<!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. 【转载】C# Tutorial - Simple Threaded TCP Server

    http://tech.pro/tutorial/704/csharp-tutorial-simple-threaded-tcp-server In this tutorial I'm going t ...

  2. leetcode第四题：Median of Two Sorted Arrays （java）

    Median of Two Sorted Arrays There are two sorted arrays A and B of size m and n respectively. Find t ...

  3. leetcode 第二题Add Two Numbers java

    链接:http://leetcode.com/onlinejudge Add Two Numbers You are given two linked lists representing two n ...

  4. 致命错误： Python.h：没有那个文件或目录

    In file included from greenlet.c:5:0: greenlet.h:8:20: 致命错误: Python.h:没有那个文件或目录 编译中断. error: Setup s ...

  5. ORACLE 定时任务JOB

    http://www.cnblogs.com/xclw/archive/2009/12/04/1616945.html

  6. Java 声明和访问控制（三） finalize方法 成员访问修饰符

    finalize()方法是Object类的一个方法,在垃圾回收器执行的时候,会调用被回收对象的此方法,可以覆盖此方法提供垃圾收集时的其他资源的回收,例如文件关闭等. 成员访问修饰符: 默认访问:包访问 ...

  7. [wikioi]乌龟棋

    http://wikioi.com/problem/1068/ 多重背包.边界f[0,0,0,0]=a[1](初始时没有用任何卡片,获得棋盘第一格的分数)DP方程:f[i,j,k,l]=max(f[i ...

  8. ANDROID_MARS学习笔记_S02重置版_001_Hander\Looper\Message\Thread\ThreadLocal

    一. * class LooperThread extends Thread { * public Handler mHandler; * * public void run() { * Looper ...

  9. Android开源项目发现---ViewPager 、Gallery 篇（持续更新）

    1. Android-ViewPagerIndicator  鼎鼎大名,配合ViewPager使用的Indicator,支持各种位置和样式 项目地址:https://github.com/JakeWh ...

  10. eclipse环境NDK问题汇总

    1. 配置NDK路径设置 可以在cygwin中通过vim修改,也可以在windows安装目录中修改 home\<你的用户名>\.bash_profile 文件中最后添加环境变量 NDK=/ ...