kopia lustrzana https://github.com/learn-awesome/learndb
Use pancake for zoomable treemap
Nilesh
rodzic
3b920350b6
commit
29c40f282b
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@ -10,7 +10,9 @@
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"devDependencies": {
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"@rgossiaux/svelte-headlessui": "^1.0.2",
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"@rgossiaux/svelte-heroicons": "^0.1.2",
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"@sveltejs/pancake": "^0.0.18",
|
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"@sveltejs/vite-plugin-svelte": "^2.0.2",
|
||||
"d3-hierarchy": "^3.1.2",
|
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"marked": "^4.2.4",
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"svelte": "^3.55.0",
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"vite": "^4.0.3"
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@ -454,6 +456,15 @@
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"svelte": "^3.44.0"
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}
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},
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"node_modules/@sveltejs/pancake": {
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"version": "0.0.18",
|
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"resolved": "https://registry.npmjs.org/@sveltejs/pancake/-/pancake-0.0.18.tgz",
|
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"integrity": "sha512-vnpKn+sHE0yvw/6x4juF9EoDS8iYC5JNIVtRgclA37rfxdnIpvbVxStiZ5/gWncjERN4jtSpTAplS1zCARCBXA==",
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"dev": true,
|
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"dependencies": {
|
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"yootils": "0.0.16"
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}
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},
|
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"node_modules/@sveltejs/vite-plugin-svelte": {
|
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"version": "2.0.2",
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"resolved": "https://registry.npmjs.org/@sveltejs/vite-plugin-svelte/-/vite-plugin-svelte-2.0.2.tgz",
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@ -525,6 +536,15 @@
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"optional": true,
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"peer": true
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},
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"node_modules/d3-hierarchy": {
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"version": "3.1.2",
|
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"resolved": "https://registry.npmjs.org/d3-hierarchy/-/d3-hierarchy-3.1.2.tgz",
|
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"integrity": "sha512-FX/9frcub54beBdugHjDCdikxThEqjnR93Qt7PvQTOHxyiNCAlvMrHhclk3cD5VeAaq9fxmfRp+CnWw9rEMBuA==",
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"dev": true,
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"engines": {
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"node": ">=12"
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}
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},
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"node_modules/debug": {
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"version": "4.3.4",
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"resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
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@ -887,6 +907,12 @@
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"optional": true
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}
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}
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},
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"node_modules/yootils": {
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"version": "0.0.16",
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"resolved": "https://registry.npmjs.org/yootils/-/yootils-0.0.16.tgz",
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"integrity": "sha512-aIVecm5ucOzwhtKbl0zkfg0ZSOUR9c2da0k8cIc9umjjzkvVCWUUX/UHZ1CLPsv4wmJLqt0aWeLB7p9n9JDwYQ==",
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"dev": true
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}
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},
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"dependencies": {
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@ -1117,6 +1143,15 @@
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"dev": true,
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"requires": {}
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},
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"@sveltejs/pancake": {
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"version": "0.0.18",
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"resolved": "https://registry.npmjs.org/@sveltejs/pancake/-/pancake-0.0.18.tgz",
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"integrity": "sha512-vnpKn+sHE0yvw/6x4juF9EoDS8iYC5JNIVtRgclA37rfxdnIpvbVxStiZ5/gWncjERN4jtSpTAplS1zCARCBXA==",
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"dev": true,
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"requires": {
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"yootils": "0.0.16"
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}
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},
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"@sveltejs/vite-plugin-svelte": {
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"version": "2.0.2",
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"resolved": "https://registry.npmjs.org/@sveltejs/vite-plugin-svelte/-/vite-plugin-svelte-2.0.2.tgz",
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@ -1174,6 +1209,12 @@
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"optional": true,
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"peer": true
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},
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"d3-hierarchy": {
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"version": "3.1.2",
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"resolved": "https://registry.npmjs.org/d3-hierarchy/-/d3-hierarchy-3.1.2.tgz",
|
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"integrity": "sha512-FX/9frcub54beBdugHjDCdikxThEqjnR93Qt7PvQTOHxyiNCAlvMrHhclk3cD5VeAaq9fxmfRp+CnWw9rEMBuA==",
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"dev": true
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},
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"debug": {
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"version": "4.3.4",
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"resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
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@ -1397,6 +1438,12 @@
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"integrity": "sha512-fanAXjSaf9xXtOOeno8wZXIhgia+CZury481LsDaV++lSvcU2R9Ch2bPh3PYFyoHW+w9LqAeYRISVQjUIew14g==",
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"dev": true,
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"requires": {}
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},
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"yootils": {
