raheelahmad/.block

## .block
border: no
license: gpl-3.0

## app.js
const originalWidth = 900, originalHeight = 500;
const inset = 40;
const margin = { top: 20, right: inset, bottom: 40, left: inset },
  width = originalWidth - margin.left - margin.right,
  height = originalHeight - margin.top - margin.bottom;

const chart = d3.select('div.chart')
  .append('svg')
  .attr('width', originalWidth)
  .attr('height', originalHeight)
  .append('g')
  .attr('transform', `translate(${margin.left}, ${margin.top})`);

const sepalLengthY = d3.scaleLinear()
  .range([height, 0])
const sepalWidthX = d3.scaleLinear()
  .range([0, width])

chart.append('g')
  .attr('class', 'y-axis')
chart.append('g')
  .attr('class', 'x-axis')
  .attr('transform', `translate(0, ${height})`)

d3.tsv('sepal.tsv', data => {
  data.forEach(d => {
    d.sepalLength = +d.sepalLength
    d.sepalWidth = +d.sepalWidth
  })
  const allSpecies = data.map(d => d.species);
  const species = [...new Set(allSpecies)]
  const colorScale = d3.scaleOrdinal(d3.schemeCategory10)

  function change(xKey, yKey) {
    sepalWidthX.domain(d3.extent(data, d => d[xKey]))
    sepalLengthY.domain(d3.extent(data, d => d[yKey]))

    const t = d3.transition().duration(2000)
    chart.select('.y-axis')
      .transition(t)
      .call(d3.axisLeft(sepalLengthY));
    chart.select('.x-axis')
      .transition(t)
      .call(d3.axisBottom(sepalWidthX));

    const update = chart.selectAll('circle')
      .data(data, (d, i) => i)

    update
      .enter()
      .append('circle')
      .merge(update)
      .transition(t)
      .attr('cx', d => sepalWidthX(d[xKey]))
      .attr('cy', d => sepalLengthY(d[yKey]))
      .attr('r', 3.5)
      .style('stroke-width', 1)
      .style('stroke', '#999')
      .style('fill', d => colorScale(d.species))
      .style('fill-opacity', 0.3)
  }

  const legend = chart.append('g')
    .attr('transform', `translate(${width}, 20)`)
    .selectAll('g')
    .data(species)
    .enter()
    .append('g')
    .attr('transform', (d, i) => `translate(0, ${i * 24})`)
  legend.append('rect')
    .attr('width', 14)
    .attr('height', 14)
    .attr('x', -20)
    .style('fill', d => colorScale(d))
  legend.append('text')
    .attr('class', 'legend')
    .attr('x', -24)
    .attr('dy', '0.85em')
    .text(d => d)
    .attr('text-anchor', 'end')
  let last = 'petal'
  function graph() {
    if (last == 'petal') {
      change('petalWidth', 'petalLength')
      last = 'sepal'
    } else {
      change('sepalWidth', 'sepalLength')
      last = 'petal'
    }
  }
  setInterval(graph, 6000)
  graph()
})

## index.html
<html>

<head>
    <title>Transitioning a scatterplot</title>
    <script src="https://d3js.org/d3.v4.min.js"></script>
    <style>
        body {
            font-family: 'Helvetica'
        }
        .legend {
            font-size: 11px;
        }
    </style>
</head>

<body>
    <div class="chart">
    </div>
    <script src="app.js"></script>
</body>

</html>

## sepal.tsv

          
            sepalLength
            sepalWidth
            petalLength
            petalWidth
            species

