Brushable earthquakes / pbogden

Published

Edited

Oct 5, 2022

1 fork

2 stars

chart

map_filter = {

d3.select(map).selectAll("circle")

.attr("r", d => d.datum.properties.mag)

.attr("fill-opacity", 0.5)

.attr("stroke", "#f00")

.attr("visibility", d => (d.datum.properties.time > chart[0].getTime()

&& d.datum.properties.time < chart[1].getTime())

? "visible" : "hidden");

// Count the visible earthquakes on the map

const n = d3.select(map).selectAll("circle")

.filter(function() { return d3.select(this).attr("visibility") == "visible" })

.nodes().length;

return md`${n} out of ${my_data.length} earthquakes are visible on the map.`

}

d3 = require("d3@6")

myquakes = quakes

my_data = quakes.map(d => [d.datum.properties.time, d.datum.properties.mag])

//import {viewof chart} with {my_data as data} from "@pbogden/click-to-recenter-brush-ii"

import {viewof chart} with {my_data as data} from "c3701ebacf0454b1"

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