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"version": "0.0.16",
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"resolved": "https://registry.npmjs.org/yootils/-/yootils-0.0.16.tgz",
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"integrity": "sha512-aIVecm5ucOzwhtKbl0zkfg0ZSOUR9c2da0k8cIc9umjjzkvVCWUUX/UHZ1CLPsv4wmJLqt0aWeLB7p9n9JDwYQ==",
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"dev": true
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}
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}
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}
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@ -12,8 +12,10 @@
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"devDependencies": {
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"@rgossiaux/svelte-headlessui": "^1.0.2",
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"@rgossiaux/svelte-heroicons": "^0.1.2",
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"@sveltejs/vite-plugin-svelte": "^2.0.2",
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"marked": "^4.2.4",
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"@sveltejs/pancake": "^0.0.18",
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"@sveltejs/vite-plugin-svelte": "^2.0.2",
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"d3-hierarchy": "^3.1.2",
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"marked": "^4.2.4",
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"svelte": "^3.55.0",
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"vite": "^4.0.3"
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}
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345
public/map.html
345
public/map.html
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@ -1,345 +0,0 @@
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<!doctype html>
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<html class="no-js" lang="">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>TreeMap</title>
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<meta name="description" content="">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script>
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<style>
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body {
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margin: 0px;
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padding: 0px;
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font-family: 'Open Sans', sans-serif;
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font-size: 16px;
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}
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#chart {
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margin: 0px;
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padding: 0px;
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background: #E0E7FF;
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}
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text {
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cursor: pointer;
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fill: #171717;
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}
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.grandparent text {
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font-weight: bold;
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}
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rect {
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fill: none;
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stroke: #fff;
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}
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rect.parent,
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.grandparent rect {
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stroke-width: 2px;
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}
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.grandparent rect {
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fill: #F68787;
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}
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.grandparent:hover rect {
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fill: #FB3569;
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}
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.children rect.parent,
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.grandparent rect {
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cursor: pointer;
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}
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.leaf rect.parent {
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cursor: pointer;
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fill: #B7FBFF;
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}
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.leaf rect.parent:hover {
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cursor: pointer;
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fill: #51EAEA;
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}
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.children rect.parent {
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fill: #F1EB9A;
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fill-opacity: .5;
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}
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.children:hover rect.child {
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fill: #F8A978;
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}
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</style>
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<link href='https://fonts.googleapis.com/css?family=Open+Sans:300' rel='stylesheet' type='text/css'>
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</head>
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<body>
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<div style="text-align: right;">
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<a href="https://github.com/learn-awesome/learndb" target="_blank" style="text-decoration:underline; padding: 2px 3px; font-weight: 700;">Help us improve this taxonomy</a>
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</div>
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<p id="chart"></p>
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<script type="text/javascript">
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function hierarchy(topic_array, parent_name){
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// this is different from TopicMasonryGrid because this needs a specific object structure down to all leafs, not a map with just 2 levels
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// every node needs id, name. Leaf nodes need a value like 100. Non-leafs need a children[].
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// see: https://github.com/mekarpeles/math.mx/blob/master/static/data/simple.json
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const nest = (items, id) =>
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items
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.filter(item => item.parent_name === id)
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.map(item => ({ ...item, children: nest(items, item.name), value: 100 }))
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.map(item => {
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return item.children.length == 0 ?
