d3.js将图像显示为圆圈
代码：
// some colour variables
var tcBlack = "#130C0E";
// rest of vars
var w = 1255,
h = 925,
maxNodeSize = 50,
x_browser = 10,
y_browser = 15,
root;
var vis;
var force = d3.layout.force();
vis = d3.select("#vis").append("svg").attr("width", w).attr("height", h);
d3.json("marvel.json", function(json) {
root = json;
root.fixed = true;
root.x = w / 2;
root.y = h / 4;
// Build the path
var defs = vis.insert("svg:defs")
.data(["end"]);
defs.enter().append("svg:path")
.attr("d", "M0,-5L10,0L0,5");
update();
});
function update() {
var nodes = flatten(root),
links = d3.layout.tree().links(nodes);
// Restart the force layout.
force.nodes(nodes)
.links(links)
.gravity(0.05)
.charge(-1500)
.linkDistance(100)
.friction(0.5)
.linkStrength(function(l, i) {return 1; })
.size([w, h])
.on("tick", tick)
.start();
var path = vis.selectAll("path.link")
.data(links, function(d) { return d.target.id; });
path.enter().insert("svg:path")
.attr("class", "link")
// .attr("marker-end", "url(#end)")
.style("stroke", "#eee");
// Exit any old paths.
path.exit().remove();
// Update the nodes…
var node = vis.selectAll("g.node")
.data(nodes, function(d) { return d.id; });
// Enter any new nodes.
var nodeEnter = node.enter().append("svg:g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
.on("click", click)
.call(force.drag);
// Append a circle
nodeEnter.append("svg:circle")
.attr("r", function(d) { return Math.sqrt(40000) / 10 || 30; })
.style("fill", "#ffffff");
// Append images
var images = nodeEnter.append("svg:image")
.attr("xlink:href", function(d) { return d.img;})
.attr("x", function(d) { return -25;})
.attr("y", function(d) { return -25;})
.attr("height", 50)
.attr("width", 50);
// make the image grow a little on mouse over and add the text details on click
var setEvents = images
// Append hero text
.on( 'click', function (d) {
// d3.select("h1").html(d.hero);
d3.select("h3").html(d.name);
// d3.select("h3").html ("Take me to " + "<a href='" + d.link + "' >" + d.hero + " web page ⇢"+ "</a>" );
})
.on( 'mouseenter', function() {
// select element in current context
d3.select( this )
.transition()
.attr("x", function(d) { return -60;})
.attr("y", function(d) { return -60;})
.attr("height", 100)
.attr("width", 100);
})
// set back
.on( 'mouseleave', function() {
d3.select( this )
.transition()
.attr("x", function(d) { return -25;})
.attr("y", function(d) { return -25;})
.attr("height", 50)
.attr("width", 50);
});
// Append hero name on roll over next to the node as well
nodeEnter.append("text")
.attr("class", "nodetext")
.attr("x", x_browser)
.attr("y", y_browser +15)
.attr("fill", "red")
.text(function(d) { return d.name; });
// Exit any old nodes.
node.exit().remove();
// Re-select for update.
path = vis.selectAll("path.link");
node = vis.selectAll("g.node");
function tick() {
path.attr("d", function(d) {
var dx = d.target.x - d.source.x,
dy = d.target.y - d.source.y,
dr = Math.sqrt(dx * dx + dy * dy);
return "M" + d.source.x + ","
+ d.source.y
+ "A" + dr + ","
+ dr + " 0 0,1 "
+ d.target.x + ","
+ d.target.y;
});
node.attr("transform", nodeTransform);
}
}
function nodeTransform(d) {
d.x = Math.max(maxNodeSize, Math.min(w - (d.imgwidth/2 || 16), d.x));
d.y = Math.max(maxNodeSize, Math.min(h - (d.imgheight/2 || 16), d.y));
return "translate(" + d.x + "," + d.y + ")";
}
function click(d) {
if (d.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
update();
}
/**
* Returns a list of all nodes under the root.
