Last active
July 8, 2016 04:25
-
-
Save ResidentMario/36e786ac6b3fe62a13c4a42945bad1be to your computer and use it in GitHub Desktop.
New York City Tree Density by Neighborhood
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script> | |
| <<script src="//d3js.org/d3.v3.min.js"></script> | |
| <script src="//d3js.org/topojson.v1.min.js"></script> | |
| <script src="//npmcdn.com/rbush@1.4.3/rbush.js"></script> | |
| <script src="//cdn.rawgit.com/newsappsio/spam/master/spam.js"></script> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/d3-legend/1.10.0/d3-legend.js"></script> | |
| <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/d3-legend/1.10.0/d3-legend.js"></script> | |
| <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet"> | |
| <link href='https://fonts.googleapis.com/css?family=Roboto' rel='stylesheet' type='text/css'> | |
| <!DOCTYPE html> | |
| <meta charset="utf-8" /> | |
| <style> | |
| select { | |
| "position": absolute, | |
| } | |
| .legend { | |
| display: table; | |
| margin: 0 auto; | |
| font-family: "Roboto", sans-serif; | |
| font-size: 14px; | |
| width: 400px; | |
| height: 50px; | |
| font-weight: normal; | |
| } | |
| </style> | |
| <body> | |
| <div> | |
| <select id="selectMenu" style="position:absolute; left:80px; top:120px;"> | |
| <option>Density by Population</option> | |
| <option>Density by Area</option> | |
| </select> | |
| </div> | |
| <div style="position:absolute; left:80px; top:20px; font-family:Roboto; font-weight:bold; font-size:30px;"> | |
| New York City Tree Density<br/>by Neighborhood | |
| </div> | |
| <div id="mapHolder"> | |
| </div> | |
| <script type='text/javascript'> | |
| d3.select("#selectMenu") | |
| .on("change", criteriaChanged); | |
| function criteriaChanged() { | |
| var entity_selection = document.getElementById('selectMenu'); | |
| var newIndex = entity_selection.selectedIndex; | |
| var newValue = entity_selection[newIndex].text; | |
| d3.select("canvas").remove(); | |
| paint(newValue); | |
| } | |
| var tree_by_area_color = d3.scale.linear() | |
| .domain([0, 5845]) | |
| .range(['#f7fcf5', '#00441b']); | |
| var tree_by_population_color = d3.scale.linear() | |
| .domain([0.003144, 0.0209, 0.03466, 0.043656, 0.054486, 0.075988, 0.1120, 3.024]) | |
| .range(['#f7fbff','#deebf7','#c6dbef','#9ecae1','#6baed6','#4292c6','#2171b5','#084594']); | |
| var colorvar = 'ntrees'; | |
| paint("Density by Population"); | |
| color_old = d3.scale.linear() | |
| .domain([0, 5000]) | |
| .range(['#f7fcf5', '#00441b']); | |
| function color_with_nulls(prop) { | |
| if(isNaN(prop)) { | |
| return "#eee"; | |
| } | |
| else if(prop == 0) { | |
| return '#eee'; | |
| } | |
| else { | |
| return color_old(prop); | |
| } | |
| } | |
| function color(selection, d) { | |
| if(isNaN(d.properties.ntrees / d.properties.area)) { | |
| return "#eee"; | |
| } | |
| else if(d.properties.ntrees / d.properties.area == 0) { | |
| return '#eee'; | |
| } | |
| else { | |
| if (selection == "Density by Area") { | |
| return tree_by_area_color(d.properties.ntrees / d.properties.area); | |
| } | |
| else { | |
| return tree_by_population_color(d.properties.ntrees / d.properties.pop2010); | |
| } | |
| } | |
| } | |
| function replaceAll(str, find, replace) { | |
| return str.replace(new RegExp(find, 'g'), replace); | |
| } | |
| var mouseX, mouseY; | |
| var hover = null; | |
| var tooltip = d3.select("body").append("div") | |
| .attr("class", "tooltip") | |
| .style("opacity", 1); | |
| document.onmousemove = handleMouseMove; | |
| function handleMouseMove(event) { | |
