I want my legend in my column chart and want to customize the tooltip on
hovering the chart column
following is my code :
if i remove my legend part it will work but i want to keep my legend in my
chart
\google.setOnLoadCallback(drawChart);
function drawChart() {
var dataTable = google.visualization.arrayToDataTable([
['state' , 'count', 'null'],
['', 16,'Total Count'],
['Assam', 4,'Total Count'],
['Chhattisgarh', 1,'Total Count'],
['Maharashtra', 245,'Total Count'],
['Meghalaya', 17,'Total Count'],
['Odisha', 13,'Total Count'],
['Undefined', 2,'Total Count'],
['West Bengal', 11,'Total Count'] ]);
// A column for custom tooltip content
//dataTable.addColumn({type: 'string', role: 'tooltip'});
var pausecontent = ["West Bengal", "Undefined", "Odisha", "Meghalaya",
"Maharashtra", "Chhattisgarh", "Assam", ""];
/****************************************************************/
// set the columns to use in the chart's view (columns object is used
in the view)
// calculated columns put data belonging to each country in the proper
column
var columns = [0];
for (var i = 0; i < pausecontent.length; i++) {
columns.push({
type: 'number',
label: pausecontent[i],
calc: (function (x) {
return function (dt, row) {
//return (row == pausecontent[x]) ? dt.getValue(row, 1)
: null;
return (dt.getValue(row, 0) == pausecontent[x]) ? dt.
getValue(row, 1) : null;
}
})(i)
});
}
dataTable.setColumnProperty(2, 'role', 'tooltip');
//var options = { legend: 'none', };
//var chart = new
google.visualization.ColumnChart(document.getElementById('visualization'));
var chart = new google.visualization.ChartWrapper({
chartType: 'ColumnChart',
containerId: 'visualization',
dataTable: dataTable,
options: {
// setting the "isStacked" option to true fixes the spacing
problem
'title': 'State Wise Coverage Performance',
'isStacked': true,
'height': 300,
'width': 800,
bar: {groupWidth: '90%'},
},
view: {
columns: columns
}
});
chart.draw();
}
Please help ,
*Thanks in advance *
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