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{id: item.name, name: item.name, value: 100} :
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{id: item.name, name: item.name, children: item.children}
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});
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let topnodes = nest(topic_array, null); // includes childless nodes
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// put childless nodes under misc
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let misc = {id: 'misc', name: 'Misc', children: topnodes.filter(t => t.value).slice(0,15)};
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return {name: "", children: [...topnodes.filter(t => t.children), misc]};
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}
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d3.json("/alltopics.json", function(alltopics){
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// console.log({alltopics});
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var root = hierarchy(alltopics, null);
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// console.log({root});
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initialize(root);
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accumulate(root);
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layout(root);
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display(root);
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});
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var margin = {top: 30, right: 0, bottom: 0, left: 0},
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wh = browserDimensions(),
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width = wh[0] - (2 * margin.left) - (2*margin.right),
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height = wh[1] - (2 * margin.top - margin.bottom),
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formatNumber = d3.format(",d"),
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transitioning;
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var x = d3.scale.linear()
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.domain([0, width])
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.range([0, width]);
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var y = d3.scale.linear()
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.domain([0, height])
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.range([0, height]);
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var treemap = d3.layout.treemap()
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.children(function(d, depth) { return depth ? null : d._children; })
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.sort(function(a, b) { return a.value - b.value; })
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.ratio(height / width * 0.5 * (1 + Math.sqrt(5)))
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.round(false);
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var svg = d3.select("#chart").append("svg")
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.attr("width", width + margin.left + margin.right)
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.attr("height", height + margin.bottom + margin.top)
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.style("margin-left", -margin.left + "px")
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.style("margin.right", -margin.right + "px")
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.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")")
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.style("shape-rendering", "crispEdges");
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var grandparent = svg.append("g")
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.attr("class", "grandparent");
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grandparent.append("rect")
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.attr("y", -margin.top)
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.attr("width", width)
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.attr("height", margin.top);
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grandparent.append("text")
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.attr("x", 6)
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.attr("y", 6 - margin.top)
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.attr("dy", ".75em");
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function initialize(root) {
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root.x = root.y = 0;
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root.dx = width;
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root.dy = height;
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root.depth = 0;
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}
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// Aggregate the values for internal nodes. This is normally done by the
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// treemap layout, but not here because of our custom implementation.
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// We also take a snapshot of the original children (_children) to avoid
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// the children being overwritten when when layout is computed.
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function accumulate(d) {
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return (d._children = d.children)
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? d.value = d.children.reduce(function(p, v) { return p + accumulate(v); }, 0)
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: d.value;
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}
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// Compute the treemap layout recursively such that each group of siblings
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// uses the same size (1×1) rather than the dimensions of the parent cell.
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// This optimizes the layout for the current zoom state. Note that a wrapper
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// object is created for the parent node for each group of siblings so that
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// the parent’s dimensions are not discarded as we recurse. Since each group
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// of sibling was laid out in 1×1, we must rescale to fit using absolute
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// coordinates. This lets us use a viewport to zoom.
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function layout(d) {
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if (d._children) {
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treemap.nodes({_children: d._children});
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d._children.forEach(function(c) {
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c.x = d.x + c.x * d.dx;
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c.y = d.y + c.y * d.dy;
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c.dx *= d.dx;
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c.dy *= d.dy;
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c.parent = d;
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layout(c);
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});
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}
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}
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function display(d) {
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grandparent
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.datum(d.parent)
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.on("click", transition)
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.select("text")
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.text(name(d));
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var g1 = svg.insert("g", ".grandparent")
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.datum(d)
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.attr("class", "depth");
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var g = g1.selectAll("g")
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.data(d._children)
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.enter().append("g");
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g.filter(function(d) { return d._children; })
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.classed("children", true)
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.on("click", transition);
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g.filter(function(d) { return !d._children; })
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.classed("leaf", true)
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.on("click",(n) => { window.parent.location.href = "/#/topic/" + n.name;});
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g.filter(function(d) { return d._children; }).selectAll(".child")
|
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.data(function(d) { return d._children || [d]; })
|
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.enter().append("rect")
|
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.attr("class", "child")
|
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.call(rect);
|
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|
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g.append("rect")
|
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.attr("class", "parent")
|
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.call(rect)
|
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.append("title")
|
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.text(function(d) { return formatNumber(d.value); });
|
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g.append("text")
|
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.attr("dy", ".75em")
|
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.on("click", (n) => { window.parent.location.href = "/#/topic/" + n.name;})
|
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.text(function(d) { return d.name.split('/').reverse()[0].split('{')[0].split('(')[0]
|
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.split('[')[0]; })
|
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.call(text);
|
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|
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function transition(d) {
|
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if (transitioning || !d) return;
|
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transitioning = true;
|
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|
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var g2 = display(d),
|
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t1 = g1.transition().duration(750),
|
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t2 = g2.transition().duration(750);
|
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|
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// Update the domain only after entering new elements.
