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我正在研究d3.js
强制布局。当用户单击 Node 时,会触发一个函数,在该函数中,可以展开或缩小 Node 。我想将其调整为无需任何点击即可工作。是否可以在不单击的情况下重新绘制我的图表?我可以成功删除并重新绘制整个图表。但这不是我想要的。花费太多时间而且效率不高。我想做一些非常软的事情,就像用户单击 Node 时所做的那样。你能帮忙吗?这是图表
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>Force-Directed Graph</title>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<style type="text/css">
circle.node {
cursor: pointer;
stroke: #3182bd;
stroke-width: 1.5px;
}
line.link {
fill: none;
stroke: #9ecae1;
stroke-width: 2.5px;
}
</style>
</head>
<body>
<div id="chart"></div>
<script type="text/javascript">
var w = 1060,
h = 800,
node,
link,
root,
t;
var COLLAPSE_LEVEL = 1;
var force = d3.layout.force()
.on("tick", tick)
.size([w, h]);
var vis = d3.select("#chart").append("svg:svg")
.attr("width", w)
.attr("height", h);
root = {
"name": "flare",
"children": [
{
"name": "analytics",
"children": [
{
"name": "cluster",
"children": [
{"name": "AgglomerativeCluster", "size": 3938},
{"name": "CommunityStructure", "size": 3812},
{"name": "HierarchicalCluster", "size": 6714},
{"name": "MergeEdge", "size": 743}
]
},
{
"name": "graph",
"children": [
{"name": "BetweennessCentrality", "size": 3534},
{"name": "LinkDistance", "size": 5731},
{"name": "MaxFlowMinCut", "size": 7840},
{"name": "ShortestPaths", "size": 5914},
{"name": "SpanningTree", "size": 3416}
]
},
{
"name": "optimization",
"children": [
{"name": "AspectRatioBanker", "size": 7074}
]
}
]
},
{
"name": "animate",
"children": [
{"name": "Easing", "size": 17010},
{"name": "FunctionSequence", "size": 5842},
{
"name": "interpolate",
"children": [
{"name": "ArrayInterpolator", "size": 1983},
{"name": "ColorInterpolator", "size": 2047},
{"name": "DateInterpolator", "size": 1375},
{"name": "Interpolator", "size": 8746},
{"name": "MatrixInterpolator", "size": 2202},
{"name": "NumberInterpolator", "size": 1382},
{"name": "ObjectInterpolator", "size": 1629},
{"name": "PointInterpolator", "size": 1675},
{"name": "RectangleInterpolator", "size": 2042}
]
},
{"name": "ISchedulable", "size": 1041},
{"name": "Parallel", "size": 5176},
{"name": "Pause", "size": 449},
{"name": "Scheduler", "size": 5593},
{"name": "Sequence", "size": 5534},
{"name": "Transition", "size": 9201},
{"name": "Transitioner", "size": 19975},
{"name": "TransitionEvent", "size": 1116},
{"name": "Tween", "size": 6006}
]
},
{
"name": "data",
"children": [
{
"name": "converters",
"children": [
{"name": "Converters", "size": 721},
{"name": "DelimitedTextConverter", "size": 4294},
{"name": "GraphMLConverter", "size": 9800},
{"name": "IDataConverter", "size": 1314},
{"name": "JSONConverter", "size": 2220}
]
},
{"name": "DataField", "size": 1759},
{"name": "DataSchema", "size": 2165},
{"name": "DataSet", "size": 586},
{"name": "DataSource", "size": 3331},
{"name": "DataTable", "size": 772},
{"name": "DataUtil", "size": 3322}
]
},
{
"name": "display",
"children": [
{"name": "DirtySprite", "size": 8833},
{"name": "LineSprite", "size": 1732},
{"name": "RectSprite", "size": 3623},
{"name": "TextSprite", "size": 10066}
]
},
{
"name": "flex",
"children": [
{"name": "FlareVis", "size": 4116}
]
},
{
"name": "physics",
"children": [
{"name": "DragForce", "size": 1082},
{"name": "GravityForce", "size": 1336},
{"name": "IForce", "size": 319},
