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California Electrical Energy Production Breakdown

A multiple line chart visualizing California electrical energy production Built with blockbuilder.org

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta http-equiv="Content-Language" content="en" />
    <title>Energy Production in California</title>
    <script src='https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js'></script>

<style>

body { font: 12px avenir next;}

path { 
    stroke: #;
    stroke-width: ;
    fill: none;
}

.axis path,
.axis line {
    fill: none;
    stroke: #e7eff1;
    stroke-width: 1;
    shape-rendering: crispEdges;
}

.graph-svg-component {
    background-color:#e7eff1;
    opacity:0.9;

}

/*div {
        padding: 15px;
        width:800px;
        margin-left:auto;
        margin-right:auto;
          border:10px ;
}*/

.overlay {
  fill: none;
  pointer-events: all;
}

.focus circle {
  fill: #990000;
  stroke: #990000;
}

.line {
  fill: none;
  stroke: #7ea7ba;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-width: 1.5px;
}

.line-hover {
  stroke: #cc6200;
  stroke-width:4;
}

.voronoi path {
  fill: none;
  pointer-events: all;
}

.grid .tick{
    stroke:white;
    stroke-width:1.5px;
    stroke-opacity:0.9;
    shape-rendering: crispEdges;
}

.grid path{
    stroke-width:0;
}

.lable{
    font-size: 30;
}

.lable-hover{
    font-size: 30;
}

text.shadow { stroke: white;
stroke-width: 2.5px;
opacity: 0.9; }

</style>
  </head>

<body>

var margin = {top: 80, right: 140, bottom: 60, left: 80},
    width = 1400 - margin.left - margin.right,
    height = 830 - margin.top - margin.bottom;

var parseDate = d3.time.format("%Y").parse,
    bisectDate = d3.bisector(function(d) { return d.date; }).left,
    formatValue = d3.format(",.2f");

var x = d3.time.scale().range([0, width]);
var y = d3.scale.linear().range([height, 0]);

var xAxis = d3.svg.axis().scale(x)
    .orient("bottom").ticks(15);

var yAxis = d3.svg.axis().scale(y)
    .orient("left").ticks(10);

var voronoi = d3.geom.voronoi()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.value); })
    .clipExtent([[-margin.left, -margin.top], [width + margin.right, height + margin.bottom]]);

var valueline2 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.total_hydroelectric); });

var valueline3 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.nuclear); });

var valueline4 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.in_state_coal); });

var valueline5 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.oil); });

var valueline6 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.natural_gas ); });

var valueline7 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.geothermal ); });

var valueline8 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.biomass ); });

var valueline9 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.wind ); });

var valueline10 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.solar ); });

var valueline11 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.other ); });

var valueline12 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.direct_coal_imports ); });

var valueline13 = d3.svg.line()
    // .interpolate("basis") 
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.other_imports ); });

var svg = d3.select("body")
    .append("svg")
        .attr("width", width + margin.left + margin.right)
        .attr("height", height + margin.top + margin.bottom)
        .attr("class", "graph-svg-component")
    .append("g")
        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

tmp = null;

function make_x_axis() { return d3.svg.axis()
        .scale(x)
        .orient("bottom")
        .ticks(10)
}
function make_y_axis() { return d3.svg.axis()
        .scale(y)
        .orient("left")
        .ticks(5)
}

// Get the data
d3.csv("data_3.csv", function(error, data) {
    
    var flatData = [];
    data.forEach(function(d) {
        d.date = parseDate(d.date);
        // d.california_energy_production = +d.california_energy_production;
        d.total_hydroelectric = +d.total_hydroelectric;
        d.nuclear = +d.nuclear;
        d.in_state_coal = +d.in_state_coal;
        d.oil = +d.oil;
        d.natural_gas = +d.natural_gas;
        d.geothermal = +d.geothermal;
        d.biomass = +d.biomass;
        d.wind = +d.wind;
        d.solar = +d.solar;
        d.other = +d.other;
        d.direct_coal_imports = +d.direct_coal_imports;
        d.other_imports = +d.other_imports;
        flatData.push({date: d.date, value: d.total_hydroelectric, key: "total_hydroelectric"});
        flatData.push({date: d.date, value: d.nuclear, key: "nuclear"});
        flatData.push({date: d.date, value: d.in_state_coal, key: "in_state_coal"});
        flatData.push({date: d.date, value: d.oil, key: "oil"});
        flatData.push({date: d.date, value: d.natural_gas, key: "natural_gas"});
        flatData.push({date: d.date, value: d.geothermal, key: "geothermal"});
        flatData.push({date: d.date, value: d.biomass, key: "biomass"});
        flatData.push({date: d.date, value: d.wind, key: "wind"});
        flatData.push({date: d.date, value: d.solar, key: "solar"});
        flatData.push({date: d.date, value: d.other, key: "other"});
        flatData.push({date: d.date, value: d.direct_coal_imports, key: "direct_coal_imports"});
        flatData.push({date: d.date, value: d.other_imports, key: "other_imports"});
    });
    
