I wanted to enable users to filter the results being displayed on the chart. Google API provides CategoryFilter which enforces filtering by rows. Here is my code which works perfectly fine
<html>
<head>
<!--Load the Ajax API-->
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script type="text/javascript">
// Load the Visualization API and the piechart package.
google.load('visualization', '1', {'packages':['controls']});
// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(drawChart);
function drawChart() {
// Create our data table out of JSON data loaded from server.
var data = new google.visualization.DataTable(<?=$jsonTable?>);
var countryPicker = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'negeri',
dataTable: data,
options: {
filterColumnLabel: 'Negeri',
ui: {
labelStacking: 'vertical',
allowTyping: false,
allowMultiple: true
}
},
// Define an initial state, i.e. a set of metrics to be initially selected.
state: {'selectedValues': ['Kedah', 'Johor']}
});
var chart = new google.visualization.ChartWrapper({
chartType: 'ColumnChart',
containerId: 'chart_div',
options: {
title: 'Statistik Negeri vs. Kategori Sukan',
width: 1000,
height: 1000,
hAxis: {title: 'Negeri', titleTextStyle: {color: 'blue'}},
vAxis: {title: 'Jumlah Kategori', titleTextStyle: {color: 'blue'}}
}
});
// Create the dashboard.
new google.visualization.Dashboard(document.getElementById('dashboard')).
// Configure the controls so that:
// - the 'Country' selection drives the 'Region' one,
// - the 'Region' selection drives the 'City' one,
// - and finally the 'City' output drives the chart
bind(countryPicker, chart).
// Draw the dashboard
draw(data);
}
</script>
</head>
<body>
<div id="dashboard">
<div id="negeri"></div>
<div id="chart_div"></div>
</div>
</body>
</html>
However in my datatable, I would also want to filter by columns. These two types of filtering should work together. (dependent; by bind() function). I have referred to #asgallant http://jsfiddle.net/asgallant/WaUu2/ and that is the feature that I wanted to combine with.
How can I possibly combine them? I have tried combining setChartView() by #asgallant with google's dashboard() but it's not working.
<html>
<head>
<!--Load the Ajax API-->
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script type="text/javascript">
// Load the Visualization API and the piechart package.
google.load('visualization', '1', {'packages':['controls']});
// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(drawChart);
function drawChart() {
// Create our data table out of JSON data loaded from server.
var data = new google.visualization.DataTable(<?=$jsonTable?>);
var columnsTable = new google.visualization.DataTable();
columnsTable.addColumn('number', 'colIndex');
columnsTable.addColumn('string', 'colLabel');
var initState= {selectedValues: []};
// put the columns into this data table (skip column 0)
for (var i = 1; i < data.getNumberOfColumns(); i++) {
columnsTable.addRow([i, data.getColumnLabel(i)]);
// you can comment out this next line if you want to have a default selection other than the whole list
initState.selectedValues.push(data.getColumnLabel(i));
}
var countryPicker = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'negeri',
dataTable: data,
options: {
filterColumnLabel: 'Negeri',
ui: {
labelStacking: 'vertical',
allowTyping: false,
allowMultiple: true
}
},
// Define an initial state, i.e. a set of metrics to be initially selected.
state: {'selectedValues': ['Kedah', 'Johor']}
});
var columnFilter = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'colFilter_div',
dataTable: columnsTable,
options: {
filterColumnLabel: 'colLabel',
ui: {
label: 'Kategori Sukan',
allowTyping: false,
allowMultiple: true,
allowNone: false,
selectedValuesLayout: 'belowStacked'
}
},
state: initState
});
var chart = new google.visualization.ChartWrapper({
chartType: 'ColumnChart',
containerId: 'chart_div',
options: {
title: 'Statistik Negeri vs. Kategori Sukan',
width: 1000,
height: 1000,
hAxis: {title: 'Negeri', titleTextStyle: {color: 'blue'}},
vAxis: {title: 'Jumlah Kategori', titleTextStyle: {color: 'blue'}}
}
});
// Create the dashboard.
new google.visualization.Dashboard(document.getElementById('dashboard')).
// Configure the controls so that:
// - the 'Country' selection drives the 'Region' one,
// - the 'Region' selection drives the 'City' one,
// - and finally the 'City' output drives the chart
bind(countryPicker, columnFilter).
bind(columnFilter, chart).
