StackOverflow2013

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2013-04-27T04:08:06.583
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<p>Unfortunately the code listed in the tutorial is incorrect. The svg element "circle" is specified by three attributes, "cx", x-axis coordinate of the center of the circle, "cy", y-axis coordinate of the center of the circle, and "r", the radius of the circle. I got this information from the w3 specification for an <a href="http://www.w3.org/TR/SVG/shapes.html#CircleElement" rel="nofollow">SVG circle</a>.</p> <p>I would recommend inspecting the JavaScript in the tutorial page to help iron out any other inconsistencies. Here it is:</p> <pre><code><script type="text/javascript"> var dataset = [], i = 0; for(i=0; i<5; i++){ dataset.push(Math.round(Math.random()*100)); } var sampleSVG = d3.select("#viz5") .append("svg") .attr("width", 400) .attr("height", 100); sampleSVG.selectAll("circle") .data(dataset) .enter().append("circle") .style("stroke", "gray") .style("fill", "white") .attr("r", 40) .attr("cx", function(d, i){return i*80+40}) .attr("cy", 50) .on("mouseover", function(){d3.select(this).style("fill", "aliceblue");}) .on("mouseout", function(){d3.select(this).style("fill", "white");}) .on("mousedown", animateFirstStep); function animateFirstStep(){ d3.select(this) .transition() .delay(0) .duration(1000) .attr("r", 10) .each("end", animateSecondStep); }; function animateSecondStep(){ d3.select(this) .transition() .duration(1000) .attr("r", 40); }; </script> </code></pre> <p>I also created a JSFiddle which you can utilize to get the basic idea that the author of the tutorial is trying to convey, with respect to utilizing d3.js data, <a href="http://jsfiddle.net/dNRNq/" rel="nofollow">here</a>. </p>
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