also see http://bl.ocks.org/dwtkns/7319558
Created
November 10, 2013 23:47
Patterns & animation test 2
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .patterned-stripey { fill: url(#stripey); } | |
| .state-filled-with-a-tiny-pattern-of-texas { fill: url(#tiny-map-of-texas); } | |
| #stripey rect { stroke: none; fill: #eee; } | |
| #stripey path { stroke: #ddd; } | |
| #tiny-map-of-texas rect { stroke: none; fill: none; } | |
| #tiny-map-of-texas path { fill: #f2f; opacity:.2; } | |
| .state-boundary { | |
| fill: none; | |
| stroke: #f2f; | |
| stroke-width:2; | |
| stroke-linejoin:round; | |
| opacity:.5; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var patternSize = 20; | |
| var projection = d3.geo.albersUsa() | |
| .scale(1000) | |
| .translate([width / 2, height / 2]); | |
| var tinyprojection = d3.geo.albersUsa().scale(150).translate([patternSize,0]) | |
| var tinypath = d3.geo.path().projection(tinyprojection) | |
| var path = d3.geo.path().projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| var map = svg.append('g'), | |
| defs = svg.append('defs'), | |
| stripey = newPattern('stripey',patternSize,defs), | |
| tinytexas = newPattern('tiny-map-of-texas',patternSize*2,defs); | |
| stripey.append('rect').attr({ | |
| 'x': -patternSize, | |
| 'y': -patternSize, | |
| 'height': patternSize*3, | |
| 'width': patternSize*3 | |
| }) | |
| stripey.append('path').attr({ | |
| 'd': 'M-10,10 l30,-30 M0,'+patternSize+' l'+patternSize+',-'+patternSize+' M'+(patternSize-10)+','+(patternSize+10)+' l30,-30' | |
| }) | |
| d3.json("/mbostock/raw/4090846/us.json", function(error, us) { | |
| var texas = topojson.feature(us, us.objects.states).features.filter(function(f){return f.id === 48})[0] | |
| tinytexas.append('path').datum(texas).attr('id','texas').attr('d',tinypath) | |
| map.selectAll('path') | |
| .data(topojson.feature(us, us.objects.states).features) | |
| .enter().append("path") | |
| .attr('id',function(d) { return d.id}) | |
| .attr("class", 'patterned-stripey') | |
| .attr("d", path); | |
| map.selectAll('.state-filled-with-a-tiny-pattern-of-texas') | |
| .data(topojson.feature(us, us.objects.states).features) | |
| .enter().append("path") | |
| .attr('id',function(d) { return d.id}) | |
| .attr("class", 'state-filled-with-a-tiny-pattern-of-texas') | |
| .attr("d", path); | |
| map.append("path") | |
| .datum(topojson.mesh(us, us.objects.states, function(a, b) { return a !== b; })) | |
| .attr("class", "state-boundary") | |
| .style('stroke-dasharray','0,1000') | |
| .attr("d", path) | |
| d3.select('#stripey path').call(pulse,1000) | |
| d3.select('#stripey').call(patterndrift,5000,100,0) | |
| d3.select('#texas').call(spin,2600,45) | |
| d3.select('#tiny-map-of-texas').call(patternspin,3000,5) | |
| d3.select('.state-boundary').call(trace,2000) | |
| }); | |
| function newPattern(name,size,defs) { | |
| return defs.append('pattern').attr({ | |
| 'id': name, | |
| 'patternUnits':'userSpaceOnUse', | |
| 'patternTransform':'rotate(0,0,0)', | |
| 'width': size, | |
| 'height':size | |
| }).append('g'); | |
| } | |
| function pulse(path,duration){ | |
| path.transition() | |
| .duration(duration) | |
| .attr('stroke-width',12) | |
| .transition() | |
| .attr('stroke-width',2) | |
| setTimeout(function() { pulse(path, duration); }, duration*2); | |
| } | |
| function spin(path,duration,rotation) { | |
| path.transition().duration(duration) | |
| .attr('transform','rotate('+rotation+',20,20)') | |
| setTimeout(function() { spin(path, duration, -rotation); }, duration); | |
| } | |
| function trace(path,duration){ | |
| path.transition() | |
| .duration(duration) | |
| .style('stroke-dasharray','0,1000') | |
| .transition() | |
| .style('stroke-dasharray','300,1000') | |
| setTimeout(function() { trace(path, duration); }, duration*2); | |
| } | |
| function patternspin(pattern,duration,rotation) { | |
| pattern.transition().duration(duration) | |
| .attr('patternTransform','rotate('+rotation+','+width/2+','+height/2+')') | |
| setTimeout(function() { patternspin(pattern, duration, -rotation); }, duration); | |
| } | |
| function patterndrift(pattern,duration,driftx,drifty) { | |
| pattern.transition().duration(duration) | |
| .attr('patternTransform','translate('+driftx+','+drifty+')') | |
| setTimeout(function() { patterndrift(pattern, duration, -driftx,-drifty); }, duration); | |
| } | |
| </script> |
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