Published
Edited
Oct 24, 2021
1 fork
Waste isolated
zips = FileAttachment("bangkok district.geojson").json()
waterbodies = FileAttachment("bangkok water bodies@1.geojson").json()
floodpoint = FileAttachment("bangkok flood point.geojson").json()
floodgate = FileAttachment("bangkok flood gate.geojson").json()
wasteQ = FileAttachment("Quantity Waste.geojson").json()
wasteC = FileAttachment("Waste Center.geojson").json()
housing = FileAttachment("community housing.geojson").json()
stream = FileAttachment("Stream Selection.geojson").json()
river = FileAttachment("River Outline.geojson").json()
river2 = FileAttachment("River Outline 2.geojson").json()
waterQ = FileAttachment("Water Quality.geojson").json()
d3 = require("d3@6")
chart = {
const width = 960,
height = 900;
const svg = d3.create("svg")
.attr("viewBox", [-60, 0, width, height]);
// Use Mercator projection
var projection = d3
.geoMercator()
.fitSize([width - 60, height - 60], zips);
var path = d3.geoPath().projection(projection);
var path2 = d3.geoPath().projection(projection);
var path3 = d3.geoPath().projection(projection);
var path4 = d3.geoPath().projection(projection);
var g = svg.append("g").attr("id", "paths");
g.selectAll("path") //d3 geopath
//svg
//.selectAll('path')
.data(zips.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", path) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "white")
.style('fill-opacity','.25')
.style("stroke-width", "1")
.style("stroke", "#ccc")
g.selectAll("path3") //d3 geopath
//svg
//.selectAll('path')
.data(river2.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", path) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "rgb(0, 0, 212)")
.style('fill-opacity','.2')
.style("stroke-width", "1")
.style("stroke", "black")
//insert waste centers into map
g.selectAll("circle") //d3 geopath
//svg
//.selectAll('path')
.data(wasteC.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr('cx',function(d) {return path.centroid(d)[0]})
.attr("cy", function(d) {return path.centroid(d)[1]})
.attr('r',5)
.attr("fill", "rgb(46, 219, 112)")
.style('fill-opacity','1')
//insert water quality control plants into map
g.selectAll("circle") //d3 geopath
//svg
//.selectAll('path')
.data(waterQ.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr('cx',function(d) {return path.centroid(d)[0]})
.attr("cy", function(d) {return path.centroid(d)[1]})
.attr('r',5)
.attr("fill", "rgb(102, 0, 204)")
.style('fill-opacity','1')
g.selectAll("path4") //d3 geopath
//svg
//.selectAll('path')
.data(wasteQ.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", path) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "rgb(251, 250, 212)")
.style('fill-opacity','0')
.style("stroke-width", "1")
.style("stroke", "#ccc")
.on('mouseover', addfill)
.on('mouseleave', removefill)
//.on('mouseover', addBox2)
//.on('mouseleave', removeBox2)
var tooltip = svg.append("g");
//add waste tool tip
function addBox2(d) {
var centroid = path.centroid(d);
tooltip.call(
callout,
`${d.properties[2554]}
${d.properties.waste_id}`
);
tooltip.attr("transform", "translate(" + centroid + ")");
}
//add stream tool tip
function addBox(event, d) {
var centroid = path.centroid(d);
tooltip.call(
callout,
`${d.properties.STREAM_}
${d.properties.LENGTH}, ${d.properties.LENGTH}`
);
tooltip.attr("transform", "translate(" + centroid + ")");
}
function removeBox(event, d) {
tooltip.call(callout,null)
}
function addfill(event,d) {
d3.select(this).style("fill", "rgb(111,143,123)")
d3.select(this).style('fill-opacity', '0.75')
svg
.append('text')
.attr("class","labels")
.attr('x','100')
.attr('y','100')
.attr('font-size','.85em')
.text(d.properties.dname_e)
addBox2(d)
}
function removefill(event,d) {
d3.selectAll('text.labels')
d3.select(this).style("fill", "white")
d3.select(this).style('fill-opacity', '.25')
removeBox2(d)
}
function removeBox2(event, d) {
tooltip.call(callout,null)
}
return svg.node();
}
//yourData.map((element, index) => {
//})
callout = (g, value) => {
if (!value) return g.style("display", "none");
g
.style("display", null)
.style("pointer-events", "none")
.style("font", "10px sans-serif");
const path = g.selectAll("path")
.data([null])
.join("path")
.attr("fill", "white")
.attr("stroke", "black");
const text = g.selectAll("text")
.data([null])
.join("text")
.call(text => text
.selectAll("tspan")
.data((value + "").split(/\n/))
.join("tspan")
.attr("x", 0)
.attr("y", (d, i) => `${i * 1.1}em`)
.style("font-weight", (_, i) => i ? null : "bold")
.text(d => d));
const {x, y, width: w, height: h} = text.node().getBBox();
text.attr("transform", `translate(${-w / 2},${15 - y})`);
path.attr("d", `M${-w / 2 - 10},5H-5l5,-5l5,5H${w / 2 + 10}v${h + 20}h-${w + 20}z`);
}
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