radar.html 3.2 KB

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  1. <!DOCTYPE html>
  2. <html lang="en-US">
  3. <head>
  4. <meta charset="utf-8">
  5. <meta http-equiv="X-UA-Compatible" content="IE=Edge">
  6. <meta name="viewport" content="width=device-width, initial-scale=1">
  7. <link rel="stylesheet" type="text/css" href="../style.css">
  8. <link rel="icon" type="image/ico" href="../favicon.ico">
  9. <script src="https://cdn.jsdelivr.net/npm/chart.js@2.7.0/dist/Chart.min.js"></script>
  10. <script src="../../chartjs-plugin-datalabels.js"></script>
  11. <script src="../utils.js"></script>
  12. </head>
  13. <body>
  14. <div id="side">
  15. <div id="header"></div>
  16. <div id="actions">
  17. <button onclick="randomize(this)">Randomize</button>
  18. <button onclick="addData(this)">Add Data</button>
  19. <button onclick="removeData(this)">Remove Data</button>
  20. </div>
  21. </div>
  22. <div id="charts">
  23. <div class="wrapper"><canvas id="chart-0"></canvas></div>
  24. </div>
  25. <script>
  26. var SAMPLE_INFO = {
  27. group: 'Charts',
  28. name: 'Radar',
  29. };
  30. </script>
  31. <script id="script-init">
  32. var DATA_COUNT = 6;
  33. var labels = [];
  34. Samples.srand(6);
  35. for (var i = 0; i < DATA_COUNT; ++i) {
  36. labels.push('' + i);
  37. }
  38. Chart.helpers.merge(Chart.defaults.global, {
  39. maintainAspectRatio: false,
  40. tooltips: false,
  41. layout: {
  42. padding: 16
  43. },
  44. elements: {
  45. point: {
  46. hoverRadius: 7,
  47. radius: 5
  48. }
  49. },
  50. plugins: {
  51. legend: false,
  52. title: false
  53. }
  54. });
  55. </script>
  56. <script id="script-construct">
  57. var chart = new Chart('chart-0', {
  58. type: 'radar',
  59. data: {
  60. labels: labels,
  61. datasets: [{
  62. backgroundColor: Samples.transparentize(Samples.color(0), 0.75),
  63. borderColor: Samples.color(0),
  64. data: Samples.numbers({
  65. count: DATA_COUNT,
  66. min: 0,
  67. max: 100
  68. })
  69. }, {
  70. backgroundColor: Samples.transparentize(Samples.color(1), 0.75),
  71. borderColor: Samples.color(1),
  72. data: Samples.numbers({
  73. count: DATA_COUNT,
  74. min: 0,
  75. max: 100
  76. })
  77. }, {
  78. backgroundColor: Samples.transparentize(Samples.color(2), 0.75),
  79. borderColor: Samples.color(2),
  80. data: Samples.numbers({
  81. count: DATA_COUNT,
  82. min: 0,
  83. max: 100
  84. })
  85. }]
  86. },
  87. options: {
  88. plugins: {
  89. datalabels: {
  90. backgroundColor: function(context) {
  91. return context.dataset.borderColor;
  92. },
  93. color: 'white',
  94. padding: 4,
  95. font: {
  96. size: 10,
  97. weight: 'bold'
  98. },
  99. formatter: Math.round
  100. }
  101. }
  102. }
  103. });
  104. </script>
  105. <script id="script-actions">
  106. function randomize() {
  107. chart.data.datasets.forEach(function(dataset, i) {
  108. var color = Samples.color();
  109. dataset.backgroundColor = Samples.transparentize(color, 0.75),
  110. dataset.borderColor = color;
  111. dataset.data = dataset.data.map(function(value) {
  112. return Samples.rand(0, 100);
  113. });
  114. });
  115. chart.update();
  116. }
  117. function addData() {
  118. chart.data.labels.push(chart.data.labels.length);
  119. chart.data.datasets.forEach(function(dataset, i) {
  120. dataset.data.push(Samples.rand(0, 100));
  121. });
  122. chart.update();
  123. }
  124. function removeData() {
  125. if (chart.data.labels.length > 3) {
  126. chart.data.labels.shift();
  127. chart.data.datasets.forEach(function(dataset, i) {
  128. dataset.data.shift();
  129. });
  130. chart.update();
  131. }
  132. }
  133. </script>
  134. </body>
  135. </html>