VI 9

Rajyalakshmi Mukkamala

Visualization Implementation 9

Animated transitions

Creating transition by changing the one of the attributes on both the axes that are plotted in the scatterplot. Using dropdown menu to select the attributes.

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

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.dot {
  stroke: #000;
}

.tooltip {
  position: absolute;
  width: 200px;
  height: 28px;
  pointer-events: none;
}
</style>
<title>
Week 10 - In Class Assignment  
</title>
<body>

<h3>Select x-axis </h3> 
<select value="" id="x-axis">
   <option value="Rushing TD">Rushing Touchdowns </option>
  <option value="Cmp">Pass Completions</option>
  <option value="Passing Attempts">Pass Attempts</option>
  <option value="Pct">Pass Completion Percentage</option>
  <option value="Passing Yards">Passing Yards</option>
  <option value="Y/A">Passing Yards Per Attempt</option>
  <option value="AY/A">Adjusted Passing Yards Per Attempt</option>
  <option value="Passing TD">Passing Touchdowns</option>
  <option value="Interceptions">Passing Interceptions</option>
  <option value="Rate">Passing Efficiency Rating</option>
  <option value="Rushing Attempts">Rushing Attempts</option>
  <option value="Rushing Yards">Rushing Yards</option>
  <option value="Rushing Avg">Rushing Avg</option>
 
</select>
<br><br>
<h3>Select y-axis </h3>
<select value="" id="y-axis">
  <option value="Passing TD">Passing Touchdowns</option>
  <option value="Cmp">Pass Completions</option>
  <option value="Passing Attempts">Pass Attempts</option>
  <option value="Pct">Pass Completion Percentage</option>
  <option value="Passing Yards">Passing Yards</option>
  <option value="Y/A">Passing Yards Per Attempt</option>
  <option value="AY/A">Adjusted Passing Yards Per Attempt</option>
  <option value="Interceptions">Passing Interceptions</option>
  <option value="Rate">Passing Efficiency Rating</option>
  <option value="Rushing Attempts">Rushing Attempts</option>
  <option value="Rushing Yards">Rushing Yards</option>
  <option value="Rushing Avg">Rushing Avg</option>
  <option value="Rushing TD">Rushing TD</option>
</select>

var x = $('#x-axis').val();
var y = $('#y-axis').val();

// setup x 
var xValue = function(d) { return d[x];}, // data -> value
    xScale = d3.scale.linear().range([0, width]), // value -> display
    xMap = function(d) { return xScale(xValue(d));}, // data -> display
    xAxis = d3.svg.axis().scale(xScale).orient("bottom");

// setup fill color
var cValue = function(d) { return d.Group;},
    color = d3.scale.ordinal().range(colorbrewer.Set1[3]);

// add the graph canvas to the body of the webpage
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

// add the tooltip area to the webpage
var tooltip = d3.select("body").append("div")
    .attr("class", "tooltip")
    .style("opacity", 0);

// load data
d3.csv("passing-stats-2014.csv", function(error, data) {

// change string (from CSV) into number format
  data.forEach(function(d) {
    d[y] = +d[y];
    d[x] = +d[x];
//console.log (d.School);
//console.dir (d);
  });

// don't want dots overlapping axis, so add in buffer to data domain
  xScale.domain([d3.min(data, xValue)-1, d3.max(data, xValue)+1]);
  yScale.domain([d3.min(data, yValue)-1, d3.max(data, yValue)+1]);

yScale.domain([d3.min(data, yValue), d3.max(data, yValue)]);

// x-axis
  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
    .append("text")
      .attr("class", "label")
      .attr("x", width)
      .attr("y", -6)
      .style("text-anchor", "end")
      .text(x);

// y-axis
  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .append("text")
      .attr("class", "label")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text(y);

// draw dots
  svg.selectAll(".dot")
      .data(data)
    .enter().append("circle")
      .attr("class", "dot")
      .attr("r", 3.5)
  
      .attr("cx", xMap)
      .attr("cy", yMap)
      .style("fill", function(d) { return color(cValue(d));}) 
      .on("mouseover", function(d) {
          tooltip.transition()
               .duration(200)
               .style("opacity", .9);
          tooltip.html(d["Player"] + "<br/> " + d.School + "<br/>(" + xValue(d) 
	        + ", " + yValue(d) + ")")
               .style("left", (d3.event.pageX + 10) + "px")
               .style("top", (d3.event.pageY - 28) + "px");
      })
      .on("mouseout", function(d) {
          tooltip.transition()
               .duration(500)
               .style("opacity", 0);
      });

// draw legend
  var legend = svg.selectAll(".legend")
      .data(color.domain())
    .enter().append("g")
      .attr("class", "legend")
      .attr("transform", function(d, i) { return "translate(10," + (i+7) * 20 + ")"; });

// draw legend colored rectangles
  legend.append("rect")
      .attr("x", width - 18)
      .attr("width", 18)
      .attr("height", 18)
      .style("fill", color);

// draw legend text
  legend.append("text")
      .attr("x", width - 24)
      .attr("y", 9)
      .attr("dy", ".35em")
      .style("text-anchor", "end")
      .text(function(d) { return d;})
});

d3.select("#x-axis")
  .on("change", function() {
    animateGraph();
  });

d3.select("#y-axis")
  .on("change", function() {
    animateGraph();
  })

function animateGraph() {
  var x = $('#x-axis').val();
  var y = $('#y-axis').val();

var xValue = function(d) { return d[x];}, // data -> value
    xScale = d3.scale.linear().range([0, width]), // value -> display
    xMap = function(d) { return xScale(xValue(d));}, // data -> display
    xAxis = d3.svg.axis().scale(xScale).orient("bottom");
    console.log(xMap);
    console.log(xAxis);

// setup y
    var yValue = function(d) { return d[y];}, // data -> value
    yScale = d3.scale.linear().range([height, 0]), // value -> display
    yMap = function(d) { return yScale(yValue(d));}, // data -> display
    yAxis = d3.svg.axis().scale(yScale).orient("left");
    
    var cValue = function(d) { return d.Group;},
    color = d3.scale.category20();
    
    d3.csv("passing-stats-2014.csv", function(error, data) {

// change string (from CSV) into number format
    data.forEach(function(d) {
        d[y] = +d[y];
        d[x] = +d[x];
    });
    
  // don't want dots overlapping axis, so add in buffer to data domain
    xScale.domain([d3.min(data, xValue)-1, d3.max(data, xValue)+1]);
    yScale.domain([d3.min(data, yValue)-1, d3.max(data, yValue)+1]);
    
    svg.selectAll("circle")
       .data(data)
       .transition()
       .duration(1000)
       .delay(function(d,i){
          return i/data.length * 500;
       })
       .attr("cx",xMap)
       .attr("cy",yMap);
    
     // Update X Axis
    svg.select(".x.axis")
      .transition()
      .duration(100)
      .call(xAxis);
    
    svg.select(".x.axis text.label")
      .text(x);

// Update Y Axis
    svg.select(".y.axis")
      .transition()
      .duration(100)
      .call(yAxis);
      
    svg.select(".y.axis text.label")
       .text(y); 
    });

}

</script>
</body>
</html>

Modified http://code.jquery.com/jquery-2.1.3.min.js to a secure url

Modified http://d3js.org/d3.v3.min.js to a secure url

Modified http://d3js.org/colorbrewer.v1.min.js to a secure url

https://code.jquery.com/jquery-2.1.3.min.js

https://d3js.org/d3.v3.min.js

https://d3js.org/colorbrewer.v1.min.js