            
              5.1
              3.5
              1.4
              0.2
              setosa

            
              4.9
              3.0
              1.4
              0.2
              setosa

            
              4.7
              3.2
              1.3
              0.2
              setosa

            
              4.6
              3.1
              1.5
              0.2
              setosa

            
              5.0
              3.6
              1.4
              0.2
              setosa

            
              5.4
              3.9
              1.7
              0.4
              setosa

            
              4.6
              3.4
              1.4
              0.3
              setosa

            
              5.0
              3.4
              1.5
              0.2
              setosa

            
              4.4
              2.9
              1.4
              0.2
              setosa

            
              4.9
              3.1
              1.5
              0.1
              setosa

            
              5.4
              3.7
              1.5
              0.2
              setosa

            
              4.8
              3.4
              1.6
              0.2
              setosa

            
              4.8
              3.0
              1.4
              0.1
              setosa

            
              4.3
              3.0
              1.1
              0.1
              setosa

            
              5.8
              4.0
              1.2
              0.2
              setosa

            
              5.7
              4.4
              1.5
              0.4
              setosa

            
              5.4
              3.9
              1.3
              0.4
              setosa

            
              5.1
              3.5
              1.4
              0.3
              setosa

            
              5.7
              3.8
              1.7
              0.3
              setosa

            
              5.1
              3.8
              1.5
              0.3
              setosa

            
              5.4
              3.4
              1.7
              0.2
              setosa

            
              5.1
              3.7
              1.5
              0.4
              setosa

            
              4.6
              3.6
              1.0
              0.2
              setosa

            
              5.1
              3.3
              1.7
              0.5
              setosa

            
              4.8
              3.4
              1.9
              0.2
              setosa

            
              5.0
              3.0
              1.6
              0.2
              setosa

            
              5.0
              3.4
              1.6
              0.4
              setosa

            
              5.2
              3.5
              1.5
              0.2
              setosa

            
              5.2
              3.4
              1.4
              0.2
              setosa

            
              4.7
              3.2
              1.6
              0.2
              setosa

            
              4.8
              3.1
              1.6
              0.2
              setosa

            
              5.4
              3.4
              1.5
              0.4
              setosa

            
              5.2
              4.1
              1.5
              0.1
              setosa

            
              5.5
              4.2
              1.4
              0.2
              setosa

            
              4.9
              3.1
              1.5
              0.2
              setosa

            
              5.0
              3.2
              1.2
              0.2
              setosa

            
              5.5
              3.5
              1.3
              0.2
              setosa

            
              4.9
              3.6
              1.4
              0.1
              setosa

            
              4.4
              3.0
              1.3
              0.2
              setosa

            
              5.1
              3.4
              1.5
              0.2
              setosa

            
              5.0
              3.5
              1.3
              0.3
              setosa

            
              4.5
              2.3
              1.3
              0.3
              setosa

            
              4.4
              3.2
              1.3
              0.2
              setosa

            
              5.0
              3.5
              1.6
              0.6
              setosa

            
              5.1
              3.8
              1.9
              0.4
              setosa

            
              4.8
              3.0
              1.4
              0.3
              setosa

            
              5.1
              3.8
              1.6
              0.2
              setosa

            
              4.6
              3.2
              1.4
              0.2
              setosa

            
              5.3
              3.7
              1.5
              0.2
              setosa

            
              5.0
              3.3
              1.4
              0.2
              setosa

            
              7.0
              3.2
              4.7
              1.4
              versicolor

            
              6.4
              3.2
              4.5
              1.5
              versicolor

            
              6.9
              3.1
              4.9
              1.5
              versicolor

            
              5.5
              2.3
              4.0
              1.3
              versicolor

            
              6.5
              2.8
              4.6
              1.5
              versicolor

            
              5.7
              2.8
              4.5
              1.3
              versicolor

            
              6.3
              3.3
              4.7
              1.6
              versicolor

            
              4.9
              2.4
              3.3
              1.0
              versicolor

            
              6.6
              2.9
              4.6
              1.3
              versicolor

            
              5.2
              2.7
              3.9
              1.4
              versicolor

            
              5.0
              2.0
              3.5
              1.0
              versicolor

            
              5.9
              3.0
              4.2
              1.5
              versicolor

            
              6.0
              2.2
              4.0
              1.0
              versicolor

            
              6.1
              2.9
              4.7
              1.4
              versicolor

            
              5.6
              2.9
              3.6
              1.3
              versicolor

            
              6.7
              3.1
              4.4
              1.4
              versicolor

            
              5.6
              3.0
              4.5
              1.5
              versicolor

            
              5.8
              2.7
              4.1
              1.0
              versicolor

            
              6.2
              2.2
              4.5
              1.5
              versicolor

            
              5.6
              2.5
              3.9
              1.1
              versicolor

