Large dataset, downsampled
50 000 points drawn with peak-preserving decimation.
Why it matters M4 decimation (wcc.performance.decimate) keeps peaks; 50 000 points render as a few thousand path vertices
Open the chart without page chrome ↗
// First chart on this page. The example combines several charts or controls;
// open the standalone example for the full source.
const options = {
chart: {
height: 380,
fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
type: "line",
zoom: {
enabled: true
},
toolbar: {
show: true
},
animations: {
enabled: false
}
},
series: [
{
name: "Signal",
data: [
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// ... truncated, use Copy or open the full configimport WestCoastCharts from 'west-coast-charts'
import types from 'west-coast-charts/types'
WestCoastCharts.use(types)
const options = {
chart: {
height: 380,
fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
type: "line",
zoom: {
enabled: true
},
toolbar: {
show: true
},
animations: {
enabled: false
}
},
series: [
{
name: "Signal",
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// ... truncated, use Copy or open the full config
const chart = new WestCoastCharts(document.querySelector('#chart'), options)
await chart.render()Waiting for the chart.
Open Data & agent view to read this chart through chart.describe().
Read from the running library through its optional agent/describe module. Text, table and JSON share the same snapshot. Demo data only.
$ wcc chart export line-line-large-dataset-downsampling.json --out line-line-large-dataset-downsampling.svg --with-tablePublic agent tools 0.2.3, tested with Library 1.1.5; available from the versioned GitHub release and npm. Save a JSON spec first and check the loaded runtime and supported modules before rendering. Command reference
Loading /gallery/line/line-large-dataset-downsampling/index.md …