D3.js & Data Visualization & SVG

时间:2023-03-08 16:45:54

D3.js & Data Visualization & SVG

D3.js & Data Visualization &  SVG

https://davidwalsh.name/learning-d3


// import {scaleLinear} from "d3-scale";
// import * as d3 from "d3"; // datas
const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9]; // view
const w = 500;
const h = 100; const svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
// rect
svg.selectAll("rect")
.data(dataset)
.enter()
.append("rect")
.attr("x", (d, i) => i * 30)
.attr("y", (d, i) => h - 3 * d)
.attr("width", 25)
.attr("height", (d, i) => 3 * d)
.attr("fill", "navy");
// title
svg.selectAll("text")
.data(dataset)
.enter()
.append("text")
.attr("x", (d, i) => i * 30)
.attr("y", (d, i) => h - 3 * d - 3)
.attr("width", 25)
.attr("height", (d, i) => 3 * d)
.text(d => `¥${d}`)
.attr("class", "high-light-color");
// tooltips
// svg.selectAll("rect");

https://github.com/freeCodeCamp/learn/tree/master/src/introductions/data-visualization

https://github.com/d3/d3/blob/master/API.md#axes-d3-axis

ProjectReferenceData

https://github.com/freeCodeCamp/ProjectReferenceData

https://guide.freecodecamp.org/d3

https://cdnjs.com/libraries/d3

https://guide.freecodecamp.org/certifications/data-visualization/data-visualization-projects/visualize-data-with-a-bar-chart

D3.js & Data Visualization &  SVG

high-charts

SVG to Images

SVG to Images in js

https://image.online-convert.com/convert-to-svg

https://*.com/questions/3975499/convert-svg-to-image-jpeg-png-etc-in-the-browser

https://github.com/canvg/canvg

https://*.com/questions/923885/capture-html-canvas-as-gif-jpg-png-pdf/3514404#3514404


var canvas = document.getElementById("mycanvas");
var img = canvas.toDataURL("image/png"); document.write('<img src="'+img+'"/>');