👋 I am computer scientist researching intelligent and scalable visualization systems for biomedical data exploration. Harvard CS PhD '21.
Public
Edited
Apr 10, 2023
5 forks
9 stars
viewof selectedPointIndices = createScatterplotView({ points, invalidation })
/*
* Simple helper to create a dynamic viewof scatterplot based on:
* - https://observablehq.com/@radames/hello-regl-scatterplot
* - https://observablehq.com/@fil/hello-regl-scatterplot
*/
function createScatterplotView({
width = 600,
height = 340,
pointSize = 2,
points = [[0, 0]],
invalidation
} = {}) {
const canvas = document.createElement("canvas");
const scatterplot = createScatterplot({
canvas,
pointSize,
width,
height,
lassoOnLongPress: true,
backgroundColor: "white"
});
scatterplot.subscribe("select", ({ points }) => {
canvas.value = points;
canvas.dispatchEvent(new Event("input"));
});
scatterplot.set({ colorBy: "valueA", pointColor: colors }); // color by the third value
scatterplot.draw(points);
invalidation?.then(() => scatterplot.destroy());
return canvas;
}
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