是否可以使用 Google Charts 制定阈值?
我有一个 5 列的 Google 组合图表。理论上,如果第二列低于 50,我想使用 addRange 格式化函数来更改它的颜色。(基本上它是一个激励工具。你的每日目标是至少拨打 50 次电话。如果你不这样做,图表显示向上为红色,如果你这样做,那么它是默认颜色)
这是我当前创建图表的代码,而不是格式。谢谢。
// Load the Visualization API and the piechart package.
google.load('visualization', '1.0', {'packages':['corechart']});
// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(drawChart);
// Callback that creates and populates a data table,
// instantiates the pie chart, passes in the data and
// draws it.
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Rep');
data.addColumn('number', 'Yesterday');
data.addColumn('number', 'Last 7');
data.addColumn('number', 'Last 30');
data.addColumn('number', 'The Bar');
$("#data-table thead th").each(function(){
var initials = $(this).text();
var yesterday = parseInt($("." + initials + ".Yesterday").text());
var seven = parseInt($("." + initials + ".seven").text());
var thirty = parseInt($("." + initials + ".thirty").text());
data.addRow([initials, yesterday, seven, thirty, 50]);
});
// Set chart options
var title = $("#data-table caption").text();
var options = {'title':title,
seriesType: 'bars',
series: {3: {type: "line"}},
hAxis: {title: 'Rep'},
vAxis: {title: 'Outbound Calls'}
};
var formatter = new google.visualization.TableColorFormat();
formatter.addRange(50,0, 'red', '#000');
formatter.format(data, 1);
// Instantiate and draw our chart, passing in some options.
var chart = new google.visualization.ComboChart(document.getElementById('call-log'));
chart.draw(data, options);
}