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line.html
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<html>
<body>
<table>
<tr>
<th> <div id="lineplot"></div> </th>
</tr>
</table>
</body>
</html>
<!-- load d3.js-->
<script type="text/javascript", src="./js/d3/d3.js"></script>
<script type="text/javascript">
var margin = {top:50, right:50, bottom:50, left:50}
var width = 600 - margin.left - margin.right
var height = 500 - margin.top - margin.bottom
// append svg to body
var svg = d3.select("#lineplot")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.style("background-color", "rgba(128, 255, 255, 0.2)")
.append("g")
.attr("transform", "translate(" + margin.left +", "+ margin.top +")")
// add axis
var x = d3.scaleLinear().domain([1, 100]).range([0, width])
var y = d3.scaleLinear().domain([0, 13]).range([height, 0])
var xAxis = d3.axisBottom(x).tickValues([25.5, 50, 75, 100]).tickFormat(d3.format(".1f"))
svg.append("g").attr("transform", "translate(0, "+height+")").call(xAxis)
svg.append("g").attr("transform", "translate(0, 0)").call(d3.axisLeft(y))
//colormap
var cmap = d3.scaleSequential(d3.interpolateReds).domain([0, 13])
// plot line
var plot = function(data){
console.log(data[0])
// plot scatter
svg.selectAll("circle")
.data(data)
.enter()
.append("circle")
.attr("cx", d=>x(d.x))
.attr("cy", d=>y(d.y))
.attr("r", 3)
.style("fill", d=>cmap(d.y))
//plot line
line = d3.line().x(d=>x(d.x)).y(d=>y(d.y))
svg.append("path")
.datum(data)
.attr("fill", "none")
.attr("stroke", "steelblue")
.attr("stroke-width", 1.)
.attr("d", line)
//plot confidence area
area = d3.area().x(d=>x(d.x)).y0(d=>y(d.CI_right)).y1(d=>y(d.CI_left))
svg.append("path")
.datum(data)
.attr("fill", "rgba(128, 0, 128, 0.2)")
.attr("stroke", "none")
.attr("d", area)
}
// read data and plot
var data = d3.csv("./data/data_IC.csv").then( plot )
// add text
svg.append("text").attr("x", 200).attr("y", 0).text("Line plot")
</script>