*/
function flatten(root) {
var nodes = [];
var i = 0;
function recurse(node) {
if (node.children)
node.children.forEach(recurse);
if (!node.id)
node.id = ++i;
nodes.push(node);
}
recurse(root);
return nodes;
}
我正在使用上面的代码使用d3.js显示图片。但是图像没有显示为圆圈。我希望子节点图像正确填充圆圈。
所以请帮助解决这个问题。答案将不胜感激。由于
这是我使用的示例：d3 | Force layout with images
1 个答案:
答案 0 :(得分：1)
var marvelJson={
"name": "marvel",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/marvel.png",
"children": [
{
"name": "Heroes",
"children": [
{
"hero": "Spider-Man",
"name": "Peter Benjamin Parker",
"link": "http://marvel.com/characters/54/spider-man",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_spiderman.png",
"size": 40000
},
{
"hero": "CAPTAIN MARVEL",
"name": "Carol Danvers",
"link": "http://marvel.com/characters/9/captain_marvel",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_captainmarvel.png",
"size": 40000
},
{
"hero": "HULK",
"name": "Robert Bruce Banner",
"link": "http://marvel.com/characters/25/hulk",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_hulk.png",
"size": 40000
},
{
"hero": "Black Widow",
"name": "Natalia 'Natasha' Alianovna Romanova",
"link": "http://marvel.com/characters/6/black_widow",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_blackwidow.png",
"size": 40000
},
{
"hero": "Daredevil",
"name": "Matthew Michael Murdock",
"link": "http://marvel.com/characters/11/daredevil",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_daredevil.png",
"size": 40000
},
{
"hero": "Wolverine",
"name": "James Howlett",
"link": "http://marvel.com/characters/66/wolverine",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_wolverine.png",
"size": 40000
},
{
"hero": "Captain America",
"name": "Steven Rogers",
"link": "http://marvel.com/characters/8/captain_america",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_captainamerica.png",
"size": 40000
},
{
"hero": "Iron Man",
"name": "Anthony Edward 'Tony' Stark",
"link": "http://marvel.com/characters/29/iron_man",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_ironman.png",
"size": 40000
},
{
"hero": "THOR",
"name": "Thor Odinson",
"link": "http://marvel.com/characters/60/thor",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/top_thor.png",
"size": 40000
}
]
},
{
"name": "Villains",
"children": [
{
"hero": "Dr. Doom",
"name": "Victor von Doom",
"link": "http://marvel.com/characters/13/dr_doom",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/drdoom.png",
"size": 40000
},
{
"hero": "Mystique",
"name": "Unrevealed",
"link": "http://marvel.com/characters/1552/mystique",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/mystique.png",
"size": 40000
},
{
"hero": "Red Skull",
"name": "Johann Shmidt",
"link": "http://marvel.com/characters/1901/red_skull",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/redskull.png",
"size": 40000
},
{
"hero": "Ronan",
"name": "Ronan",
"link": "http://marvel.com/characters/49/ronan",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/ronan.png",
"size": 40000
},
{
"hero": "Magneto",
"name": "Max Eisenhardt",
"link": "http://marvel.com/characters/35/magneto",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/magneto.png",
"size": 40000
},
{
"hero": "Thanos",
"name": "Thanos",
"link": "http://marvel.com/characters/58/thanos",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/thanos.png",
"size": 40000
},
{
"hero": "Black Cat",
"name": "Felicia Hardy",
"link": "http://marvel.com/characters/271/black_cat",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/blackcat.png",
"size": 40000
}
]
},
{
"name": "Teams",
"children": [
{
"hero": "Avengers",
"name": "",
"link": "http://marvel.com/characters/68/avengers",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/avengers.png",
"size": 40000
},
{
"hero": "Guardians of the Galaxy",
"name": "",
