需要在 d3 中连接两个不同 circle packed layout 的节点
Need to connect two nodes of different circle packed layout in d3
我想将一个大圆圈内的节点连接到另一个大圆圈内的节点,有时甚至连接到另一个更大的圆圈本身。有没有办法达到同样的目的?我能够连接同一个圆圈内的节点。
下面是我试过的示例代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style type="text/css">
.node {}
.link { stroke: #999; stroke-opacity: .6; stroke-width: 1px; }
</style>
<script src="https://d3js.org/d3.v4.min.js" type="text/javascript"></script>
<script src="https://d3js.org/d3-selection-multi.v1.js"></script>
</head>
<svg width="960" height="600"></svg>
<script type="text/javascript">
var data = {
"nodes": [
{
"id": "Myriel",
"group": 1,
"value": 3, // basically in this ratio the circle radius will be
"childNode" : [{
"id": "child1",
"value": 2
},{
"id": "child2",
"value": 3
},{
"id": "child3",
"value": 1
}],
"links": [{
"source": "child1",
"target": "child2",
"isByDirectional": true
},{
"source": "child1",
"target": "child3",
"isByDirectional": false
}
]
},
{
"id": "Napoleon",
"group": 1,
"value": 2, // basically in this ratio the circle radius will be
"childNode" : [{
"id": "child4",
"value": 2
},{
"id": "child5",
"value": 3
}],
"links": null
},
{
"id": "Mlle.Baptistine",
"group": 1,
"value": 1, // basically in this ratio the circle radius will be
},
{
"id": "Mme.Magloire",
"group": 1,
"value" : 1,
},
{
"id": "CountessdeLo",
"group": 1,
"value" : 2,
},
{
"id": "Geborand",
"group": 1,
"value" : 3,
}
],
"links": [
{"source": "Napoleon", "target": "Myriel", "value": 1},
{"source": "Mlle.Baptistine", "target": "Napoleon", "value": 8},
{"source": "CountessdeLo", "target": "Myriel", "value": 1},
{"source": "Geborand", "target": "CountessdeLo", "value": 1}
]
}
var nodeRadiusScale = d3.scaleSqrt().domain([0, 50]).range([10, 50]);
var color = function() {
var scale = d3.scaleOrdinal(d3.schemeCategory10);
return d => scale(d.group);
}
var drag = simulation => {
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;
}
return d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended);
}
function drawChildNodes(nodeElement, parentIds, options) {
if(!parentIds.childNodes) {
return
}
const nodeColor = options.nodeColor
const borderColor = options.borderColor
const nodeTextColor = options.nodeTextColor
const width = options.width
const height = options.height
const data = getData(parentIds, width * 2, height * 2);
const nodeData = nodeElement.selectAll("g").data(data)
var childNodeRadius = 5;
const nodesEnter = nodeData
.enter()
.append("g")
.attr("id", (d, i) => {
return "node-group-" + d.data.id
})
.attr('class', 'child-node')
.attr("transform", (d) => `translate(${d.x - width},${d.y - height})`)
.attr('cx', (d) => d.x)
.attr('cy', (d) => d.y)
nodesEnter
.filter((d) => d.height === 0)
.append("circle")
.attr("class", "node pie")
.attr("r", (d) => childNodeRadius)
.attr("stroke", borderColor)
.attr("stroke-width", 1)
.attr("fill", "white")
/*nodesEnter
.filter((d) => d.height === 0)
.append("text")
.style("fill", "black")
.attr("font-size", "0.8em")
.attr("text-anchor", "middle")
.attr("alignment-baseline", "middle")
.attr("dy", -7)
.text(d=>d.data.id)*/
if(!parentIds.childLink) {
return;
}
const linkData = nodeElement.selectAll("line").data(parentIds.childLink);
const linksEnter = linkData
.enter()
.append("line")
.attr("class", "node line")
.attr('id', (d) => d.source + '->' + d.target)
.attr("x1", (d,i) => data.find(el => el.data.id === d.source).x - width)
.attr("y1", (d,i) => data.find(el=>el.data.id === d.source).y - height)
