javascript - D3. Load SVG files and show only one at a time. Fading/Replacing issue -


i load svg files 1 div (or whatever) , can here:

var div_svg = d3.select("div#example");  svg1 = "https://upload.wikimedia.org/wikipedia/commons/0/02/svg_logo.svg"; svg2 = "https://upload.wikimedia.org/wikipedia/commons/8/81/wikimedia-logo.svg";  var createsvg = function(dataset) {    d3.xml(dataset)    .mimetype("image/svg+xml")    .get(function(error, xml) {       if (error) throw error;       div_svg.node().append(xml.documentelement);    }); }  update = function(dataset) {     div_svg.select('svg')       .style("opacity", 1)       .transition()       .duration(200)       .style("opacity", 0)       .remove();     createsvg(dataset) }  createsvg(svg1); d3.select("#one").on("click", function() { update(svg1); }); d3.select("#two").on("click", function() { update(svg2); });

but have issues:

  1. once choose svg file, first 1 fades off should, 1 stacks below until previous disappear @ all. how can replace 1 svg smoothly?

  2. if continue clicking on svg "button" quickly, more 1 graph appear in the div. make dirty fix, checking svg has been rendered already, figure out how fix asynchronous update issue in better way.

thank you

so do: wait after have loaded svg transition fade prvious svg, wait transition finish, remove old one, add new 1 , fade in :

var createsvg = function(dataset) {     d3.xml(dataset)             .mimetype("image/svg+xml")             .get(function(error, xml) {                 d3.select("#example")                         .select('svg')                         .style("opacity", 1)                         .transition()                         .duration(200)                         .style("opacity", 0);                  settimeout(function(){                     d3.select("#example")                             .select('svg').remove();                      div_svg.node().append(xml.documentelement);                      d3.select("#example")                             .selectall('svg')   .select('svg')                             .style("opacity", 0)                             .transition()                             .duration(200)                             .style("opacity", 1);                 }, 200);                  if (error) throw error;             }); };  update = function(dataset) {     createsvg(dataset) };

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