Public
Edited
Feb 1, 2023
Fork of base map
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# William's Simsbury Map 2
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SStreets = FileAttachment("Simsbury Streets.geojson").json()
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Sbox = FileAttachment("SimsburyBB.geojson").json()
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d3 = require("d3@6")
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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], Sbox);

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("path2") //d3 geopath
.data(SStreets.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", '.75')
.style("stroke", "rgb(0,0,0)")

g.selectAll("path3") //d3 geopath
.data(lots) //get data to define path
.enter(lots) //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)")

var c = svg.selectAll("circle") //d3 geopath
.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.long,d.lat])[0]})
.attr("cy", function(d) {return projection([d.long,d.lat])[1]})
.attr('r',3)
.attr('fill','black')
.style('fill-opacity','1')




return svg.node();
}
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bbox = FileAttachment("site_boundary.geojson").json()
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spots= d3.csv(spotsLink,d3.autoType)
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lots = FileAttachment("TEST.geojson").json()
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