Published unlisted
Edited
Jul 26, 2022
Fork of base map
Insert cell
# Brooklyn & Queens Textile Drop-off Location
Insert cell
d3 = require("d3@6")
Insert cell
chart = {
const width = 960,
height = 900;
const svg = d3.create("svg")
.attr("viewBox", [50, 50, width-100, height-100]);

// Use Mercator projection
var projection = d3
.geoMercator()
.fitSize([width - 50, height - 50], bbox);

var path = d3.geoPath().projection(projection);
var path1 = d3.geoPath().projection(projection);
var path2 = d3.geoPath().projection(projection);
var path3 = 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("path4") //d3 geopath
.data(communityDistrict.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(240,240,240)")
.style("fill-opacity", ".5")
.style('stroke-opacity','.4')
.style("stroke-width", '.5')
.style("stroke", "rgb(0,0,0)")

g.selectAll("path2") //d3 geopath
.data(subLns.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", '.10')
.style("stroke", "rgb(0,0,0)")

g.selectAll("path3") //d3 geopath
.data(bldgs.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(164,164,164)")
.style("fill-opacity", ".5")
.style('stroke-opacity','0')
.style("stroke-width", '0')
.style("stroke", "rgb(0,0,0)")





var c = svg.selectAll("circle") //d3 geopath
.data(subSts.features)
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr("cx", function(d) {return path1.centroid(d)[0]})
.attr("cy", function(d) {return path1.centroid(d)[1]})
.attr('r',1.5)
.attr('fill','black')
.style('fill-opacity','.25')

/*
c.enter().append('circle')//d3 geopath
.data(textileDropOffLocation.features)
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr("cx", function(d) {return path1.centroid(d)[0]})
.attr("cy", function(d) {return path1.centroid(d)[1]})
.attr('r',2)
.attr('fill','rgb(255,177,158)')
.style('fill-opacity','1')
*/


var g = svg.append("g").attr("id", "paths");
g.selectAll("path") //d3 geopath
//svg
//.selectAll('path')
.data(zips.features) //get data to define path
//console.log(function(d,0){return d})
.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','.5')
.style("stroke", "#ccc")
.on("mouseover", addBoundingBox)
.on("mouseleave", removeBoundingBox);



var s = svg.append("g").attr("id", "subs");
s.selectAll('path')
.data(textileDropOffLocation.features)
.enter()
.append('path')


var sc = svg.append("g").attr("id", "subsc");
sc.selectAll('circle')
.data(textileDropOffLocation.features)
.enter()
.append('circle')
.attr("cx", function(d) { return path.centroid(d)[0]})
.attr("cy", function(d) { return path.centroid(d)[1]})
.attr('r',4)
.attr('fill','rgb(255,177,158)')
.style('fill-opacity','.75')
.on("mouseover", subTxt)
.on("mouseleave", subTxtOut)

const tooltip2 = svg.append("g");
//.attr("transform", 'scale(1 .5)')
//.attr("r", 1)
//.attr("cx", function(d) { return [0]})
//.attr("cy", function(d) { return [1]})
//console.log(function(d) { return [0]})
/*
svg.append("g").attr("id", "centers");
g.selectAll('circle')
.data(zips.features)
.enter()
.append('circle')
.attr("cx", function(d) { return path.centroid(d)[0]})
.attr("cy", function(d) { return path.centroid(d)[1]})
.attr("r", 2)
.attr("fill", "black")
*/

/*
svg.append("g").attr("id", "words");
g.selectAll("text")
.data(zips.features)
.enter()
.append("text")
.attr("transform", function (d) {
return "translate(" + path.centroid(d) + ")";
})
.attr("font-size", ".15em")
.text(function (d) {
return d.properties.PO_NAME;
});

*/

function addBoundingBox(event, d) {
const centroid = path.centroid(d);
const pat = path(d)

d3.select(this).style("fill", 'red');
//svg
//.append('path')
//.attr('class','hov')
//.attr("id", "hovers")
//.attr("d", pat)
//.style("fill", "gray");
svg
.append("circle")
.attr("class", "centroid")
.attr("cx", 0)
.attr("cy", 0)
.attr("cx", centroid[0])
.attr("cy", centroid[1])

svg
.append("text")
.attr("class", "labels")
.attr('x',100)
.attr('y',100)
.attr("font-size", "2em")
.text(d.properties.PO_NAME);
}
function subTxt(event, d) {

const centroid = path.centroid(d);
d3.select(this).style("fill", 'gray');
svg
.append("text")
//.selectAll("text")
//.data(d.textileDropOffLocation.features)
//.join("text")
//.enter()
.attr("class", "sublabels")
.attr('dx','10px')
.attr('x',centroid[0])
.attr('y',centroid[1])
.attr("font-size", ".55em")
//.text(d.properties.address);
//.text(tooltip(d));
//console.log(tooltip)


//svg
//.selectAll(d)
//tooltip2.call(
//callout,
//`${d.properties.address}
//${d.properties.borough}, ${d.properties.items_acce}`
//);
//tooltip2.attr("transform", "translate(" + centroid + ")");

}
function removeBoundingBox() {

console.log('out')
d3.selectAll("circle.centroid").remove();
d3.selectAll("text.labels").remove();
//d3.selectAll("path.hov").style("fill", 'white');
d3.select(this).style("fill", 'white');
}

function subTxtOut() {

d3.selectAll("text.sublabels").remove();
d3.select(this).style("fill", 'rgb(255,177,158)');
tooltip2.call(callout, null);
}

svg
.selectAll("circle")
.on("touchmove mousemove", function(event, d) {
const centroid = path.centroid(d);
tooltip2.call(
callout,
`${d.properties.address}
${d.properties.ntaname}, ${d.properties.borough}
${d.properties.items_acce}`
);
tooltip2.attr("transform", "translate(" + centroid + ")");
})
//subways()


return svg.node();
}
Insert cell
zips = FileAttachment("zip_test4.geojson").json()
Insert cell
textileDropOffLocation = FileAttachment("Textile Drop Off Location.geojson").json()
Insert cell
subSts = FileAttachment("Subway Station.geojson").json()
Insert cell
bldgs = FileAttachment("House Boundary.geojson").json()
Insert cell
bbox = FileAttachment("Boundary Line.geojson").json()
Insert cell
subLns = FileAttachment("Subway Line.geojson").json()
Insert cell
boundary = FileAttachment("nyc_boundary.geojson").json()
Insert cell
communityDistrict = FileAttachment("Community District.geojson").json()
Insert cell
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`);
}
Insert cell

One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.
Learn more