    // Scale the range of the data
    x.domain(d3.extent(data, function(d) { return d.date; }));
    y.domain([0, d3.max(data, function(d) { return Math.max( d.total_hydroelectric, d.nuclear,d.in_state_coal, d.oil, d.natural_gas); })])

// Add the valueline path.
    // svg.append("path")       
    //  .attr("class", "line")
    //  .attr("d", valueline1(data));

svg.append("g")
        .attr("class", "grid")
        .attr("transform", "translate(0," + height + ")")
        .call(make_x_axis()
            .tickSize(-height, 0, 0)
            .tickFormat("")
        )
    svg.append("g")
        .attr("class", "grid")
        .call(make_y_axis()
            .tickSize(-width, 0, 0)
            .tickFormat("")
        )

svg.append("path")      
        .attr("class", "line total_hydroelectric") 
        .attr("d", valueline2(data));

svg.append("path")      
        .attr("class", "line nuclear")  
        .attr("d", valueline3(data));

svg.append("path")      
        .attr("class", "line in_state_coal")
        .attr("d", valueline4(data));

svg.append("path")      
        .attr("class", "line oil")  
        .attr("d", valueline5(data));

svg.append("path")      
        .attr("class", "line natural_gas")  
        .attr("d", valueline6(data));

svg.append("path")      
        .attr("class", "line geothermal")      
        .attr("d", valueline7(data));

svg.append("path")      
        .attr("class", "line biomass")      
        .attr("d", valueline8(data));

svg.append("path")      
        .attr("class", "line wind")
        .attr("d", valueline9(data));

svg.append("path")      
        .attr("class", "line solar")      
        .attr("d", valueline10(data));

svg.append("path")      
        .attr("class", "line other")      
        .attr("d", valueline11(data));

svg.append("path")      
        .attr("class", "line direct_coal_imports")  
        .attr("d", valueline12(data));

svg.append("path")      
        .attr("class", "line other_imports")      
        .attr("d", valueline13(data));

svg.append("g")         // Add the X Axis
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);

svg.append("g")         // Add the Y Axis
        .attr("class", "y axis")
        .call(yAxis);

var focus = svg.append("g")
      .attr("class", "focus")
      .attr("transform", "translate(-100,-100)");

focus.append("circle")
      .attr("r", 6);

focus.append("text")
      .attr("x", -9)
      .attr("y",-15)
      .attr("dy", ".35em");

svg.append("text")
        .attr("class", "lable total_hydroelectric")
        .attr("transform", "translate(" + (width+3) + "," + y(data[30].total_hydroelectric) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        // .style("fill", "#898989")
        .text("Total Hydroelectric");

svg.append("text")
        .attr("class", "lable nuclear")
        .attr("transform", "translate(" + (width+3) + "," + y(data[30].nuclear) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        // .style("fill", "#898989")
        .text("Nuclear");

// svg.append("text")
    //     .attr("class", "lable in_state_coal")
    //     .attr("transform", "translate(" + (width+3) + "," + y(data[30].in_state_coal) + ")")
    //     .attr("dy", ".35em")
    //     .attr("text-anchor", "start")
    //     // .style("fill", "#898989")
    //     .text("In State Coal");

// svg.append("text")
    //     .attr("class", "lable oil")
    //     .attr("transform", "translate(" + (width+3) + "," + y(data[30].oil) + ")")
    //     .attr("dy", ".35em")
    //     .attr("text-anchor", "start")
    //     // .style("fill", "#898989")
    //     .text("Oil");

svg.append("text")
        .attr("class", "lable natural_gas")
        .attr("transform", "translate(" + (width+3) + "," + y(data[30].natural_gas) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        // .style("fill", "#898989")
        .text("Natural Gas");

svg.append("text")
        .attr("class", "lable geothermal")
        .attr("transform", "translate(" + (width+3) + "," + y(data[30].geothermal) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        // .style("fill", "#898989")
        .text("Geotheral");

// svg.append("text")
    //     .attr("class", "lable biomass")
    //     .attr("transform", "translate(" + (width+3) + "," + y(data[30].biomass) + ")")
    //     .attr("dy", ".35em")
    //     .attr("text-anchor", "start")
    //     // .style("fill", "#898989")
    //     .text("Biomass");

// svg.append("text")
    //     .attr("class", "lable wind")
    //     .attr("transform", "translate(" + (width+3) + "," + y(data[30].wind) + ")")
    //     .attr("dy", ".35em")
    //     .attr("text-anchor", "start")
    //     // .style("fill", "#898989")
    //     .text("Wind");