            
              5.9
              3.2
              4.8
              1.8
              versicolor

            
              6.1
              2.8
              4.0
              1.3
              versicolor

            
              6.3
              2.5
              4.9
              1.5
              versicolor

            
              6.1
              2.8
              4.7
              1.2
              versicolor

            
              6.4
              2.9
              4.3
              1.3
              versicolor

            
              6.6
              3.0
              4.4
              1.4
              versicolor

            
              6.8
              2.8
              4.8
              1.4
              versicolor

            
              6.7
              3.0
              5.0
              1.7
              versicolor

            
              6.0
              2.9
              4.5
              1.5
              versicolor

            
              5.7
              2.6
              3.5
              1.0
              versicolor

            
              5.5
              2.4
              3.8
              1.1
              versicolor

            
              5.5
              2.4
              3.7
              1.0
              versicolor

            
              5.8
              2.7
              3.9
              1.2
              versicolor

            
              6.0
              2.7
              5.1
              1.6
              versicolor

            
              5.4
              3.0
              4.5
              1.5
              versicolor

            
              6.0
              3.4
              4.5
              1.6
              versicolor

            
              6.7
              3.1
              4.7
              1.5
              versicolor

            
              6.3
              2.3
              4.4
              1.3
              versicolor

            
              5.6
              3.0
              4.1
              1.3
              versicolor

            
              5.5
              2.5
              4.0
              1.3
              versicolor

            
              5.5
              2.6
              4.4
              1.2
              versicolor

            
              6.1
              3.0
              4.6
              1.4
              versicolor

            
              5.8
              2.6
              4.0
              1.2
              versicolor

            
              5.0
              2.3
              3.3
              1.0
              versicolor

            
              5.6
              2.7
              4.2
              1.3
              versicolor

            
              5.7
              3.0
              4.2
              1.2
              versicolor

            
              5.7
              2.9
              4.2
              1.3
              versicolor

            
              6.2
              2.9
              4.3
              1.3
              versicolor

            
              5.1
              2.5
              3.0
              1.1
              versicolor

            
              5.7
              2.8
              4.1
              1.3
              versicolor

            
              6.3
              3.3
              6.0
              2.5
              virginica

            
              5.8
              2.7
              5.1
              1.9
              virginica

            
              7.1
              3.0
              5.9
              2.1
              virginica

            
              6.3
              2.9
              5.6
              1.8
              virginica

            
              6.5
              3.0
              5.8
              2.2
              virginica

            
              7.6
              3.0
              6.6
              2.1
              virginica

            
              4.9
              2.5
              4.5
              1.7
              virginica

            
              7.3
              2.9
              6.3
              1.8
              virginica

            
              6.7
              2.5
              5.8
              1.8
              virginica

            
              7.2
              3.6
              6.1
              2.5
              virginica

            
              6.5
              3.2
              5.1
              2.0
              virginica

            
              6.4
              2.7
              5.3
              1.9
              virginica

            
              6.8
              3.0
              5.5
              2.1
              virginica

            
              5.7
              2.5
              5.0
              2.0
              virginica

            
              5.8
              2.8
              5.1
              2.4
              virginica

            
              6.4
              3.2
              5.3
              2.3
              virginica

            
              6.5
              3.0
              5.5
              1.8
              virginica

            
              7.7
              3.8
              6.7
              2.2
              virginica

            
              7.7
              2.6
              6.9
              2.3
              virginica

            
              6.0
              2.2
              5.0
              1.5
              virginica

            
              6.9
              3.2
              5.7
              2.3
              virginica

            
              5.6
              2.8
              4.9
              2.0
              virginica

            
              7.7
              2.8
              6.7
              2.0
              virginica

            
              6.3
              2.7
              4.9
              1.8
              virginica

            
              6.7
              3.3
              5.7
              2.1
              virginica

            
              7.2
              3.2
              6.0
              1.8
              virginica

            
              6.2
              2.8
              4.8
              1.8
              virginica

            
              6.1
              3.0
              4.9
              1.8
              virginica

            
              6.4
              2.8
              5.6
              2.1
              virginica

