created by http://livecoding.io

README.md

View this code at http://livecoding.io/9709744

options.json

{
    "libraries": [
        "d3"
    ],
    "mode": "css",
    "layout": "fullscreen mode (vertical)",
    "resolution": "reset"
}

water.css

/* css goes here */
.axis path,
.axis line {
  fill: none;
  stroke: none;
  shape-rendering: crispEdges;
}

.axis text {
  font-family: sans-serif;
  font-size: 13px;
  fill: gray;
}

water.html

<!-- html goes here -->
<div id='vis'></div>

water.js

/* javascript goes here */
var dataset = [5, 10, 13, 19, 21, 25, 22, 18, 15, 13,
  11, 12, 15, 20, 18, 17, 16, 18, 23, 40 
];

var w = 700,
    h = 350

// boilerplate setup code

var margin = {top: 20, right: 10, bottom: 20, left: 10},
  width = w - margin.left - margin.right,
  height = h - margin.top - margin.bottom,
  barWidth = dataset/length

var svg = d3.select("#vis")
  .append("svg")
    .attr("width", w)
    .attr("height", h)
  .append("g")
    .attr("transform", 
        ["translate(", margin.left, ",", margin.top, ")"].join("")
     )

var yScale = d3.scale.linear()
  .range([height, 0])
  .domain([0, d3.max(dataset)])

var xScale =  d3.scale.ordinal()
  .domain(d3.range(dataset.length))
  .rangeRoundBands([0, width], 0.05)


var colorScale = d3.scale.quantize()
  .domain([0, d3.max(dataset)])
  .range(["steelblue", "darkorange", "red", "yellow"])

var bars = svg.selectAll('rect')
  .data(dataset)
  .enter()
  .append("rect")
    .attr("class", "bar")     

bars
  .attr("x", function(d, i){return xScale(i)})
  .attr("y", function(d){return yScale(d)})
  .attr("height", function(d, i){
     return height - yScale(d)
   })
  .attr("width", xScale.rangeBand())
  .attr("fill", colorScale)

// initialize xAxis
var xAxis = d3.svg.axis()
  .scale(xScale)
  .orient("bottom")
  .ticks(5)

// invoke xAxis in context of visualization
svg
  .append("g")
  .attr("class", "axis")
  .attr("transform", "translate(0," + (height) + ")")
  .call(xAxis)

water.json

{}