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feat(sample): add demo to compare samples
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| <!-- | ||
| Licensed to the Apache Software Foundation (ASF) under one | ||
| or more contributor license agreements. See the NOTICE file | ||
| distributed with this work for additional information | ||
| regarding copyright ownership. The ASF licenses this file | ||
| to you under the Apache License, Version 2.0 (the | ||
| "License"); you may not use this file except in compliance | ||
| with the License. You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, | ||
| software distributed under the License is distributed on an | ||
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| KIND, either express or implied. See the License for the | ||
| specific language governing permissions and limitations | ||
| under the License. | ||
| --> | ||
| <!doctype html> | ||
| <html> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <title>ECharts Demo</title> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1"> | ||
| </head> | ||
| <body> | ||
| <h2 id="wait">Loading lib....</h2> | ||
|
|
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| <div id="container" style="height: 600px; width: 100%;"></div> | ||
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| <script src="lib/esl.js"></script> | ||
| <script src="lib/config.js"></script> | ||
| <script> | ||
| require([ | ||
| 'echarts' | ||
| // 'echarts/chart/sankey', | ||
| // 'echarts/component/tooltip' | ||
| ], function (echarts) { | ||
| function round2(val) { | ||
| return Math.round(val * 100) / 100; | ||
| } | ||
|
|
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| function round3(val) { | ||
| return Math.round(val * 1000) / 1000; | ||
| } | ||
|
|
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| function prepData(packed) { | ||
| // console.time('prep'); | ||
|
|
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| // epoch,idl,recv,send,read,writ,used,free | ||
|
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| const numFields = packed[0]; | ||
| packed = packed.slice(numFields + 1); | ||
|
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| var cpu = Array(packed.length/numFields); | ||
|
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| for (let i = 0, j = 0; i < packed.length; i += numFields, j++) { | ||
| let date = packed[i] * 60 * 1000; | ||
| cpu[j] = [date, round3(100 - packed[i+1])]; | ||
| } | ||
|
|
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| // console.timeEnd('prep'); | ||
|
|
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| return [cpu]; | ||
| } | ||
|
|
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| function makeChart(data) { | ||
| console.time('chart'); | ||
|
|
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| var dom = document.getElementById("container"); | ||
| var myChart = echarts.init(dom); | ||
|
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| let opts = { | ||
| grid: { | ||
| left: 40, | ||
| top: 0, | ||
| right: 0, | ||
| bottom: 30, | ||
| }, | ||
| xAxis: { | ||
| type: 'time', | ||
| splitLine: { | ||
| show: false | ||
| }, | ||
| data: data[0], | ||
| }, | ||
| yAxis: { | ||
| type: 'value' | ||
| }, | ||
| legend: { | ||
| }, | ||
| series: [ | ||
| { | ||
| name: 'none', | ||
| type: 'line', | ||
| showSymbol: false, | ||
| hoverAnimation: false, | ||
| data: data[0], | ||
| lineStyle: { | ||
| normal: { | ||
| opacity: 0.5, | ||
| width: 1 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| name: 'lttb', | ||
| type: 'line', | ||
| showSymbol: false, | ||
| hoverAnimation: false, | ||
| data: data[0], | ||
| sampling: 'lttb', | ||
| lineStyle: { | ||
| normal: { | ||
| opacity: 0.5, | ||
| width: 1 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| name: 'average', | ||
| type: 'line', | ||
| showSymbol: false, | ||
| hoverAnimation: false, | ||
| data: data[0], | ||
| sampling: 'average', | ||
| lineStyle: { | ||
| normal: { | ||
| opacity: 0.5, | ||
| width: 1 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| name: 'max', | ||
| type: 'line', | ||
| showSymbol: false, | ||
| hoverAnimation: false, | ||
| data: data[0], | ||
| sampling: 'max', | ||
| lineStyle: { | ||
| normal: { | ||
| opacity: 0.5, | ||
| width: 1 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| name: 'min', | ||
| type: 'line', | ||
| showSymbol: false, | ||
| hoverAnimation: false, | ||
| data: data[0], | ||
| sampling: 'min', | ||
| lineStyle: { | ||
| normal: { | ||
| opacity: 0.5, | ||
| width: 1 | ||
| } | ||
| } | ||
| }, | ||
| ] | ||
| }; | ||
|
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| myChart.setOption(opts, true); | ||
|
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| wait.textContent = "Done!"; | ||
| console.timeEnd('chart'); | ||
| } | ||
|
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| let wait = document.getElementById("wait"); | ||
| wait.textContent = "Fetching data.json (2.07MB)...."; | ||
| fetch("./data/large-data.json").then(r => r.json()).then(packed => { | ||
| wait.textContent = "Rendering..."; | ||
| let data = prepData(packed); | ||
| setTimeout(() => makeChart(data), 0); | ||
| }); | ||
| }); | ||
| </script> | ||
| </body> | ||
| </html> |