d3 time series

[D3.js entry series, d3.js entry series My personal blog is: www.ourd3js.com The csdn blog is blog.csdn.net/lzhlzz. Please indicate the source for reprinting. Thank you. Pack is used to contain the relationship with the object to be included. It also indicates the weight of each object. A circle is usually used to repr

[D3.js pro series-1.0] Reading CSV table files, d3.jscsv In the tutorials of the Getting Started series, we often use d3.json () functions to read files in json format. The json format is very powerful, but it may not be suitable for common users. Common users prefer table f

[D3.js advanced series-8.0] marking and d3.js series 8.0 Marking Sometimes, you need to draw a line on the map, which means "from somewhere to somewhere". In this case, the line drawn on the map is called "". 1. What is the marking line? A baseline is an element on a map that requires more than two coordinates. For ex

Learning D3.js (hereinafter referred to as D3) also has a period of time, run D3 do a few projects. I found that Chinese D3 tutorials very few, foreign materials but require a certain degree of English reading ability (recommended site: Http://bl.ocks.org/mbostock), so the g

[D3.js advanced series-1.2] solution for garbled characters when reading CSV files, d3.jscsv When d3.csv is used in D3 to read CSV files, garbled characters may occur. How can this problem be solved?1. garbled Problem When reading the xxx.csv file using

[D3.js advanced series-1.1] Reading of other table files, d3.js1.1 CSV table files use commas as unit delimiters, other TSV files with Tab as unit delimiters, and table files with other manually defined delimiters. This article describes how to read them in D3.1. What is a TSV table file? TSV (Tab Separated Values), tabulation delimiter value, which is different

[D3.js advanced series-6.2] drag and drop a pie chart, d3.js6.2 This article describes a more complex drag-and-drop application, that is, the drag-and-drop Pie Chart Section. In Chapter 9.1, I will explain how to create a pie chart. Each part of a pie chart is represented by an arc with width. When interacting with users, it is interesting to drag and drop each

[D3.js advanced series-6.0] Drag and drop applications (Drag) and d3.jsdrag Drag (Drag) is an important interactive method. This article describes how to use Drag and drop.1. Definition of drag D3.behavior. drag () can be used in D3 to define the drag behavior. var drag =

[D3.js advanced series-4.0] Draw arrows, d3.js4.0 Drawing in the SVG drawing area, when drawing a line and curve, you often need to add an arrow somewhere. This article describes how to add arrows to straight lines and curves in D3. So far, we have drawn D3 charts in the S

[D3.js pro series-4.0] matrix tree, d3.js4.0 A matrix tree (Treemap) is also an extension of hierarchical layout. areas are divided into rectangular sets based on data. The size and color of the rectangle are the reflection of data. As shown in figure 1, many portal websites arrange photos in rectangles of different sizes. This is the application of the matrix tr

[D3.js advanced series-10.0] Mind Map, d3.js10.0 The nodes of the Mind Map have hierarchical and affiliation relationships, which are similar to the shapes in which branches stretch from the trunk. As mentioned above, five layout and cluster layout are expanded by hierarchical layout) the layout chart has a "Tree" structure ". Therefore, you can use these two la

[D3.js advanced series-3.0] partition graph, d3.js3.0 The Partition graph is also a Layout of D3 ). This layout is very interesting. It can be made into a square or a circle. This article first introduces how to create a square partition graph, which is also the most basic form of a partition graph. A partition chart

[Advanced series of D3.js-5.0] histogram, d3.js5.0 The Histogram is used to describe the probability distribution. D3 provides the Histogram layout Histogram for data conversion. Suppose there are arrays a = [10, 11, 11.5, 12.5, 13, 15, 19, 20 ~ The value range of 20 is divided into five segments: 10 ~ 12, 12 ~ 14, 14

[D3.js advanced series-9.0] interactive prompt box, d3.js9.0 In general, too many texts should not exist in charts. However, sometimes some text is required to describe certain graphic elements. Then, you can implement an interaction: When you move the mouse to a certain graphic element, a prompt box appears, containing the description text. This is a simple, uni

[D3.js advanced series-1.0] text line feed and d3.js line feed Adding text in SVG uses text elements. However, this element cannot be automatically wrapped, and the excess content cannot be displayed. What should I do? Preface to the advanced series Start to write Advanced series