Technical Science: Nikon D3's Quick Start
ByAndy YangIssue a table before 1 month
(Slide your mouse over the image side to side for animation)
Operation Method: move the mouse to the left or right of the animation to see the animation.
The above video, which seems to have been shot with a high-speed camera, is actually the result of the cooperation between two filmmakers, Marianne Oelund and Jeffery Friedl. Marianne is the creator of the original
It is also not difficult to draw a horizontal histogram, first inserting a G in SVG and then inserting a rect in G.1.html CodeDOCTYPE HTML>HTML> Head> MetaCharSet= "Utf-8" /> title>title> Head> Body> DivID= "Container">Div> Body> Scripttype= "Text/javascript"src= "Js/d3.js" >Script> Scripttype= "Text/javascript"src= "Js/shuzhuangtu.js" >Script>HTML>2.js Codevardata = [1,3,4,6,2,9,7,3,8],bar_height= 50, Bar_paddin
Randomly generated data var rand = D3.random.normal (0,25) var dataset = [];for (var i = 0;i A histogram data conversion function:Data conversion var bin_num = 15var Histogram=d3.layout.histogram () . Range ([ -50,50])//Interval range . Bins (Bin_num)///number of separators . Frequency (True)//true: number of statistics; false: Statistical probability var data = histogram (dataset); Console.log (da
Column chart is one of the simplest visual icons, mainly composed of rectangles, text labels, and axes. For the sake of simplicity, this article draws only the rectangular parts to illustrate how to use D3 to draw in the SVG canvas.First, what is the canvas?The first few chapters of the processing objects are HTML text, no graphics involved in the production.To draw, the first thing you need is a drawing of the "canvas".HTML 5 provides two powerful "c
EXTJS and D3 are both powerful. If you do not want to explain them, put the D3 plot directly into an ext tab and directly add the Code:
It can be used to draw a topology.Ext. define ('EB. view. content. singleview ',{Extend: 'ext. panel. Panel ',Alias: 'widget. singleview ',
Layout: 'fit ',
Title: 'Single view ',
InitComponent: function (){This. callParent (arguments );},
OnRender: function (){Var me = this
Update, Enter, Exit are three very important concepts in D3, which deal with situations where the selection set and the number of data relationships are uncertain.First, what is Update, Enter, ExitSvg.selectall ("rect") // Select all rectangles within SVG . Data (DataSet) // bound array . Enter () // Specify the Enter portion of the selection set . Append ("rect") // Add a sufficient number of rectangular elements This c
summarize the installation process for a D3.js deployment node environmentPreparation phase:first, the computer to install the node environment, this stage filtered out, if the node environment is not installed, then do not play based on the node environment and other things. Build the Environment:I create a project directory D3node in my own F: System disk, and then create a Package.json file that is configured insideWhere: The Dependencies field des
D3 New Topic Homepage
In a blink of an eye, this introductory series has accumulated more than 22 articles, I think as d3.js this data visualization tool is enough to get Started. I believe just to read this Series. It is possible to complete most of the visualization work in the future with the aid of Queries.D3.js's Earliest v1.0 version was announced by Michael Bostock on February 18, 2011, after s
We don't say much, this article mainly introduces the use of D3.js packaging text to achieve the function of automatic line-wrapping, let's take a look together.
I. Referencing multext.js documents
Multext.js
function Appendmultitext (container, str, POSX, posy, Width, fontsize, fontfamily) {if (Arguments.length
Can be saved as later, referenced in the label:
Of course, to use this file, refer to the
I. Introduction to Histograms
A histogram is a way of analyzing a photograph, representing the brightness horizontally, representing the number of pixels vertically. First, the brightness of all the pixels in the photo is analyzed, then the specific values are calculated and then mapped to the horizontal axis. In this case, the higher the number of pixels on this brightness.
The histogram of the viewing rule is "left black right white", the left represents the dark part, the right side represe
My personal blog is: www.ourd3js.com
The csdn blog is blog.csdn.net/lzhlzz.
Please indicate the source for reprinting. Thank you.
In section 3rd, an icon is created, but a corresponding coordinate axis is not added for it, so you do not know how long each column is. Create an axis for this section.
The axes in D3 all appear in the form of svg graphs, which is why the svg method is used for column embedding in section 3rd. In section 4th, we explain t
The histogram is used to describe the probability distribution of narration, and D3 provides a histogram layout histogram used to transform the data.Suppose there is an array a = [10, 11, 11.5, 12.5, 13, 15, 19, 20], and now the range of values of 10~20 is divided into 5 segments, namely:10~12, 12~14, 14~16, 16~18, 18~20So what is the value of array a that falls in that section of the region? After calculation, we can know that the number of elements
function is used, the converted Beijing coordinates can be plotted directly on the map.2. How to mark on the map of D3First, define a projection function as follows.var projection = D3.geo.mercator (). Center ([107, +]). Scale (+) . Translate ([WIDTH/2, HEIGHT/2]);Second, use this projection to define the geographic path builder D3.geo.path, which is used to draw the map.var path =
AngularJS2 integrates with D3.js to implement custom visualization. angularjs2d3. js
This article describes how ANGULAR2 integrates with D3.js to implement custom visualization:
Target
Separation of presentation layer and logic layer
Data and visualization components separated
Two-way binding of data and views, real-time update
Clear code structure, easy to maintain and modify
Basic Principles
Ang
First make a dynamic column chart (the version of D3.js used here is V3, some functions will change with V4):Code:Now add the mouseover and mouseout events like this dynamic column chart.Practice:1. Remove the style from the style. MyText class that adds a color attribute directly when adding a rectangle2. Add an event when adding a rectangle...//adding rectangles and text elements varrectpadding = 4; varRects = Svg.selectall (". Myrect "). Data (D
My personal blog is: www.ourd3js.comCSDN Blog for: blog.csdn.net/lzhlzzReprint please indicate the source, thank you.The 3rd section makes an icon, but does not add a corresponding axis for it, so you don't know how long each bar is. This section makes an axis.The axes in D3 are in the form of SVG diagrams, which is why the method of SVG is used in the 3rd section to do column charts. In the 4th section, we explain the usage of scale, and we need to u
Enter-update-exit mode
Select.data (data), which represents the intersection of the selection graph with the data->update ModeSelect.data (data). Enter () to exclude the intersection of selection graphics with data data on behalf of data->enter ModeSelect.exit, removes all data, representing parts of the selection graph->exit ModeE-U-E is the foundation of D3.jsArray Data binding
var data=[10,15,24,46,13,6,96,12,44,61,17];function render (
In the official website you can see a lot of examples. But the favorite is Mbostock's http://bl.ocks.org.And then there are the others:It looks cool--http://www.visualcinnamon.com/portfolioThe simplest and easiest to use--http://www.ourd3js.com/Easy to use small supplement--http://blog.csdn.net/tianxuzhang/article/You can change your code. Official Manual--https://github.com/d3/d3/wiki/api--Chinese ManualAl
If you are interested in D3.js or data visualization, welcome to www.ourd3js.com for discussion.
Next I will discuss how to select elements and use data.The page now contains three lines of text with the code:
Hello World 1Hello World 2Hello World 3
Defines a set with three elements:
var set = ["I like dog","I like cat","I like snake"];
Use these three strings to give the preceding three strings respectively.
The Code is as follows:
Var sp =
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