d3 js charts

# # # DEMO1 Features * * * Support node drag and Drop * Support node drag and hold position * Support mouse floating to node display node information * Support mouse floating to node hide unrelated nodes and lines * Support canvas Overall zoom move # # # Demo2 function * * * support node drag and Drop * Support node drag and hold position * Support mouse floating to node display node information * Support double node hide unrelated nodes and lines can accumulate double-click Nodes * Su

) . attr ("height", height);-First circle, required to move x-coordinatevar circle1 = svg.append ("Circle"). attr ("CX"). attr ("Cy"). attr ("R", "G") . Style ("Fill", "green"); // changes the center coordinate from 100 to 1 seconds (1000 milliseconds) circle1.transition () . Duration() attr ("CX", 300);-The second circle, which requires both moving the x-coordinate and changing the colorvar circle2 = svg.append ("Circle"). attr ("CX"). attr ("C

() 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

It is not difficult for d3.js to draw a vector chart. it is difficult to drag and drop it. In fact, jquery and easyui both provide the draggable drag and drop method, you only need to re-draw the line when dragging the drop event of a div. It is not difficult for d3.js to draw a vector chart. it is difficult to drag an

Use D3.js Library to implement Focus+context line chart, read DATA.TSV file dataIndex.htmlAs follows: Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced. "D3.js" Focus + Context Line chart

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

As above is a pie chart:The code is as follows:About XML constructs for pie graphs:Forgot to upload the js file before ...http://yun.baidu.com/share/link?shareid=648486741uk=3341728381Demo There are some examples, but the inside of the JS is not supported in Chinese, used in the outside of JS Copyright NOTICE: This article for Bo Master original article, without

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