|
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x.domain([d.x, d.x + d.dx]);
|
||||
y.domain([d.y, d.y + d.dy]);
|
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|
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// Enable anti-aliasing during the transition.
|
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svg.style("shape-rendering", null);
|
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|
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// Draw child nodes on top of parent nodes.
|
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svg.selectAll(".depth").sort(function(a, b) { return a.depth - b.depth; });
|
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|
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// Fade-in entering text.
|
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g2.selectAll("text").style("fill-opacity", 0);
|
||||
|
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// Transition to the new view.
|
||||
t1.selectAll("text").call(text).style("fill-opacity", 0);
|
||||
t2.selectAll("text").call(text).style("fill-opacity", 1);
|
||||
t1.selectAll("rect").call(rect);
|
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t2.selectAll("rect").call(rect);
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|
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// Remove the old node when the transition is finished.
|
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t1.remove().each("end", function() {
|
||||
svg.style("shape-rendering", "crispEdges");
|
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transitioning = false;
|
||||
});
|
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}
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||||
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return g;
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}
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|
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function text(text) {
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||||
text.attr("x", function(d) { return x(d.x) + 10; })
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.attr("y", function(d) { return y(d.y) + 10; })
|
||||
.attr("text-decoration","underline");
|
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}
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|
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function rect(rect) {
|
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rect.attr("x", function(d) { return x(d.x); })
|
||||
.attr("y", function(d) { return y(d.y); })
|
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.attr("width", function(d) { return x(d.x + d.dx) - x(d.x); })
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.attr("height", function(d) { return y(d.y + d.dy) - y(d.y); });
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}
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function name(d) {
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return d.parent
|
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? name(d.parent) + " → " + d.name
|
||||
: d.name;
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||||
}
|
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|
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function wrap(text, width) {
|
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text.each(function() {
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var text = d3.select(this),
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||||
words = text.text().split(/\s+/).reverse(),
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word,
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line = [],
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lineNumber = 0,
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lineHeight = 1.1, // ems
|
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y = text.attr("y"),
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dy = parseFloat(text.attr("dy")),
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tspan = text.text(null).append("tspan").attr("x", 0).attr("y", y).attr("dy", dy + "em");
