HELLO im drawing a google line chart and it is working with only one
variable/line with a name zadnjiBroj, i want to add 2 more variables into
chart, 2 more lines named zadnjiBrojy and zadnjiBrojz that will work on the
same graph. Can anyone help me to implement that 2 more lines?
There is a code:
google.charts.load('current', {'packages':['corechart']});
var numbersFromLabView = [];
var time = [];
$('.viewbutton').click(function() {
// Zovi api poziv i dohvati podatke svako 2 sec
$('#portfolio').addClass('hidden');
$('#element-di-zivi-aplikacija').removeClass('hidden');
setInterval(getDataFromLabView, 2000);
});
function getDataFromLabView() {
var jsonData = $.ajax({
url: 'projectXHTTP',
dataType: 'json',
success: function (jsonArray) {
var zadnjiBroj = jsonArray.slice(0,1).pop();
var zadnjiBrojy = jsonArray.slice(0,2).pop();
var zadnjiBrojz = jsonArray.slice(0,3).pop();
drawChart(zadnjiBroj);
$(document.querySelector('.current-number')).text(zadnjiBroj);
$(document.querySelector('.current-numbery')).text(zadnjiBrojy);
$(document.querySelector('.current-numberz')).text(zadnjiBrojz);
}
});
}
function drawChart(number) {
var data = new google.visualization.DataTable();
moment.locale('hr');
time.push(moment());
numbersFromLabView.push(number);
// kako ce se zvati x i y osi na grafu
data.addColumn('string', 'Time of Day');
data.addColumn('number', 'Current');
numbersFromLabView.forEach((number, key) => {
// za svaki broj koji dohvati ubaci njega i vrijeme u data Objekt
data.addRow([time[key].format('LTS'), number]);
});
// stilovi i izgled grafa se ovdje definiraju
var options = {
background: 'transparent',
title: 'Numeric values from LabView on time scale',
height: 500,
width: '100%',
hAxis: {
title: 'Vrijeme',
},
vAxis: {
title: 'I',
}
}
var chart = new google.visualization.LineChart(document.querySelector(
'#chart_div'));
chart.draw(data, options);
}
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