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Gauge
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <script src="https://d3js.org/d3.v4.min.js"> | |
| </script> | |
| <script src="https://d3js.org/d3-color.v0.5.min.js"> | |
| </script> | |
| <script src="https://d3js.org/d3-interpolate.v0.9.min.js"> | |
| </script> | |
| <script src="https://d3js.org/d3-scale-chromatic.v0.3.min.js"> | |
| </script> | |
| <title></title> | |
| </head> | |
| <body> | |
| <button id="button" type="button">Click Me!</button> | |
| <div id="viz"></div> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var svg = d3.select( "#viz" ) | |
| .append( "svg" ) | |
| .attr( "width", width ) | |
| .attr( "height", height ); | |
| var arc = d3.arc() | |
| .innerRadius( 50 ) | |
| .outerRadius( 80 ) | |
| .cornerRadius( 5 ) | |
| .padAngle( 0 ); | |
| color = [ "#91cf60", "#d9ef8b", "#fee08b", "#fc8d59", "#d73027" ].reverse(); | |
| var data = makeData(); | |
| var pie = d3.pie() | |
| .startAngle( -Math.PI / 2 ) | |
| .endAngle( Math.PI / 2 ) | |
| .value( function( d ) { | |
| return d | |
| } ); | |
| var arcs = svg.selectAll( '.arc' ) | |
| .data( pie( data[ 1 ] ) ) | |
| .enter() | |
| .append( 'path' ) | |
| .attr( "d", arc ) | |
| .attr( "transform", "translate(200,200)" ) | |
| .style( "fill", function( d, i ) { | |
| return color[ i ] | |
| } ); | |
| var needle = svg.selectAll( ".needle" ) | |
| .data( data[ 0 ] ) | |
| .enter() | |
| .append( 'line' ) | |
| .attr( "x1", 0 ) | |
| .attr( "x2", -78 ) | |
| .attr( "y1", 0 ) | |
| .attr( "y2", 0 ) | |
| .style( "stroke", "black" ) | |
| .attr( "transform", function( d ) { | |
| r = 180 * d / data[ 1 ][ 3 ] | |
| return " translate(200,200) rotate(" + r + ")" | |
| } ); | |
| d3.select( "#button" ) | |
| .on( "click", function() { | |
| data = makeData(); | |
| arcs.data( pie( data[ 1 ] ) ) | |
| .transition() | |
| .attr( "d", arc ) | |
| needle.data( data[ 0 ] ) | |
| .transition() | |
| .ease( d3.easeElasticOut ) | |
| .duration( 2000 ) | |
| .attr( "transform", function( d ) { | |
| r = 180 * d / data[ 1 ][ 3 ] | |
| return " translate(200,200) rotate(" + r + ")" | |
| } ); | |
| } ); | |
| function makeData() { | |
| newarcsdata = d3.range( 4 ) | |
| .map( function() { | |
| return d3.randomUniform()(); | |
| } ) | |
| .sort(); | |
| newneedledata = [ d3.randomUniform( 0, newarcsdata[ 3 ] )() ]; | |
| return [ newneedledata, newarcsdata ]; | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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