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while (word = words.pop()) {
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line.push(word);
|
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tspan.text(line.join(" "));
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if (tspan.node().getComputedTextLength() > width) {
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line.pop();
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||||
tspan.text(line.join(" "));
|
||||
line = [word];
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tspan = text.append("tspan").attr("x", 0).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word);
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}
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}
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});
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||||
}
|
||||
function browserDimensions() {
|
||||
var w = 0, h = 0;
|
||||
if( typeof( window.innerWidth ) == 'number' ) {
|
||||
//Non-IE
|
||||
w = window.innerWidth;
|
||||
h = window.innerHeight;
|
||||
} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
|
||||
//IE 6+ in 'standards compliant mode'
|
||||
w = document.documentElement.clientWidth;
|
||||
h = document.documentElement.clientHeight;
|
||||
} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
|
||||
//IE 4 compatible
|
||||
w = document.body.clientWidth;
|
||||
h = document.body.clientHeight;
|
||||
}
|
||||
return [w, h];
|
||||
}
|
||||
|
||||
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
<script>
|
||||
import TreemapNode from './TreemapNode.svelte';
|
||||
|
||||
export let root;
|
||||
</script>
|
||||
|
||||
<pancake-treemap>
|
||||
<TreemapNode node={root} let:node>
|
||||
<slot {node}></slot>
|
||||
</TreemapNode>
|
||||
</pancake-treemap>
|
||||
|
||||
<style>
|
||||
pancake-treemap {
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
pointer-events: none;
|
||||
}
|
||||
</style>
|
||||
|
|
@ -1 +1,181 @@
|
|||
<iframe title="treemap" src="/map.html" class="w-full h-screen"></iframe>
|
||||
<script>
|
||||
import * as Pancake from '@sveltejs/pancake';
|
||||
import * as d3 from 'd3-hierarchy';
|
||||
import { tweened } from 'svelte/motion';
|
||||
import * as eases from 'svelte/easing';
|
||||
import { fade } from 'svelte/transition';
|
||||
import * as yootils from 'yootils';
|
||||
import PancakeTreemap from './PancakeTreemap.svelte';
|
||||
import topics from '../db/topics.json';
|
||||
|
||||
const treemap = d3.treemap();
|
||||
|
||||
const build_hierarchy = (topic_array, parent_name) => {
|
||||
// this is different from TopicMasonryGrid because this needs a specific object structure down to all leafs, not a map with just 2 levels
|
||||
// every node needs id, name. Leaf nodes need a value like 100. Non-leafs need a children[].
|
||||
// see: https://github.com/mekarpeles/math.mx/blob/master/static/data/simple.json
|
||||
const nest = (items, id) =>
|
||||
items
|
||||
.filter(item => item.parent_name === id)
|
||||
.map(item => ({ ...item, children: nest(items, item.name), value: 100 }))
|
||||
.map(item => {
|
||||
return item.children.length == 0 ?
|
||||
{id: item.name, name: item.name, value: 100} :
|
||||
{id: item.name, name: item.name, children: item.children}
|
||||
});
|
||||
|
||||
let topnodes = nest(topic_array, null); // includes childless nodes
|
||||
|
||||
// put childless nodes under misc
|
||||
let misc = {id: 'misc', name: 'Misc', children: topnodes.filter(t => t.value).slice(0,15)};
|
||||
|
||||
|
||||
return {name: "", children: [...topnodes.filter(t => t.children), misc]};
|
||||
}
|
||||
|
||||
const hierarchy = d3.hierarchy(build_hierarchy(topics, null))
|
||||
.sum(d => d.value)
|
||||
.sort((a, b) => b.value - a.value)
|
||||
|
||||
const root = treemap(hierarchy);
|
||||
|
||||
let selected = root;
|
||||
|
||||
const select = node => {
|
||||
while (node.parent && node.parent !== selected) {
|
||||
node = node.parent;
|
||||
}
|
||||
|
||||
if (node && node.children) {
|
||||
selected = node;
|
||||
} else {
|
||||
window.location.href = "/#/topic/" + node.data.name;
