当节点的数量等于 var nodeNumber 时，我需要更改节点（“圆圈”）的颜色。但是我无法访问节点并选择更改样式后。
我需要选择带有 var (nodeNumb) 中数字的节点并用另一种颜色突出显示。
<!DOCTYPE html>
<html>
<head>
<meta name="keywords" content="Cluster comparison, partition agreement, microbial typing, typing methods" />
<meta name="author" content="Rui Oliveira" />
<!-- <link rel="stylesheet" type="text/css" href="default.css" media="screen" /> -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<title></title>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.geom.js?1.29.1"></script>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js?1.29.1"></script>
<style type="text/css">
h2{
background: #EBF0F3;
font: normal 1.2em Tahoma, sans-serif;
padding: 10px;
margin:0 0 10px 0;
color: #114054;
}
p {
text-align:center;
padding-top:40px;
font: normal 0.9em Tahoma, sans-serif;
}
path.link {
fill: none;
stroke: #666;
stroke-width: 1.5px;
}
marker {
fill: #302e2f;
}
marker#strong {
fill: black;
}
path.link.strong {
stroke: black;
stroke-width: 2px;
}
path.link.weak {
stroke-dasharray: 0,2 1;
}
circle {
fill: #ccc;
stroke: #333;
stroke-width: 1.5px;
}
text {
font: 14px sans-serif;
pointer-events: none;
}
text.shadow {
stroke: #fff;
style="text-align:center; display"
stroke-width: 3px;
stroke-opacity: .8;
}
line {
stroke-opacity: 10;
}
path.link:hover.active {
fill: none;
stroke: red;
stroke-width: 5px;
}
</style>
</head>
<body style="text-align:center;display">
<!--[if IE]>
<p>Warning:</p>
<p>Internet Explorer does not allow you to visualize this diagram. Please use a browser that supports svg. We recommend you to use <a href="http://www.mozilla.org/en-US/firefox/new/">Firefox</a> or <a href="http://www.google.com/chrome/">Google Chrome</a> as alternative.</p>
<![endif]-->
<script type="text/javascript">
// http://blog.thomsonreuters.com/index.php/mobile-patent-mediums-graphic-of-the-day/
function main() {
var pathOfFileToRead = "simulator.json";
var jsonObj = FileHelper.readStringFromFileAtPath
(
pathOfFileToRead
);
return jsonObj;
}
function FileHelper()
{}
{
FileHelper.readStringFromFileAtPath = function(pathOfFileToReadFrom)
{
var request = new XMLHttpRequest();
request.open("GET", pathOfFileToReadFrom, false);
request.send(null);
var returnValue = request.responseText;
var fileJSON = JSON.parse(returnValue);
return fileJSON;
}
}
var jsonFile = main();
JG = jsonFile.generations;
for (i = 0, endI = JG.length; i < endI ; i++) {
JGIN = JG[i].nodes;
for (j = 0, endJ = JGIN.length ; j < endJ ; j++) {
JGINJ = JGIN[j];
JGINJAS=JGINJ.after.stid;
JGINJBS=JGINJ.before.stid;
JGINJNODE=JGINJ.node;
for (w = 0, endW = JGINJAS.length; w < endW ; w++) {
if(((JGINJBS[w] === "98419") || (JGINJAS[w] === "98419"))){
generationNumber= JG[i].number;;
nodeNumb = JGINJ.node;
}
}
}
}
var links = [<?php
$b='karateP500T001.npf';
if(file_exists($b))
$a = fopen($b, "r");
else{
echo "]
alert('Invalid file!');</script></body></html>";
exit(0);
}
$nodes=$links=array();
while (!feof($a) ) {
$l = urlencode(fgets($a));
$l=explode('%09',$l);
if(count($l)==2)
$nodes[]=$l;
else if(count($l)==3){
$links[]=$l;
echo '{source: "',(int) $l['0'],'", target: "',(int) $l['1'],'", type: "medium", value: "',(int) $l['2'],'"},';
}
}
fclose($a);
?>
];
var nodes = {};
var stF = links.length;
function StFinder() {
for(i=0; i<stF; i++){
sourceNumber = links[i].source;
targetNumber = links[i].target;
if((nodeNumb === sourceNumber) || (nodeNumb === targetNumber)) {
//INSERIR AQUI A MUDANÇA DE COR
document.write("HEELLO");
}
}
}
StFinder();
//Compute the distinct nodes from the links.
links.forEach(function(link) {
link.source = nodes[link.source] || (nodes[link.source] = {name: link.source});
link.target = nodes[link.target] || (nodes[link.target] = {name: link.target});
});
w = window.innerWidth, //1100
h = window.innerHeight; //1690
markerWidth = 6,
markerHeight = 6,
cRadius = 20, // play with the cRadius value
refX = cRadius + (markerWidth * 2),
refY = -Math.sqrt(cRadius)+5,
drSub = cRadius + refY;
var force = d3.layout.force()
.nodes(d3.values(nodes))
.links(links)
//defines where to center the graph
.size([w, h])
.linkDistance(100)
.charge(-1000)
.on("tick", tick)
.start();
var svg = d3.select("body").append("svg:svg")
// defines the canvas size
.attr("width", w)
.attr("height", h);
//Per-type markers, as they don't inherit styles. 2
svg.append("svg:defs").selectAll("marker")
.data(["medium", "strong", "weak"])
.enter().append("svg:marker")
.attr("id", String)
.attr("viewBox", "0 -5 10 10")
.attr("refX", refX)
.attr("refY", refY)
.attr("markerWidth", markerWidth)
.attr("markerHeight", markerHeight)
.attr("orient", "auto")
.append("svg:path")
.attr("d", "M0,-5L10,0L0,5");
// add the links and the arrows
var path = svg.append("svg:g").selectAll("path")
.data(force.links())
.enter().append("svg:path")
.attr("class", function(d) { return "link " + d.type; })
.attr("marker-end", function(d) { return "url(#" + d.type + ")"; });
var circle = svg.append("svg:g").selectAll("circle")
.data(force.nodes())
.enter().append("svg:circle")
.attr("class", "node")
.attr("r", 20)
.call(force.drag);
var text = svg.append("svg:g").selectAll("g")
.data(force.nodes())
.enter().append("svg:g");
//A copy of the text with a thick white stroke for legibility.
text.append("svg:text")
.attr("x", -5)
.attr("y", ".31em")
.attr("class", "shadow")
.text(function(d) { return d.name; });
text.append("svg:text")
.attr("x", -5)
.attr("y", ".31em")
.text(function(d) { return d.name; });
//Use elliptical arc path segments to doubly-encode directionality.
function tick() {
path.attr("d", function(d) {
var dx = d.target.x - d.source.x ,
dy = d.target.y - d.source.y,
dr=0;
//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;
});
circle.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
});
text.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
});
}
</script>
<textarea rows="2" cols="50" style="position:fixed; top:0px;right:0px;" autofocus="true" >
<<?php echo $b; ?>
</textarea>
</body>
</html>