Created
December 17, 2012 11:49
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Line tension experiment
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Line Chart</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
| <style type="text/css"> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| path { | |
| fill: url(#grad1); | |
| stroke-width: 1.5px; | |
| } | |
| circle { | |
| fill: #fff; | |
| stroke: #000; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var slices = 200; | |
| var cycle_time = 10000; | |
| var step = 0; | |
| var data = [{x:64, y:61},{x:109, y:86},{x:133, y:56},{x:183, y:79},{x:174, y:119}, | |
| {x:211, y:133},{x:211, y:182},{x:174, y:201},{x:172, y:248},{x:118, y:259}, | |
| {x:105, y:245},{x:80, y:264},{x:36, y:238},{x:47, y:202},{x:19, y:189}, | |
| {x:20, y:147},{x:46, y:133},{x:37, y:83}]; | |
| //Ref: http://bl.ocks.org/1016220 | |
| var w = 960, | |
| h = 500, | |
| p = 40, | |
| x = d3.scale.linear().domain([-50, 300]).range([p, w - p]), | |
| y = d3.scale.linear().domain([-50, 300]).range([h - p, p]), | |
| cx = x(140), | |
| cy = y(140); | |
| //return svg path commands for a line based on d3.svg.line | |
| //interpolate cardinal gives cubic spline and requires x and y to be given | |
| var line = d3.svg.line() | |
| .interpolate("cardinal-closed") | |
| .x(function(d) { return x(d.x); }) | |
| .y(function(d) { return y(d.y); }); | |
| var vis = d3.select("body").append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append("svg:g"); | |
| //make 1 path | |
| //attr 'd' is the path commands, generate them from local fn 'line' | |
| //colour between brown and steel blue | |
| vis.selectAll("path") | |
| .data([0]) | |
| .enter().append("svg:path") | |
| .attr("d", function(d) { return line.tension(d)(data); }) | |
| .style("stroke", d3.interpolateRgb("brown", "steelblue")); | |
| //Add the point circles at the data | |
| vis.selectAll("circle") | |
| .data(data) | |
| .enter().append("svg:circle") | |
| .attr("cx", function(d) { return x(d.x); }) | |
| .attr("cy", function(d) { return y(d.y); }) | |
| .attr("r", 4.5); | |
| setInterval(function () { | |
| step = step + 1; | |
| var arcsin = (step/slices)*(2*Math.PI); | |
| tension = (Math.sin(arcsin)+1)/2; | |
| //attr 'd' is the path commands, generate them from local fn 'line' | |
| //colour between brown and steel blue | |
| vis.selectAll("path") | |
| .data([tension]) | |
| .attr("d", function(d) { return line.tension((d*0.6)+0.2)(data); }) | |
| .style("stroke", d3.interpolateRgb("brown", "steelblue")) | |
| .attr("transform",function(d){ | |
| var scale = 0.8+0.4*(1-d); | |
| //keep the centre point invariant under the scale | |
| var tx = cx*d*0.4 - cx*0.2; | |
| var ty = cy*d*0.4 - cy*0.2; | |
| return "scale("+scale+") translate("+tx+","+ty+")";}); | |
| d3.select('#gradstop2') | |
| .data([tension]) | |
| .attr("offset", function(d){return 65+((1-d)*20)+"%"}); | |
| }, cycle_time/slices); | |
| </script> | |
| <svg> | |
| - <defs> | |
| - <radialGradient id="grad1" cx="50%" cy="50%" r="50%" fx="50%" fy="50%"> | |
| - <stop offset="0%" style="stop-color:#F98DFA; | |
| - stop-opacity:1" /> | |
| - <stop offset="75%" id="gradstop2" style="stop-color:#FDF6F0;stop-opacity:0.8" /> | |
| - </radialGradient> | |
| - </defs> | |
| - </svg> | |
| </body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Line Chart</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
| <style type="text/css"> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .rule line { | |
| stroke: #eee; | |
| shape-rendering: crispEdges; | |
| } | |
| .rule line.axis { | |
| stroke: #000; | |
| } | |
| path { | |
| fill: none; | |
| stroke-width: 1.5px; | |
| } | |
| circle { | |
| fill: #fff; | |
| stroke: #000; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <a href="string.html">String Version</a> | |
| <br/> | |
| <a href="closed.html">Closed Version</a> | |
| <script type="text/javascript"> | |
| var data = d3.range(10).map(function(i) { | |
| return {x: i / 9, y: (Math.sin(i * 2) + 1) / 2}; | |
| }); | |
| //Ref: http://bl.ocks.org/1016220 | |
| var w = 960, | |
| h = 500, | |
| p = 40, | |
| x = d3.scale.linear().domain([0, 1]).range([p, w - p]), | |
| y = d3.scale.linear().domain([0, 1]).range([h - p, p]); | |
| //return svg path commands for a line based on d3.svg.line | |
| //interpolate cardinal gives cubic spline and requires x and y to be given | |
| var line = d3.svg.line() | |
| .interpolate("cardinal") | |
| .x(function(d) { return x(d.x); }) | |
| .y(function(d) { return y(d.y); }); | |
| var vis = d3.select("body").append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append("svg:g"); | |
| //Make 10 rules from the data | |
| //Each is an empty g class 'rule' element | |
| var rules = vis.selectAll("g.rule") | |
| .data(x.ticks(10)) | |
| .enter().append("svg:g") | |
| .attr("class", "rule"); | |
| // For each (10) rule make a horizontal gridline | |
| rules.append("svg:line") | |