|
||||
}
|
||||
};
|
||||
|
||||
const breadcrumbs = node => {
|
||||
const crumbs = [];
|
||||
while (node) {
|
||||
crumbs.unshift(node.data.name)
|
||||
node = node.parent;
|
||||
}
|
||||
|
||||
return crumbs.join('/');
|
||||
};
|
||||
|
||||
const extents = tweened(undefined, {
|
||||
easing: eases.cubicOut,
|
||||
duration: 600
|
||||
});
|
||||
|
||||
const is_visible = (a, b) => {
|
||||
while (b) {
|
||||
if (a.parent === b) return true;
|
||||
b = b.parent;
|
||||
}
|
||||
|
||||
return false;
|
||||
};
|
||||
|
||||
$: $extents = {
|
||||
x1: selected.x0,
|
||||
x2: selected.x1,
|
||||
y1: selected.y1,
|
||||
y2: selected.y0
|
||||
};
|
||||
</script>
|
||||
|
||||
<button class="breadcrumbs" disabled="{!selected.parent}" on:click="{() => selected = selected.parent}">
|
||||
{breadcrumbs(selected)}
|
||||
</button>
|
||||
|
||||
<div class="chart">
|
||||
<Pancake.Chart x1={$extents.x1} x2={$extents.x2} y1={$extents.y1} y2={$extents.y2}>
|
||||
<PancakeTreemap {root} let:node>
|
||||
{#if is_visible(node, selected)}
|
||||
<div
|
||||
transition:fade={{duration:400}}
|
||||
class="node"
|
||||
class:leaf={!node.children}
|
||||
on:click="{() => select(node)}"
|
||||
>
|
||||
<div class="pancontents">
|
||||
<strong on:click|stopPropagation={() => window.location.href = "/#/topic/" + node.data.name}>
|
||||
{node.data.name.split('/').reverse()[0]}
|
||||
</strong>
|
||||
</div>
|
||||
</div>
|
||||
{/if}
|
||||
</PancakeTreemap>
|
||||
</Pancake.Chart>
|
||||
</div>
|
||||
|
||||
<style>
|
||||
.breadcrumbs {
|
||||
width: 100%;
|
||||
padding: 0.3rem 0.4rem;
|
||||
background-color: transparent;
|
||||
font-family: inherit;
|
||||
font-size: inherit;
|
||||
text-align: left;
|
||||
border: none;
|
||||
cursor: pointer;
|
||||
outline: none;
|
||||
}
|
||||
|
||||
.breadcrumbs:disabled {
|
||||
cursor: default;
|
||||
}
|
||||
|
||||
.chart {
|
||||
width: calc(100% + 2px);
|
||||
height: 900px;
|
||||
padding: 0;
|
||||
margin: 0 -1px 36px -1px;
|
||||
overflow: hidden;
|
||||
}
|
||||
|
||||
.node {
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
background-color: white;
|
||||
overflow: hidden;
|
||||
pointer-events: all;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
.pancontents {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
padding: 0.3rem 0.4rem;
|
||||
border: 1px solid white;
|
||||
background-color: hsl(240, 8%, 70%);
|
||||
color: white;
|
||||
border-radius: 4px;
|
||||
box-sizing: border-box;
|
||||
}
|
||||
|
||||
.pancontents:hover {
|
||||
background-color: #F1EB9A;
|
||||
color: black;
|
||||
}
|
||||
|
||||
.node:not(.leaf) .pancontents {
|
||||
background-color: hsl(240, 8%, 44%);
|
||||
}
|
||||
|
||||
.node:not(.leaf) .pancontents:hover {
|
||||
background-color: #F1EB9A;
|
||||
}
|
||||
|
||||
strong {
|
||||
display: block;
|
||||
font-size: 16px;
|
||||
white-space: nowrap;
|
||||
line-height: 1;
|
||||
text-decoration: underline;
|
||||
}
|
||||
|
||||
|
||||
</style>
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
<script>
|
||||
import * as Pancake from '@sveltejs/pancake';
|
||||
import { getContext } from 'svelte';
|
||||
|
||||
export let node;
|
||||
</script>
|
||||
|
||||
<Pancake.Box x1={node.x0} x2={node.x1} y1={node.y1} y2={node.y0}>
|
||||
<slot {node}></slot>
|
||||
</Pancake.Box>
|
||||
|
||||
{#each (node.children || []) as child}
|
||||
<svelte:self node={child} let:node>
|
||||
<slot {node}></slot>
|
||||
</svelte:self>
|
||||
{/each}
|
||||
|
|
@ -1,17 +1,9 @@
|
|||
import { defineConfig } from 'vite'
|
||||
import { svelte } from '@sveltejs/vite-plugin-svelte'
|
||||
import fs from 'fs';
|
||||
|
||||
function copyTopicJSONToPublic(){
|
||||
// This is needed for map.html which needs to fetch all topics from server
|
||||
console.log("Copying db/topics.json to public/alltopics.json ...");
|
||||
fs.copyFileSync("db/topics.json", "public/alltopics.json")
|
||||
}
|
||||
|
||||
// https://vitejs.dev/config/
|
||||
export default defineConfig({
|
||||
plugins: [
|
||||
copyTopicJSONToPublic(),
|
||||
svelte()
|
||||
],
|
||||
})
|
||||
Ładowanie…
Reference in New Issue