"link": "http://marvel.com/characters/70/guardians_of_the_galaxy",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/gofgalaxy.png",
"size": 40000
},
{
"hero": "Defenders",
"name": "",
"link": "http://marvel.com/characters/534/defenders",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/defenders.png",
"size": 40000
},
{
"hero": "X-Men",
"name": "",
"link": "http://marvel.com/characters/71/x-men",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/xmen.png",
"size": 40000
},
{
"hero": "Fantastic Four",
"name": "",
"link": "http://marvel.com/characters/69/fantastic_four",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/fantasticfour.png",
"size": 40000
},
{
"hero": "Inhumans",
"name": "",
"link": "http://marvel.com/characters/1040/inhumans",
"img": "https://dl.dropboxusercontent.com/u/19954023/marvel_force_chart_img/inhumans.png",
"size": 40000
}
]
}
]
}
/*
var imgurl = "http://wallpapers.androlib.com/wallicons/wallpaper.big-pqC.cs.png"
var margin = {top: 20, right: 10, bottom: 20, left: 10};
var width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var defs = svg.append("defs").attr("id", "imgdefs")
var catpattern = defs.append("pattern")
.attr("id", "catpattern")
.attr("height", 1)
.attr("width", 1)
.attr("x", "0")
.attr("y", "0")
catpattern.append("image")
.attr("x", -130)
.attr("y", -220)
.attr("height", 640)
.attr("width", 480)
.attr("xlink:href", imgurl)
svg.append("circle")
.attr("r", 100)
.attr("cy", 80)
.attr("cx", 120)
.attr("fill", "url(#catpattern)")
*/
// some colour variables
var tcBlack = "#130C0E";
// rest of vars
var w = 960,
h = 800,
maxNodeSize = 50,
x_browser = 20,
y_browser = 25,
root;
var vis;
var force = d3.layout.force();
vis = d3.select("#vis").append("svg").attr("width", w).attr("height", h);
//d3.json("marvel.json", function(json) {
var json = marvelJson;
root = json;
root.fixed = true;
root.x = w / 2;
root.y = h / 4;
// Build the path
var defs = vis.insert("svg:defs")
.data(["end"]);
defs.enter().append("svg:path")
.attr("d", "M0,-5L10,0L0,5");
try{
update();
}catch(e){
console.log(e);
}
//});
/**
*
*/
function update() {
var nodes = flatten(root),
links = d3.layout.tree().links(nodes);
// Restart the force layout.
force.nodes(nodes)
.links(links)
.gravity(0.05)
.charge(-1500)
.linkDistance(100)
.friction(0.5)
.linkStrength(function(l, i) {return 1; })
.size([w, h])
.on("tick", tick)
.start();
var path = vis.selectAll("path.link")
.data(links, function(d) { return d.target.id; });
path.enter().insert("svg:path")
.attr("class", "link")
// .attr("marker-end", "url(#end)")
.style("stroke", "#eee");
// Exit any old paths.
path.exit().remove();
// Update the nodes…
var node = vis.selectAll("g.node")
.data(nodes, function(d) { return d.id; });
// Enter any new nodes.
var nodeEnter = node.enter().append("svg:g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
.on("click", click)
.call(force.drag);
/*Dinesh Code*/
/*
var defs = svg.append("defs").attr("id", "imgdefs")
var catpattern = defs.append("pattern")
.attr("id", "catpattern")
.attr("height", 1)
.attr("width", 1)
.attr("x", "0")
.attr("y", "0")
catpattern.append("image")
.attr("x", -130)
.attr("y", -220)
.attr("height", 640)
.attr("width", 480)
.attr("xlink:href", imgurl)
svg.append("circle")
.attr("r", 100)
.attr("cy", 80)
.attr("cx", 120)
.attr("fill", "url(#catpattern)")
*/
/******* Dinesh Code End******/
nodeEnter.append("defs").attr("id", "imgdefs")
.append("pattern")
.attr("id", function(d){ if(d.img)return d.img.replace(/[/|.|:]/g, ""); else null; })
.attr("height", 1)
.attr("width", 1)
.attr("x", "0")
.attr("y", "0")
.append("image")
.attr("height", function(d) { return 2* Math.sqrt(d.size) / 10 || 4.5; })
.attr("width", function(d) { return 2* Math.sqrt(d.size) / 10 || 4.5; })
.attr("xlink:href", function(d){if(d.img)return d.img+""; else null; })
