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may6th1.2
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>class-02 demo</title> | |
| <style> | |
| .line { | |
| fill: none; | |
| stroke: black; | |
| stroke-width: 1px; | |
| } | |
| rect { | |
| fill: none; | |
| stroke: black; | |
| stroke-width: 1px; | |
| } | |
| path{ | |
| fill: none; | |
| stroke: black; | |
| } | |
| </style> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/topojson.v2.min.js"></script> | |
| <body> | |
| <script> | |
| var width = 960; | |
| var height = 500; | |
| var data = null; // global variable | |
| // Set the map projection centered on Texas | |
| var projection = d3.geoMercator() | |
| .scale(2000) | |
| .center([-98.90, 31.96]); | |
| var path = d3.geoPath() | |
| .pointRadius(5) | |
| .projection(projection); | |
| //projection.fitSize([width, height], object); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var layer1 = svg.append("g"); | |
| var layer2 = svg.append("g"); | |
| var url = "https://raw.githubusercontent.com/TNRIS/tx.geojson/master/counties/tx_counties.geojson"; | |
| var TEX = "https://raw.githubusercontent.com/li01012/classes/master/Project/Final_Texas_Data.csv"; | |
| // Read and plot the state & county boundaries | |
| d3.json(url, plotState); | |
| d3.csv(TEX, function(err, csv){ | |
| if (err) throw err; | |
| console.log(csv[0]) | |
| }); | |
| function plotState(error, tx) { | |
| if (error) console.log(error); | |
| var all = tx.features; | |
| layer1.selectAll("path") | |
| .data(all) | |
| .enter().append ("path") | |
| .attr("d", path); | |
| } | |
| </script> |
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