_new_chart2 = {
const zoom = d3.zoom()
.scaleExtent([0.5, 32])
.on("zoom", zoomed);
const svg = d3.create("svg")
.attr("viewBox", [0, 0, width, height]);
const gDot = svg.append("g")
.attr("fill", "none")
.attr("stroke-linecap", "round");
const alldots = gDot.selectAll('.ele')
.data(data2)
.enter()
.append('g')
.attr('class', 'ele');
const circles = alldots
.append("path")
.attr("d", d => `M${x(d['x'])},${y(d['y'])}h0`)
.attr('stroke', d=> {
let val = parseFloat(d.color_name)
console.log(color_scale(val))
return color_scale(val)
})
const labels = alldots
.append('text')
.attr('x', d=> x(d.x))
.attr('y', d=> y(d.y))
.attr('dx', '-3em')
.attr('fill','black')
.text(d=>d['text'])
.style('font-size',3)
.attr('class','label_text');
const gx = svg.append("g");
const gy = svg.append("g");
svg.call(zoom).call(zoom.transform, d3.zoomIdentity);
function zoomed({transform}) {
const zx = transform.rescaleX(x).interpolate(d3.interpolateRound);
const zy = transform.rescaleY(y).interpolate(d3.interpolateRound);
gDot.attr("transform", transform).attr("stroke-width", 9/ transform.k);
var radius = transform.k
var side = 2 * radius * Math.cos(Math.PI / 4),
dx = radius - side / 2;
labels.attr('font-size', 0.1/transform.k)
gx.call(xAxis, zx);
gy.call(yAxis, zy);
}
return Object.assign(svg.node(), {
reset() {
svg.transition()
.duration(750)
.call(zoom.transform, d3.zoomIdentity);
}
});
}