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POHow to re-render an SVG in d3?
 

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  1. POHow to re-render an SVG in d3?
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    <p>I am adapting the d3 example calendar located here: <a href="http://bl.ocks.org/4063318" rel="nofollow noreferrer">http://bl.ocks.org/4063318</a></p> <p><img src="https://i.stack.imgur.com/qdfns.jpg" alt="enter image description here"></p> <p>and I'm trying to make it so that each day in the calendar is hyperlinked.</p> <p>To do so, I added an anchor tag around each "rect", like so:</p> <pre><code>var rect = svg.selectAll(".day") .data(function(d) { return d3.time.days(new Date(d, 0, 1), new Date(d + 1, 0, 1)); }) .enter() .append("a") //my new line of code .attr("xlink:href", "http://stackoverflow.com") //my new line of code .append("rect") .attr("class", "day") .attr("width", cellSize) .attr("height", cellSize) .attr("x", function(d) { return week(d) * cellSize; }) .attr("y", function(d) { return day(d) * cellSize; }) .datum(format); </code></pre> <p>This will link each rect to this website. However, I want the link to be data dependent. So, instead of the line above: </p> <pre><code> .attr("xlink:href", "http://stackoverflow.com") //my new line of code </code></pre> <p>I use: </p> <pre><code> .attr("class", "rectAnchor") </code></pre> <p>I do this so that I can select the rectAnchor and then access their rect child, then set the xlink:href attribute, like so, in the following code:</p> <pre><code>d3.csv("dji.csv", function(error, csv) { var data = d3.nest() .key(function(d) { return d.Date; }) .rollup(function(d) { return (d[0].Close - d[0].Open) / d[0].Open; }) .map(csv); rect.filter(function(d) { return d in data; }) .attr("class", function(d) { return "day " + color(data[d]); }) .attr("dyanmiclinktext", function(d) { return data[d]; }) //my new line of code .select("title") .text(function(d) { return d + ": " + percent(data[d]); }); $(".rectAnchor") //my new line .attr("xlink:href", function(){ //my new line return "http:/127.0.0.1/subdir/" + $(this).children("rect").attr("dynamiclinktext"); //my new line }); }); </code></pre> <p>Now, when I do that, there are no working hyperlinks and another two undesirable things happen: First, the link inside the anchor tag says xlink:href"URL" instead of href:"URL" . Secondly, if I change the line .attr("xlink:href", function(){ to .attr("href", function(){ , it still doesn't work. So, I'm wondering, is this because the svg has already been rendered and I need to re-render it with these new and improved anchor tags? Or is there something else I'm missing? Any help is appreciated. Thanks!</p> <p><strong><em>addendum:</em></strong></p> <pre><code> $(".rectAnchor").attr("xlink:href", "http:/127.0.0.1/subdir/" + $(this).children("rect").attr("finer")); </code></pre> <p>generates:</p> <pre><code>&lt;a class="rectAnchor" xlink:href="http:/127.0.0.1/subdir/undefined"&gt; &lt;rect class="day" width="17" height="17" x="170" y="51" finer="group1" fill="#aec7e8"&gt; &lt;title&gt;2012-03-13: group1&lt;/title&gt; &lt;/rect&gt; &lt;/a&gt; </code></pre> <p>(Notice the undefined and the 'xlink:href' instead of just 'href')</p> <pre><code> $(".rectAnchor").attr("xlink:href", function(d) { return "http:/127.0.0.1/subdir/" + $(this).children("rect").attr("finer");}); </code></pre> <p>generates:</p> <pre><code> &lt;a class="rectAnchor" xlink:href="http:/127.0.0.1/subdir/group2"&gt; &lt;rect class="day" width="17" height="17" x="153" y="34" finer="group2" fill="#aec7e8"&gt; &lt;title&gt;2012-03-05: group2&lt;/title&gt; &lt;/rect&gt; &lt;/a&gt; </code></pre> <p>Neither are hyperlinked in the displayed svg (i.e. mouse pointer exhibits no difference and clicking does nothing.) I also changed 'xlink:href' to 'href' in the 2 cases. this outputted the same as above, but with the 'xlink:' missing. However, as before, nothing was hyperlinked. Thanks.</p>
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      1. POHow to re-render an SVG in d3?
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      1. POHow to re-render an SVG in d3?
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    1. COhave you made sure that you if you are appending an <svg:a> element? Try `.append("svg:a")`.
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      1. POHow to re-render an SVG in d3?
      1. USErik Dahlström
 

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