<!DOCTYPE html>

<html>

<head lang="en">

    <meta charset="UTF-8">

    <title></title>

    <script src="../bower_components/underscore/underscore-min.js"></script>

    <script src="../ventor/d3.min.js"></script>

    <style type="text/css">

        body {

            padding-top: 50px;

            padding-left: 100px;

        }

        #chartArea {

            width: 400px;

            height: 300px;

            background-color: #CCC;

        }

        .bar {

            display: inline-block;

            width: 20px;

            height: 75px; /* Gets overriden by D3-assigned height below */

            margin-right: 2px;

            /* fill: teal; *//* SVG doesn't have background prop, use fill instead*/

            z-index: 99;

        }

        .bubble, .center {

            display: inline-block;

            fill: purple;

            fill-opacity: 0.5;

            stroke: black;

            stroke-weight: 1px;;

            z-index: 15;

        }

        .center {

            z-index: 10;

        }

        .active {

            fill: magenta;

            fill-opacity: 0.5;

            stroke-width: 3px;

        }

        .axis path, .axis line {

            fill: none;

            stroke: #000;

            stroke-width: 1px;

            shape-rendering: crispEdges;

        }

    </style>

</head>

<body>

<button onclick="update()">Update</button>

<section id="chartArea"></section>

<script>

    function update(){

        console.log("update");

        _.each(dataset, function(d) {

            d.x = Math.round(Math.random() * 100);

            d.y = Math.round(Math.random() * 100);

            d.r = Math.round(5 + Math.random() * 10);

        });

        svg.selectAll('circle')

                .transition()

                .duration(600)

                .style('fill', "lightblue")

                .attr('cx', function(each_data, index) {

                    return xScale(each_data.x);

                })

                .attr('cy', function(each_data) {

                    return yScale(each_data.y);

                })

                .transition()

                .duration(600)

                .attr('r', function(each_data, i) {

                    return each_data.r;

                });

    }

    var dataset = _.map(_.range(30), function(num) {

                return {

                    x: Math.round(Math.random() * 100),

                    y: Math.round(Math.random() * 100),

                    r: Math.round(5 + Math.random() * 10)

                };

            }), //reandom generate 15 data from 1 to 50

            margin = {top: 20, right: 20, bottom: 40, left: 40},

            w = 400 - margin.left - margin.right,

            h = 300 - margin.top - margin.bottom;

    var svg = d3.select('#chartArea').append('svg')

            .attr('width', w + margin.left + margin.right)

            .attr('height', h + margin.top + margin.bottom)

            .append('g') //The last step is to add a G element which is a graphics container in SBG.

            .attr('transform', 'translate(' + margin.left + ', ' + margin.top + ')'); //Then offset that graphic element by our left and top margins.

    var yScale = d3.scale.linear()

            .domain([0, d3.max(dataset, function(d) {

                return d.y; //tell the max function just need to care about y prop

            })])

            .range([h, 0]);

    var yAxis = d3.svg.axis()

            .scale(yScale)

            .orient('left')

            .ticks(10)

            .innerTickSize(10)

            .outerTickSize(10)

            .tickPadding(10);

    svg.append('g')

            .attr('class', 'y axis')

            .attr('transform', 'translate(0,0)')

            .call(yAxis);

    var xScale = d3.scale.linear()

            .domain([0, 100])

            .range([0, w]);

    var xAxis = d3.svg.axis()

            .scale(xScale)

            .orient('bottom')

            .ticks(10)

            .innerTickSize(6)

            .outerTickSize(12)

            .tickPadding(12);

    svg.append('g')

            .attr('class', 'x axis')

            .attr('transform', 'translate(0, ' + h + ')')

            .call(xAxis);

    svg.selectAll('circle')

            .data(dataset)

            .enter()

            .append('circle')// svg doesn't have div, use rect instead

            .attr('class', "bubble")

            .attr('cx', function(each_data, index) {

                return xScale(each_data.x);

            })

            .attr('cy', function(each_data) {

                return yScale(each_data.y);

            })

            .attr('r', function(each_data, i) {

                return each_data.r;

            })

            .on('mouseover', function() {

                d3.select(this).classed('active', true)

            })

            .on('mouseleave', function() {

                d3.select(this).classed('active', false)

            })

            .on('mousedown', function(d) {

                var p_cx = d.x, p_cy = d.y, p_r = d.r;

                d3.select(this).transition().duration(500).attr('r', d.r * 1.5);

                svg.append('circle')