.attr("x2", (d,i) => data.find(el=>el.data.id === d.target).x - width)
.attr("y2", (d,i) => data.find(el=>el.data.id === d.target).y - height)
.attr("stroke", 'red')
.attr("stroke-width", 1)
.attr("fill", "none")
}
function getData(parentIDs, width, height) {
var rawData = []
rawData.push({ id: "root" })
rawData.push({
id: parentIDs.key,
size: parentIDs.values,
parentId: "root"
})
parentIDs.childNodes.forEach((el) => {
rawData.push({
id: el.id,
parentId: parentIDs.key,
size: el.value
})
})
const vData = d3.stratify()(rawData)
const vLayout = d3.pack().size([width, height]).padding(10)
const vRoot = d3.hierarchy(vData).sum(function (d) {
return d.data.size
})
const vNodes = vLayout(vRoot)
const data = vNodes.descendants().slice(1)
return data
}
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var links = data.links.map(d => Object.create(d));
var nodes = data.nodes.map(d => Object.create(d));
var simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(d => d.id).distance(200))
.force("charge", d3.forceManyBody().strength(0,15))
.force("collide", d3.forceCollide(function (d) {
return 100;
//return nodeRadiusScale(d.value)
}))
.force("center", d3.forceCenter(width / 2, height / 2));
var link = svg.append("g")
.attr("stroke", "#999")
.attr("stroke-opacity", 0.6)
.selectAll("line")
.data(links)
.enter()
.append('line')
.attr("stroke-width", d => Math.sqrt(d.value));
function zoom(focus) {
const transition = svg.transition()
.duration(750)
.attr("transform", function(){
clicked = !clicked
if(clicked){
return `translate(${-(focus.x-width/2)*k},${-(focus.y-height/2)*k})scale(${k})`
} else {
return `translate([=10=],[=10=])})scale(1)`
}
});
}
var nodeG = svg.append("g")
.selectAll("g")
.data(nodes)
.enter()
.append('g')
.call(drag(simulation))
.on("click", d => (zoom(d), d3.event.stopPropagation()));
nodeG.append('circle')
.attr("r", d => nodeRadiusScale(d.value * 2))
.attr("fill", color);
nodeG.append('text')
.style("fill", "black")
.attr("font-size", "0.8em")
.attr("text-anchor", "middle")
.attr("alignment-baseline", "middle")
.attr("dy", d => -nodeRadiusScale(d.value * 2)- 10)
.text(d=>d.id);
nodeG.append('g')
.each(function (d) {
drawChildNodes(
d3.select(this),
{ key: d.id, values: d.value, childNodes: d.childNode, childLink: d.links },
{
width: nodeRadiusScale(d.value),
height: nodeRadiusScale(d.value),
nodeColor: 'white',
borderColor: 'black',
nodeTextColor: 'black',
}
)
});
simulation.on("tick", () => {
link
.attr("x1", d => d.source.x)
.attr("y1", d => d.source.y)
.attr("x2", d => d.target.x)
.attr("y2", d => d.target.y);
nodeG.attr("transform", d => `translate(${d.x}, ${d.y})`)
});
</script>
<body>
我想在图中实现一些东西:
这是使用 D3 circle packing (V6) 的片段:
const data = {
name: "root",
children: [
{
name: "A",
children: [
{name: "A1", value: 7}, {name: "A2", value: 8}, {name: "A3", value: 9}, {name: "A4", value: 10}, {name: "A5", value: 10}
]
},
{
name: "B",
children: [
{name: "B1", value: 11}, {name: "B2", value: 7}, {name: "B3", value: 8},
]
},
{
name: "C",
value: 10
},
{
name: "D",
value: 10
},
{
name: "E",
value: 10
}
],
links: [{from: "A3", to: "C"}, {from: "A2", to: "E"}, {from: "B1", to: "D"}, {from: "B2", to: "B3"}, {from: "B1", to: "C"}]
};
const svg = d3.select("svg");
const pack = data => d3.pack()
.size([400, 400])
.padding(20)
(d3.hierarchy(data)
.sum(d => d.value * 2.5)
.sort((a, b) => b.value - a.value));
const root = pack(data);
const nodes = root.descendants().slice(1);
console.log(nodes);
const container = svg.append('g')