| mouseX = event.pageX; | |
| mouseY = event.pageY; | |
| tooltip | |
| .style("left", mouseX - 100 + "px") | |
| .style("top", mouseY + 25 + "px") | |
| } | |
| function paint(selection){ | |
| d3.json("merge_clean.json", function(error, data) { | |
| var map = new StaticCanvasMap({ | |
| element: "#mapHolder", | |
| width: 800, | |
| height: 800, | |
| projection: d3.geo.mercator() | |
| .center([-73.925, 40.79]) | |
| .scale(80000), | |
| data: [{ | |
| features: data, | |
| static: { | |
| paintfeature: function(parameters, d) { | |
| parameters.context.fillStyle = color(selection, d); | |
| parameters.context.fill(); | |
| } | |
| }, | |
| dynamic: { | |
| postpaint: function(parameters) { | |
| if (!hover) { | |
| tooltip.style("opacity", 0); | |
| return | |
| } | |
| parameters.context.beginPath(); | |
| parameters.context.lineWidth = 1 / parameters.scale; | |
| parameters.path(hover); | |
| parameters.context.stroke(); | |
| tooltip.style("opacity", 1) | |
| .html('<div style="padding:5px; background:#eee; border:1px solid #333; border-radius:5px;">' + | |
| "<strong>Neighborhood: </strong>" + | |
| "<span>"+ hover.properties.NTAName +"</span><br/>" + | |
| "<strong>Population (2010): </strong>" + | |
| "<span>"+ hover.properties.pop2010 + "</span><br />" + | |
| "<strong>Number of Trees: </strong>" + | |
| "<span>" + hover.properties.ntrees + "</span><br/>" + | |
| "<strong>Area: </strong>" + | |
| "<span>" + hover.properties.area + "</span><br/>" + | |
| "<strong>Top Five Species: </strong>" + | |
| "<span><br/><ol><li>"+ replaceAll(hover.properties.top5, ";", "</li><li>") +"</li></ol></span>" | |
| + "</div>") | |
| } | |
| }, | |
| events: { | |
| hover: function(parameters, d) { | |
| hover = d; | |
| parameters.map.paint() | |
| } | |
| } | |
| } | |
| ] | |
| }); | |
| map.init(); | |
| d3.select(".legend").remove(); | |
| d3.select("body").append("svg") | |
| .attr({ | |
| "class": "legend" | |
| }) | |
| .style({ | |
| "position": "absolute", | |
| "left": 40, | |
| "top": 40 | |
| }); | |
| if(selection == "Density by Population") { | |
| var legend = d3.legend.color() | |
| .shapeHeight(15) | |
| .shapeWidth(40) | |
| .shapePadding(0) | |
| .cells([0.003144, 0.0209, 0.03466, 0.043656, 0.054486, 0.075988, 0.1120, 3.024]) | |
| .labelOffset(5) | |
| .labelFormat(d3.format('.03f')) | |
| .orient("horizontal") | |
| .labelAlign("center") | |
| .scale(tree_by_population_color); | |
| d3.select(".legend") | |
| .call(legend) | |
| .style({ | |
| "position": "absolute", | |
| "left": 80, | |
| "top": 160 | |
| }); | |
| } | |
| if(selection == "Density by Area") { | |
| var legend = d3.legend.color() | |
| .shapeHeight(15) | |
| .shapeWidth(40) | |
| .shapePadding(0) | |
| .cells(8) | |
| .labelOffset(5) | |
| .labelFormat(d3.format('.00f')) | |
| .orient("horizontal") | |
| .labelAlign("center") | |
| .scale(tree_by_area_color); | |
| d3.select(".legend") | |
| .call(legend) | |
| .style({ | |
| "position": "absolute", | |
| "left": 80, | |
| "top": 160 | |
| }); | |
| } | |
| d3.select(".legend_label").remove(); | |
| d3.select("body").append("div") | |
| .attr("class", "legend_label") | |
| .style({ | |
| "position": "absolute", | |
| "left": "260px", | |
| "top": "121px", | |
| "font-family": "Roboto", | |
| "font-weight": "bold", | |
| "font-size": "14px" | |
| }) | |
| .text(function(d) { | |
| if(selection == "Density by Population") { | |
| return "(Trees / Person)"; | |
| } | |
| else { | |
| return "(Trees / Square Mile)" | |
| } | |
| }); | |
| }); | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment