FirstScatterPlusInteractionsPlusLineComplete

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forked from molliemarie's block: FirstScatterComplete

forked from molliemarie's block: FirstScatterPlusInteractionsComplete

<!DOCTYPE html>
<meta charset="utf-8">

svg {
  border:1px solid #f0f;
}
  
.axis line {
  stroke-width:1px;
  stroke: #ccc;
  stroke-dasharray: 2px 2px;
}

.axis text {
  font-size: 12px;
  fill: #777;
}

.axis path {
  display: none;
}
  
.ufoGroup text {
  fill: #aaa; /*grey out text*/
  font-size: 11px;
}
  
.ufoCircle {
  fill: limegreen;
}
  
.ufoLine {
  fill: none;
}

.ufoLine {
  /*removes black fill*/
  fill: none;
  /*styles line */
  stroke: darkgray;
  stroke-width: 3   ;
}

</style>

<body>
  <div id='titleDiv'>
    <text>UFO Sightings in 2018</text>
    <div id="buttonsDiv"></div>
  </div>
</body>

const thisDataGroup = fullData.filter(function(d) { return d.year == datasetGroup});

console.log(thisDataGroup);

xScale
      .domain(d3.extent(thisDataGroup, function(d) { return d.parsedDate; }));

yScale
      .domain([0, d3.max(thisDataGroup, function(d) { return d.count; })]);

xAxis.scale(xScale);

yAxis.scale(yScale);

xAxisGroup
      .call(xAxis);

yAxisGroup
      .transition()
      .duration(transitionTime)
      .call(yAxis);

svg.selectAll('.ufoGroup')
      .data(thisDataGroup)
      .transition()
      .ease(d3.easeElastic)
      .duration(transitionTime)
      .attr('transform', function(d) { return 'translate(' + xScale(d.parsedDate) + ',' + yScale(d.count) + ')'})
    
    svg.selectAll('.ufoLine')
    .transition()
    .ease(d3.easeElastic) //if you use the same ease here as you do with the circles, the line and circles will move together.
    .duration(transitionTime)
    .attr('d', lineGenerator(thisDataGroup));

d3.select('#titleText')
      .text('UFO Sightings in ' + datasetGroup);
  };

const parseTime = d3.timeParse("%m/%Y");
  const margin = {top: 20, right: 30, bottom: 20, left: 30};
  const outerWidth = 700;
  const outerHeight = 300;
  const innerWidth = outerWidth - margin.left - margin.right;
  const innerHeight = outerHeight - margin.top - margin.bottom;
  const transitionTime = 1000;
  const radius = 10;
  
  const SVG = d3.select("body").append("svg")
    .attr("width", outerWidth)
    .attr("height", outerHeight);  
  
  const svg = SVG.append('g')
  	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");  
  
  const xScale = d3.scaleTime()
    .range([0, innerWidth]);
  
  const xAxis = d3.axisBottom(xScale)
    .tickSize(-innerHeight);
  
  const yScale = d3.scaleLinear()
    .range([innerHeight, 0])
  
  const yAxis = d3.axisLeft(yScale)
  	.tickSize(-innerWidth);
  
  const lineGenerator = d3.line()
    .curve(d3.curveCardinal);
  
  const xAxisGroup = svg.append("g")
      .attr("class", "x axis") 
      .attr("transform", "translate(0," + innerHeight + ")")
      .call(xAxis);
  
  const yAxisGroup = svg.append("g")
    .attr("class", "y axis") //gives group the classes 'y' and 'axis'
    .call(yAxis);

d3.csv("https://raw.githubusercontent.com/molliemarie/MSIA-D3Course-2019/master/Projects%26Exercises/FirstCompleteScatter/data/ufo.csv", function(d) {
    return {
      date: d.date,
      count: +d.count,
      month: +d.date.split('/')[0],
      parsedDate: parseTime(d.date),
      year: parseTime(d.date).getYear() + 1900
    };
  }).then(ready);
  
function ready(fullData) {
  
  const yearList = d3.set(fullData.map(function(d) { return d.year })).values();
  
  
  const startData = fullData.filter(function(d) { return d.year == 2018; });
  
  console.log(startData);
  
  d3.select('#buttonsDiv') 
    .selectAll('button') 
    .data(yearList) 
    .enter().append('button') 
    .text(function(d) { return d; })
    .on('click', function(d) {
      dataSwap(d, fullData)
    });
  
  xScale.domain(d3.extent(startData, function(d) { return d.parsedDate; }));
  
  yScale.domain([0, d3.max(startData, function(d) { return d.count})]);
  
  xAxisGroup.call(xAxis);
  
  yAxisGroup.call(yAxis);
  
  lineGenerator
    .x(function(d) { return xScale(d.parsedDate)})
    .y(function(d) { return yScale(d.count)})

svg.append('path')
    .attr('class', 'ufoLine')
    .attr('d', lineGenerator(startData));
  
  const ufoGroup = svg.selectAll('.ufoGroup')
    .data(startData).enter().append('g') 
    .attr('class', 'ufoGroup')
    .attr('transform', function(d) { return 'translate(' + xScale(d.parsedDate) + ',' + yScale(d.count) + ')'})
          .on('mouseenter', function(d) {
      // define hover events
      d3.select(this)
        .select('text')
        .transition()
        .duration(0)
        .style('opacity', 1)

d3.selectAll('circle')
        .style('opacity', 0.5)

d3.select(this)
        .select('circle')
        .transition()
        .ease(d3.easeElastic)
        .duration(transitionTime)
        .attr('r', radius*2)
        .style('opacity', 1)
    })
    .on('mouseleave', function(d) {
      // define mouseleave events
      d3.select(this)
        .select('text')
        .transition()
        .style('opacity', 0)

d3.select(this)
        .select('circle')
        .transition()
        .ease(d3.easeElastic)
        .duration(transitionTime)
        .attr('r', radius)

d3.selectAll('circle')
        .style('opacity', 1)
    })
  
  ufoGroup.append('circle')
    .attr('class', 'ufoCircle')
    .attr('r', 10)

ufoGroup.append('text')
    .attr('class', 'ufoText')
    .attr('dx', 10)
    .attr('dy', -10)
    .text(function(d) { return d.count})
  	.attr('opacity', 0)
}

</script>

https://d3js.org/d3.v5.min.js