                        .attr('class', "center")

                        .attr('cx', function() {

                            return xScale(p_cx);

                        })

                        .attr('cy', function() {

                            return yScale(p_cy);

                        })

                        .attr('r', function() {

                            return p_r / 4;

                        })

                        .style('fill', 'red');

            })

            .on('mouseup', function(d) {

                d3.select(this).transition().duration(250).delay(100).attr('r', d.r)

            });

</script>

</body>

</html>

[D3] 12. Basic Transitions with D3的更多相关文章

  1. [D3] 11. Basic D3 chart interactivity on(), select(this), classed(class, trueorfalse)

    <!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8&quo ...

  2. [D3] 10. Creating Axes with D3

    <!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8&quo ...

  3. [D3] Create Chart Axes with D3 v4

    Most charts aren’t complete without axes to provide context and labeling for the graphical elements ...

  4. [D3] Animate Chart Axis Transitions in D3 v4

    When the data being rendered by a chart changes, sometimes it necessitates a change to the scales an ...

  5. [D3] Reuse Transitions in D3 v4

    D3 transitions start executing as soon as they’re created, and they’re destroyed once they end. This ...

  6. [D3] Animate Transitions in D3 v4

    D3 makes it easy to add meaningful animations to your data visualizations. Whether it’s fading in ne ...

  7. [D3] Basic Interactivity with D3 v4

    Data visualizations are a lot more interesting when they’re interactive. Whether it’s clicks, roll o ...

  8. [D3 + AngularJS] 15. Create a D3 Chart as an Angular Directive

    Integrating D3 with Angular can be very simple. In this lesson, you will learn basic integration as ...

  9. d3可视化实战00：d3的使用心得和学习资料汇总

    最近以来,我使用d3进行我的可视化工具的开发已经3个月了,同时也兼用其他一些图表类库,自我感觉稍微有点心得.之前我也写过相关文章,我涉及的数据可视化的实现技术和工具,但是那篇文章对于项目开发而言太浅了 ...

随机推荐

  1. Install SharePoint 2013 on Windows Server 2012 without a domain

    Any setup of Team Foundation Server is not complete until you have at least tried t work with ShareP ...

  2. KEIL4.12中添加ULINK2的支持

    转载自:http://www.amobbs.com/thread-4767650-1-1.html 如果你用KEIL4.12,但却没有Ulink2下载器,只有早先用的Ulink下载器,那么你按照下面三 ...

  3. 事件tou

    #define EV_TIMER_RESOLUTION 1 /* 1 msec */ #define EV_READ_EVENT EPOLLIN #define EV_WRITE_EVENT EPOL ...

  4. bzoj 3283: 运算器 扩展Baby Step Giant Step && 快速阶乘

    3283: 运算器 Time Limit: 20 Sec  Memory Limit: 256 MBSubmit: 184  Solved: 59[Submit][Status][Discuss] D ...

  5. Why longest path problem doesn't have optimal substructure?

    We all know that the shortest path problem has optimal substructure. The reasoning is like below: Su ...

  6. 纯js将form表单的数据封装成json 以便于ajax发送

    使用方式: var json = form2Json("formId");//这里的参数是form表单的id值 form2json.js function form2Json(fo ...

  7. 【网络流24题】No.4 魔术球问题 （二分+最小路径覆盖）

    [题意] 假设有 n 根柱子, 现要按下述规则在这 n 根柱子中依次放入编号为 1, 2, 3, ¼的球.( 1)每次只能在某根柱子的最上面放球.( 2)在同一根柱子中,任何 2 个相邻球的编号之和为 ...

  8. 方便的Chrome取色插件ColorPick Eyedropper [设计, FE必备]

    最近在和Design合作开发, 她发过来的原型图有各种各样色配色, 不想让她一个一个地标记颜色, 嫌效率低. 于是自己找到一款方便的Chrome取色插件, 叫做ColorPick Eyedropper ...

  9. 2.linux下Makefile编写规范

    转自陈皓 (CSDN) 概述—— 什么是makefile?或许很多Winodws的程序员都不知道这个东西,因为那些Windows的IDE都为你做了这个工作,但我觉得要作一个好的和 profession ...

  10. 【HDOJ】3315 My Brute

    几乎与2853相同,MCMF. /* 2853 */ #include <iostream> #include <string> #include <map> #i ...