            
              7.2
              3.0
              5.8
              1.6
              virginica

            
              7.4
              2.8
              6.1
              1.9
              virginica

            
              7.9
              3.8
              6.4
              2.0
              virginica

            
              6.4
              2.8
              5.6
              2.2
              virginica

            
              6.3
              2.8
              5.1
              1.5
              virginica

            
              6.1
              2.6
              5.6
              1.4
              virginica

            
              7.7
              3.0
              6.1
              2.3
              virginica

            
              6.3
              3.4
              5.6
              2.4
              virginica

            
              6.4
              3.1
              5.5
              1.8
              virginica

            
              6.0
              3.0
              4.8
              1.8
              virginica

            
              6.9
              3.1
              5.4
              2.1
              virginica

            
              6.7
              3.1
              5.6
              2.4
              virginica

            
              6.9
              3.1
              5.1
              2.3
              virginica

            
              5.8
              2.7
              5.1
              1.9
              virginica

            
              6.8
              3.2
              5.9
              2.3
              virginica

            
              6.7
              3.3
              5.7
              2.5
              virginica

            
              6.7
              3.0
              5.2
              2.3
              virginica

            
              6.3
              2.5
              5.0
              1.9
              virginica

            
              6.5
              3.0
              5.2
              2.0
              virginica

            
              6.2
              3.4
              5.4
              2.3
              virginica

            
              5.9
              3.0
              5.1
              1.8
              virginica
	const originalWidth = 900, originalHeight = 500;
	const inset = 40;
	const margin = { top: 20, right: inset, bottom: 40, left: inset },
	width = originalWidth - margin.left - margin.right,
	height = originalHeight - margin.top - margin.bottom;

	const chart = d3.select('div.chart')
	.append('svg')
	.attr('width', originalWidth)
	.attr('height', originalHeight)
	.append('g')
	.attr('transform', `translate(${margin.left}, ${margin.top})`);

	const sepalLengthY = d3.scaleLinear()
	.range([height, 0])
	const sepalWidthX = d3.scaleLinear()
	.range([0, width])

	chart.append('g')
	.attr('class', 'y-axis')
	chart.append('g')
	.attr('class', 'x-axis')
	.attr('transform', `translate(0, ${height})`)

	d3.tsv('sepal.tsv', data => {
	data.forEach(d => {
	d.sepalLength = +d.sepalLength
	d.sepalWidth = +d.sepalWidth
	})
	const allSpecies = data.map(d => d.species);
	const species = [...new Set(allSpecies)]
	const colorScale = d3.scaleOrdinal(d3.schemeCategory10)

	function change(xKey, yKey) {
	sepalWidthX.domain(d3.extent(data, d => d[xKey]))
	sepalLengthY.domain(d3.extent(data, d => d[yKey]))

	const t = d3.transition().duration(2000)
	chart.select('.y-axis')
	.transition(t)
	.call(d3.axisLeft(sepalLengthY));
	chart.select('.x-axis')
	.transition(t)
	.call(d3.axisBottom(sepalWidthX));

	const update = chart.selectAll('circle')
	.data(data, (d, i) => i)

	update
	.enter()
	.append('circle')
	.merge(update)
	.transition(t)
	.attr('cx', d => sepalWidthX(d[xKey]))
	.attr('cy', d => sepalLengthY(d[yKey]))
	.attr('r', 3.5)
	.style('stroke-width', 1)
	.style('stroke', '#999')
	.style('fill', d => colorScale(d.species))
	.style('fill-opacity', 0.3)
	}

	const legend = chart.append('g')
	.attr('transform', `translate(${width}, 20)`)
	.selectAll('g')
	.data(species)
	.enter()
	.append('g')
	.attr('transform', (d, i) => `translate(0, ${i * 24})`)
	legend.append('rect')
	.attr('width', 14)
	.attr('height', 14)
	.attr('x', -20)
	.style('fill', d => colorScale(d))
	legend.append('text')
	.attr('class', 'legend')
	.attr('x', -24)
	.attr('dy', '0.85em')
	.text(d => d)
	.attr('text-anchor', 'end')
	let last = 'petal'
	function graph() {
	if (last == 'petal') {
	change('petalWidth', 'petalLength')
	last = 'sepal'
	} else {
	change('sepalWidth', 'sepalLength')
	last = 'petal'
	}
	}
	setInterval(graph, 6000)
	graph()
	})
	<html>