// Append a circle
var images = nodeEnter.append("svg:circle")
.attr("r", function(d) { return Math.sqrt(d.size) / 10 || 4.5; })
.attr("fill", function(d){ if(d.img)return "url(#"+d.img.replace(/[/|.|:]/g, "")+")" ; else null; });
// Append images
/* var images = nodeEnter.append("svg:image")
.attr("xlink:href", function(d) { return d.img;})
.attr("x", function(d) { return -25;})
.attr("y", function(d) { return -25;})
.attr("height", 50)
.attr("width", 50);*/
// make the image grow a little on mouse over and add the text details on click
var setEvents = images
// Append hero text
.on( 'click', function (d) {
d3.select("h1").html(d.hero);
d3.select("h2").html(d.name);
d3.select("h3").html ("Take me to " + "<a href='" + d.link + "' >" + d.hero + " web page ⇢"+ "</a>" );
})
.on( 'mouseenter', function(d) {
if(d.img){
//console.log(d3.select(this).parent);
d3.select("pattern#"+d.img.replace(/[/|.|:]/g, "")).select("image").attr("width","100").attr("height","100");
// select element in current context
d3.select( this )
.transition()
.attr("x", function(d) { return -60;})
.attr("y", function(d) { return -60;})
.attr("r", "50")
//.attr("height", 100)
//.attr("width", 100);
}
})
// set back
.on( 'mouseleave', function(d) {
if(d.img){
d3.select("pattern#"+d.img.replace(/[/|.|:]/g, "")).select("image").attr("width","40").attr("height","40");
d3.select( this )
.transition()
.attr("x", function(d) { return -25;})
.attr("y", function(d) { return -25;})
.attr("r", "20")
//.attr("height", 50)
//.attr("width", 50);
}
});
// Append hero name on roll over next to the node as well
nodeEnter.append("text")
.attr("class", "nodetext")
.attr("x", x_browser)
.attr("y", y_browser +15)
.attr("fill", tcBlack)
.text(function(d) { return d.hero; });
// Exit any old nodes.
node.exit().remove();
// Re-select for update.
path = vis.selectAll("path.link");
node = vis.selectAll("g.node");
function tick() {
path.attr("d", function(d) {
var dx = d.target.x - d.source.x,
dy = d.target.y - d.source.y,
dr = Math.sqrt(dx * dx + dy * dy);
return "M" + d.source.x + ","
+ d.source.y
+ "A" + dr + ","
+ dr + " 0 0,1 "
+ d.target.x + ","
+ d.target.y;
});
node.attr("transform", nodeTransform);
}
}
/**
* Gives the coordinates of the border for keeping the nodes inside a frame
* http://bl.ocks.org/mbostock/1129492
*/
function nodeTransform(d) {
d.x = Math.max(maxNodeSize, Math.min(w - (d.imgwidth/2 || 16), d.x));
d.y = Math.max(maxNodeSize, Math.min(h - (d.imgheight/2 || 16), d.y));
return "translate(" + d.x + "," + d.y + ")";
}
/**
* Toggle children on click.
*/
function click(d) {
if (d.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
update();
}
/**
* Returns a list of all nodes under the root.
*/
function flatten(root) {
var nodes = [];
var i = 0;
function recurse(node) {
if (node.children)
node.children.forEach(recurse);
if (!node.id)
node.id = ++i;
nodes.push(node);
}
recurse(root);
return nodes;
}@import url(http://fonts.googleapis.com/css?family=Source+Code+Pro:400,600);
body {font-family: "Source Code Pro", Consolas, monaco, monospace; line-height: 160%; font-size: 16px; margin: 0; }
path.link {
fill: none;
stroke-width: 2px;
}
.node:not(:hover) .nodetext {
display: none;
}
h1 { font-size: 36px; margin: 10px 0; text-transform: uppercase; font-weight: normal;}
h2, h3 { font-size: 18px; margin: 5px 0 ; font-weight: normal;}
header {padding: 20px; position: absolute; top: 0; left: 0;}
a:link { color: #EE3124; text-decoration: none;}
a:visited { color: #EE3124; }
a:hover { color: #A4CD39; text-decoration: underline;}
a:active { color: #EE3124; }<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.0/d3.min.js"></script>
<section id="vis"></section>
工作了几个小时之后，我做了一些事情，请注意我所做的代码更改，如果你无法弄明白，请在下面评论，我将编辑我的答案并提供完整的解释。 ：d
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