map = {
const context = this ? this.getContext("2d") : DOM.context2d(size, size);
const render = function() {
const path = d3.geoPath(projection, context);
const rotate = projection.rotate();
const backpath = d3.geoPath(backprojection, context);
const frontColor = d3.hcl('#a9c681');
const backColor = d3.hcl(frontColor);
backColor.l += 15;
backColor.c -= 30;
context.clearRect(0, 0, width, width);
context.beginPath(), path({type:"Sphere"}),
context.fillStyle = '#fcfcfc', context.fill();
context.beginPath(), backpath(countries),
context.fillStyle = backColor, context.fill();
context.beginPath(), backpath(d3.geoGraticule()()),
context.lineWidth = .1, context.strokeStyle = '#aaa', context.stroke();
context.beginPath(), path(d3.geoGraticule()()),
context.lineWidth = .1, context.strokeStyle = '#111', context.stroke();
context.beginPath(), path(countries),
context.globalAlpha = 0.9,
context.lineWidth = 1, context.strokeStyle = frontColor.darker(1), context.stroke(),
context.fillStyle = frontColor, context.fill(),
context.globalAlpha = 1;
context.beginPath(), path({type: "Sphere"}),
context.lineWidth = .1, context.strokeStyle = '#111', context.stroke();
context.beginPath(), path(selectedData);
context.lineWidth = 1, context.strokeStyle = selectedColor, context.stroke()
context.beginPath(), path({type: 'Point', coordinates: selectedPlace});
context.fillStyle = "red", context.fill()
}
// no need to specify render() here, it's taken care of by the loop below.
context.canvas.inertia = d3.geoInertiaDrag(d3.select(context.canvas), null, projection);
const timer = d3.timer(function() {
var rotate = projection.rotate();
rotate[0] += velocity * 20;
projection.rotate(rotate);
backprojection.rotate(rotate);
render();
});
invalidation.then(() => (timer.stop(), timer = null, d3.select(context.canvas).on(".drag", null)));
return context.canvas;
}
Url="https://gist.githubusercontent.com/zhengyunhan/6bae5a5d7872ea314ca155281865fcc3/raw/820ee002c06751c4689e6f7a64318446cdd54fae/select_inflow.csv"
Url2="https://gist.githubusercontent.com/zhengyunhan/ec0cba9408754fc0b38ae90b4dd65a10/raw/3ff848f89d4ebd2ded2c698f1697e18c9a4c3afa/select_outflow.csv"
Inflow=d3.csv(Url)
Outflow=d3.csv(Url2)
arc_inflow={
let features=[]
for (let i=0; i<selected_inflow.length; i++){
features.push({type: "Feature", geometry: {type:"LineString",coordinates:[[parseFloat(selected_inflow[i].lng), parseFloat(selected_inflow[i].lat)], [parseFloat(selected_inflow[i].des_lng), parseFloat(selected_inflow[i].des_lat)]]}},)
}
return {
type: "FeatureCollection",
features: features
}
}
arc_outflow={
let features=[]
for (let i=0; i<selected_outflow.length; i++){
features.push({type: "Feature", geometry: {type:"LineString",coordinates:[[parseFloat(selected_outflow[i].lng), parseFloat(selected_outflow[i].lat)], [parseFloat(selected_outflow[i].des_lng), parseFloat(selected_outflow[i].des_lat)]]}},)
}
return {
type: "FeatureCollection",
features: features
}
}
selectedData = {
switch (selected_inoutflow) {
case "Inflow": return arc_inflow
case "Outflow": return arc_outflow
}
}
selectedColor = {
switch (selected_inoutflow) {
case "Inflow": return "rgba(0,100,0,.4)"
case "Outflow": return "rgba(100,0,0,.4)"
}
}
selectedPlace = {
switch (selected_inoutflow) {
case "Inflow": return [selected_inflow[0].des_lng,selected_inflow[0].des_lat]
case "Outflow": return [selected_outflow[0].lng,selected_outflow[0].lat]
}
}
selected_inflow=z.filter(r => r[selected_institution] == 1, Inflow)
selected_outflow=z.filter(r => r[selected_institution] == 1, Outflow)
institutions=Object.keys(Inflow[0]).slice(14)
land = topojson.feature(world, world.objects.land)
countries = topojson.feature(world, world.objects.countries)
z = require('https://bundle.run/zebras@0.0.11')
versor = require("versor@0.0.3")
import {select} from "@jashkenas/inputs"
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