// Draw the dashboard
draw(data);
}
</script>
</head>
<body>
<div id="dashboard">
<div id="negeri"></div>
<div id="chart_div"></div>
</div>
</body>
</html>
You want to bind your countryPicker filter to the chart as normal, but do not bind the columnFilter control to anything - the setChartView function handles everything for the columnFilter. You need to tweak a couple other lines to make it work with a dashboard, but nothing major. This is what it should look like:
function drawChart() {
// Create our data table out of JSON data loaded from server.
var data = new google.visualization.DataTable(<?=$jsonTable?>);
var columnsTable = new google.visualization.DataTable();
columnsTable.addColumn('number', 'colIndex');
columnsTable.addColumn('string', 'colLabel');
var initState= {selectedValues: []};
// put the columns into this data table (skip column 0)
for (var i = 1; i < data.getNumberOfColumns(); i++) {
columnsTable.addRow([i, data.getColumnLabel(i)]);
// you can comment out this next line if you want to have a default selection other than the whole list
initState.selectedValues.push(data.getColumnLabel(i));
}
var countryPicker = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'negeri',
dataTable: data,
options: {
filterColumnLabel: 'Negeri',
ui: {
labelStacking: 'vertical',
allowTyping: false,
allowMultiple: true
}
},
// Define an initial state, i.e. a set of metrics to be initially selected.
state: {'selectedValues': ['Kedah', 'Johor']}
});
var columnFilter = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'colFilter_div',
dataTable: columnsTable,
options: {
filterColumnLabel: 'colLabel',
ui: {
label: 'Kategori Sukan',
allowTyping: false,
allowMultiple: true,
allowNone: false,
selectedValuesLayout: 'belowStacked'
}
},
state: initState
});
var chart = new google.visualization.ChartWrapper({
chartType: 'ColumnChart',
containerId: 'chart_div',
options: {
title: 'Statistik Negeri vs. Kategori Sukan',
width: 1000,
height: 1000,
hAxis: {title: 'Negeri', titleTextStyle: {color: 'blue'}},
vAxis: {title: 'Jumlah Kategori', titleTextStyle: {color: 'blue'}}
}
});
// Create the dashboard.
var dashboard = new google.visualization.Dashboard(document.getElementById('dashboard')).
bind(countryPicker, chart);
function setChartView () {
var state = columnFilter.getState();
var row;
var view = {
columns: [0]
};
for (var i = 0; i < state.selectedValues.length; i++) {
row = columnsTable.getFilteredRows([{column: 1, value: state.selectedValues[i]}])[0];
view.columns.push(columnsTable.getValue(row, 0));
}
// sort the indices into their original order
view.columns.sort(function (a, b) {
return (a - b);
});
chart.setView(view);
chart.draw();
}
google.visualization.events.addListener(columnFilter, 'statechange', setChartView);
var runOnce = google.visualization.events.addListener(dashboard, 'ready', function () {
google.visualization.events.removeListener(runOnce);
setChartView();
});
columnFilter.draw();
dashboard.draw(data);
}
google.load('visualization', '1', {packages:['corechart'], callback: drawChart});
Related
I am using a google timeline similar to the code snippet below. I want my chart to look like the one below. I have managed to get everything to work expect how to add the dashed lines and text notation. Unfortunately, when I am searching for annotations I keep getting the AnnotatedTimeline, which is a different google chart.
Is there a simple way to do this?
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['timeline']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var container = document.getElementById('timeline');
var chart = new google.visualization.Timeline(container);
var dataTable = new google.visualization.DataTable();
dataTable.addColumn({ type: 'string', id: 'President' });
dataTable.addColumn({ type: 'date', id: 'Start' });
dataTable.addColumn({ type: 'date', id: 'End' });
dataTable.addRows([
[ 'Washington', new Date(1789, 3, 30), new Date(1797, 2, 4) ],
[ 'Adams', new Date(1797, 2, 4), new Date(1801, 2, 4) ],
[ 'Jefferson', new Date(1801, 2, 4), new Date(1809, 2, 4) ]]);
chart.draw(dataTable);
}
</script>
</head>
<body>
<div id="timeline" style="height: 180px;"></div>
</body>
</html>
I was able to get this to work by finding the position of the rects. I started by drawing divs for each line I would want to show. Then after the timeline is draw I repositions those divs based on the location of the rectangle. I was not able to get a good minimal working snippet here because of the window positions used in the snippet code, but I got pretty close. In my own code I have it working perfectly.
