树映射d3 JSON数组子对象的子对象
我从HTTP get请求返回了这个JSON对象树映射d3 JSON数组子对象的子对象,json,d3.js,children,treemaps,Json,D3.js,Children,Treemaps,我从HTTP get请求返回了这个JSON对象 { "statuses": [ { "metadata": { "result_type": "popular", "iso_language_code": "en" }, "created_at": "Sun Feb 16 19:38:00 +0000 2014", "id": 435135996314000000, "id_str": "43
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var color = d3.scale.category10();
console.log('fetching data');
var canvas = d3.select("body").append("svg")
.attr("width",1000)
.attr("height",800)
d3.json("searchresults.json", function(error, dataset) {
organizedata(dataset);
console.log('done fetching data');
console.log('Printing data');
function organizedata (dataset){
var tweets = (dataset.statuses);
var tweetinfo = (dataset.search_metadata);
console.log(dataset);
console.log(tweets); //creates an JSON array with Tweet Objects
console.log(tweetinfo); //creates a seperate JSON for the search details
drawtreemap (dataset);
//console.log(tweets);
function drawtreemap (dataset){
var margin = {top: 0, right: 10, bottom: 20, left: 10}, width = 1000, height = 800;
var treemap = d3.layout.treemap()
//.children(function(d) { return d.text})
//.children(function (d) {return d.array})
.children(function (d) {return d.statuses})
.size([width,height])
.value(function (d) {return d.id})
.nodes(dataset)
var cells = canvas.selectAll(".cell")
.data(treemap)
.enter()
.append("g")
.attr("clas", "cell")
cells.append("rect")
.attr("x", function (d) {return d.x; })
.attr("y", function (d) {return d.y; })
.attr("width", function (d) {return d.dx; })
.attr("height", function (d) {return d.dy;})
.attr("fill", function (d) {return d.children ? null : color(d.id/10);})
cells.append("text")
.attr("x", function (d) {return d.x + d.dx/2 })
.attr("y", function (d) {return d.y + d.dy/2 })
//.attr("x", function (d) {return d.x + d.dx / 2 })
//.attr("y", function (d) {return d.y + d.dy / 2 })
.text( function (d) {return d.text; } )
.style("text-anchor", "middle")
console.log(treemap);
}}
})
</script>
</body>
</html>