This block demonstrates a minimal example for collaborative interaction on a visualization using VisConnect.
The block is based on https://observablehq.com/@d3/circle-dragging-i. This block simply adds VisConnect and replaces Math.random() with vc.random, and d3.drag with vc.drag.
Last active
April 20, 2020 21:29
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VisConnect Collaborative Drag Example
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| <svg width=500 height=400 id="vis"></svg> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <script src="https://unpkg.com/peerjs@1.0.4/dist/peerjs.min.js"></script> | |
| <script src="https://michaschwab.github.io/VisConnect/visconnect-bundle.js"></script> | |
| <script> | |
| const svg = d3.select("#vis"); | |
| const circles = d3.range(20).map(() => ({x: vc.random() * 500, y: vc.random() * 400})); | |
| const drag = vc.drag().on("drag", function(d) { | |
| d3.select(this).attr("cx", d.x = d3.event.x).attr("cy", d.y = d3.event.y); | |
| }); | |
| svg.selectAll("circle") | |
| .data(circles) | |
| .join("circle") | |
| .attr("cx", d => d.x) | |
| .attr("cy", d => d.y) | |
| .attr("r", 20) | |
| .attr("fill", (d, i) => d3.schemeCategory10[i % 10]) | |
| .call(drag); | |
| </script> |
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