Public
Edited
Sep 28, 2022
1 star
220922_Singapore Mass Rapid Transit
d3 = require("d3@6")
chart = {
const width = 900,
height = 700;
const svg = d3.create("svg")
.attr("viewBox", [50, 50, width-100, height-100]);
// Use Mercator projection
var projection = d3
.geoMercator()
.fitSize([width - 25, height - 50], SINbound);
var path1 = d3.geoPath().projection(projection);
var path2 = d3.geoPath().projection(projection);
var path3 = d3.geoPath().projection(projection);
var path4 = d3.geoPath().projection(projection);
var path5 = d3.geoPath().projection(projection);
var path6 = d3.geoPath().projection(projection);
var path7 = d3.geoPath().projection(projection);
var path8 = d3.geoPath().projection(projection);
var g = svg.append("g").attr("id", "paths");
//i'm not using the boundary lines, so I'm going to comment them out
/*
g.selectAll("path1") //d3 geopath
.data(boundary.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path1) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "none")
.style('stroke-opacity','1')
.style("stroke-width", '.5')
.style("stroke", "rgb(0,0,0)")
*/
/*
g.selectAll("path2") //d3 geopath
.data(aslnywalk.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path2) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "none")
.style('stroke-opacity','1')
.style("stroke-width", '1')
.style("stroke", "rgb(0,0,0)")
g.selectAll("path3") //d3 geopath
.data(sbpwalk.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path2) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "none")
.style('stroke-opacity','1')
.style("stroke-width", '1')
.style("stroke", "rgb(0,0,0)")
g.selectAll("path4") //d3 geopath
.data(midtownBL.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path3) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "rgb(242,234,233)")
.style("fill-opacity", ".6")
.style('stroke-opacity','.4')
.style("stroke-width", '.25')
.style("stroke", "rgb(99,48,64)")
*/
g.selectAll("path4") //d3 geopath
.data(SINisland.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path4) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "rgb(242,234,233)")
.style("fill-opacity", ".6")
.style('stroke-opacity','.4')
.style("stroke-width", '.25')
.style("stroke", "rgb(99,48,64)")
g.selectAll("path5") //d3 geopath
.data(SINroads.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path5) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "none")
.style('stroke-opacity','.4')
.style("stroke-width", '.6')
.style("stroke", "rgb(160,160,160)")
g.selectAll("path6") //d3 geopath
.data(SINrail.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path6) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "none")
.style('stroke-opacity','1')
.style("stroke-width", '.5')
.style("stroke", "rgb(99,48,64)")
var c = svg.selectAll("circle") //d3 geopath
.data(SINstations)
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr("cx", function(d) {return projection([d.lng,d.lat])[0]})
.attr("cy", function(d) {return projection([d.lng,d.lat])[1]})
.attr('r',4.5)
.attr('fill',colorType) // add function to control color by 'type'
.attr('stroke-opacity','.85')
.attr("stroke-width", "1.5")
.attr("stroke", "rgb(255,255,255)")
.style('fill-opacity','1')
.on('mouseover', spotText)
.on('mouseout', removeSpotText)
function colorType(d,i) {
var color = 'black'
if(d.type=='MRT'){color = 'rgb(204,0,102)'}
if(d.type=='LRT'){color = 'rgb(153,51,255)'}
return color
}
function spotText(event,d){
d3.select(this)
.attr('fill','deepskyblue')
.attr('r',7)
.style("stroke", "rgb(128, 223, 255)")
.style("stroke-opacity",'.75')
.style("stroke-width", '10')
svg.append('text')
.attr('class','spots')
.attr('x','710')
.attr('y','505')
.attr('font-family','Tahoma')
.attr('font-size','0.8em')
.attr('fill','black')
.attr('text-anchor','start')
.attr('font-weight','400')
.text(d.station_name)
/*
svg.append('text')
.attr('class','spots')
.attr('x','720')
.attr('y','515')
.attr('font-family','Helvetica')
.attr('font-size','.5em')
.attr('text-anchor','start')
.attr('font-weight','normal')
.attr('font-style','italic')
.text(d.type)
*/
svg.append('line')
.attr('class','spotLine')
.attr('x1','700')
.attr('y1','500')
.attr('x2',projection([d.lng,d.lat])[0])
.attr('y2','500')
.style('stroke-width','1')
.style('stroke','black')
.style('stroke-dasharray','4 2')
svg.append('line')
.attr('class','spotLine')
.attr('x1',projection([d.lng,d.lat])[0])
.attr('y1','500')
.attr('x2',projection([d.lng,d.lat])[0])
.attr('y2',projection([d.lng,d.lat])[1])
.style('stroke-width','1')
.style('stroke','black')
.style('stroke-dasharray','4 2')
}
function removeSpotText(event,d) {
d3.select(this).attr('fill',colorType)
d3.select(this).style("stroke", "rgb(255,255,255)")
d3.select(this).style('stroke-opacity','.85')
d3.select(this).style("stroke-width", "1.5")
d3.select(this).attr('r',4.5)
d3.selectAll('text.spots').remove()
d3.selectAll('line.spotLine').remove()
}
/*
c.enter.append('circle')// format to add additional circles
.data(spots)
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr("cx", function(d) {return projection([d.longitude,d.latitude])[0]})
.attr("cy", function(d) {return projection([d.longitude,d.latitude])[1]})
.attr('r',3)
.attr('fill','black')
.style('fill-opacity','1')
*/
return svg.node();
}
/*
midtownBL = FileAttachment("midtown_build4.geojson").json()
*/
SINroads = FileAttachment("SIN_Roads.geojson").json()
SINisland = FileAttachment("SIN_IslandBase.geojson").json()
SINrail = FileAttachment("SIN_Railways.geojson").json()
SINstations = FileAttachment("mrt_lrt_data.csv").csv()
/*
aslnywalk = FileAttachment("aslnywalk2_line.geojson").json()
*/
/*
sbpwalk = FileAttachment("sbpwalk2_line.geojson").json()
*/
/*
midspotsLink = "https://docs.google.com/spreadsheets/d/e/2PACX-1vSfFSxkNWWXRZrl2ZHNV4KSffLCmGDQHrVFVY_Krd-oq79HD87A4msP9V3BamXxS04GnoGvR2y8vjke/pub?gid=1670605220&single=true&output=csv"
*/
/*
spots=d3.csv(midspotsLink,d3.autoType)
*/
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