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| license: mit |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .cells { | |
| fill: #aaa; | |
| } | |
| .label { | |
| text-anchor: start; | |
| font: 24px sans-serif; | |
| } | |
| </style> | |
| <button onclick="remove()">clear</button> | |
| <svg width="960" height="990"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var formatNumber = d3.format(",d"); | |
| var svg = d3.select("svg"); | |
| function remove() { | |
| var cellUpdate = cell.selectAll("rect") | |
| const length = cell.selectAll("rect").data().length | |
| var cellExit = cellUpdate.transition() | |
| .delay(function(d, i) { return (length - i) * 7; }) | |
| .duration(updateDuration) | |
| .attr("width", 0) | |
| .remove(); | |
| } | |
| var width = +svg.attr("width"), | |
| height = +svg.attr("height"); | |
| var groupSpacing = 3, | |
| cellSpacing = 1, | |
| cellSize = Math.floor((width - 11 * groupSpacing) / 100) - cellSpacing, | |
| offset = Math.floor((width - 100 * cellSize - 90 * cellSpacing - 11 * groupSpacing) / 2); | |
| var updateDuration = 125, | |
| updateDelay = updateDuration / 500; | |
| var cell = svg.append("g") | |
| .attr("class", "cells") | |
| .attr("transform", "translate(" + offset + "," + (offset + 30) + ")"); | |
| var label = svg.append("text") | |
| .attr("class", "label"); | |
| function update(n1) { | |
| var cellUpdate = cell.selectAll("rect") | |
| .data(d3.range(n1)); | |
| var n0 = cell.selectAll("rect").size(); | |
| // var cellExit = cellUpdate.exit().transition() | |
| // .delay(function(d, i) { return (n0 - i) * updateDelay; }) | |
| // .duration(updateDuration) | |
| // .attr("width", 0) | |
| // .remove(); | |
| var cellEnter = cellUpdate.enter().append("rect") | |
| .attr("width", 0) | |
| .attr("height", cellSize) | |
| .attr("x", function(i) { | |
| var x0 = Math.floor(i / 100) % 10, x1 = Math.floor(i % 10); | |
| return groupSpacing * x0 + (cellSpacing + cellSize) * (x1 + x0 * 10); | |
| }) | |
| .attr("y", function(i) { | |
| var y0 = Math.floor(i / 1000), y1 = Math.floor(i % 100 / 10); | |
| return groupSpacing * y0 + (cellSpacing + cellSize) * (y1 + y0 * 10); | |
| }) | |
| .transition() | |
| .delay(function(d, i) { return (i - n0) * updateDelay; }) | |
| .duration(updateDuration) | |
| .attr("width", cellSize); | |
| label | |
| .attr("x", offset + groupSpacing) | |
| .attr("y", offset + groupSpacing) | |
| .attr("dy", ".71em") | |
| .transition() | |
| .duration(Math.abs(n1 - n0) * updateDelay + updateDuration / 2) | |
| .ease(d3.easeLinear) | |
| .tween("text", function() { | |
| var self = this; | |
| var i = d3.interpolateNumber(n0, n1); | |
| return function(t) { | |
| self.textContent = formatNumber(Math.round(i(t))); | |
| }; | |
| }); | |
| } | |
| update(500); | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
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