.hline {
border-left: 5px solid black;
height: 100px;
position:absolute;
visibility:hidden;
top:144px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
</head>
<body>
<div id="timeline" style="height: 180px;"></div>
<div id = "Hline1" class= "hline" > <div style = "position: relative; top:-18px">HLine1</div>
<div id = "Hline2" class= "hline" > <div style = "position: relative; top:-18px">HLine2</div>
<div id = "Hline3" class= "hline" > <div style = "position: relative; top:-18px">HLine3</div>
</div>
</body>
<script>
var options = {
timeline: { showRowLabels: false }
};
const lime="#00ff00" //color for average time
google.charts.load('current', {'packages':['timeline']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var container = document.getElementById('timeline');
var chart = new google.visualization.Timeline(container);
var dataTable = new google.visualization.DataTable();
dataTable.addColumn({ type: 'string', id: 'Project Stage', });
dataTable.addColumn({ type: 'string', id: 'Bar'});
dataTable.addColumn({ type: 'string', role: 'style'});
dataTable.addColumn({ type: 'date', id: 'Start' });
dataTable.addColumn({ type: 'date', id: 'End' });
dataTable.addRows([
[ 'Washington','Washington',lime, new Date(1789, 3, 30), new Date(1797, 2, 4) ],
[ 'Adams', 'Adams',lime, new Date(1797, 2, 4), new Date(1801, 2, 4) ],
[ 'Jefferson','Jefferson',lime, new Date(1801, 2, 4), new Date(1809, 2, 4) ]]);
chart.draw(dataTable,options);
function redraw (){
var rects = $('rect') //get all rectangles on plot.
function checkColor(arr){
var results = [];
for (let i of arr){
var colorCheck=$(i).attr('fill')
var x =$(i).attr('x')
var width = $(i).attr('width')
var x2 =parseFloat(x)+parseFloat(width)
if(colorCheck == lime){results.push(x2)}
};
return results
};
var linPositions = checkColor(rects) //get x coordinates for vertical lines
var yStart = $('rect')
//console.log(linPositions)
yStart = $(yStart[0]).offset().top;
xMargin=$("#timeline").offset().left;
var yHeight = $('rect')
yHeight = $(yHeight[0]).attr('height');
var lineNames=['Hline1','Hline2','Hline3']
for (let i = 0; i < linPositions.length; i++) {
var position = linPositions[i]+xMargin+"px"
var newTop = i*yHeight + yStart
/* set line information based on current chart positions */
document.getElementById(lineNames[i]).style.left = position;
document.getElementById(lineNames[i]).style.visibility = "visible";
document.getElementById(lineNames[i]).style.top = newTop;
document.getElementById(lineNames[i]).style.height = yHeight;
};
};
redraw()
function resizeChart () {
chart.draw(dataTable, options);
}
if (document.addEventListener) {
window.addEventListener('resize', resizeChart);
window.addEventListener('resize', redraw)
}
else if (document.attachEvent) {
window.attachEvent('onresize', resizeChart);
window.attachEvent('onresize', redraw);
}
else {
window.resize = resizeChart;
window.resize = redraw;
}
}
</script>
</html>
I am trying to develop a small web app which query the multiple google spreadsheets and make the graphs on the same page. I can query the single spreadsheet and chart the matching data like this and it is working fine.
<html>
<head>
<title>
Test
</title>
<script src="http://www.google.com/jsapi"></script>
<script src="http://code.jquery.com/jquery-2.0.3.min.js"></script>
<script type="text/javascript" src="https://www.google.com/jsapi">
</script>
<script type="text/javascript">
google.load('visualization', '1', {'packages': ['table', 'controls', 'corechart']});
google.setOnLoadCallback(initialize);
function initialize() {
var urlMonth = 'https://docs.google.com/spreadsheets/d/1y5MgFR67kn1-GHbmeIi6wuC5hmP10x4O8vAs5RWD8Sw/edit#gid=0'
var queryStringMonthly = encodeURIComponent("select A, B, C, D, E, F, G, H, I GROUP BY A LABEL A 'Gene' ");
var queryMonthCurrent = new google.visualization.Query(urlMonth+
queryStringMonthly);
queryMonthCurrent.send(megaData);
}
function megaData(monthData) {
var monthData_table = monthData.getDataTable(firstRowIsHeader = true);
var monthData_tablePivot = new google.visualization.DataTable();
monthData_tablePivot.addColumn('string');
monthData_tablePivot.addColumn('number');
monthData_tablePivot.addColumn({type: 'string', label: 'Gene', role: 'annotation'});
var newRows = []; //
//iterate through each row
for (i = 0; i < monthData_table.getNumberOfRows(); i ++) {
var issue = monthData_table.getValue(i, 0);
//iterate through each column
for (j = 1; j < monthData_table.getNumberOfColumns(); j ++ ){
var newRow = [];
rep = monthData_table.getColumnLabel(j);
newRow.push(rep);
newRow.push(monthData_table.getValue(i, j));
newRow.push(issue);
newRows.push(newRow); //push each newRow to newRows
}
}
monthData_tablePivot.addRows( newRows);
// Create a dashboard.
