C1Task1PreD3Stage4

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.14/d3.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3-tip/0.6.7/d3-tip.min.js"></script>
<div id ="container">
    <div id ="header">
        <h1>Demo Scatterplot</h1>
    </div>
    <div id ="sidebar">
    
    
       X-axis:
<select id="xAxisVar" onchange="reDraw()" >
     <option></option>
     <option value="physicalstrength" selected="selected">physical strength</option>
     <option value="fearfactor" >fear factor</option>
     <option value="killingpower">killing power</option>
     <option value="horrorrating">horror rating</option>
</select>
<br>

    






    
    </div>
    <div id ="content">
        <svg height="400" width="650">
        </svg>
    </div>
    <div id ="footer">
    Y-axis:
<select id="yAxisVar" onchange="reDraw()">
     <option></option>
     <option value="physicalstrength">physical strength</option>
     <option value="fearfactor" selected="selected">fear factor</option>
     <option value="killingpower">killing power</option>
     <option value="horrorrating">horror rating</option>
</select>
    </div>
 </div>

CSS

h1 {
    color: #ffffff;
    font-family:  'Raleway';
	font-weight: normal;
        font-size: 1.75em;
	letter-spacing: .2em;
	line-height: 1.1em;
	margin:0px;
	text-align: center;
	text-transform: uppercase;
}
#container {
    width:800px;
}

#header {
    width:800px;
    height: 50px;
    padding: 5px;
    background: #1abc9c;
}

#sidebar {
    height:400px;
    width:150px;
    background: #1abc9c;
    float:left;
}

#content {
    background-color:#ffffff;
    height:400px;
    width:650px;
    float:left;
}
#footer {
    width:630px;
    height: 50px;
    background: #1abc9c;
    float:left;
    font-family:'Raleway';
  font-size: 12px;
  padding: 5px;
  text-align:right;
}

circle {
    stroke: #1abc9c;
    stroke-width: 2;
    fill: white;
}

.d3-tip {
    font-family:  'Raleway';
    line-height: 1;
    padding: 1px;
    background: transparent;
    color: #000;
    border-radius: 2px;
}

.axis path, .axis line {
    fill: none;
    stroke: grey;
    shape-rendering: crispEdges;
}
.axis text {
    font-family: 'Raleway';
    font-size: 11px;
    }
#sidebar{
  position: relative;
  height:400px;
  width:140px;
  background: #1abc9c;
  float:left;
  font-family:'Raleway';
  font-size: 12px;
  padding: 5px;
  }
  
select, button {
  margin: 5px;
  font-family: 'Raleway';
  font-size: 16px;
}

JavaScript

//Set up the data
horror = [{
        "name": "ape man",
            "physicalstrength": 20,
            "fearfactor": 7,
            "killingpower": 12,
            "horrorrating": 4,
            "cluster": 1

    }, {
        "name": "godzilla",
            "physicalstrength": 3,
            "fearfactor": 5,
            "killingpower": 4,
            "horrorrating": 8,
            "cluster": 2

    }, {
        "name": "the ghoul",
            "physicalstrength": 7,
            "fearfactor": 12,
            "killingpower": 2,
            "horrorrating": 7,
            "cluster": 1

    }, {
        "name": "the freak",
            "physicalstrength": 9,
            "fearfactor": 2,
            "killingpower": 1,
            "horrorrating": 17,
            "cluster": 1

    }, {
        "name": "dracula",
            "physicalstrength": 4,
            "fearfactor": 17,
            "killingpower": 5,
            "horrorrating": 16,
            "cluster": 2

    }, {
        "name": "the hangman",
            "physicalstrength": 2,
            "fearfactor": 4,
            "killingpower": 13,
            "horrorrating": 8,
            "cluster": 2

    }, {
        "name": "incredible melting man",
            "physicalstrength": 3,
            "fearfactor": 8,
            "killingpower": 15,
            "horrorrating": 6,
            "cluster": 1

    }, {
        "name": "the thing",
            "physicalstrength": 19,
            "fearfactor": 4,
            "killingpower": 11,
            "horrorrating": 7,
            "cluster": 1

    }];

//Set constants

function reDraw() {
    xVar = document.getElementById('xAxisVar').value;
    yVar = document.getElementById('yAxisVar').value;
    d3.selectAll("circle")
        .transition()
        .duration(500)
        .attr("cx", function (d) {
        return eval("xScale(d." + xVar + ");");
    })
        .attr("cy", function (d) {
        return eval("yScale(d." + yVar + ");");
    });
}









var w = 420,
    h...