Shows use of .transition() with .transform()
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Collapsible Area Plot Matrix
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| <html> | |
| <head> | |
| <style> | |
| body{ | |
| overflow: hidden; | |
| padding: 0; | |
| margin: 0; | |
| } | |
| path{ | |
| fill-opacity: 0.2; | |
| stroke-width: 2; | |
| } | |
| #controls{ | |
| position:fixed; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="controls"> | |
| <button id="collapse">Collapse</button> | |
| <button id="make_data">New Data</button> | |
| </div> | |
| <!-- Firefox doesn't assume the SVG is as big as its contents --> | |
| <svg width="100%" height="100%"></svg> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script type="text/javascript" charset="utf-8" src="script.js"></script> | |
| </body> | |
| </html> |
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| var svg = d3.select("svg"), | |
| color = d3.scale.category10(), | |
| width, | |
| height, | |
| collapsed = 0; | |
| var data = make_data(); | |
| function make_data(){ | |
| var rows = 4, | |
| cols = 4, | |
| points = 100; | |
| return d3.range(rows).map(function(){ | |
| return d3.range(cols).map(function(){ | |
| return d3.range(points).map(function(){ | |
| return Math.random(); | |
| }); | |
| }); | |
| }); | |
| } | |
| // scales: (r)ow (c)ell (p)ath | |
| var y_r, x_c, x_p, y_p; | |
| var area = d3.svg.area() | |
| .interpolate("basis") | |
| .x(function(d, i) { return x_p(i); }) | |
| .y1(function(d) { return y_p(d); }); | |
| function update_scales(){ | |
| width = window.innerWidth - 1; | |
| height = window.innerHeight - 12; | |
| y_r = d3.scale.linear() | |
| .domain([0, data.length]) | |
| .range([0, height]); | |
| x_c = d3.scale.linear() | |
| .domain([0, collapsed ? 0 : data[0].length]) | |
| .range([0, width]); | |
| y_p = d3.scale.linear().range([0, y_r(1)]); | |
| x_p = d3.scale.linear() | |
| .domain([0, data[0][0].length - 1]) | |
| .range([0, 100]); | |
| area.y0(y_r(1)) | |
| } | |
| function tx(mode){ | |
| return function(x, y){ | |
| return mode + "(" + x + "," + y + ") "; | |
| } | |
| } | |
| tx.t = tx("translate"); | |
| tx.s = tx("scale"); | |
| function tx_row(rows){ | |
| rows.attr("transform", function(d, i){return tx.t(0, y_r(i));}); | |
| } | |
| function tx_cell(cells){ | |
| cells.attr("transform", function(d, i){ | |
| return tx.t(collapsed ? 0 : x_c(i), 0) + ( | |
| tx.s((collapsed ? width : x_c(1))/100, 1) | |
| ); | |
| }); | |
| } | |
| function render(){ | |
| update_scales(); | |
| var outer = svg.selectAll("g.outer") | |
| .data([1]), | |
| outer_init = outer.enter() | |
| .append("g") | |
| .attr("class", "outer"), | |
| rows = outer.selectAll("g.row") | |
| .data(data), | |
| row_init = rows.enter() | |
| .append("g").attr("class", "row") | |
| .call(tx_row), | |
| cells = rows.selectAll("g.cell") | |
| .data(function(row){return row;}), | |
| cell_init = cells.enter() | |
| .append("g").attr("class", "cell") | |
| .call(tx_cell), | |
| path = cells.select("path"), | |
| path_init = cell_init.append("path") | |
| .style("stroke", function(d, i){return color(i);}) | |
| .style("fill", function(d, i){return color(i);}) | |
| .attr("d", area) | |
| .attr("vector-effect", "non-scaling-stroke"); | |
| path | |
| .transition() | |
| .ease("back") | |
| .attr("d", area); | |
| cells | |
| .transition() | |
| .call(tx_cell); | |
| } | |
| d3.selectAll("button") | |
| .on("click", function(){ | |
| switch(d3.select(this).attr("id")){ | |
| case "collapse": | |
| collapsed = !collapsed; break; | |
| case "make_data": | |
| data = make_data(); break; | |
| } | |
| render(); | |
| }); | |
| d3.select(window) | |
| .on("resize", render); | |
| render(); |
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