var dashboard = new google.visualization.Dashboard(
document.getElementById('dashboard_div4'));
// Create filter
var issueFilter = new google.visualization.ControlWrapper({
'controlType': 'StringFilter',
'containerId': 'filter_div4',
'options': {
'filterColumnLabel': 'Gene',
'ui': {
'allowMultiple': false,
'allowNone': false,
}
},
//Set default filter value
'state': {'selectedValues': [monthData_table.getValue(0 , 1)]}
}
);
//create chart
var yearChart = new google.visualization.ChartWrapper({
'chartType': 'ColumnChart',
'containerId': 'current_year',
'options': {
'legend': 'none',
'width': 1100,
'height': 500,
hAxis: {
textStyle: {
color: 'black', // any HTML string color ('red', '#cc00cc')
fontName: 'Times New Roman', // i.e. 'Times New Roman'
fontSize: 12, // 12, 18 whatever you want (don't specify px)
bold: true, // true or false
italic: false // true of false
},
'title': 'Gene', titleTextStyle:{color:'black',fontSize: 16,bold:
true,italic: false}
},
vAxis: {title: 'Expression', titleTextStyle:{color:'black',fontSize:
16,bold: true,italic: false},
textStyle: {
color: 'black', // any HTML string color ('red', '#cc00cc')
fontName: 'Times New Roman', // i.e. 'Times New Roman'
fontSize: 12, // 12, 18 whatever you want (don't specify px)
bold: true, // true or false
italic: false // true of false
}
},
//Set the fontsize of labels so they don't show up crazily
'annotations': {'textStyle': {'opacity': 0},
//use 'line' style so to remove the line
pointer
'style': 'point',
'stemLength': 0
},
}
});
// bind charts and controls to dashboard
dashboard.bind(issueFilter, yearChart);
// Draw the dashboard.
dashboard.draw(monthData_tablePivot);
}
</script>
<style>
.SearchBar input {
height: 30px;
width: 400px;
}
</style>
</head>
<body>
<!--Div that will hold the dashboard-->
<center>
<h2>Seach gene expression</h2>
<div id="dashboard_div4" class="SearchBar" placeholder="Search">
<div id="filter_div4" > </div></center>
<div id="current_year" style="width:1100px; height: 300px;">
</div>
</div>
</html>
This repository is very close to my need but I don't know how to query the multiple spreadsheet. My another spreadsheet look like this
https://docs.google.com/spreadsheets/d/1vmPmaL78N-Ywz7s1y_VRSvQAZxjacN4mo7uKKrWrwzE/edit#gid=0
I'm trying to use Google Charts and seem to be running into issues with titles not displaying. Im using a Column Chart and the vAxis title is not displaying. I also started to make a Material Line Chart and I'm running into the same issue.
Here's the Material Line Chart code:
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {packages: ['corechart','line']});
</script>
</head>
<body>
<div id="container" style="width: 550px; height: 400px; margin: 0 auto"></div>
<script language="JavaScript">
function drawChart() {
// Define the chart to be drawn.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Cycle ID');
data.addColumn('number', '5A Continuous');
data.addColumn('number', '10A Continuous');
data.addColumn('number', '20A Continuous');
data.addColumn('number', '10A Pulse');
data.addColumn('number', '20A Pulse');
data.addRows([
['1', 2548, 2319, 828, 2348, 2192],
['2', 2537, 2306, 829, 2362, 2187],
['3', 2533, 2301, 833, 2347, 2170],
['4', 2530, 2300, 833, 2343, 2156],
['5', 2526, 2297, 837, 2339, 2147],
['6', 2519, 2294, 839, 2340, 2142],
['7', 2510, 2287, 838, 2356, 2146],
['8', 2506, 2276, 839, 2359, 2139],
['9', 2504, 2275, 840, 2346, 2127],
['10', 2500, 2274, 838, 2336, 2119],
]);
var formatter = new google.visualization.NumberFormat({
pattern: '####'
});
formatter.format(data, 1);
formatter.format(data, 2);
formatter.format(data, 3);
formatter.format(data, 4);
formatter.format(data, 5);
// Set chart options
var options = {
chart: {
title: 'LG HG2 Battery Performance Over Cycles',
},
hAxis: {
title: 'Cycle ID',
},
vAxis: {
title: 'Milliamp Hours',
},
'width':550,
'height':400,
lineWidth: 20,
};
// Instantiate and draw the chart.
