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d3 + color brewer + interaction
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| <head> | |
| <style> | |
| body{ | |
| background: black; | |
| margin: 0px; | |
| } | |
| div{ | |
| font-size: 72px; | |
| text-align : center; | |
| margin-left: auto; | |
| margin-right: auto; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="form-group"> | |
| <input type="text" class="form-control" placeholder="Start typing" id="words"> | |
| </div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/colorbrewer.v1.min.js"></script> | |
| <script> | |
| ;( function(){ | |
| d3.select('body') | |
| .append('div') | |
| function textcolor( word){ | |
| d3.select('div') | |
| .selectAll( 'span.letter') | |
| .data( word ) | |
| .call( function(s){ | |
| // append | |
| s.enter() | |
| .append('span') | |
| .classed({letter:true}) | |
| //remove | |
| s.exit().remove() | |
| }) | |
| .text(function(d){ | |
| return d; | |
| }); | |
| // split characeters | |
| d3.selectAll('span.letter') | |
| .each( function(d,i){ | |
| d3.select(this).style('color',s(i)) | |
| }); | |
| } | |
| // init colorscale and text | |
| s = setcolors( 'init' ); | |
| // Starts empty | |
| d3.select("#words") | |
| .on("keydown", function(){ | |
| textcolor(d3.select(this).property('value')); | |
| }); | |
| function setcolors(op){ | |
| // | |
| //convert colorbrewer to array | |
| // colorbrewer = colorbrewer[1]['map'] | |
| var o = 6, //order of colormap | |
| cmap = [], | |
| d = d3.values(colorbrewer); | |
| if( op != 'init' ){ | |
| console.log('holla'); | |
| d = d3.values( d3.shuffle( colorbrewer ) ); | |
| } | |
| d.forEach( function(d){ | |
| d[o].forEach( function(d){cmap.push(d)}) | |
| }); | |
| return d3.scale.ordinal().range( cmap ); | |
| } | |
| })(); | |
| </script> | |
| </body> |
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