我是谷歌可视化的初学者。 我在使"插值空值:true"选项与注释图表正常工作时遇到问题。 如果我将相同的数据集与基本折线图一起使用,它会按预期工作。 这是我的代码和生成的图表:
<script type='text/javascript'>
google.load('visualization', '1.1', {'packages':['Annotationchart']});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data1 = new google.visualization.DataTable(<?=$json1?>);
var data2 = new google.visualization.DataTable(<?=$json2?>);
var joinedData = google.visualization.data.join(data1, data2, 'full', [[0, 0]], [1], [1]);
var chart1 = new google.visualization.AnnotationChart(document.getElementById('chart1'));
var options = {
displayAnnotations: false,
thickness: 2,
colors: ['red', 'blue'],
interpolateNulls: true,
curveType: 'function',
};
chart1.draw(joinedData, options);
}
生产:
https://i.stack.imgur.com/2kHv6.jpg
而:
<script type='text/javascript'>
google.load('visualization', '1', {'packages':['corechart']});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data1 = new google.visualization.DataTable(<?=$json1?>);
var data2 = new google.visualization.DataTable(<?=$json2?>);
var joinedData = google.visualization.data.join(data1, data2, 'full', [[0, 0]], [1], [1]);
var chart1 = new google.visualization.LineChart(document.getElementById('chart1'));
var options = {
displayAnnotations: false,
thickness: 2,
colors: ['red', 'blue'],
interpolateNulls: true,
curveType: 'function',
};
chart1.draw(joinedData, options);
}
生产:
https://i.stack.imgur.com/7YOKv.jpg
我错过了什么?
提前感谢!
AnnotationChart 没有interpolateNulls
选项。请参阅谷歌文档注释图。