Discussion:
[visualization-api] displays no values, lineChart
eek
2016-08-19 09:38:05 UTC
Permalink
Hello!

I want to display my values out of an php request. The problem is, that the
chart does not display the values.

My code looks like that:

function loadChart(){
console.log("READ DATA AND DRAW CHART");
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart)

function drawChart() {
var jsonData = $.ajax({
url: "http://TEST",
dataType: "json",
async: false
}).responseText;

var options = {'title':'Temperature',
'width':600,
'curveType': 'function',
'height':300};



dataChartCut = jsonData.indexOf("<!DOCTYPE html>");
dataChart = jsonData.substring(0, dataChartCut-5);

var data = new google.visualization.DataTable();

data.addColumn('string','Time');
data.addColumn('number','Temp1');
data.addColumn('number','Temp2');
data.addColumn('number','Temp3');
data.addRows(4,[dataChart]);

// Instantiate and draw our chart, passing in some options.
var chart = new
google.visualization.LineChart(document.getElementById('lineChart'));
chart.draw(data, options);
};


The values what i get look like that:

{"cols":[{"label":"Time","type":"time"},{"label":"Temp1","type":"number"},{"label":"Temp2","type":"number"},{"label":"Temp3","type":"number"}],"rows":[{"c":[{"v":2016},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12},{"v":85}]},{"c":[{"v":0},{"v":22},{"v":12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And the chart what i get looks like that:


<Loading Image...>

Can someone help me? I have no idea whats the problem. IÂŽve searched hours
for a solution, but i didnÂŽt found one that it works.
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'Daniel LaLiberte' via Google Visualization API
2016-08-19 15:39:32 UTC
Permalink
One problem is that there is no 'time' type. There is 'datetime' and
'timeofday', but it looks like you are just using years, so I would change
to type 'number'.
Post by eek
Hello!
I want to display my values out of an php request. The problem is, that
the chart does not display the values.
function loadChart(){
console.log("READ DATA AND DRAW CHART");
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart)
function drawChart() {
var jsonData = $.ajax({
url: "http://TEST",
dataType: "json",
async: false
}).responseText;
var options = {'title':'Temperature',
'width':600,
'curveType': 'function',
'height':300};
dataChartCut = jsonData.indexOf("<!DOCTYPE html>");
dataChart = jsonData.substring(0, dataChartCut-5);
var data = new google.visualization.DataTable();
data.addColumn('string','Time');
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<https://lh3.googleusercontent.com/-P3tEmC2oa0I/V7bSmCEX1RI/AAAAAAAAAHo/vjx9Ay3JoCMr4uSYXkBafjdvfUj41lIDACLcB/s1600/Unbenannt.PNG>
Can someone help me? I have no idea whats the problem. IÂŽve searched hours
for a solution, but i didnÂŽt found one that it works.
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Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
***@Google.com <***@google.com> 5CC, Cambridge MA
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