Effect Scatter Chart
A scatter chart with animated ripple effects on data points. Use it to draw attention to key data points, such as high-traffic locations or anomalies.
Installation
dotnet add package Lumeo.Charts
One-time app setup (AddLumeo(), CSS & JS) is covered in the
installation guide.
Usage
@using Lumeo <EffectScatterChart />
Shape-aware skeleton with reserved space for legend and axes — no layout shift when real data arrives.
API Reference
EffectScatterChart
| Property | Type | Default | Description |
|---|---|---|---|
| Series | List<EffectScatterSeriesData> | [] | Data series with Name, Points, and optional SymbolSize. |
| ShowLegend | bool | true | Shows legend when multiple series present. |
| IsLoading | bool | false | When true, renders a shape-matched loading skeleton in place of the chart. Bind to your async fetch state. |
| ShowLoadingSkeleton | bool | true | Set to false to opt out of the skeleton (chart area stays empty while IsLoading is true). |
| SkeletonKind | ChartSkeletonKind | (chart default) | Override the skeleton silhouette (Bars, Line, Area, Pie, Scatter, Grid, Generic). |
| SkeletonStyle | ChartSkeletonStyle | Phantom | Phantom renders the real chart with placeholder data and morphs to real data via ECharts animation. Silhouette falls back to the legacy SVG skeleton overlay. |
| ShowLoadingLabel | bool | true | Shows a small "Loading…" pill in the top-right corner whenever IsLoading is true. Layered on top of any SkeletonStyle. Set to false for bare visuals. (rc.18) |
| LoadingText | string? | "Loading…" | Label rendered next to the spinner inside the loading pill. Set to empty to show the spinner alone. (rc.18) |
| ShowTooltip | bool | true | Enables the hover tooltip on data points. |
| Colors | List<string>? | null | Custom color palette for scatter series. |
| Width | string | "100%" | CSS width of the chart container. |
| Height | string | "350px" | CSS height of the chart container. |
| Theme | string? | null | ECharts theme name override; null follows global Lumeo theme. |
| PhantomCycleMs | int | 1400 | Phantom-mode refresh interval in milliseconds; lower cycles placeholder data faster. |
| ShowDataLabels | bool | false | Renders value labels next to each scatter point. |
| LabelPosition | string | "top" | Position of data labels relative to each point. |
| LabelFormat | string? | null | ECharts formatter string applied to data labels. |
| DataZoom | bool | false | Enables zoom slider for dense scatter plots. |
| Toolbox | bool | false | Shows save/restore/zoom toolbox in the corner. |
| ColorPalette | List<string>? | null | Alternate color palette applied when Colors is unset. |
| AnimationDuration | int? | null | Override ECharts animation duration in milliseconds. |
| AnimationEasing | string? | null | ECharts easing function name for entry animation. |
| MarkLine | EChartMarkLine? | null | Reference lines (avg, max, custom) overlaid on the chart. |
| MarkPoint | EChartMarkPoint? | null | Marker points highlighting extrema or annotations. |
| MarkArea | EChartMarkArea? | null | Shaded regions highlighting value ranges on the chart. |