d3 js book

Using D3,JS to visualize data, you can separate the data from the code and make it easier to modify the data later.This time using D3.js to draw a five-D radar chart that will compare the five properties of multiple objects on a single graph.The data is written to the Data.csv, and the data type is written to the Type.

In the previous section we learned how to rotate x-axis labels and custom label content, and in this section we will touch Animations (transition)First, we're going to add a button to the page that calls our animations when we click on this button. So, we also need to add two things on the original basis.Add a button"option" >"UpdateButton" type="button" value="Update" onclick="UpdateData ()"/> Add an animation functionfunction UpdateData () { Get the data again

D3.js is a strong data visualization js tool. Use it to draw a map of China, as shown in: The source code is as follows:

First we need to understand how to draw arrows in SVG:Write a pair of ViewBox The area of the coordinate system reFX, Refy The datum point within the ViewBox, which is plotted at the end of the line (note case). Markerunits A datum with a size of two values: strokewidth (width of line) and Userspaceonuse (the size of the front of the graph) Markerwidth, Markerheight Size of the identity Orient D

D3.js is a relatively strong data visualization JS tool. Use it to draw a map of China, as shown here:The source code is as follows:

D3.js SelectAll () function and enter () function

); (2-6) The child node of the collapsed node shrinks back var nodeexit = Node.exit (). Transition (). Duration (duration). attr ("Transform", function (d {return "translate" ("+ Source.y +", "+ source.x +") "; }). Remove (); Nodeexit.select ("Circle"). attr ("R", 1e-6); Nodeexit.select ("text"). Style ("Fill-opacity", 1e-6); (2-7) data connection, according to the target Node ID binding data var link = svg.selectall ("Path.link"). Data (links, function (d) {return d.target.id;})

My personal blog is: www.ourd3js.comCSDN Blog for: blog.csdn.net/lzhlzzReprint please indicate the source, thank you.The GeoJSON file was used when making a map of China. Later I found that the file was too large for 2,364 KB, and of course this ensures that the map is accurate, but we don't usually need that exact boundary, so it's necessary to narrow it down. Fortunately, there have been predecessors to do this work, really walnuts, posterity, here to express our thanks.Conversion method:1. Op

Static bookshelves and js simulate the book flip effect, js book flip Book pictures can be found at will, a little ugly, you need to replace yourself with a nice png format picture Source code download: http://download.csdn.net/detail/sweetsuzyhyf/7604091 How does

Use Turn. js to parse book turning results and use turn. js to book turning Recently, I am a project trainer from the project manager. The project requirement is to achieve the effect of turning books. After seeing this requirement, I am really sorry. I am a java programmer, this problem is really difficult for me. Lat

In the previous section, we talked about the Library management system login, I believe that we have a jade template and angular JS also have a understanding, today we look at a book information input. Here we are going to use the NoSQL database, which is used by MongoDB in this blog post. Ok. Mongo DB Installation I don't have to say much, then the node. JS Plat

Today is a good gas, recently hung up some interview after a slight loss of mood.God Horse is a cloud, to always do the world second.No more, you ask me why the mentality has changed. -------are feelings,.Well, I'm studying node recently.People ask, you have this level of node ...hahaha, so sad ....Don't mention it.God Horse modular God horse is not much to say, on a module.export and export differences, the latter object of the property belongs to the former, inverse proposition is not establis

I saw the book information on the website of Tsinghua University Press. The specific address is: http://www.tup.tsinghua.edu.cn/book/Showbook.asp? CPBH = 056140-01 DJ = 51 It is expected that the product will be available by the end of March by the end of April 1.Book details: ISBN: 9787302353393Pricing: 51 RMBPrint: 1-1Frame loading: Flat LoadingPrinting date:

This article introduces the JS implementation of the Baidu map also shows a number of road book effect, mainly to the bicycle return location as an example, the specific code is as follows: Launch path book: var bmaplib = window. Bmaplib = Bmaplib | | {}; (function () {var b, a = b = A | | {version: "1.5.0"}; A.guid = "$BAIDU $"; (function

As a JS programmer, I am responsible for saying that the 1st version of this book is outdated. This book is in version 2nd. Based on the actual JS development requirements in the work of the Yahoo front-end team, the author deeply shares the knowledge of the JS language in

ObjectiveFunctional programming is a way for you to write smarter code that reduces complexity and enhances modularity. It is a way to write concise code by deftly changing, combining, and using functions. JavaScript provides a great way to implement these. Javascript, the scripting language of the Internet, is actually a functional language at its core. By learning how to reveal its true identity as a functional language, we can implement powerful, maintainable, and more reliable web applicatio

This is not the content of my project, because colleagues in the iphone mobile needs to achieve this book-flipping effect, the parsing of the text of the file using HTML, and the iphone mobile side This effect appeared some bugs, difficult to solve, consider having JS write one, and then use the mobile side. So I looked at it, it was very interesting, and share with you:Here you need a jquery plugin turn.js

Stream.js. Want a functional helper to complement jquery? Try Underscore.js. Need a strictly specific polymorphic structured environment? Look at Bilby.js. Functional programming tools that need to be exhaustive? Use Lazy.js. With all this? You write one yourself. Any library is only good at the way it is used. Although there are few shortcomings in the library mentioned in this chapter, most errors will occur inadvertently. It depends on whether the library you have chosen is correct and meets

1. In general, the script element should be placed in the head tag, but for a number of pages that require a lot of JS code, in order to make the browser does not feel the JS code loading has a noticeable delay, put the scirpt element in the body tag.2. Use the SRC attribute in the script element to refer to the trusted external domain JS file, for example: Day3

Recently every day to take time to see the Rhino book, obviously can feel and before the time there is a difference, reading ability and experience has a great promotion, previously did not understand some of the knowledge, there are some hidden in the details of knowledge, now can be realized. 1, Packaging objects Temporary packaging objects The JS data type is divided into the original data type and the