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Install: npm install --save d3 d3-geo topojson Code: import React, {Component} from 'react'; import * as d3 from 'd3'; import 'd3-geo'; import * as topojson from 'topojson'; const us = require('./us.json'); const width = 960; const height = 600; clas…
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <script src="../bower_components/underscore/underscore-min.js"></script> <script src="../v…
这两天帮人搞了下中国范围内仓库量统计的需求,查了下echarts 里的文档找到类似的demo(链接:https://ecomfe.github.io/echarts-examples/public/editor.html?c=geo-map-scatter) var data = [ {name: '海门', value: 9}, {name: '鄂尔多斯', value: 12}, {name: '招远', value: 12}, {name: '舟山', value: 12}, {name:…
Most charts aren’t complete without axes to provide context and labeling for the graphical elements being displayed. This lesson introduces D3’s APIs for creating, customizing, and displaying axes while building on topics from previous lessons. var m…
Integrating D3 with Angular can be very simple. In this lesson, you will learn basic integration as well as how to create D3 charts that can be packaged as AngularJS directives. <!DOCTYPE html> <html ng-app="app"> <head lang="…
最近以来,我使用d3进行我的可视化工具的开发已经3个月了,同时也兼用其他一些图表类库,自我感觉稍微有点心得.之前我也写过相关文章,我涉及的数据可视化的实现技术和工具,但是那篇文章对于项目开发而言太浅了.于是想写关于d3进行项目实战的系列文章,就像我之前的angularjs实战系列文章一样把整个开发过程中遇到的各种问题及解决办法梳理成章,以为留存.作为开篇,我还是想先把这段时间来我一直参考的资料做一个整理,并谈一些宏观的体会. 一.前方有坑,注意! ————————————————————————…
Change is good, but creating from scratch is even better. This lesson shows you how to create DOM elements from D3 and insert them into your document as needed. You’ll officially be on your way to creating data visualizations! d3.select('.title') .in…
Once you can get hold of DOM elements you’re ready to start changing them. Whether it’s changing colors, labels, or even link destinations, this lesson demonstrates the process and patterns for updating the DOM using D3’s powerful APIs. // you will s…
Before you can create dazzling data driven documents, you need to know how D3 accesses the DOM. This lesson will show you the ins and outs of accessing existing DOM elements with D3. var div = d3.select('div'); console.log(div.nodes()); var divLinks…
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <script src="../bower_components/underscore/underscore-min.js"></script> <script src="../v…