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Graph Link Filtering using Slider
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| { | |
| "nodes": [ | |
| { | |
| "name": "Person1", | |
| "group": "#000" | |
| }, | |
| { | |
| "name": "Person2", | |
| "group": "#000" | |
| }, | |
| { | |
| "name": "Person3", | |
| "group": "#000" | |
| }, | |
| { | |
| "imgname": "Person1_1", | |
| "group": "#000", | |
| "img": "MC2-Image-Data/Person1/Person1_1.jpg" | |
| }, | |
| { | |
| "imgname": "Person2_1", | |
| "group": "#000", | |
| "img": "Person2_1.jpg" | |
| }, | |
| { | |
| "imgname": "Person3_1", | |
| "group": "#000", | |
| "img": "Person3_1.jpg" | |
| }, | |
| { | |
| "name": "pumpkinNotes", | |
| "group": "#FF0000" | |
| }, | |
| { | |
| "name": "yellowBag", | |
| "group": "#FF0000" | |
| }, | |
| { | |
| "name": "pinkCandle", | |
| "group": "#FF0000" | |
| } | |
| ], | |
| "links": [ | |
| { | |
| "source": 0, | |
| "target": 3, | |
| "value": 1 | |
| }, | |
| { | |
| "source": 1, | |
| "target": 4, | |
| "value": 1 | |
| }, | |
| { | |
| "source": 2, | |
| "target": 5, | |
| "value": 1 | |
| }, | |
| { | |
| "source": 3, | |
| "target": 6, | |
| "value": 0.4 | |
| }, | |
| { | |
| "source": 3, | |
| "target": 7, | |
| "value": 0.5 | |
| }, | |
| { | |
| "source": 3, | |
| "target": 8, | |
| "value": 0.8 | |
| }, | |
| { | |
| "source": 4, | |
| "target": 7, | |
| "value": 0.3 | |
| }, | |
| { | |
| "source": 5, | |
| "target": 8, | |
| "value": 0.23 | |
| }, | |
| { | |
| "source": 5, | |
| "target": 7, | |
| "value": 0.5 | |
| } | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .link { | |
| stroke: #ccc; | |
| } | |
| .node text { | |
| display:none; | |
| pointer-events: none; | |
| font: 10px sans-serif; | |
| } | |
| .node:hover text { | |
| display: inline; | |
| } | |
| </style> | |
| <head> | |
| <h1> | |
| Mini Challenge 2 | |
| </h1> | |
| <h2> | |
| <script src="https://d3js.org/d3.v5.js"></script> | |
| <script src="https://unpkg.com/d3-simple-slider"></script> | |
| <p style = "font-family:georgia,garamond,serif;font-size:12px;" id="value">.2</p> | |
| <div id="slider"></div> | |
| <script> | |
| var slider = d3 | |
| .sliderHorizontal() | |
| .min(0) | |
| .max(1) | |
| .step(.025) | |
| .width(300) | |
| .value(.2) | |
| .displayValue(false) | |
| .on('onchange', (val) => { | |
| d3.select('#value').text(val); | |
| }); | |
| d3.select('#slider') | |
| .append('svg') | |
| .attr('width', 500) | |
| .attr('height', 100) | |
| .append('g') | |
| .attr('transform', 'translate(30,30)') | |
| .call(slider); | |
| </script> | |
| </h2> | |
| </head> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500 | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var force = d3.layout.force() | |
| .gravity(0.05) | |
| .distance(75) | |
| .charge(-200) | |
| .friction(0.85) | |
| .size([width, height]); | |
| d3.json("graph.json", function(error, json) { | |
| if (error) throw error; | |
| var nodeArr = []; | |
| json.nodes.forEach(function (n){ | |
| nodeArr.push(n); | |
| }) | |
| /*var linkArr = []; | |
| json.links.forEach(function (n) { | |
| linkArr.push(n); | |
| })*/ | |
| filter(); | |
| force | |
| .nodes(nodeArr) | |
| .links(linkArr) | |
| .start(); | |
| console.log(document.getElementById("value").innerHTML) | |
| console.log(json.nodes) | |
| console.log(nodeArr) | |
| console.log(json.links) | |
| console.log(linkArr) | |
| var link = svg.selectAll(".link") | |
| .data(linkArr) | |
| .enter().append("line") | |
| .attr("stroke-width", function(d) { | |
| if (d.value != 1){ | |
| return d.value*4 | |
| }}) | |
| .attr("class", "link"); | |
| var node = svg.selectAll(".node") | |
| .data(nodeArr) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .on("mouseover", mouseover) | |
| .on("mouseout", mouseout) | |
| .call(force.drag); | |
| node.append("svg:circle") | |
| .attr("r", function(d) { return Math.sqrt(d.size) / 10 || 4; }) | |
| .style("fill", function(d) {return d.group}); | |
| node.append("image") | |
| .attr("xlink:href", function(d) { return d.img;}) | |
| .attr("x", function(d) { return -15;}) | |
| .attr("y", function(d) { return -15;}) | |
| .attr("height", 30) | |
| .attr("width", 30); | |
| node.append("text") | |
| .attr("dx", 3) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.name }); | |
| force.on("tick", function() { | |
| link.attr("x1", function(d) { return d.source.x; }) | |
| .attr("y1", function(d) { return d.source.y; }) | |
| .attr("x2", function(d) { return d.target.x; }) | |
| .attr("y2", function(d) { return d.target.y; }); | |
| node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); | |
| }); | |
| function mouseover() { | |
| d3.select(this).select("image").transition() | |
| .attr("x", function(d) { return -30;}) | |
| .attr("y", function(d) { return -30;}) | |
| .attr("height", 60) | |
| .attr("width", 60); | |
| //d3.select(this).select("text").text(function(d) { return document.getElementById("value").innerHTML }); | |
| } | |
| function mouseout() { | |
| d3.select(this).select("image").transition() | |
| .attr("x", function(d) { return -15;}) | |
| .attr("y", function(d) { return -15;}) | |
| .attr("height", 30) | |
| .attr("width", 30); | |
| filter(); | |
| } | |
| function filter() { | |
| linkArr = [] | |
| json.links.forEach(function (n) { | |
| if (n.value >= document.getElementById("value").innerHTML) { | |
| linkArr.push(n); | |
| } | |
| }) | |
| console.log(document.getElementById("value").innerHTML) | |
| console.log(linkArr) | |
| //console.log(force.nodes(nodeArr)) | |
| } | |
| }); | |
| </script> |
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