UD Fall 2023 - New Orleans Vacant Lots Final
d3 = require("d3@6")
chart = {
const width = 2660,
height = 1580;
const svg = d3.create("svg")
.attr("viewBox", [825, 620, width-2350, height-1400]); //use in tandom to create a better square
var projection = d3
.geoMercator()
.fitSize([width - 50, height - 50], bbox);
var path1 = d3.geoPath().projection(projection);//any path that comes from qgis
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("path3")
.data(bldgs.features)
.enter()
.append("path")
.attr('class','outlines')
.attr("d", path3)
.style("fill", "rgb(240,240,240)")
.style("fill-opacity", "1")
.style('stroke-opacity','.1')
.style("stroke-width", '.5')
.style("stroke", "black")
g.selectAll("path2") //d3 geopath
.data(streets.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", '0.3')
.style("stroke", "red")
var c = svg.selectAll("circle")
.data(mypoints.features)
.enter()
.append("circle")
.attr("cx", function(d) {return path1.centroid(d)[0]})
.attr("cy", function(d) {return path1.centroid(d)[1]})
.attr('r',1)
.style('fill','cyan')
.style('fill-opacity','2')
.on('mouseover',fireText)
.on('mouseout',removefireText)
function fireText(event,d){
console.log(d)
svg
.append("text")
.attr('x','830')
.attr('y','690')
.attr('class','mypoints_position')
.style('font-family','helvetica')
.style('font-size','5px')
.style('font-weight','light')
.text(d.properties.description)
var wrap = svg.selectAll("text.mypoints_position")
.each(function(d, i) { wrap_text(d3.select(this), 100) });
svg
.append("line")
.attr('x1','880')
.attr('y1','690')
.attr('x2', path1.centroid(d)[0])
.attr('y2', path1.centroid(d)[1])
.attr('class','fireLine')
.style("stroke-width", '1')
.style("stroke", "rgb(0,0,0)")
.style('stroke-dasharray', '6 4')
}
function removefireText(){
d3.selectAll('text.mypoints_position').remove()
d3.selectAll('line.fireLine').remove()
}
c.enter().append("circle")
.data(fire)
.enter()
.append("circle")
.attr("cx", function(d) {return projection([d.long,d.lat])[0]})
.attr("cy", function(d) {return projection([d.long,d.lat])[1]})
.attr('r',3)
.style('stroke','black')
.style('stroke-width','1')
.style('fill','cyan')
.style('fill-opacity','1')
var t = svg.selectAll("text")
.data(mypoints.features)
.enter()
.append("text")
.attr("x", function(d) {return path1.centroid(d)[0]})
.attr("y", function(d) {return path1.centroid(d)[1]-3})
.style('font-family','helvetica')
.style('font-size','3px')
.style('text-anchor','middle')
.style('font-weight','bold')
.text(function(d) {return d.properties.name})
var z = svg.selectAll("text")
.data(fire.features)
.enter()
.append("text")
.attr("x", function(d) {return path4.centroid(d)[0]})
.attr("y", function(d) {return path4.centroid(d)[1]-7})
.style('font-family','helvetica')
.style('font-size','8px')
.style('text-anchor','middle')
.style('font-weight','bold')
.text(function(d) {return d.properties.name})
svg
.append("text")
.attr('x','830')
.attr('y','660')
.style('font-family','helvetica')
.style('font-size','15px')
.style('font-weight','bold')
.text('Little Woods (NO) Vacant Lots')
svg
.append("text")
.attr('x','830')
.attr('y','680')
.style('font-family','helvetica')
.style('font-size','5px')
.style('font-weight','bold')
.text('Street Address:')
svg
.append("line")
.attr('x1','830')
.attr('y1','670')
.attr('x2','1050')
.attr('y2','670')
.style("stroke-width", '5')
.style("stroke", "rgb(0,0,0)")
return svg.node();
}
bbox = FileAttachment("Bbox.geojson").json()
streets = FileAttachment("streets.geojson").json()
bldgs = FileAttachment("wards.geojson").json()
traffic = FileAttachment("Rivers.geojson").json()
fire = FileAttachment("firre4.geojson").json()
mypoints = FileAttachment("lw-vacant-lots-f.geojson").json()
import { wrap_text, wrap_text_nchar } from "@ben-tanen/svg-text-and-tspan-word-wrapping"
tester = FileAttachment("newnewnew.txt").text()
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