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@norrs
Created June 6, 2012 17:23

Revisions

  1. norrs revised this gist Feb 22, 2013. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion index.html
    Original file line number Diff line number Diff line change
    @@ -69,7 +69,7 @@ <h3><a href="http://stackoverflow.com/questions/10899725/d3-js-force-directed-gr

    node.append("svg:image")
    .attr("class", "circle")
    .attr("xlink:href", "https://d3nwyuy0nl342s.cloudfront.net/images/icons/public.png")
    .attr("xlink:href", "https://github.com/favicon.ico")
    .attr("x", "-8px")
    .attr("y", "-8px")
    .attr("width", "16px")
  2. norrs revised this gist Jun 6, 2012. 1 changed file with 4 additions and 2 deletions.
    6 changes: 4 additions & 2 deletions index.html
    Original file line number Diff line number Diff line change
    @@ -81,14 +81,16 @@ <h3><a href="http://stackoverflow.com/questions/10899725/d3-js-force-directed-gr
    .attr("dy", ".35em")
    .text(function(d) { return d.name });

    force.on("tick", function() {
    force.on("tick", tick);

    function tick() {
    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 + ")"; });
    });
    };


    });
  3. norrs revised this gist Jun 6, 2012. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions index.html
    Original file line number Diff line number Diff line change
    @@ -37,7 +37,7 @@ <h3><a href="http://stackoverflow.com/questions/10899725/d3-js-force-directed-gr
    .attr("x2", function(d) { return d.target.x; })
    .attr("y2", function(d) { return d.target.y; });

    var node_drag = d3.behaviour.drag()
    var node_drag = d3.behavior.drag()
    .on("dragstart", dragstart)
    .on("drag", dragmove)
    .on("dragend", dragend);
    @@ -95,4 +95,4 @@ <h3><a href="http://stackoverflow.com/questions/10899725/d3-js-force-directed-gr

    </script>
    </body>
    </html>
    </html>
  4. norrs revised this gist Jun 6, 2012. 2 changed files with 1 addition and 0 deletions.
    1 change: 1 addition & 0 deletions graph.json
    Original file line number Diff line number Diff line change
    @@ -0,0 +1 @@
    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    File renamed without changes.
  5. norrs created this gist Jun 6, 2012.
    98 changes: 98 additions & 0 deletions stackoverflow.10899725.js
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,98 @@
    <!DOCTYPE html>
    <html>
    <head>
    <script type="text/javascript" src="http://d3js.org/d3.v2.js"></script>
    <style type="text/css">
    .link { stroke: #ccc; }
    .nodetext { pointer-events: none; font: 10px sans-serif; }
    </style>
    </head>
    <body>
    <h3><a href="http://stackoverflow.com/questions/10899725/d3-js-force-directed-graph-with-support-for-drag-and-drop-to-make-selected-node">http://stackoverflow.com/questions/10899725/d3-js-force-directed-graph-with-support-for-drag-and-drop-to-make-selected-node</a></h3>
    <script type="text/javascript">

    var w = 960,
    h = 500

    var vis = d3.select("body").append("svg:svg")
    .attr("width", w)
    .attr("height", h);

    d3.json("graph.json", function(json) {
    var force = self.force = d3.layout.force()
    .nodes(json.nodes)
    .links(json.links)
    .gravity(.05)
    .distance(100)
    .charge(-100)
    .size([w, h])
    .start();

    var link = vis.selectAll("line.link")
    .data(json.links)
    .enter().append("svg:line")
    .attr("class", "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; });

    var node_drag = d3.behaviour.drag()
    .on("dragstart", dragstart)
    .on("drag", dragmove)
    .on("dragend", dragend);

    function dragstart(d, i) {
    force.stop() // stops the force auto positioning before you start dragging
    }

    function dragmove(d, i) {
    d.px += d3.event.dx;
    d.py += d3.event.dy;
    d.x += d3.event.dx;
    d.y += d3.event.dy;
    tick(); // this is the key to make it work together with updating both px,py,x,y on d !
    }

    function dragend(d, i) {
    d.fixed = true; // of course set the node to fixed so the force doesn't include the node in its auto positioning stuff
    tick();
    force.resume();
    }


    var node = vis.selectAll("g.node")
    .data(json.nodes)
    .enter().append("svg:g")
    .attr("class", "node")
    .call(node_drag);

    node.append("svg:image")
    .attr("class", "circle")
    .attr("xlink:href", "https://d3nwyuy0nl342s.cloudfront.net/images/icons/public.png")
    .attr("x", "-8px")
    .attr("y", "-8px")
    .attr("width", "16px")
    .attr("height", "16px");

    node.append("svg:text")
    .attr("class", "nodetext")
    .attr("dx", 12)
    .attr("dy", ".35em")
    .text(function(d) { return d.name });

    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 + ")"; });
    });


    });

    </script>
    </body>
    </html>