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POHow to call d3.json() outside of d3
 

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  1. POHow to call d3.json() outside of d3
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    <p>I have a requirement that i need to refresh the d3 api which is generated through json.But i can not use location.reload() i.e i can not refresh the full page.i have a click button here that will only refresh the svg but not the ful page.Is it possible???I think that calling d3.json from outside the script will solve the problem.Can anyone help me in that??</p> <pre><code> &lt;script&gt; var w = 1200, h = 900, radius = d3.scale.log().domain([0,312000 ]) .range([ "10", "50" ]); var vis = d3.select("body").append("svg:svg").attr("width", w).attr( "height", h); vis.append("marker") .attr("id", "arrowhead") .attr("refX", 6 + 6) /*must be smarter way to calculate shift*/ .attr("refY", 2) .attr("markerWidth", 6) .attr("markerHeight", 4) .attr("orient", "auto") .append("path") .attr("d", "M 0,0 V 4 L6,2 Z"); //this is actual shape for arrowhead d3.json("LinkServlet", function(data,error) { var force = self.force = d3.layout.force().nodes(data.nodes).links( data.links).linkDistance(function(d) { return (d.distance * 10); }) //.friction(0.5) .charge(-250).size([ w, h ]).start(); var link = vis.selectAll("line.link").data(data.links).enter().append( "svg:line").attr("class", function(d) { return "link" + d.value + ""; }).attr("x1", function(d) { return d.source.x; }).attr("y1", function(d) { return d.source.y; }).attr("x2", function(d) { return d.target.x; }).attr("y2", function(d) { return d.target.y; }).attr("marker-end", function(d) { if (d.value == 10 || d.value==1) { return "url(#arrowhead)" } else { return " " } ; }); function openLink() { return function(d) { var url = ""; if (d.slug != "") { url = d.slug } else if(d.type == 2) { url = "clients/" + d.slug } else if(d.type == 3) { url = "agencies/" + d.slug } window.open("//" + url) } } var node = vis.selectAll("g.node").data(data.nodes).enter().append( "svg:g").attr("class", "node").call(force.drag); // size of the nodes are given here node.append("circle").attr("class", function(d) { return "node type" + d.type }).attr("r", function(d) { if (d.entity == "description") { return 20 } else if(d.entity=="big"){ return 25 }else if(d.entity=="small"){ return 15 }else if(d.entity=="company"){ return 25 }else if(d.entity=="manager"){ return 30 }else if(d.entity=="ceo"){ return 35 }else{ return 18 } }) node.append("text").attr("class", function(d) { return "nodetext title_" + d.name }).attr("dx", 0).attr("dy", ".35em").style("font-size", "10px").attr( "text-anchor", "middle").style("fill", "black").text( function(d) { return d.name }); node.on("mouseover", function(d) { if (d.entity == "description") { d3.select(this).select('text').transition().duration(300).text( function(d) { return d.name; }).style("font-size", "15px") } else if (d.entity == "employee") { var asdf = d3.select(this); asdf.select('text').remove(); asdf.append("text").text(function(d) { return d.prefix + ' ' + d.fst_name }).attr("class", "nodetext").attr("dx", 0).attr("dy", ".35em") .style("font-size", "5px") .attr("text-anchor", "middle").style("fill", "white") .transition().duration(300).style("font-size", "12px"); asdf.append("text").text(function(d) { return d.snd_name }).attr("class", "nodetext").attr("transform", "translate(0, 12)").attr("dx", 0).attr("dy", ".35em") .style("font-size", "5px") .attr("text-anchor", "middle").style("fill", "white") .transition().duration(300).style("font-size", "12px"); } else { d3.select(this).select('text').transition().duration(300) .style("font-size", "15px") } if (d.entity == "company") { d3.select(this).select('image').attr("width", "100px").attr("x", "-46px").attr("y", "-36.5px").attr("xlink:href", function(d) { return d.name }); } if (d.entity == "company") { d3.select(this).select('circle').transition().duration(300) .attr("r", 28) } else if (d.entity == "employee") { d3.select(this).select('circle').transition().duration(300) .attr("r", 15) } }); node.on("mouseout", function(d) { if (d.entity == "company") { d3.select(this).select('text').transition().duration(300).text( function(d) { return d.name; }).style("font-size", "10px") } else if (d.entity == "employee") { /////////////////////////// // CHANGE /////////////////////////// d3.select(this).selectAll('text').remove(); //d3.select(this).select('text') d3.select(this).append('text').text(function(d) { return d.name; }).style("font-size", "14px").attr("dx", 0).attr("dy", ".35em") .attr("text-anchor", "middle").style("fill", "white") .attr("class", "nodetext").transition().duration(300) .style("font-size", "10px") } else { d3.select(this).select('text').transition().duration(300) .style("font-size", "10px") } if (d.entity == "company") { d3.select(this).select('image').attr("width", "70px").attr("x", "-36px").attr("y", "-36px").attr("xlink:href", function(d) { return d.img_hrefD }); } if (d.entity == "company" || d.entity == "employee") { d3.select(this).select('circle').transition().duration(300) .attr("r", 18) } }); node.on("mouseover", fade(.4, "red")).on("mouseout", fade(1)); var linkedByIndex = {}; data.links.forEach(function(d) { linkedByIndex[d.source.index + "," + d.target.index] = 1; }); function isConnected(a, b) { return linkedByIndex[a.index + "," + b.index] || linkedByIndex[b.index + "," + a.index] || a.index == b.index; } force.on("tick", function() { link.attr("x1", function(d) { return d.source.x; }).attr("y1", function(d) { return d.source.y; }).attr("x2", function(d) { return d.target.x; }).attr("y2", function(d) { return d.target.y; }); node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); }); function getConnected(cn, d, level) { node.each(function(o) { if(isConnected(d, o) &amp;&amp; cn.indexOf(o) == -1) { cn.push(o); if(level &gt; 0) getConnected(cn, o, level-1); }; }); return cn; } function fade(opacity,color) { return function(d) { node.style("stroke-opacity", function(o) { thisOpacity = isConnected(d, o) ? 1 : opacity; this.setAttribute('fill-opacity', thisOpacity); return thisOpacity; }); link.style("stroke-opacity", function(o) { return o.source === d || o.target === d ? 1 : opacity; }) .style("stroke", function(o) { return o.source === d || o.target === d ? color : "#000" ; }); }; } }); &lt;/script&gt; </code></pre> <p>sample data here</p> <pre><code>{"nodes":[{"name":"9748108991","type":1,"slug":"","entity":"company"},{"name":"offnet","type":2,"slug":"","entity":"employee"},{"name":"onnet","type":2,"slug":"","entity":"employee"}],"links":[{"source":0,"target":1,"value":1,"distance":10},{"source":0,"target":2,"value":1,"distance":10}]} </code></pre>
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      1. VTUpMod
    1. COI'm not sure what you're asking. There's no requirement to call `d3.json` in a specific context.
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      1. POHow to call d3.json() outside of d3
      1. USLars Kotthoff
    2. COthe button could trigger some JavaScript without refreshing the page
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      1. USAndreas
    3. COand I agree with @LarsKotthoff
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