Files
r2c/user/themes/r2c/js/script_d3js.js
T
2018-10-01 18:45:54 +02:00

79 lines
2.3 KiB
JavaScript

var $container = $('#links');
var width = $container.outerWidth(true);
var height = $container.outerHeight(true);
var svg = d3.select("#links svg");
Addwidth = svg.attr("width", '100%'),
Addheight = svg.attr("height", '200%');
var color = d3.scaleOrdinal(d3.schemeCategory20);
var simulation = d3.forceSimulation()
.force("link", d3.forceLink().distance(20).id(function(d) { return d.id; }))
.force("charge", d3.forceManyBody())
.force("center", d3.forceCenter(width + (width /2)- 20, height + (height/2)));
d3.json("user/themes/r2c/json/miserables.json", function(error, graph) {
if (error) throw error;
var link = svg.append("g")
.attr("class", "links graph")
// .attr("left", "auto")
.selectAll("line")
.data(graph.links)
.enter().append("line")
.attr("stroke-width", function(d) { return Math.sqrt(d.value); });
var node = svg.append("g")
.attr("class", "nodes graph")
.selectAll("text")
.data(graph.nodes)
.enter().append("text")
.text(function(d) { return d.id; })
// .attr("fill", function(d) { return color(); })
.attr("class",function(d) { return "group" + d.group ;})
.attr("id",function(d) { return d.identifiant; })
.attr("href",function(d) { return d.cible; })
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
simulation
.nodes(graph.nodes)
.on("tick", ticked);
simulation.force("link")
.links(graph.links);
function ticked() {
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("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y; });
}
});
function dragstarted(d) {
if (!d3.event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
}
function dragged(d) {
d.fx = d3.event.x;
d.fy = d3.event.y;
}
function dragended(d) {
if (!d3.event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
}