.attr('transform', 'translate(0,-50)')
const nodeElements = container
.selectAll("circle")
.data(nodes);
nodeElements.enter()
.append("circle")
.attr('cx', d => d.x)
.attr('cy', d => d.y)
.attr('r', d => d.value)
.attr("fill", d => d.children ? "#ffe0e0" : "#ffefef")
.attr('stroke', 'black')
const labelElements = container
.selectAll("text")
.data(nodes);
labelElements.enter()
.append("text")
.text(d => d.data.name)
.attr('x', d => d.x)
.attr('y', d => d.children ? d.y + d.value + 10 : d.y)
.attr('text-anchor', 'middle')
.attr('alignment-baseline', 'middle')
.style('fill', 'black')
const linkElements = container.selectAll('path.link')
.data(data.links);
const linkPath = d => {
const from = nodes.find(n => n.data.name === d.from);
const to = nodes.find(n => n.data.name === d.to);
const length = Math.hypot(from.x - to.x, from.y - to.y);
const fd = from.value / length;
const fx = from.x + (to.x - from.x) * fd;
const fy = from.y + (to.y - from.y) * fd;
const td = to.value / length;
const tx = to.x + (from.x - to.x) * td;
const ty = to.y + (from.y - to.y) * td;
return `M ${fx},${fy} L ${tx},${ty}`;
};
linkElements.enter()
.append('path')
.classed('link', true)
.attr('d', linkPath)
.attr('marker-start', 'url(#arrowhead-from)')
.attr('marker-end', 'url(#arrowhead-to)');
text {
font-family: "Ubuntu";
font-size: 12px;
}
.link {
stroke: blue;
fill: none;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/6.7.0/d3.min.js"></script>
<svg width="400" height="400">
<defs>
<marker id="arrowhead-to" markerWidth="10" markerHeight="7"
refX="10" refY="3.5" orient="auto">
<polygon fill="blue" points="0 0, 10 3.5, 0 7" />
</marker>
<marker id="arrowhead-from" markerWidth="10" markerHeight="7"
refX="0" refY="3.5" orient="auto">
<polygon fill="blue" points="10 0, 0 3.5, 10 7" />
</marker>
</defs>
</svg>
我想将一个大圆圈内的节点连接到另一个大圆圈内的节点,有时甚至连接到另一个更大的圆圈本身。有没有办法达到同样的目的?我能够连接同一个圆圈内的节点。
下面是我试过的示例代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style type="text/css">
.node {}
.link { stroke: #999; stroke-opacity: .6; stroke-width: 1px; }
</style>
<script src="https://d3js.org/d3.v4.min.js" type="text/javascript"></script>
<script src="https://d3js.org/d3-selection-multi.v1.js"></script>
</head>
<svg width="960" height="600"></svg>
<script type="text/javascript">
var data = {
"nodes": [
{
"id": "Myriel",
"group": 1,
"value": 3, // basically in this ratio the circle radius will be
"childNode" : [{
"id": "child1",
"value": 2
},{
"id": "child2",
"value": 3
},{
"id": "child3",
"value": 1
}],
"links": [{
"source": "child1",
"target": "child2",
"isByDirectional": true
},{
"source": "child1",
"target": "child3",
"isByDirectional": false
}
]
},
{
"id": "Napoleon",
"group": 1,
"value": 2, // basically in this ratio the circle radius will be
"childNode" : [{
"id": "child4",
"value": 2
},{
"id": "child5",
"value": 3
}],
"links": null
},
{
"id": "Mlle.Baptistine",
"group": 1,
"value": 1, // basically in this ratio the circle radius will be
},
{
"id": "Mme.Magloire",
"group": 1,
"value" : 1,
},
{
"id": "CountessdeLo",
"group": 1,
"value" : 2,
},
{
"id": "Geborand",
"group": 1,
"value" : 3,
}
],
"links": [
{"source": "Napoleon", "target": "Myriel", "value": 1},
{"source": "Mlle.Baptistine", "target": "Napoleon", "value": 8},
{"source": "CountessdeLo", "target": "Myriel", "value": 1},
{"source": "Geborand", "target": "CountessdeLo", "value": 1}
]
}
var nodeRadiusScale = d3.scaleSqrt().domain([0, 50]).range([10, 50]);
var color = function() {
