highcharts - present halo animation in Highmap -


i'm digging highcharts/highmaps now. need help.

occasion is: when server give me lat/lon information, present halo animation according lat/lon. problem animation.

desired animation this

/*css*/ body {    background-color: black; } #circle-1 {    display: block;    width: 40px;    height: 40px;    border-radius: 40px;    opacity: 0;    animation-name: scale;    animation-duration: 3s;    animation-iteration-count: infinite;    animation-timing-function: linear; } @keyframes scale {    0% {        transform: scale(0.1);        opacity: 0;        box-shadow: 0px 0px 50px rgba(255, 255, 255, 0.5);    }    50% {        transform: scale(0.5);        opacity: 1;        box-shadow: 0px 0px 20px rgba(255, 255, 255, 0.5);    }    100% {       transform: scale(1);       opacity: 0;       box-shadow: 0px 0px 20px rgba(255, 255, 255, 0);    } }  //js var renderer; $(function () {     renderer = new highcharts.renderer(         $('#container')[0],         400,         300     );     drawcircle(); }); function drawcircle(){     renderer.circle(200, 150, 20).attr({         id:'circle-1',         fill: '#fcffc5',         stroke: 'black',         'stroke-width': 1     }).add(); }

this animation far can do, check jsfiddle out. 

html, body {     overflow: hidden;     background: #111; }  .hole {     position: absolute;     top: 50%;     left: 50%;     z-index: 2000; }  {     display: block;     position: absolute;     width: 40px;     height: 40px;     left: 0px;     top: 0px;     border-radius: 40px;     opacity: 0;     animation-name: scale;     animation-duration: 3s;     animation-iteration-count: infinite;     animation-timing-function: linear; }  @keyframes scale {     0% {          transform: scale(0.1);          opacity: 0;          box-shadow: 0px 0px 50px rgba(255, 255, 255, 0.5);     }     50% {          transform: scale(1) translate(0px, -5px);          opacity: 1;          box-shadow: 0px 0px 20px rgba(255, 255, 255, 0.5);     }     100% {          transform: scale(2) translate(0px, 5px);          opacity: 0;          box-shadow: 0px 0px 20px rgba(255, 255, 255, 0);     }  }

i want circle stay right there scaling , opacity change. when apply scale, seems scales according left top corner. sincerely appreciated.

in transform should use original translate position scaled (1 - scale) values, scale(0.1) there translate(180px, 135px), because 180 = 200 * (1 - 0.1) , 135 = 150 * (1 - 0.1).

to same circle use fill gradient like:

fill: {   radialgradient: {     cx: 0.5,     cy: 0.5,     r: 0.5   },   stops: [     [0, 'none'],     [0.5, 'rgba(0,0,0,0)'],     [0.5, 'rgba(255,255,255,0.5)'],     [1, 'rgba(0,0,0,0)']   ] },

example: http://jsfiddle.net/ygzkyv17/

var renderer;  $(function() {    renderer = new highcharts.renderer(      $('#container')[0],      400,      300    );    drawcircle();  });    function drawcircle() {    renderer.circle(200, 150, 40).attr({      id: 'circle-1',      fill: {        radialgradient: {          cx: 0.5,          cy: 0.5,          r: 0.5        },        stops: [          [0, 'none'],          [0.5, 'rgba(0,0,0,0)'],          [0.5, 'rgba(255,255,255,0.5)'],          [1, 'rgba(0,0,0,0)']        ]      },      stroke: 'black',      'stroke-width': 1    }).add();    }
body {    background-color: black;  }  #circle-1 {    display: block;    width: 40px;    height: 40px;        border-radius: 40px;    opacity: 0;    animation-name: scale;    animation-duration: 3s;    animation-iteration-count: infinite;    animation-timing-function: linear;  }  @keyframes scale {    0% {      transform: translate(180px, 135px) scale(0.1);      opacity: 0;      box-shadow: 0px 0px 50px rgba(255, 255, 255, 0.5);    }    50% {      transform: translate(100px, 75px) scale(0.5);      opacity: 1;      box-shadow: 0px 8px 20px rgba(255, 255, 255, 0.5);    }    100% {      transform: translate(0px, 0px) scale(1);      opacity: 0;      box-shadow: 0px 10px 20px rgba(255, 255, 255, 0);    }  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>  <script src="https://code.highcharts.com/highcharts.js"></script>  <div id="container" style="height: 500px"></div>


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