{"name": "NBodyForce", "size": 10498},
{"name": "Particle", "size": 2822},
{"name": "Simulation", "size": 9983},
{"name": "Spring", "size": 2213},
{"name": "SpringForce", "size": 1681}
]
},
{
"name": "query",
"children": [
{"name": "AggregateExpression", "size": 1616},
{"name": "And", "size": 1027},
{"name": "Arithmetic", "size": 3891},
{"name": "Average", "size": 891},
{"name": "BinaryExpression", "size": 2893},
{"name": "Comparison", "size": 5103},
{"name": "CompositeExpression", "size": 3677},
{"name": "Count", "size": 781},
{"name": "DateUtil", "size": 4141},
{"name": "Distinct", "size": 933},
{"name": "Expression", "size": 5130},
{"name": "ExpressionIterator", "size": 3617},
{"name": "Fn", "size": 3240},
{"name": "If", "size": 2732},
{"name": "IsA", "size": 2039},
{"name": "Literal", "size": 1214},
{"name": "Match", "size": 3748},
{"name": "Maximum", "size": 843},
{
"name": "methods",
"children": [
{"name": "add", "size": 593},
{"name": "and", "size": 330},
{"name": "average", "size": 287},
{"name": "count", "size": 277},
{"name": "distinct", "size": 292},
{"name": "div", "size": 595},
{"name": "eq", "size": 594},
{"name": "fn", "size": 460},
{"name": "gt", "size": 603},
{"name": "gte", "size": 625},
{"name": "iff", "size": 748},
{"name": "isa", "size": 461},
{"name": "lt", "size": 597},
{"name": "lte", "size": 619},
{"name": "max", "size": 283},
{"name": "min", "size": 283},
{"name": "mod", "size": 591},
{"name": "mul", "size": 603},
{"name": "neq", "size": 599},
{"name": "not", "size": 386},
{"name": "or", "size": 323},
{"name": "orderby", "size": 307},
{"name": "range", "size": 772},
{"name": "select", "size": 296},
{"name": "stddev", "size": 363},
{"name": "sub", "size": 600},
{"name": "sum", "size": 280},
{"name": "update", "size": 307},
{"name": "variance", "size": 335},
{"name": "where", "size": 299},
{"name": "xor", "size": 354},
{"name": "_", "size": 264}
]
},
{"name": "Minimum", "size": 843},
{"name": "Not", "size": 1554},
{"name": "Or", "size": 970},
{"name": "Query", "size": 13896},
{"name": "Range", "size": 1594},
{"name": "StringUtil", "size": 4130},
{"name": "Sum", "size": 791},
{"name": "Variable", "size": 1124},
{"name": "Variance", "size": 1876},
{"name": "Xor", "size": 1101}
]
},
{
"name": "scale",
"children": [
{"name": "IScaleMap", "size": 2105},
{"name": "LinearScale", "size": 1316},
{"name": "LogScale", "size": 3151},
{"name": "OrdinalScale", "size": 3770},
{"name": "QuantileScale", "size": 2435},
{"name": "QuantitativeScale", "size": 4839},
{"name": "RootScale", "size": 1756},
{"name": "Scale", "size": 4268},
{"name": "ScaleType", "size": 1821},
{"name": "TimeScale", "size": 5833}
]
},
{
"name": "util",
"children": [
{"name": "Arrays", "size": 8258},
{"name": "Colors", "size": 10001},
{"name": "Dates", "size": 8217},
{"name": "Displays", "size": 12555},
{"name": "Filter", "size": 2324},
{"name": "Geometry", "size": 10993},
{
"name": "heap",
"children": [
{"name": "FibonacciHeap", "size": 9354},
{"name": "HeapNode", "size": 1233}
]
},
{"name": "IEvaluable", "size": 335},
{"name": "IPredicate", "size": 383},
{"name": "IValueProxy", "size": 874},
{
"name": "math",
"children": [
{"name": "DenseMatrix", "size": 3165},
{"name": "IMatrix", "size": 2815},
{"name": "SparseMatrix", "size": 3366}
]
},
{"name": "Maths", "size": 17705},