var scale = d3.scaleOrdinal(d3.schemeCategory10);
return d => scale(d.group);
}
var drag = simulation => {
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;
}
return d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended);
}
function drawChildNodes(nodeElement, parentIds, options) {
if(!parentIds.childNodes) {
return
}
const nodeColor = options.nodeColor
const borderColor = options.borderColor
const nodeTextColor = options.nodeTextColor
const width = options.width
const height = options.height
const data = getData(parentIds, width * 2, height * 2);
const nodeData = nodeElement.selectAll("g").data(data)
var childNodeRadius = 5;
const nodesEnter = nodeData
.enter()
.append("g")
.attr("id", (d, i) => {
return "node-group-" + d.data.id
})
.attr('class', 'child-node')
.attr("transform", (d) => `translate(${d.x - width},${d.y - height})`)
.attr('cx', (d) => d.x)
.attr('cy', (d) => d.y)
nodesEnter
.filter((d) => d.height === 0)
.append("circle")
.attr("class", "node pie")
.attr("r", (d) => childNodeRadius)
.attr("stroke", borderColor)
.attr("stroke-width", 1)
.attr("fill", "white")
/*nodesEnter
.filter((d) => d.height === 0)
.append("text")
.style("fill", "black")
.attr("font-size", "0.8em")
.attr("text-anchor", "middle")
.attr("alignment-baseline", "middle")
.attr("dy", -7)
.text(d=>d.data.id)*/
if(!parentIds.childLink) {
return;
}
const linkData = nodeElement.selectAll("line").data(parentIds.childLink);
const linksEnter = linkData
.enter()
.append("line")
.attr("class", "node line")
.attr('id', (d) => d.source + '->' + d.target)
.attr("x1", (d,i) => data.find(el => el.data.id === d.source).x - width)
.attr("y1", (d,i) => data.find(el=>el.data.id === d.source).y - height)
.attr("x2", (d,i) => data.find(el=>el.data.id === d.target).x - width)
.attr("y2", (d,i) => data.find(el=>el.data.id === d.target).y - height)
.attr("stroke", 'red')
.attr("stroke-width", 1)
.attr("fill", "none")
}
function getData(parentIDs, width, height) {
var rawData = []
rawData.push({ id: "root" })
rawData.push({
id: parentIDs.key,
size: parentIDs.values,
parentId: "root"
})
parentIDs.childNodes.forEach((el) => {
rawData.push({
id: el.id,
parentId: parentIDs.key,
size: el.value
})
})
const vData = d3.stratify()(rawData)
const vLayout = d3.pack().size([width, height]).padding(10)
const vRoot = d3.hierarchy(vData).sum(function (d) {
return d.data.size
})
const vNodes = vLayout(vRoot)
const data = vNodes.descendants().slice(1)
return data
}
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var links = data.links.map(d => Object.create(d));
var nodes = data.nodes.map(d => Object.create(d));
var simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(d => d.id).distance(200))
.force("charge", d3.forceManyBody().strength(0,15))
.force("collide", d3.forceCollide(function (d) {
return 100;
//return nodeRadiusScale(d.value)
}))
.force("center", d3.forceCenter(width / 2, height / 2));
var link = svg.append("g")
.attr("stroke", "#999")
.attr("stroke-opacity", 0.6)
.selectAll("line")
.data(links)
.enter()
.append('line')
.attr("stroke-width", d => Math.sqrt(d.value));
function zoom(focus) {
const transition = svg.transition()
.duration(750)
.attr("transform", function(){
clicked = !clicked
if(clicked){
return `translate(${-(focus.x-width/2)*k},${-(focus.y-height/2)*k})scale(${k})`
} else {
return `translate([=10=],[=10=])})scale(1)`
}
});
}
var nodeG = svg.append("g")
.selectAll("g")
.data(nodes)
.enter()
.append('g')
.call(drag(simulation))