var chart = new google.charts.Line(document.getElementById('container'));
chart.draw(data, options);
}
google.charts.setOnLoadCallback(drawChart);
</script>
</body>
</html>
Here's the Column Chart Code:
<html>
<head>
<!--Load the AJAX API-->
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
// Load the Visualization API and the corechart package.
google.charts.load('current', {'packages':['corechart']});
// Set a callback to run when the Google Visualization API is loaded.
google.charts.setOnLoadCallback(drawChart);
// create and populate data table,
function drawChart() {
// Create the data table.
var data = google.visualization.arrayToDataTable([
['Test', 'Average mAh', { role: 'style' }],
['Manufacturer Specification', 3000, '#804000' ],
['10A Continuous', 2249.970, '#804000' ],
['20A Continuous', 678.349, '#804000'],
['10A Pulsed', 2327.558, '#804000'],
['20A Pulsed', 2080.586, '#804000'],
]);
var formatter = new google.visualization.NumberFormat({
pattern: '####'
});
formatter.format(data, 1);
// Set chart options
var options = {'title':'Tested Average mAh Ratings - LG HG2',
'width':800,
'height':600,
legend: {position: 'none'},
bar: {groupWidth: '90%'},
vAxis: { gridlines: { count: 8 }, minValue: 500}
};
var chart = new google.visualization.ColumnChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div"></div>
</body>
</html>
Any help is greatly appreciated!
Material charts are in beta and you must use a converter function on your options to ensure they work properly. Here is an example:
chart.draw(data, google.charts.Line.convertOptions(options));
For your column chart, you must explicitly set the vaxis.title option like so:
vAxis: { title: 'Average mAh', gridlines: { count: 8 }, minValue: 500}
I'm creating a chart in Google Script and couldn't set the vAxis title either, and similarly couldn't modify some other attributes.
I found success by modifying vAxes[0] instead.
chart.setOption('vAxes', {0: {title: 'title Text'} } )
or if you're using an options variable:
vAxes: { 0: { title: 'Milliamp Hours' } }
Hope this helps anyone with the same issue.
I have a Google Geochart that is connected to a Google Spreadsheet. The aim of the chart is to show different categories of universities in our state and their locations. I have assigned values in the spreadsheet in order to have the appropriate marker color for the map to denote the categories.
My problem is that the text denoting the type (a number) is showing in the tooltip. (Example: tooltip shows "ABC University Type 3." I need to either hide this text, or create a string based on conditional logic so that, for example, Type 3 translates to "XYZ System" in the tooltip. Which do you think is the better way to do it, and can you provide guidance as to how to do this?
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script>
google.charts.load('current', { 'packages': ['geochart'] });
google.charts.setOnLoadCallback(drawMap);
function drawMap() {
var query = new google.visualization.Query("https://docs.google.com/spreadsheets/d/1m3ujxzPQJh3haReNDzGGF73Mh6-u6HxyCVPK_5MK2hw/gviz/tq?sheet=Sheet3");
query.send(handleQueryResponse);
}
function handleQueryResponse(response) {var data = response.getDataTable();
var options = {
//showTip: true,
mapType: 'styledMap',
useMapTypeControl: true,
resolution: 'provinces',
//displayMode: 'text',
//magnifyingGlass: {'enable': true, 'zoomFactor': '7'},
region: 'US-KY',
keepAspectRatio: true,
legend: 'none',
sizeAxis: { minValue: 1, maxValue: 3, minSize: 10, maxSize: 10 },
colorAxis: {colors: ['green', 'blue', 'purple'], values: [1, 2, 3]},
markerOpacity: 0.75,
tooltip: {showColorCode: false, isHTML: true, textStyle:{fontSize: 21}},
dataMode: 'markers'
};
var map = new google.visualization.GeoChart(document.getElementById('chart_div'));
map.draw(data, options);
};
</script>
<style type="text/css">
html, body {height: 100%;}
#chart_div {width: 100%; height: 100%;}
</style>
</head>
<body>
<div id="chart_div"></div>
</body>
</html>
You can use the DataView Class to change the formatted value of the Type column.