{"name": "Orientation", "size": 1486},
{
"name": "palette",
"children": [
{"name": "ColorPalette", "size": 6367},
{"name": "Palette", "size": 1229},
{"name": "ShapePalette", "size": 2059},
{"name": "SizePalette", "size": 2291}
]
},
{"name": "Property", "size": 5559},
{"name": "Shapes", "size": 19118},
{"name": "Sort", "size": 6887},
{"name": "Stats", "size": 6557},
{"name": "Strings", "size": 22026}
]
},
{
"name": "vis",
"children": [
{
"name": "axis",
"children": [
{"name": "Axes", "size": 1302},
{"name": "Axis", "size": 24593},
{"name": "AxisGridLine", "size": 652},
{"name": "AxisLabel", "size": 636},
{"name": "CartesianAxes", "size": 6703}
]
},
{
"name": "controls",
"children": [
{"name": "AnchorControl", "size": 2138},
{"name": "ClickControl", "size": 3824},
{"name": "Control", "size": 1353},
{"name": "ControlList", "size": 4665},
{"name": "DragControl", "size": 2649},
{"name": "ExpandControl", "size": 2832},
{"name": "HoverControl", "size": 4896},
{"name": "IControl", "size": 763},
{"name": "PanZoomControl", "size": 5222},
{"name": "SelectionControl", "size": 7862},
{"name": "TooltipControl", "size": 8435}
]
},
{
"name": "data",
"children": [
{"name": "Data", "size": 20544},
{"name": "DataList", "size": 19788},
{"name": "DataSprite", "size": 10349},
{"name": "EdgeSprite", "size": 3301},
{"name": "NodeSprite", "size": 19382},
{
"name": "render",
"children": [
{"name": "ArrowType", "size": 698},
{"name": "EdgeRenderer", "size": 5569},
{"name": "IRenderer", "size": 353},
{"name": "ShapeRenderer", "size": 2247}
]
},
{"name": "ScaleBinding", "size": 11275},
{"name": "Tree", "size": 7147},
{"name": "TreeBuilder", "size": 9930}
]
},
{
"name": "events",
"children": [
{"name": "DataEvent", "size": 2313},
{"name": "SelectionEvent", "size": 1880},
{"name": "TooltipEvent", "size": 1701},
{"name": "VisualizationEvent", "size": 1117}
]
},
{
"name": "legend",
"children": [
{"name": "Legend", "size": 20859},
{"name": "LegendItem", "size": 4614},
{"name": "LegendRange", "size": 10530}
]
},
{
"name": "operator",
"children": [
{
"name": "distortion",
"children": [
{"name": "BifocalDistortion", "size": 4461},
{"name": "Distortion", "size": 6314},
{"name": "FisheyeDistortion", "size": 3444}
]
},
{
"name": "encoder",
"children": [
{"name": "ColorEncoder", "size": 3179},
{"name": "Encoder", "size": 4060},
{"name": "PropertyEncoder", "size": 4138},
{"name": "ShapeEncoder", "size": 1690},
{"name": "SizeEncoder", "size": 1830}
]
},
{
"name": "filter",
"children": [
{"name": "FisheyeTreeFilter", "size": 5219},
{"name": "GraphDistanceFilter", "size": 3165},
{"name": "VisibilityFilter", "size": 3509}
]
},
{"name": "IOperator", "size": 1286},
{
"name": "label",
"children": [
{"name": "Labeler", "size": 9956},
{"name": "RadialLabeler", "size": 3899},
{"name": "StackedAreaLabeler", "size": 3202}
]
},
{
"name": "layout",
"children": [
{"name": "AxisLayout", "size": 6725},
{"name": "BundledEdgeRouter", "size": 3727},
{"name": "CircleLayout", "size": 9317},
{"name": "CirclePackingLayout", "size": 12003},
{"name": "DendrogramLayout", "size": 4853},
{"name": "ForceDirectedLayout", "size": 8411},
{"name": "IcicleTreeLayout", "size": 4864},
{"name": "IndentedTreeLayout", "size": 3174},
{"name": "Layout", "size": 7881},
{"name": "NodeLinkTreeLayout", "size": 12870},