.on("click", d => (zoom(d), d3.event.stopPropagation()));
nodeG.append('circle')
.attr("r", d => nodeRadiusScale(d.value * 2))
.attr("fill", color);
nodeG.append('text')
.style("fill", "black")
.attr("font-size", "0.8em")
.attr("text-anchor", "middle")
.attr("alignment-baseline", "middle")
.attr("dy", d => -nodeRadiusScale(d.value * 2)- 10)
.text(d=>d.id);
nodeG.append('g')
.each(function (d) {
drawChildNodes(
d3.select(this),
{ key: d.id, values: d.value, childNodes: d.childNode, childLink: d.links },
{
width: nodeRadiusScale(d.value),
height: nodeRadiusScale(d.value),
nodeColor: 'white',
borderColor: 'black',
nodeTextColor: 'black',
}
)
});
simulation.on("tick", () => {
link
.attr("x1", d => d.source.x)
.attr("y1", d => d.source.y)
.attr("x2", d => d.target.x)
.attr("y2", d => d.target.y);
nodeG.attr("transform", d => `translate(${d.x}, ${d.y})`)
});
</script>
<body>
我想在图中实现一些东西:
这是使用 D3 circle packing (V6) 的片段:
const data = {
name: "root",
children: [
{
name: "A",
children: [
{name: "A1", value: 7}, {name: "A2", value: 8}, {name: "A3", value: 9}, {name: "A4", value: 10}, {name: "A5", value: 10}
]
},
{
name: "B",
children: [
{name: "B1", value: 11}, {name: "B2", value: 7}, {name: "B3", value: 8},
]
},
{
name: "C",
value: 10
},
{
name: "D",
value: 10
},
{
name: "E",
value: 10
}
],
links: [{from: "A3", to: "C"}, {from: "A2", to: "E"}, {from: "B1", to: "D"}, {from: "B2", to: "B3"}, {from: "B1", to: "C"}]
};
const svg = d3.select("svg");
const pack = data => d3.pack()
.size([400, 400])
.padding(20)
(d3.hierarchy(data)
.sum(d => d.value * 2.5)
.sort((a, b) => b.value - a.value));
const root = pack(data);
const nodes = root.descendants().slice(1);
console.log(nodes);
const container = svg.append('g')
.attr('transform', 'translate(0,-50)')
const nodeElements = container
.selectAll("circle")
.data(nodes);
nodeElements.enter()
.append("circle")
.attr('cx', d => d.x)
.attr('cy', d => d.y)
.attr('r', d => d.value)
.attr("fill", d => d.children ? "#ffe0e0" : "#ffefef")
.attr('stroke', 'black')
const labelElements = container
.selectAll("text")
.data(nodes);
labelElements.enter()
.append("text")
.text(d => d.data.name)
.attr('x', d => d.x)
.attr('y', d => d.children ? d.y + d.value + 10 : d.y)
.attr('text-anchor', 'middle')
.attr('alignment-baseline', 'middle')
.style('fill', 'black')
const linkElements = container.selectAll('path.link')
.data(data.links);
const linkPath = d => {
const from = nodes.find(n => n.data.name === d.from);
const to = nodes.find(n => n.data.name === d.to);
const length = Math.hypot(from.x - to.x, from.y - to.y);
const fd = from.value / length;
const fx = from.x + (to.x - from.x) * fd;
const fy = from.y + (to.y - from.y) * fd;
const td = to.value / length;
const tx = to.x + (from.x - to.x) * td;
const ty = to.y + (from.y - to.y) * td;
return `M ${fx},${fy} L ${tx},${ty}`;
};
linkElements.enter()
.append('path')
.classed('link', true)
.attr('d', linkPath)
.attr('marker-start', 'url(#arrowhead-from)')
.attr('marker-end', 'url(#arrowhead-to)');
text {
font-family: "Ubuntu";
font-size: 12px;
}
.link {
stroke: blue;
fill: none;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/6.7.0/d3.min.js"></script>
<svg width="400" height="400">
<defs>
<marker id="arrowhead-to" markerWidth="10" markerHeight="7"
refX="10" refY="3.5" orient="auto">
<polygon fill="blue" points="0 0, 10 3.5, 0 7" />
</marker>
<marker id="arrowhead-from" markerWidth="10" markerHeight="7"
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