| .attr("x1", x) | |
| .attr("x2", x) | |
| .attr("y1", p) | |
| .attr("y2", h - p - 1); | |
| // For each (10) rule make a vertical gridline | |
| // Call it the axis if it has no data | |
| rules.append("svg:line") | |
| .attr("class", function(d) { return d ? null : "axis"; }) | |
| .attr("y1", y) | |
| .attr("y2", y) | |
| .attr("x1", p) | |
| .attr("x2", w - p + 1); | |
| //append the x-scale value | |
| rules.append("svg:text") | |
| .attr("x", x) | |
| .attr("y", h - p + 3) | |
| .attr("dy", ".71em") | |
| .attr("text-anchor", "middle") | |
| .text(x.tickFormat(10)); | |
| //append the y-scale value | |
| rules.append("svg:text") | |
| .attr("y", y) | |
| .attr("x", p - 3) | |
| .attr("dy", ".35em") | |
| .attr("text-anchor", "end") | |
| .text(y.tickFormat(10)); | |
| //make 6 paths | |
| //attr 'd' is the path commands, generate them from local fn 'line' | |
| //colour between brown and steel blue | |
| vis.selectAll("path") | |
| .data([0, 0.2, 0.4, 0.6, 0.8, 1]) | |
| .enter().append("svg:path") | |
| .attr("d", function(d) { return line.tension(d)(data); }) | |
| .style("stroke", d3.interpolateRgb("brown", "steelblue")); | |
| //Add the point circles at the data | |
| vis.selectAll("circle") | |
| .data(data) | |
| .enter().append("svg:circle") | |
| .attr("cx", function(d) { return x(d.x); }) | |
| .attr("cy", function(d) { return y(d.y); }) | |
| .attr("r", 4.5); | |
| </script> | |
| </body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Line Chart</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
| <style type="text/css"> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .rule line { | |
| stroke: #eee; | |
| shape-rendering: crispEdges; | |
| } | |
| .rule line.axis { | |
| stroke: #000; | |
| } | |
| path { | |
| fill: none; | |
| stroke-width: 1.5px; | |
| } | |
| circle { | |
| fill: #fff; | |
| stroke: #000; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var slices = 200; | |
| var step = 0; | |
| var data = d3.range(10).map(function(i) { | |
| return {x: i / 9, y: (Math.sin(i * 2) + 1) / 2}; | |
| }); | |
| //Ref: http://bl.ocks.org/1016220 | |
| var w = 960, | |
| h = 500, | |
| p = 40, | |
| x = d3.scale.linear().domain([0, 1]).range([p, w - p]), | |
| y = d3.scale.linear().domain([0, 1]).range([h - p, p]); | |
| //return svg path commands for a line based on d3.svg.line | |
| //interpolate cardinal gives cubic spline and requires x and y to be given | |
| var line = d3.svg.line() | |
| .interpolate("cardinal") | |
| .x(function(d) { return x(d.x); }) | |
| .y(function(d) { return y(d.y); }); | |
| var vis = d3.select("body").append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| .append("svg:g"); | |
| //Make 10 rules from the data | |
| //Each is an empty g class 'rule' element | |
| var rules = vis.selectAll("g.rule") | |
| .data(x.ticks(10)) | |
| .enter().append("svg:g") | |
| .attr("class", "rule"); | |
| // For each (10) rule make a horizontal gridline | |
| rules.append("svg:line") | |
| .attr("x1", x) | |
| .attr("x2", x) | |
| .attr("y1", p) | |
| .attr("y2", h - p - 1); | |
| // For each (10) rule make a vertical gridline | |
| // Call it the axis if it has no data | |
| rules.append("svg:line") | |
| .attr("class", function(d) { return d ? null : "axis"; }) | |
| .attr("y1", y) | |
| .attr("y2", y) | |
| .attr("x1", p) | |
| .attr("x2", w - p + 1); | |
| //append the x-scale value | |
| rules.append("svg:text") | |
| .attr("x", x) | |
| .attr("y", h - p + 3) | |
| .attr("dy", ".71em") | |
| .attr("text-anchor", "middle") | |
| .text(x.tickFormat(10)); | |
| //append the y-scale value | |
| rules.append("svg:text") | |
| .attr("y", y) | |
| .attr("x", p - 3) | |
| .attr("dy", ".35em") | |
| .attr("text-anchor", "end") | |
| .text(y.tickFormat(10)); | |
| //make 1 path | |
| //attr 'd' is the path commands, generate them from local fn 'line' | |
| //colour between brown and steel blue | |
| vis.selectAll("path") | |
| .data([0]) | |
| .enter().append("svg:path") | |
| .attr("d", function(d) { return line.tension(d)(data); }) | |
| .style("stroke", d3.interpolateRgb("brown", "steelblue")); | |
| //Add the point circles at the data | |
| vis.selectAll("circle") | |
| .data(data) | |
| .enter().append("svg:circle") | |
| .attr("cx", function(d) { return x(d.x); }) | |
| .attr("cy", function(d) { return y(d.y); }) | |
| .attr("r", 4.5); | |
| setInterval(function () { | |
| step = step + 1; | |
| var arcsin = (step/slices)*(2*Math.PI); | |
| tension = (Math.sin(arcsin)+1)/2; | |
| //attr 'd' is the path commands, generate them from local fn 'line' | |
| //colour between brown and steel blue | |
| vis.selectAll("path") | |
| .data([tension]) | |
| .attr("d", function(d) { return line.tension(d)(data); }) | |
| .style("stroke", d3.interpolateRgb("brown", "steelblue")); | |
| }, 3000/slices); | |
| </script> | |
| </body> | |
| </html> |
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From Mike Bostock's gist:1016220