// svg.append("text")
    //     .attr("class", "lable solar")
    //     .attr("transform", "translate(" + (width+3) + "," + y(data[30].solar) + ")")
    //     .attr("dy", ".35em")
    //     .attr("text-anchor", "start")
    //     // .style("fill", "#898989")
    //     .text("Solar");

// svg.append("text")
    //     .attr("class", "lable other")
    //     .attr("transform", "translate(" + (width+3) + "," + y(data[30].other) + ")")
    //     .attr("dy", ".35em")
    //     .attr("text-anchor", "start")
    //     // .style("fill", "#898989")
    //     .text("Other");

// svg.append("text")
    //     .attr("class", "lable direct_coal_imports")
    //     .attr("transform", "translate(" + (width+3) + "," + y(data[30].direct_coal_imports) + ")")
    //     .attr("dy", ".35em")
    //     .attr("text-anchor", "start")
    //     // .style("fill", "#898989")
    //     .text("Direct Coal Imports");

svg.append("text")
        .attr("class", "lable other_imports")
        .attr("transform", "translate(" + (width+3) + "," + y(data[30].other_imports) + ")")
        .attr("dy", ".35em")
        .attr("text-anchor", "start")
        // .style("fill", "#898989")
        .text("Other Imports");
  
  console.log(flatData)

var voronoiGroup = svg.append("g")
      .attr("class", "voronoi");
      
    voronoiGroup.selectAll("path")
      .data(voronoi(flatData))
      .enter().append("path")
      .attr("d", function(d) { return "M" + d.join("L") + "Z"; })
      .datum(function(d) { return d.point; })
      .on("mouseover", mouseover)
      .on("mouseout", mouseout);

function mouseover(d) {
      console.log(d);
      d3.select("."+d.key).classed("line-hover", true);
      focus.attr("transform", "translate(" + x(d.date) + "," + y(d.value) + ")");
      focus.select("text")
            .text( d.value + " Gigawatt/Hours")
            .style("font-size", "14")
            .style("opacity", "0.75")
            .style("font-weight",500);

}
  
    function mouseout(d) {
      d3.select("."+d.key).classed("line-hover", false);
      focus.attr("transform", "translate(-100,-100)");
    }

});

d3.select("svg")
            .append("text")
            .attr("x", 10)
            .attr("y", 40)
            .text("California Electrical Energy Production Breakdown, Visualized")        
            .style({"font-size":"28px", 
                "font-family":"Helvetica",
                "font-weight":"600",
                "opacity":"0.8",
                });

d3.select("svg")
            .append("text")
            .attr("x", 13)
            .attr("y", 65)
            .text("Hover your mouse on each energy source to see more details")        
            .style({"font-size":"20px", 
                "font-family":"Helvetica",
                "font-weight":"400",
                "opacity":"0.65",
                });

d3.select("svg")
            .append("text")
            .attr("x",10)
            .attr("y",820)
            .text("Produced by Jeremy C.F. Lin")
            .style({"font-size":"12px", 
                "font-family":"avenir next",
                "font-weight":"500",
                "opacity":"0.65",
                })

d3.select("svg")                
            .append("text")
            .attr("x", 10)
            .attr("y", 805)
            .text("Data source: https://energyalmanac.ca.gov/electricity/")        
            .style({"font-size":"12px", 
                "font-family":"avenir next",
                "font-weight":"500",
                "opacity":"0.65",
                });

d3.select("svg")                
            .append("text")
            .attr("x", 1263)
            .attr("y", 688)
            .text("Wind")  
            
            d3.select("svg")                
            .append("text")
            .attr("x", 1263)
            .attr("y", 718)
            .text("Direct Coal Imports")

d3.select("svg")                
            .append("text")
            .attr("x", 1263)
            .attr("y", 730)
            .text("Biomass")

d3.select("svg")                
            .append("text")
            .attr("x", 1263)
            .attr("y", 745)
            .text("Solar")

d3.select("svg")                
            .append("text")
            .attr("x", 1263)
            .attr("y", 760)
            .text("Oil")

d3.select("svg")                
            .append("text")
            .attr("x", 1263)
            .attr("y", 775)
            .text("Other")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",345)
            .style("opacity",0.7)
            .style("font-size",10)
            .text(" Other Imports include power plants locatd")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",360)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("physically out-of-state as following:")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",375)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("Intermountain Power Plant (coal) in Utah,")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",390)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("Mohave Generation Station (coal) in Nevada,")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",405)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("Terra-Gen Dixie Valley plant (geothermal)")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",420)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("Desert Star Plant (natural gas) in Nevada,")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",435)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("Termoelectrica de Mexicali Plant and")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",450)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("InterGen's La Rosita Plant (natural gas)")

d3.select("svg")
            .append("text")
            .attr("x",1190)
            .attr("y",465)
            .style("opacity",0.7)
            .style("font-size",10)
            .text("both of which are in Mexico.")

</script>
  </body>

</html>

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