best d3 visualizations

[D3.js] SVG-Axes (coordinate axis)Axis D3 Axis components are designed for D3 quantitative, time, and ordinal scales. # D3.svg. axis () create a default axis. # The aixs (selection) axis applies to selection or transition. The selector must contain an svg or g element. For example,

categories: vector graphics, text, and reference bitmap. The common examples are as follows: Vector Graphics: SVG, rect, circle, ellipse, path, line ), ploygon, title, DESC, G, and defs ). Text: Text, anchor () Reference bitmap: image (image element) These elements are simple and can be understood simply by reading the document, but I personally think they are worth mentioning as follows: The path function of SVG is powerful, and almost any image can be implemented. Coupled with the loss

First, put the effect map out: With a histogram of the basic elements: column, axis, scale, value and so on. It has to be said that D3.js is more troublesome than the echarts of direct use, but it is more free. Let's see how it's going to happen. Determine the size of the canvas var width = 400; var height = 400; Add an SVG canvas to the body-var svg = D3.select ("Body"). Append ("SVG"). attr ("wi

There are many parameters in the layout of the mechanics diagram, and this article will describe them individually.The Mechanics diagram layout in D3 is calculated using the Verlay integral method, which is a numerical method for solving Newton's motion equations and is widely used in molecular dynamics simulations and video games. The code that defines the layout is as follows:var force = D3.layout.force (

Summary:Animation Class APIFirst, the API uses1.1 d3.ease1.2 D3.timerStart a custom animation timer, invoking the specified function repeatedly until it returns true. There is no-to-cancel the timer after it starts, so make sure your timer function returns True when done!The animation begins the action, knowing that the method returns true before it stops. The animation cannot be stopped manually after it s

Source:var τ= 2 * MATH.PI;D3.layout.chord =function() { varChord = {}, chords, groups, Matrix, n, padding = 0, Sortgroups, sortsubgroups, sortchords; functionrelayout () {varsubgroups = {}, groupsums = [], Groupindex = D3.range (n), Subgroupindex =[], K, X, x0, I, J; Chords= []; Groups= []; K= 0, i =-1; while(++i N) {x= 0, J =-1; while(++j N) {x+=Matrix[i][j]; } groupsums.push (x); Subgro

DOCTYPE HTML>HTMLclass= "Um landscape min-width-240px min-width-320px min-width-480px min-width-768px min-width-1024px"> Head> title>title> MetaCharSet= "Utf-8"> Metaname= "Viewport"content= "target-densitydpi=device-dpi, Width=device-width, initial-scale=1, User-scalable=no, minimum-scale=1.0, maximum-scale=1.0 "> Linkrel= "stylesheet"href= "Css/fonts/font-awesome.min.css"> Linkrel= "stylesheet"href= "Css/ui-box.css"> Linkrel= "stylesheet"href= "Css/

Mechanical diagram (Force roadmap) combines the common people's life in the diagram, which is more interesting.This article will take this as evidence of how the graph is inserted into the external image and the mechanics of the text.One of the simplest mechanics diagrams is produced in Chapter 9.2. After a lot of friends have questions, the basic questions include: How to insert text next to a ball How to change a ball to another shape How to insert a picture How to limit t

My personal blog: www.ourd3js.comCSDN Blog for: blog.csdn.net/lzhlzzReprint please indicate the source. Thank you.This section of layout makes a pie chart. In the 9th section, the function of Layout is simply to transform data into data that is unsuitable for graphical data. Now use the following data:var DataSet = [30, 10, 43, 55, 13];This data should not be used directly in the appeased chart, we must convert it to an angle by calculation. This calculation does not need to be calculated manual

(). Duration(+). Delay ($)Thus, the overall graph changes after a delay of 500 milliseconds, with a change of 1000 milliseconds. Therefore, the total duration of the transition is 1500 milliseconds.Another example is when you specify a graphic (the data is bound to a graph):. Transition (). Duration(+). Delay (funtion (d,i) { return200 *i;})So, assuming there are 10 elements, then the 1th element is delayed by 0 milliseconds (because i = 0), the 2nd element is delayed by 200 milliseconds, th

It is more interesting to combine the Mechanics Diagram (Force guide diagram) with the common figure diagrams in life. In this paper, we will explain how to insert external pictures and text in mechanics diagram.One of the simplest mechanics diagrams is produced in Chapter 9.2. Many of our friends have questions, and the main questions are: How to insert text next to a ball How to change a ball to another shape How do i insert a picture How to limit the boundary of ball moti

D3.js is also a JavaScript framework, like jquery, except that his specialty is in the data visualization of this piece. So don't think the D3 is so complicated. In the above code we can see some of the uses of D3:Select element:d3.select ("element"), this is the $ () in jquery, but not in shorthand form.After creating and adding a new element to the selected ele

Objective In a nutshell, D3.js,d3.js is a JavaScript library based on data manipulation documents. D3 helps you to bring energy to your data by using HTML, SVG, and CSS. D3 values Web standards to provide you with the full functionality of modern browsers, rather than giving you a proprietary framework. Combines power

Since the D3 class library and array are closely related, it is necessary to discuss the data binding in D3 and how to operate inside the array.Arrays in the 1.D3Like other programming languages, D3 array elements can be types such as numbers or characters, such as:SOMEDATA=[20,36,48,59,600,88];In addition, considering the convenience of JSON data in network tran

zooming (zoom) is another important visual operation, mainly using the mouse's scroll wheel.1. Definition of ZoomScaling is defined by D3.behavior.zoom ().var zoom = D3.behavior.zoom (). scaleextent ([1, ten]). On ("Zoom", zoomed), function zoomed () {circles_group.attr (" Transform "," translate ("+ d3.event.translate +") scale ("+

Vue is the front-end framework for a data-driven view that can be used as a reusable componentD3 is the data visualization JavaScript libraryD3.js Foundation1. learn the grammar of D3.jsGrammar is required, it is recommended to go to the official website to learn its grammar, if possible, it is best to understand the functional programming curry and compose thought, do not recommend to start to contact the large number of online demo.2. Learning

Use angular resource to load the JSON data in the Prioritydata.json and draw a doughnut chart with D3. Run index.html results:The JSON data in Prioritydata.json is as follows:{"Priority ": { "blocker": " Critical":, "Major": 5, "Minor": +, " Trivial": $}}The index.html code is as follows:D3 Tagged donut chart example using angular directive and JSON data

;var height = 300;var svg = d3.select ("Body"). Append ("SVG"). attr ("width", width). attr ("height", height);And then add the text, with the text element, so we're familiar with the code:var text = svg.append ("text"). attr ("x", "+"). attr ("y", +). attr ("Font-size", "attr"). Text ( STR);The results are as follows:As you can see, the contents of the text element label have the entire string, but because SVG has a width of only 300, it does not sho

The advanced series of tutorials has been completed and is hereby summarized.At the beginning of the month, I said the end of the advanced tutorial, today is the last day, can be done. O (∩_∩) o~As a result, the tutorials for the "Getting Started"-"advanced"-"premium" three series are complete. The purpose of this tutorial is to provide a network of free learning series, I hope you can enjoy.In the process of writing the article, the author's understanding of

In the "Advanced-Chapter 1.0" explains how to use the text and Tspan in SVG to achieve the function of line wrapping, this article on this feature is encapsulated, can be used directly later.1. Reference JS file: Multext.jsAfter downloading, refer to the or directly through the URL reference:Of course, to use this file, you should also refer to the D3 library:2. Parameters of the functionOnly one function Appendmultitext () is implemented in the file,