Software engineer working primarily with front-end technologies. I live at the intersection of design and code.
myData =[{group: 'mDem', value: '22',label: 'DEM'}, {group: 'wDem', value: '10',label: 'DEM'}, {group: 'spacer', value: '20', label: 'IND'},{group: 'wReb', value: '2',label: 'GOP'}, {group: 'mReb', value: '15',label: 'GOP'} ]
myLineData= [{group: 1, value: '1'}, {group: 2, value: '50'},{group: 3, value: '100'}, ]
myLegendData=[{group: 'DEM', value: 105},{group: 'DEM', value: 105},{group: 'IND', value: 105}, {group: 'GOP', value: 105}, {group: 'GOP', value: 105}]
myMax_value = 100
myMax_radius = 100
myScale = d3.scaleLinear().domain([0,100]).range([50,150])
myPolarData = myData.map((d,i) => {
return {
value: i !== 2 ? myScale(d.value): +d.value,
percent: i !== 2 ? d.value : 0,
sector: d.group,
startAngle: (i * Math.PI * 2) / 10,//because 5 sections in a half circle. If wanted whole circle, would be 10 sections
endAngle: ((i * Math.PI * 2) / 10) + (Math.PI * 2 / 10),
outerRadius:(myScale(d.value) / myMax_value) * myMax_radius
} } )
myPolarLineData = myLineData.map((d,i) => {
return {
value:myScale(d.value),
percent:d.value,
sector: d.group,
startAngle:0,
endAngle: (Math.PI * 2 / 2),
outerRadius:(myScale(d.value) / myMax_value) * myMax_radius
} } )
myPolarLegendData = myLegendData.map((d,i) => {
return {
value:myScale(d.value),
percent:d.value,
sector: d.group,
startAngle:i === 2 ? ((i * Math.PI * 2)/10) +.02 : ((i * Math.PI * 2)/10),//because 5 sections in a half circle. If wanted whole circle, would be 10 sections
endAngle: i === 2 ? ((i * Math.PI * 2) / 10) + (Math.PI * 2 / 10) - .02: ((i * Math.PI * 2) / 10) + (Math.PI * 2 / 10),
outerRadius:(myScale(d.value) / myMax_value) * myMax_radius
} } )
myArc = d3.arc()
.innerRadius(50)
myLineArc = d3.arc()
myChart = {
const arcs = myPolarData; // pie(data);
const lineArcs = myPolarLineData
const legendArcs = myPolarLegendData
const spacer = 50
const svg = d3.create("svg")
.attr("viewBox", [-width / 2, -height / 2, width, height])
.attr("transform", "rotate(-90) translate(-100)")
svg.append("g")
.selectAll("path")
.data(arcs)
.join("path")
.attr("fill", (d,i) => myColor[i])
.attr("d", myArc)
// Wrapper for the grid & axes
var legend = svg.append("g").attr("class", "legend");
legend
.selectAll("path")
.data(legendArcs)
.join("path")
.attr("stroke", (d,i) => myLegendColor[i])
.attr("stroke-width", 2)
//.attr('opacity', .5)
.attr('fill', 'transparent')
.attr("d", myLineArc)
var lines = svg.append("g").attr("class", "lines");
lines
.selectAll("path")
.data(lineArcs)
.join("path")
.attr("stroke", (d,i) => i?'gray': 'white')
.attr('stroke-dasharray', '4 4')
.attr('opacity', .5)
.attr('fill', 'transparent')
.attr("d", myLineArc)
// Draw the background circles
// axisGrid.selectAll(".levels")
// .data(d3.range(4).reverse())
// .enter()
// .append("circle")
// .attr("class", "gridCircle")
// .attr("r", d => d * spacer)
// .style("fill", 'transparent')
// .attr("stroke", "#cdcdcd")
//.style("fill-opacity", .5);
// svg.append("g")
// .attr("font-family", "sans-serif")
// .attr("font-size", 12)
// .attr("text-anchor", "middle")
// .selectAll("text")
// .data(arcs)
// .join("text")
// .attr("transform", d => `translate(${arcLabel.centroid(d)})`)
// .call(text => text.append("tspan")
// .attr("y", "-0.4em")
// .attr("font-weight", "bold")
// .text( d => d.sector ));
return svg.node();
}
myColor = ['#5f7dad', '#133061', 'transparent','#8f1626', '#db6272']
myLegendColor=['#133061', '#133061', 'grey','#8f1626', '#8f1626']
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