{"name": "PieLayout", "size": 2728},
{"name": "RadialTreeLayout", "size": 12348},
{"name": "RandomLayout", "size": 870},
{"name": "StackedAreaLayout", "size": 9121},
{"name": "TreeMapLayout", "size": 9191}
]
},
{"name": "Operator", "size": 2490},
{"name": "OperatorList", "size": 5248},
{"name": "OperatorSequence", "size": 4190},
{"name": "OperatorSwitch", "size": 2581},
{"name": "SortOperator", "size": 2023}
]
},
{"name": "Visualization", "size": 16540}
]
}
]
};
function parseLevel(node, level) {
node.level = level;
if (typeof node.children !== 'undefined') {
node.children.forEach(function(children) {
parseLevel(children, level + 1);
});
}
}
parseLevel(root, 0);
// console.log(JSON.stringify(root, null, 2));
update();
function toggleAll(d) {
if (d.children) {
d.children.forEach(toggleAll);
if (d.level < COLLAPSE_LEVEL){
return;
}
toggle(d);
}
}
// Initialize the display to show a few nodes.
root.children.forEach(toggleAll);
update(root);
// });
function update() {
var nodes = flatten(root),
links = d3.layout.tree().links(nodes);
// Restart the force layout.
force
.nodes(nodes)
.links(links)
.charge(-1000)
.linkDistance(100)
.friction(0.5)
.start();
// Update the links…
link = vis.selectAll("line.link")
.data(links, function(d) { return d.target.id; });
// Enter any new links.
link.enter().insert("svg:line", ".node")
.attr("class", "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; });
// Exit any old links.
link.exit().remove();
// Update the nodes…
node = vis.selectAll("circle.node")
.data(nodes, function(d) { return d.id; })
.style("fill", color);
// Enter any new nodes.
node.enter().append("svg:circle")
.attr("class", "node")
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; })
.attr("r", "15")
.style("fill", color)
.on("click", mouseover)
.call(force.drag);
// Exit any old nodes.
node.exit().remove();
t = vis.selectAll(".t-node")
.data(nodes, function(d) { return d.id; })
.style("fill", color);
// Enter any new nodes.
t.enter().append("svg:text")
.attr("class", "t-node")
.attr("dx", "25px")
.attr("y", 0)
.text(function(d){return d.name + " " + (d.level ? d.level:'')});
// .call(force.drag);
// Exit any old nodes.
t.exit().remove();
}
function tick() {
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("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
t.attr("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y; });
}
// Color leaf nodes orange, and packages white or blue.
function color(d) {
return d._children ? "#3182bd" : d.children ? "#c6dbef" : "#fd8d3c";
}
// Toggle children on click.
function mouseover(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 = [], 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;
}
/*
$rootScope.$on('msg', function(event, msg){
console.log("New event accurs");
root.name = 'root test';
update(root);
update();
}); */
function toggle(d) {
if (d.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
}
</script>
</body>
</html>
更新可能我的问题不够清楚。基本上使用 Angularjs 将消息从一个 Controller 发送到另一个 Controller ,我想要的是从另一个 Controller 发送带有我想要扩大的特定 Node 名称的消息。收到这条消息后,我希望这个 Node 变大两倍,并且他周围的链接也变大两倍。
最佳答案
我相信您是在问当您“将鼠标悬停在” Node 上时如何触发您的mouseover
功能。要实现此功能,您所需要做的就是将 .on(event,function)
中的 event
更改为“mouseover”。
当用户的光标悬停在 Node 上时,每个 Node 现在都会触发您的mouseover
函数。
您的 Node 更新部分应如下所示:
// Enter any new nodes.
