質問編集履歴
2
追記
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@@ -30,6 +30,12 @@
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<script src="palette.js" type="text/javascript"></script>
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<body>
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<canvas id="mybarChart2" height="245" width="550"></canvas>
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</body>
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<script>
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var myChart = "mybarChart2";
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1
ソースコードの追加
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test
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@@ -21,3 +21,321 @@
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Chart.jsは2.7.1を使用しています。
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```html
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<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.1/Chart.bundle.min.js"></script>
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<script src="palette.js" type="text/javascript"></script>
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<script>
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var myChart = "mybarChart2";
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var xlabel = ["１１１", "２２２", "３３３", "４４４", "５５５", "６６６", "７７７"];
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var ylabel = ["あいうえお", "かきくけこ", "さしすせそ", "たちつてと", "なにぬねの", "はひふへほ", "まみむめも", "やゆよ", "らりるれろ", "わを", "ん", "ん"];
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var hlxlabel = [];
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for(count in xlabel){
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var string ="";
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if(xlabel[count].length >= 7){
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string = xlabel[count].substr(0,6) + '…';
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}else{
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string = xlabel[count]
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}
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hlxlabel.push(string);
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}
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var hlylabel = [];
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for(count in ylabel){
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var string ="";
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if(ylabel[count].length >= 7){
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string = ylabel[count].substr(0,6) + '…';
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}else{
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string = ylabel[count]
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}
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hlylabel.push(string);
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}
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var colors = palette('rainbow', ylabel.length, 0, .5).map(function(hex) {return '#' + hex;})
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var dataLabelPlugin = {
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afterDatasetsDraw: function (chart, easing) {
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var ctx = chart.ctx;
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var sums = [];
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chart.data.datasets.forEach(function (dataset, i) {
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var meta = chart.getDatasetMeta(i);
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if (!meta.hidden) {
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meta.data.forEach(function (element, index) {
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// 積み上げ総計の初期化
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if(i === 0){
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sums[index] = 0;
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}
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// 総計ラベルの設定
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ctx.fillStyle = 'rgb(0, 0, 0)';
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var fontSize = 11;
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var fontStyle = 'normal';
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var fontFamily = 'Helvetica Neue';
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ctx.font = Chart.helpers.fontString(fontSize, fontStyle, fontFamily);
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ctx.textAlign = 'center';
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ctx.textBaseline = 'middle';
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var padding = 0;
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var position = element.tooltipPosition();
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// 総計出力
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sums[index] = sums[index] + dataset.data[index];
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if(i === (chart.data.datasets.length -1)){
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ctx.fillText(sums[index].toString(), position.x, position.y - (fontSize / 2) - padding);
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}
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});
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}
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});
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}
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}
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var chart = new Chart(myChart, {
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type: 'bar',
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data: {
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labels: hlxlabel,
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datasets: [
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{label: ylabel[0],backgroundColor: colors[0],data: [1, 4, 3, 2, 5, 5, 8]},
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{label: ylabel[1],backgroundColor: colors[1],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[2],backgroundColor: colors[2],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[3],backgroundColor: colors[3],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[4],backgroundColor: colors[4],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[5],backgroundColor: colors[5],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[6],backgroundColor: colors[6],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[7],backgroundColor: colors[7],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[8],backgroundColor: colors[8],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[9],backgroundColor: colors[9],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[10],backgroundColor: colors[10],data: [1, 4, 3, 2, 5, 9, 8]},
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{label: ylabel[11],backgroundColor: colors[11],data: [1, 4, 3, 2, 5, 9, 8]},
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]
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},
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options: {
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title:{
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text:"数字 × ひらがな",
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display:true,
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fontSize:17,
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fontStyle:'normal',
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padding:10,
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},
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scales : {
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xAxes : [ {
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stacked : true,
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categoryPercentage : 0.5,
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ticks : {
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autoSkip : false,
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maxRotation : 30,
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},
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} ],
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yAxes : [ {
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stacked : true
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} ],
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},
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legend:{
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labels:{
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boxWidth:10,
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fontSize:10,
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padding:6,
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generateLabels: function(chart){
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return chart.data.datasets.map( function( dataset, i){
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return {
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text: hlylabel[i],
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fillStyle: dataset.backgroundColor,
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};
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})
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},
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},
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display: true,
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position: "right",
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},
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maintainAspectRatio: false,
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responsive: false,
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tooltips:{
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mode:'label',
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position: 'customMode',//nearest
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callbacks:{
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title: function (tooltipItem, data){
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return xlabel[tooltipItem[0].index];
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},
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},
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},
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},
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plugins: [dataLabelPlugin]
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});
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Chart.Tooltip.positioners.customMode = function(elements, eventPosition){
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var tooltip = this;
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if(!elements.length){
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return false;
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}
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var i, le;
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var x = 0;
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var y = 0;
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var count = 0;
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for(i = 0, len = elements.length; i < len; ++i){
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var el = elements[i];
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if(el && el.hasValue()){
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var pos = el.tooltipPosition();
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x += pos.x;
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y += pos.y
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++count;
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}
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}
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return{
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x: Math.round(x / count),
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y: 207//Math.round(y / count)
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};
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}
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338
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</script>
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340
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|
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341
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```
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