best d3 visualizations

My personal blog is: www.ourd3js.com The csdn blog is blog.csdn.net/lzhlzz. Please indicate the source for reprinting. Thank you. As mentioned above, the text is processed. In this section, D3.js is used as a simple column chart. There are many ways to create a column chart, such as using HTML div labels or svg. SVG is recommended for various graphics. SVG indicates Scalable Vector Graphics. SVG defines images in XML format. If you are not clear about

My personal blog is: www.ourd3js.comCSDN Blog for: blog.csdn.net/lzhlzzReprint please indicate the source, thank you.In the previous sections, all the text is processed, and this section will use D3.js to make a simple column chart.There are many ways to do a column chart, such as using an HTML div tag, or using SVG.It is recommended to use SVG to do all kinds of graphics. SVG means scalable vector graphics (Scalable vector graphic), SVG uses XML form

My personal blog is: 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 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 manually b

": +, "target": +, "value": 3}, {"source": +, "target": +, "value": 3}, {"source": +, "target": $, "Value": 5}]}The data consists of two parts, point (nodes) and edge (links), and the value of source and target represents the element that corresponds to the value subscript of the nodes array.Note that regardless of how many attributes the nodes element has, both source and target temporarily point to the person's name, such as Source 1 Target0, which represents Napoleon and Myriel connectionsBy

My personal blog is: www.ourd3js.comCSDN Blog for: blog.csdn.net/lzhlzzReprint please indicate the source, thank you.A cluster diagram (Cluster) is typically used to represent hierarchies, subordinates, inclusions, and contained relationships.Now we give the data and visualize it. The contents of the data are: some of the provinces contained in China, some of the cities included in the provinces. We say that the data file is written in a JSON file and then read with

D3 provides 4 ways to make a transition to a graph:-Transition ()Starts the transition effect, before and after the shape changes before and after the state (shapes, positions, colors, and so on), such as:. attr ("Fill", "red") // initial color is red . Transition () // start transition . attr ("Fill", " Blue ") // End ColorD3 automatically interpolates the color values (RGB values) between the two colors (red and blue) to

() when the corresponding element is too large (the number of bound data When the corresponding element is too large, it is usually necessary to delete the element so that it is equal to the number of bound data. The back is usually followed by the remove operation.Here's a look at the specific usage:[JavaScript]View PlainCopy The above code uses the variable name update and enter respectively to represent the respective part, the result of the above code is:The resu

[D3.js getting started series-10.3] Difference and connection between GeoJSON and TopoJSON files, geojsontopojson My personal blog is: www.ourd3js.com The csdn blog is blog.csdn.net/lzhlzz. Please indicate the source for reprinting. Thank you. A friend left a message a few days ago asking about the relationship between the GeoJSON file and the TopoJSON file. I am not very clear about it. After some queries, I will sort them out as follows. I hope you

If you are interested in D3.js or data visualization, welcome to www.ourd3js.com for discussion. My blog homepage is: http://blog.csdn.net/lzhlzz, reprinted please indicate the source, thank you. In D3.js, there are two functions for selecting elements: select and selectAll. First, describe their differences: Select is the first choice for all specified elements. SelectAll is to select all the specifie

My personal blog home: http://www.ourd3js.com/, csdn Blog home for: http://blog.csdn.net/lzhlzz/.Reprint please indicate the source, thank you.In D3.js, there are two functions for selecting an element: Select and SelectAll.Let's start by explaining their differences: Select is the first selection of all specified elements SelectAll is the selection of all of the specified elements (to be used at the same time later) Consider a detai

Preface: In the blink of an eye, the internship has been nearly a week, in this period of time in contact with a lot of fresh language, learning a lot of new technology, in this summary comb, hope to have some help for other beginners, not the right place, please more adviceThe main framework of the project is node. JS Express, which uses leaflet and D3 to use jquery Ajax in database query delivery.Now the completion of the work is: equipped with the

Interested friends Welcome to http://www.ourd3js.com/DiscussionNow let's start with D3.js to deal with the first simple question, and look at the following code:If you have studiedHTML, you should know that two lines of text will be printed on the screen, such as:If you want to useJavaScriptTo change these two lines of text, what to do? We will add the code into:The result becomes: As you can see, using JavaScript, we've added 4 lines of code, and if

Objective Having learned about the basic development and components of d3.js, we began to apply its exciting point: gorgeous predefined graphics, the application of d3.js, we in its sample files based on a little change can be applied to our data visualization, d3.js the background of the operation has been predefined, we need only a small number of code and spe