node.enter().append("svg:circle")
.attr("class", "node")
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; })
.attr("r", "10")
.style("fill", color)
.on("mouseover", mouseover)
.call(force.drag);
在此处查看实际效果:Fiddle1
在您的评论中,您说您希望更改特定 Node 的大小。我假设您也希望能够通过事件触发器来做到这一点。
在 .on
的 d3-selection 文档中,它解释了当 .on
应用于 Node 时,触发的函数会通过 this
关键字。 (我想添加文档链接,但由于代表的原因,我只能添加两个链接,我确信您可以找到它,或者其他人可以使用该链接更新此链接。)
作为示例,我创建了两个新函数 sizeUp
和 sizeDown
,通过 "mouseover"
和 "mouseout"附加它们
事件触发到每个 Node ,就像上面使用 d3 的 .on()
函数一样。这些函数中的每一个都会使用 this
关键字将当前 Node 的大小增加或减少 10px,以更改正确的 DOM 元素的大小。
这里是 Node 更新部分,其中包含 .on()
分配给 "click"
、"mouseover"
和 "鼠标移开“
”。
// Enter any new nodes.
node.enter().append("svg:circle")
.attr("class", "node")
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; })
.attr("r", "10")
.style("fill", color)
.on("mouseover", sizeUp)
.on("mouseout", sizeDown)
.on("click", mouseover)
.call(force.drag);
这是两个新函数。在每个中,第一行检索 Node 的当前大小并确保它是数字。下一行通过添加或减去 10 个像素来更新 Node 的“r”属性。请注意使用 this
作为 d3.select()
函数检索的 DOM 元素。这样我们就可以使用 .attr()
访问和更新 Node 的 DOM 属性。
function sizeUp(d){
var currentSize = +(d3.select(this).attr("r"));
d3.select(this).attr("r", currentSize + 10);
}
function sizeDown(d){
var currentSize = +(d3.select(this).attr("r"));
d3.select(this).attr("r", currentSize - 10);
}
请在此处查看此示例:Fiddle2
希望这个答案能满足您的需求!
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我想知道我应该怎么做才能强制从 dev 分支 merge 到我的 master 分支?使用“git merge dev”会导致很多冲突。但是,我不想单独处理它们。相反,我只是想使用我的 dev 分支中
当安装 Hl7.Fhir.DSTU2 和 Hl7.Fhir.R4 这两个 Nuget 包时,我们得到如下信息: DSTU2 包似乎在使用 Hl7.Fhir.Support.Poco 版本 3.4.0
我正在尝试让一个功能组件在 testFn 执行时强制重新渲染。我想使用状态来做到这一点(如果有更好的方法请说出来),这似乎成功地强制重新渲染但只有两次,然后什么都没有。 我构建了一个简单的演示来模拟这
默认情况下,g++ 似乎会省略未使用的类内定义方法的代码。示例 from my previous question : struct Foo { void bar() {} void baz(
我正在尝试使用 here 中介绍的技术使我的网站背景以比内容慢的速度滚动。我不希望背景固定,只希望更慢。 这是 HTML 的样子: .parallax { perspective: 1px;
我能找到的最相似的问题是 'how to create a row of scrollable text boxes or widgets in flutter inside a ListView?'
我有以下 eslint 配置: "object-curly-newline": ["error", { "ImportDeclaration": "never",
我正在使用 TinyMCE 插件并将 valid_elements 选项设置为: "a[href|target:_blank],strong/b,em/i,br,p,ul,ol,li" 即使没有列出数
您好,我想使用以下命令放置多行描述 p4 --field Description="MY CLN Header \\n my CLN complete description in two -thre
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