chart = {
const svg = d3.select(DOM.svg(width, height))
.attr('width', width)
.attr('height', height)
const g = svg.append('g')
const proj_br = d3.geoMercator()
.scale(500)
.center([-60, -15])
.translate([width/2, height/2])
const path = d3.geoPath()
.projection(proj_br)
g.selectAll('.state')
.data(topojson.feature(data_map, data_map.objects.estados).features)
.enter()
.append('path')
.attr('d', path)
.attr('fill', (d, i) => color(i))
return svg.node()
}