	<head>
	<title>Transitioning a scatterplot</title>
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<style>
	body {
	font-family: 'Helvetica'
	}
	.legend {
	font-size: 11px;
	}
	</style>
	</head>

	<body>
	<div class="chart">
	</div>
	<script src="app.js"></script>
	</body>

	</html>
sepalLength	sepalWidth	petalLength	petalWidth	species
5.1	3.5	1.4	0.2	setosa
4.9	3.0	1.4	0.2	setosa
4.7	3.2	1.3	0.2	setosa
4.6	3.1	1.5	0.2	setosa
5.0	3.6	1.4	0.2	setosa
5.4	3.9	1.7	0.4	setosa
4.6	3.4	1.4	0.3	setosa
5.0	3.4	1.5	0.2	setosa
4.4	2.9	1.4	0.2	setosa
4.9	3.1	1.5	0.1	setosa
5.4	3.7	1.5	0.2	setosa
4.8	3.4	1.6	0.2	setosa
4.8	3.0	1.4	0.1	setosa
4.3	3.0	1.1	0.1	setosa
5.8	4.0	1.2	0.2	setosa
5.7	4.4	1.5	0.4	setosa
5.4	3.9	1.3	0.4	setosa
5.1	3.5	1.4	0.3	setosa
5.7	3.8	1.7	0.3	setosa
5.1	3.8	1.5	0.3	setosa
5.4	3.4	1.7	0.2	setosa
5.1	3.7	1.5	0.4	setosa
4.6	3.6	1.0	0.2	setosa
5.1	3.3	1.7	0.5	setosa
4.8	3.4	1.9	0.2	setosa
5.0	3.0	1.6	0.2	setosa
5.0	3.4	1.6	0.4	setosa
5.2	3.5	1.5	0.2	setosa
5.2	3.4	1.4	0.2	setosa
4.7	3.2	1.6	0.2	setosa
4.8	3.1	1.6	0.2	setosa
5.4	3.4	1.5	0.4	setosa
5.2	4.1	1.5	0.1	setosa
5.5	4.2	1.4	0.2	setosa
4.9	3.1	1.5	0.2	setosa
5.0	3.2	1.2	0.2	setosa
5.5	3.5	1.3	0.2	setosa
4.9	3.6	1.4	0.1	setosa
4.4	3.0	1.3	0.2	setosa
5.1	3.4	1.5	0.2	setosa
5.0	3.5	1.3	0.3	setosa
4.5	2.3	1.3	0.3	setosa
4.4	3.2	1.3	0.2	setosa
5.0	3.5	1.6	0.6	setosa
5.1	3.8	1.9	0.4	setosa
4.8	3.0	1.4	0.3	setosa
5.1	3.8	1.6	0.2	setosa
4.6	3.2	1.4	0.2	setosa
5.3	3.7	1.5	0.2	setosa
5.0	3.3	1.4	0.2	setosa
7.0	3.2	4.7	1.4	versicolor
6.4	3.2	4.5	1.5	versicolor
6.9	3.1	4.9	1.5	versicolor
5.5	2.3	4.0	1.3	versicolor
6.5	2.8	4.6	1.5	versicolor
5.7	2.8	4.5	1.3	versicolor
6.3	3.3	4.7	1.6	versicolor
4.9	2.4	3.3	1.0	versicolor
6.6	2.9	4.6	1.3	versicolor
5.2	2.7	3.9	1.4	versicolor
5.0	2.0	3.5	1.0	versicolor
5.9	3.0	4.2	1.5	versicolor
6.0	2.2	4.0	1.0	versicolor
6.1	2.9	4.7	1.4	versicolor
5.6	2.9	3.6	1.3	versicolor
6.7	3.1	4.4	1.4	versicolor
5.6	3.0	4.5	1.5	versicolor
5.8	2.7	4.1	1.0	versicolor
6.2	2.2	4.5	1.5	versicolor
5.6	2.5	3.9	1.1	versicolor
5.9	3.2	4.8	1.8	versicolor
