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Zoomable sunburst

D3 › Gallery

\n\n# ITM Studio Follow-up Data\n## Zoomable sunburst\n\nThis variant of a [sunburst diagram](/@d3/sunburst/2?intent=fork) shows only two layers of the hierarchy at a time. Click a node to zoom in, or the center to zoom out. Compare to an [icicle](/@d3/zoomable-icicle).","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":524,"value":"#### Click here to download PNG","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":485,"value":"DOM.download(() => rasterizeWhite(chart), undefined, \"Save as PNG\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":399,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":7,"value":"$4c","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":3,"value":"$4d","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":493,"value":"---\n##### Code to download the sunburst chart as png","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":491,"value":"PNGprecision = 5","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":487,"value":"function rasterizeWhite(svg) {\n let resolve, reject;\n const promise = new Promise((y, n) => ((resolve = y), (reject = n)));\n const image = new Image();\n image.onerror = reject;\n image.onload = () => {\n const rect = svg.getBoundingClientRect();\n const context = DOM.context2d(\n rect.width * PNGprecision,\n rect.height * PNGprecision\n );\n context.fillStyle = \"white\";\n context.fillRect(\n 0,\n 0,\n rect.width * PNGprecision,\n rect.height * PNGprecision\n );\n context.drawImage(\n image,\n 0,\n 0,\n rect.width * PNGprecision,\n rect.height * PNGprecision\n );\n context.canvas.toBlob(resolve, \"image/png\", 1);\n };\n image.src = URL.createObjectURL(serialize(svg));\n return promise;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":489,"value":"serialize = {\n const xmlns = \"http://www.w3.org/2000/xmlns/\";\n const xlinkns = \"http://www.w3.org/1999/xlink\";\n const svgns = \"http://www.w3.org/2000/svg\";\n return function serialize(svg) {\n svg = svg.cloneNode(true);\n const fragment = window.location.href + \"#\";\n const walker = document.createTreeWalker(svg, NodeFilter.SHOW_ELEMENT);\n while (walker.nextNode()) {\n for (const attr of walker.currentNode.attributes) {\n if (attr.value.includes(fragment)) {\n attr.value = attr.value.replace(fragment, \"#\");\n }\n }\n }\n svg.setAttributeNS(xmlns, \"xmlns\", svgns);\n svg.setAttributeNS(xmlns, \"xmlns:xlink\", xlinkns);\n const serializer = new window.XMLSerializer();\n const string = serializer.serializeToString(svg);\n return new Blob([string], { type: \"image/svg+xml\" });\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W4e","stdlib":"1"}} 24:null