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Make a Pattern of Cropped Images in d3 from a YAML manifest
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| <!doctype html> | |
| <html> | |
| <head> | |
| <script src='//cdn.jsdelivr.net/g/d3js'></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.2.7/js-yaml.min.js"></script> | |
| </head> | |
| <body> | |
| <script id="pattern" type="text/yaml"> | |
| type: hexagon | |
| cell: | |
| width: 200 | |
| height: 200 | |
| border: 5 | |
| item: | |
| - img: "http://lorempixel.com/100/100" | |
| url: '' | |
| - img: "http://lorempixel.com/110/101" | |
| url: '' | |
| - img: "http://lorempixel.com/110/200" | |
| url: '' | |
| </script> | |
| <script> | |
| ;( function(){ | |
| //Make SVG | |
| var data = jsyaml.load( d3.select('#pattern').text() ); | |
| var cwidth = data['cell']['width'], | |
| cheight = data['cell']['height'], | |
| border = data['cell']['border']; | |
| var ncol = 14, | |
| nrow = 5; | |
| var width = ncol*cwidth, | |
| height = 500; | |
| var shift = function(r){ | |
| return ((r%2)==0)?0:(cwidth/2); | |
| }; | |
| var currentFocus = [width / 2, height / 2], | |
| desiredFocus, | |
| idle = true; | |
| function d2r(d){ | |
| return d*(Math.PI/180); | |
| } | |
| function templater( ){ | |
| var shift = []; | |
| if ( data['type'] == 'circle'){ | |
| var type= 'circle', | |
| shift=[cwidth,Math.sqrt(3)*cheight/2], | |
| attr = { | |
| 'cx': function(c){ | |
| console.log('cx',c) | |
| return (c*cwidth+cwidth/2) | |
| }, | |
| 'cy': function(c){ | |
| return (cheight/2) | |
| }, | |
| 'r': (cwidth/2) - border, | |
| }; | |
| } else if ( data['type'] == 'hexagon'){ | |
| type = 'polygon'; | |
| var cr = Math.sqrt(3) * cwidth/3 - border; | |
| shift=[Math.sqrt(3)*cwidth/2,Math.sqrt(3)*cheight/2], | |
| attr = { | |
| 'points': function(c){ | |
| return d3.range(6) | |
| .map( function(i){ | |
| return (cr*Math.cos( d2r( i*60 + 30) ) + (c*cwidth+cwidth/2)) +','+ (cr*Math.sin( d2r( i*60+ 30) ) + cheight/2); | |
| }) | |
| .join(' '); | |
| } | |
| }; | |
| } | |
| return { | |
| 'type': type, | |
| 'shift': shift, | |
| 'attr':attr , | |
| } | |
| } | |
| var style = document.body.style, | |
| transform = ("webkitTransform" in style ? "-webkit-" | |
| : "MozTransform" in style ? "-moz-" | |
| : "msTransform" in style ? "-ms-" | |
| : "OTransform" in style ? "-o-" | |
| : "") + "transform"; | |
| var type = templater(); | |
| console.log(type); | |
| svg = d3.select('body') | |
| .style('overflow-x','hidden') | |
| .append('svg') | |
| .attr('height', height) | |
| .attr('width', width) | |
| // append rows | |
| g = svg.append('g') | |
| .attr('transform','translate('+(-1*width/2)+')'); | |
| pattern = g.append('defs') | |
| .selectAll('.pattern') | |
| .data( data['item'] ) | |
| .call( function(s){ | |
| s.enter() | |
| .append('pattern') | |
| .attr('x',0).attr('y',0) | |
| .attr('width',cwidth).attr('height',cheight) | |
| .attr('patternUnits','userSpaceOnUse') | |
| .each( function(d,i){ | |
| var id = 'pattern-image-'+i; | |
| d3.select(this) | |
| .datum( function(d){ | |
| d['id'] = '#'+id; | |
| return d; | |
| }); | |
| d3.select(this) | |
| .attr( 'id', id ); | |
| }) | |
| .each( function(d,i){ | |
| d3.select(this) | |
| .append('image') | |
| .attr('x',0).attr('y',0) | |
| .attr('width',cwidth).attr('height',cheight) | |
| .attr('xlink:href', d['img']) | |
| .attr('type', 'image/png') | |
| }) | |
| }).data() | |
| g.selectAll('.row') | |
| .data( d3.range( nrow ) ) | |
| .call( function(s){ | |
| s.enter() | |
| .append('g') | |
| .classed('row',true) | |
| .attr( 'transform', function(r){ | |
| return 'translate('+shift(r)+','+ type['shift'][1]*(r-1) +')'; | |
| }) | |
| .each( function(r){ | |
| d3.select(this) | |
| .selectAll('.cell') | |
| .data( d3.range( ncol ) ) | |
| .call( function(s){ | |
| s.enter() | |
| .append( type['type']) //in the yaml | |
| .classed('cell',true) | |
| .each( function(c){ | |
| var _this = this; | |
| d3.entries( type['attr'] ) | |
| .forEach( function(kv){ | |
| d3.select( _this ) | |
| .attr( kv['key'], kv['value'] ); | |
| }) | |
| }) | |
| .attr( 'fill', function(c){ | |
| var id = pattern[ (r*ncol+c)%pattern.length ]['id']; | |
| return "url("+id+")" | |
| }) | |
| .attr( 'fill-opacity', ".6") | |
| }); | |
| }) | |
| }); | |
| //Make defs -> patterns | |
| // append ids to pattern data | |
| //Make SVG Polygons | |
| //Add Interactions to Polygons | |
| //Add Transition to polygons | |
| d3.selectAll( '.cell' ) | |
| .on( 'mouseenter', function(){ | |
| d3.select(this) | |
| .attr( 'fill-opacity',1) | |
| }) | |
| .on( 'mouseleave', function(){ | |
| d3.select(this) | |
| .transition( ) | |
| .attr( 'fill-opacity',.6) | |
| }) | |
| .on( 'click', function(d,i){ | |
| // go somewhere | |
| }) | |
| function mousemoved() { | |
| var m = d3.mouse(this); | |
| console.log(m); | |
| desiredFocus = [ | |
| Math.round((m[0] - width / 2) / nrow) * nrow + width / 2, | |
| Math.round((m[1] - height / 2) / nrow) * nrow + height / 2 | |
| ]; | |
| moved(); | |
| } | |
| function moved() { | |
| if (idle) d3.timer(function() { | |
| if (idle = Math.abs(desiredFocus[0] - currentFocus[0]) < .5 && Math.abs(desiredFocus[1] - currentFocus[1]) < .5) | |
| currentFocus = desiredFocus; | |
| else currentFocus[0] += (desiredFocus[0] - currentFocus[0]) * .14, currentFocus[1] += (desiredFocus[1] - currentFocus[1]) * .14; | |
| g.style(transform, "translate(" + ( (width / 2 - currentFocus[0]) / nrow - (width/2)) + "px," + (height / 2 - currentFocus[1]) / nrow + "px)"); | |
| return idle; | |
| }); | |
| } | |
| svg.on('mousemove', mousemoved ) | |
| })(); | |
| </script> | |
| </body> | |
| </html> |
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