svg circle with text

forked from lindep's block: arc with datum

forked from lindep's block: svg circle with text

<!DOCTYPE html>
  <head>
    <meta charset="utf-8">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
    <style>
      body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
      svg { width: 100%; height: 100%; }
    </style>
  </head>

<body>  
    <script>
      var margin = {top: 20, right: 10, bottom: 20, left: 17};
      var width = 960 - margin.left - margin.right;
      var height = 500 - margin.top - margin.bottom;
      var svg = d3.select("body").append("svg")
        .attr("width", width + margin.left + margin.right)
        .attr("height", height + margin.top + margin.bottom);
      
      var dataset = [{x:190,y:167,val:18}];
      
      var stats = svg.selectAll('circle')
      .data(dataset, function(d){return d.x+d.y+d.val} );
      
      stats.enter().append('circle')
        .attr("r", function(d) { return d.val; })
        .attr('cx',function(d) { return d.x; } )
        .attr('cy',function(d) { return d.y; } )
        .attr("style", "fill:green;opacity:1;stroke:white;stroke-width:1;cursor:pointer;");
      
      stats.enter().append('svg:text')
        .text(function(d){return "val="+d.val})
        .attr('x',function(d){return d.x})
        .attr('y',function(d){return d.y})
        .attr("fill","black")
        .attr('stroke',"white")
        .attr('stroke-width',0.1)
        .attr("transform", function(d){ return "translate(0,"+-(d.val)+")" } )
        .attr("font-size",12)
        .attr("text-anchor", "middle");
    </script>
  </body>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js