Currently I use 2 charts where second one is located under the first to
look like one. See how it look at
http://www.marketvolume.com/quotes/breadthindexhighlowchart.asp?s=SPX
The question is whether it can be done as a one chart as separate panes.
You have to note that scaling could vary greatly - index could be moving
around 2000 while the indicator around 50. That is why two separate panes
are needed. It would be nice to ave one chart with one cross hair moving
over both panes.
Currently I sue the code below:
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart1);
google.setOnLoadCallback(drawChart2);
function drawChart1(){
var data = new google.visualization.DataTable();
data.addColumn('string', 'Date');
data.addColumn('number', 'Close');
data.addColumn({type: 'string', role: 'tooltip'});
data.addRows([SomeData]);
var options = {
title: 'SomeTitle',
colors:['black'],
legend: {position: 'none'},
chartArea:{left:60,top:20,width:'90%',height:'90%'}
};
var chart = new
google.visualization.LineChart(document.getElementById('chart1_div'));
chart.draw(data, options);
}
function drawChart2(){
var data = new google.visualization.DataTable();
data.addColumn('string', 'Date');
data.addColumn('number', 'Breadth');
data.addColumn({type: 'string', role: 'tooltip'});
data.addRows([Somedata]);
var options = {
title: 'High-Low Breadth Index',
legend: {position: 'none'},
chartArea:{left:60,top:20,width:'90%',height:'60%'}
};
var chart = new
google.visualization.LineChart(document.getElementById('chart2_div'));
chart.draw(data, options);
}
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