For instance, the value of the Type column in the DataTable looks like this...
{"v":3.0,"f":"3"}
With the DataView, change it to this...
{"v":3.0,"f":"XYZ System"}
We can also remove the column Label, to avoid seeing it in the tooltip.
See following example...
google.charts.load('current', {
callback: drawMap,
packages: ['geochart']
});
function drawMap() {
var query = new google.visualization.Query("https://docs.google.com/spreadsheets/d/1m3ujxzPQJh3haReNDzGGF73Mh6-u6HxyCVPK_5MK2hw/gviz/tq?sheet=Sheet3");
query.send(handleQueryResponse);
}
function handleQueryResponse(response) {
var data = response.getDataTable();
// setup school type array
var schoolTypes = [
'ABC System',
'LMO System',
'XYZ System'
];
// create DataView from DataTable
var view = new google.visualization.DataView(data);
// set view columns, keep first three columns
// use calculated column for Type
view.setColumns([0, 1, 2, {
type: 'number',
label: '',
calc: function (dataTable, rowIndex) {
return {
v: dataTable.getValue(rowIndex, 3),
// get school type from array
f: schoolTypes[dataTable.getValue(rowIndex, 3) - 1]
}
}
}]);
var options = {
//showTip: true,
mapType: 'styledMap',
useMapTypeControl: true,
resolution: 'provinces',
//displayMode: 'text',
//magnifyingGlass: {'enable': true, 'zoomFactor': '7'},
region: 'US-KY',
keepAspectRatio: true,
legend: 'none',
sizeAxis: { minValue: 1, maxValue: 3, minSize: 10, maxSize: 10 },
colorAxis: {colors: ['green', 'blue', 'purple'], values: [1, 2, 3]},
markerOpacity: 0.75,
tooltip: {showColorCode: false, isHTML: true, textStyle:{fontSize: 21}},
dataMode: 'markers'
};
var map = new google.visualization.GeoChart(document.getElementById('chart_div'));
map.draw(view, options);
};
<script src="https://www.gstatic.com/charts/loader.js"></script>
<script src="https://www.google.com/jsapi"></script>
<div id="chart_div"></div>
ALSO -- Recommend including loader.js and jsapi only once per page
I'm trying to trigger the creation of a new BarChart with Google's Chart API when a user clicks on a particular bar. I think I understand the concepts, and wanted to at least get the getSelection() function to work and display what bar the user clicked on. But everytime, when you click on the bar, it just freezes with the display and no java alert. Any thoughts?
Here's the code:
<script type="text/javascript">
google.setOnLoadCallback(drawChart);
function drawChart() {
var visualization = new google.visualization.BarChart(document.getElementById('acctmeta'));
var json_data = new google.visualization.DataTable({{acctmeta_json}});
visualization.draw(json_data, {width: 850, height: 600, title: 'Collection Level Populated Metadata Fields',
chartArea: {width:"50%"},
vAxis: {title: 'Collection Title/ID', titleTextStyle: {color: 'green'}},
hAxis: {logScale:false, title:'Fields Populated', titleTextStyle: {color: 'green'}}
});
// Add our selection handler.
google.visualization.events.addListener(visualization, 'select', selectHandler);
// The selection handler.
// Loop through all items in the selection and concatenate
// a single message from all of them.
function selectHandler() {
alert(data.getValue(chart.getSelection()[0].row, 0));
}
} //end of draw chart function
</script>
Just wondering, should the line
alert(data.getValue(chart.getSelection()[0].row, 0));
be
alert(data.getValue(visualization.getSelection()[0].row, 0));
?
Here is a working example of mine. I had to set data and chart as global variables:
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(drawChart);
var data;
var chart;
function drawChart() {
data = new google.visualization.DataTable();
data.addColumn('string', 'Where');
data.addColumn('number', 'What');
data.addRows([['ABC',87],['ERT',70],['KLJ',38],['UPP',-67],['SSD',27],['UKG',42],['NUS',60],['WEB',96]]);
var options = {'title':'my chart','width':'600','height':'400','is3D':'true'};
chart = new google.visualization.ColumnChart(document.getElementById('test3_chart'));
chart.draw(data, options);
google.visualization.events.addListener(chart, 'select', selectHandler2);
}
function selectHandler2() {
var selection = chart.getSelection();
alert('That\'s column no. '+selection[0].row);
}
</script>
</head>
<body style="font-family: Arial;border: 0 none;">
<div id=test3_chart>Please wait...</div>
</body>
</html>