- linePlot def { lpSeries = [[1,2,3]] }
  spViz <- scatterPlot def { spX = [1,2,3], spY = [4,1,2] }
  liftIO $ T.putStrLn $ T.concat [vizId lpViz, ", ", vizId spViz]

Acknowledgements

  1. The monad transformer stack was based off of the stack found here: reddit API.
  2. A fair amount of the code documentation was borrowed from the lightning-viz Python client.