6.1	2.8	4.0	1.3	versicolor
6.3	2.5	4.9	1.5	versicolor
6.1	2.8	4.7	1.2	versicolor
6.4	2.9	4.3	1.3	versicolor
6.6	3.0	4.4	1.4	versicolor
6.8	2.8	4.8	1.4	versicolor
6.7	3.0	5.0	1.7	versicolor
6.0	2.9	4.5	1.5	versicolor
5.7	2.6	3.5	1.0	versicolor
5.5	2.4	3.8	1.1	versicolor
5.5	2.4	3.7	1.0	versicolor
5.8	2.7	3.9	1.2	versicolor
6.0	2.7	5.1	1.6	versicolor
5.4	3.0	4.5	1.5	versicolor
6.0	3.4	4.5	1.6	versicolor
6.7	3.1	4.7	1.5	versicolor
6.3	2.3	4.4	1.3	versicolor
5.6	3.0	4.1	1.3	versicolor
5.5	2.5	4.0	1.3	versicolor
5.5	2.6	4.4	1.2	versicolor
6.1	3.0	4.6	1.4	versicolor
5.8	2.6	4.0	1.2	versicolor
5.0	2.3	3.3	1.0	versicolor
5.6	2.7	4.2	1.3	versicolor
5.7	3.0	4.2	1.2	versicolor
5.7	2.9	4.2	1.3	versicolor
6.2	2.9	4.3	1.3	versicolor
5.1	2.5	3.0	1.1	versicolor
5.7	2.8	4.1	1.3	versicolor
6.3	3.3	6.0	2.5	virginica
5.8	2.7	5.1	1.9	virginica
7.1	3.0	5.9	2.1	virginica
6.3	2.9	5.6	1.8	virginica
6.5	3.0	5.8	2.2	virginica
7.6	3.0	6.6	2.1	virginica
4.9	2.5	4.5	1.7	virginica
7.3	2.9	6.3	1.8	virginica
6.7	2.5	5.8	1.8	virginica
7.2	3.6	6.1	2.5	virginica
6.5	3.2	5.1	2.0	virginica
6.4	2.7	5.3	1.9	virginica
6.8	3.0	5.5	2.1	virginica
5.7	2.5	5.0	2.0	virginica
5.8	2.8	5.1	2.4	virginica
6.4	3.2	5.3	2.3	virginica
6.5	3.0	5.5	1.8	virginica
7.7	3.8	6.7	2.2	virginica
7.7	2.6	6.9	2.3	virginica
6.0	2.2	5.0	1.5	virginica
6.9	3.2	5.7	2.3	virginica
5.6	2.8	4.9	2.0	virginica
7.7	2.8	6.7	2.0	virginica
6.3	2.7	4.9	1.8	virginica
6.7	3.3	5.7	2.1	virginica
7.2	3.2	6.0	1.8	virginica
6.2	2.8	4.8	1.8	virginica
6.1	3.0	4.9	1.8	virginica
6.4	2.8	5.6	2.1	virginica
7.2	3.0	5.8	1.6	virginica
7.4	2.8	6.1	1.9	virginica
7.9	3.8	6.4	2.0	virginica
6.4	2.8	5.6	2.2	virginica
6.3	2.8	5.1	1.5	virginica
6.1	2.6	5.6	1.4	virginica
7.7	3.0	6.1	2.3	virginica
6.3	3.4	5.6	2.4	virginica
6.4	3.1	5.5	1.8	virginica
6.0	3.0	4.8	1.8	virginica
6.9	3.1	5.4	2.1	virginica
6.7	3.1	5.6	2.4	virginica
6.9	3.1	5.1	2.3	virginica
5.8	2.7	5.1	1.9	virginica
6.8	3.2	5.9	2.3	virginica
6.7	3.3	5.7	2.5	virginica
6.7	3.0	5.2	2.3	virginica
6.3	2.5	5.0	1.9	virginica
6.5	3.0	5.2	2.0	virginica
6.2	3.4	5.4	2.3	virginica
5.9	3.0	5.1	1.8	virginica