VI9

Read me file for VI9

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</head>
<style>
body {
  font: 11px sans-serif;
  margin: auto;
  width: 90%;
}

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

.dot {
  stroke: #000;
}

.tooltip {
  position: absolute;
  width: 150px;
  height: 40px;
  font-size: 11px;
  pointer-events: none;
} 
</style>
<body>
<div class="col-xs-12 graph1">
		<h4 class="text-center" >Selection and Highlighting implementation</h4>
		<h5 class="text-center" >Hover on each legend makes other conferences become invisible temporary until hover out</h5>
		<h5 class="text-center" >Click on each legend makes other conferences become invisible totally until click elsewhere</h5>
		<h5 class="text-center" >Hover on each point show the name and the values of each point</h5>
</div>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 50, right: 30, bottom: 60, left: 100},
    width = 960 - margin.left - margin.right,
    height = 560 - margin.top - margin.bottom;

var tooltip = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0);

// setup fill color
var cValueTR = function(d) { 
	if(d['Conf'] ==  'SEC' || d['Conf'] == 'ACC' || d['Conf'] == 'Big 12' || d['Conf'] == 'Pac-12' || d['Conf'] ==  'Big Ten') {
		return d['Conf'];
	} 
};

//var colorTR = d3.scale.category10();

//Set the color for each region
var colorTR = d3.scale.ordinal()
					.range(["#e41a1c", "#377eb8", "#4daf4a", "#984ea3", "#ff7f00"])
					.domain(["SEC", "ACC", "Big 12", "Pac-12", "Big Ten"]);

// setup x 
var xValueTR = function(d) { 
	if(d['Conf'] ==  'SEC' || d['Conf'] == 'ACC' || d['Conf'] == 'Big 12' || d['Conf'] == 'Pac-12' || d['Conf'] ==  'Big Ten') {
		return d['Rushing Attempts'];
	}

}, yValueTR = function(d) { 
	if(d['Conf'] ==  'SEC' || d['Conf'] == 'ACC' || d['Conf'] == 'Big 12' || d['Conf'] == 'Pac-12' || d['Conf'] ==  'Big Ten') {
		return d["Passing Attempts"];
	}

}// data -> value

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

var yScale = d3.scale.linear().range([height, 0]), // value -> display
yMap = function(d) { return yScale(yValueTR(d));}, // data -> display
yAxis = d3.svg.axis().scale(yScale).orient("left");

var opacityCircles = 0.8; 
// add the graph canvas to the body of the webpage
var svg4 = d3.select(".graph1").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom);

var wrapper = svg4.append("g").attr("class", "chordWrapper")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// load data
d3.csv("passing-stats-2014.csv", function(error, data) {

// change string (from CSV) into number format
  var myDataTR = [];
  data.forEach(function(d) {
    //d.Calories = +d.Calories;
	if(d['Conf'] ==  'SEC' || d['Conf'] == 'ACC' || d['Conf'] == 'Big 12' || d['Conf'] == 'Pac-12' || d['Conf'] ==  'Big Ten') {
		d['Rushing Attempts'] = +d['Rushing Attempts'];
		d['Passing Attempts'] = +d['Passing Attempts'];
		myDataTR.push(d);
	} 
  });
  
    // don't want dots overlapping axis, so add in buffer to data domain
  xScale.domain([d3.min(myDataTR, xValueTR)-5, d3.max(myDataTR, xValueTR)+5]);
  yScale.domain([d3.min(myDataTR, yValueTR)-5, d3.max(myDataTR, yValueTR)+5]);

// x-axis
  wrapper.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("Rushing Attempts");

// y-axis
  wrapper.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("Passing Attempts");

// draw dots
  wrapper.selectAll(".dot")
      .data(myDataTR)
    .enter().append("circle")
      .attr("class", "dot")
      .attr("r", 3.5)
      .attr("cx", xMap)
      .attr("cy", yMap)
      .style("fill", function(d) { return colorTR(cValueTR(d));}) 
      .style("opacity", opacityCircles)
      .on("mouseover", function(d) {
          tooltip.transition()
               .duration(200)
               .style("opacity", .9);
          tooltip.html(d["Player"] + "<br/> (" + xValueTR(d) 
	        + ", " + yValueTR(d) + ")")
               .style("left", (d3.event.pageX + 5) + "px")
               .style("top", (d3.event.pageY - 28) + "px");
      })
      .on("mouseout", function(d) {
          tooltip.transition()
               .duration(500)
               .style("opacity", 0);
      });

// draw legend
  var legend = wrapper.selectAll(".legend")
      .data(colorTR.domain())
    .enter().append("g")
      .attr("class", "legend")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });

// draw legend colored rectangles
  legend.append("rect")
      .attr("x", width - 18)
      .attr("width", 18)
      .attr("height", 18)
      .style("fill", colorTR)
      .style("cursor", "pointer")
	  .on("mouseover", selectLegend(0.05))
	  .on("mouseout", selectLegend(opacityCircles))
	  .on("click", clickLegend);

// 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;})

});

///////////////////////////////////////////////////////////////////////////
////////////////////Hover function for the legend ////////////////////////
///////////////////////////////////////////////////////////////////////////

//Decrease opacity of non selected circles when hovering in the legend	
function selectLegend(opacity) {
	return function(d, i) {
		var chosen = colorTR.domain()[i];
		
		wrapper.selectAll(".dot")
		.filter(function(d) { return d['Conf'] != chosen; })
		.transition()
		.style("opacity", opacity)
		;
	};
}//function selectLegend

///////////////////////////////////////////////////////////////////////////
///////////////////// Click functions for legend //////////////////////////
///////////////////////////////////////////////////////////////////////////

//Function to show only the circles for the clicked sector in the legend
function clickLegend(d,i) {

event.stopPropagation();
	
	//deactivate the mouse over and mouse out events
	d3.selectAll(".legend")
		.on("mouseover", null)
		.on("mouseout", null);
	
	//Chosen legend item
	var chosen = colorTR.domain()[i];
	
	//Only show the circles of the chosen sector
	wrapper.selectAll(".dot")
	.style("opacity", opacityCircles)
	.style("visibility", function(d) {
		if (d['Conf'] != chosen) return "hidden";
		else return "visible";
	});

}//sectorClick

//Show all the cirkels again when clicked outside legend
function resetClick() {

//Activate the mouse over and mouse out events of the legend
	d3.selectAll(".legend")
	.on("mouseover", selectLegend(0.05))
	.on("mouseout", selectLegend(opacityCircles));
	
	//Show all circles
	wrapper.selectAll(".dot")
	.style("opacity", opacityCircles)
	.style("visibility", "visible");

}//resetClick

//Reset the click event when the user clicks anywhere but the legend
d3.select("body").on("click", resetClick);

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

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

https://code.jquery.com/jquery-2.2.2.min.js

https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js

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