121 lines
4.4 KiB
HTML
121 lines
4.4 KiB
HTML
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<!--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<html>
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<head>
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<meta charset="utf-8">
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<script src="lib/esl.js"></script>
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<script src="lib/config.js"></script>
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<script src="lib/perlin.js"></script>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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</head>
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<body>
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<style>
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html, body, #main {
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width: 100%;
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height: 100%;
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margin: 0;
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}
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</style>
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<div id="main"></div>
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<script>
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require([
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'echarts'
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// 'echarts/chart/heatmap',
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// 'echarts/chart/scatter',
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// 'echarts/component/legend',
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// 'echarts/component/visualMap',
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// 'echarts/component/grid',
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// 'echarts/component/polar',
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// 'echarts/component/tooltip'
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], function (echarts) {
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var chart = echarts.init(document.getElementById('main'));
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// function normalDist(theta, x) {
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// return 1 / (theta * Math.sqrt(2 * Math.PI)) * Math.exp(- x * x / 2 / theta / theta);
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// }
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var xData = [];
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var yData = [];
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noise.seed(Math.random());
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function generateData(theta, min, max) {
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var data = [];
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for (var i = 0; i <= 300; i++) {
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for (var j = 0; j <= 300; j++) {
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// var x = (max - min) * i / 200 + min;
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// var y = (max - min) * j / 100 + min;
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data.push([i, j, noise.perlin2(i / 40, j / 20) + 0.5]);
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// data.push([i, j, normalDist(theta, x) * normalDist(theta, y)]);
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}
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yData.push(i);
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xData.push(i);
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}
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return data;
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}
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var data = generateData(2, -5, 5);
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// console.profile('render');
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console.time('render');
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chart.setOption({
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tooltip: {},
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xAxis: {
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type: 'category',
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data: xData
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},
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yAxis: {
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type: 'category',
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data: yData
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},
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visualMap: {
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// type: 'piecewise',
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min: 0,
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max: 1,
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calculable: true,
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splitNumber: 8,
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inRange: {
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color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026']
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}
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},
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series: [{
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name: 'Gaussian',
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type: 'heatmap',
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data: data,
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itemStyle: {
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emphasis: {
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borderColor: '#333',
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borderWidth: 2
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}
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},
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progressive: 1000,
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// silent: true,
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// progressive: 0,
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// progressiveThreshold: 30000,
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animation: false
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}]
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});
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console.timeEnd('render');
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// console.profileEnd('render');
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});
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</script>
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</body>
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</html>
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