Created
October 24, 2018 14:28
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<html> | |
<head> | |
<script> | |
window.onload = function() { | |
console.log("LOADED"); | |
//Configuration variables | |
var updateInterval = 20 //in ms | |
var numberElements = 200; | |
//Globals | |
var updateCount = 0; | |
// Chart Objects | |
var xAccelChart = $("#xAccelChart"); | |
var yAccelChart = $("#yAccelChart"); | |
var zAccelChart = $("#zAccelChart"); | |
var rollChart = $("#rollChart"); | |
var pitchChart = $("#pitchChart"); | |
var yawChart = $("#yawChart"); | |
//chart instances & configuration | |
var commonOptions = { | |
scales: { | |
xAxes: [{ | |
type: 'time', | |
time: { | |
displayFormats: { | |
millisecond: 'mm:ss:SSS' | |
} | |
} | |
}], | |
yAxes: [{ | |
ticks: { | |
beginAtZero:true | |
} | |
}] | |
}, | |
legend: {display: false}, | |
tooltips:{ | |
enabled: false | |
} | |
}; | |
var xAccelChartInstance = new Chart(xAccelChart, { | |
type: 'line', | |
data: { | |
datasets: [{ | |
label: "X Acceleration", | |
data: 0, | |
fill: false, | |
borderColor: '#343e9a', | |
borderWidth: 1 | |
}] | |
}, | |
options: Object.assign({}, commonOptions, { | |
title:{ | |
display: true, | |
text: "Acceleration - X", | |
fontSize: 18 | |
} | |
}) | |
}); | |
var yAccelChartInstance = new Chart(yAccelChart, { | |
type: 'line', | |
data: { | |
datasets: [{ | |
label: "Y Acceleration", | |
data: 0, | |
fill: false, | |
borderColor: '#343e9a', | |
borderWidth: 1 | |
}] | |
}, | |
options: Object.assign({}, commonOptions, { | |
title:{ | |
display: true, | |
text: "Acceleration - Y", | |
fontSize: 18 | |
} | |
}) }); | |
var zAccelChartInstance = new Chart(zAccelChart, { | |
type: 'line', | |
data: { | |
datasets: [{ | |
label: "Z Acceleration", | |
data: 0, | |
fill: false, | |
borderColor: '#343e9a', | |
borderWidth: 1 | |
}] | |
}, | |
options: Object.assign({}, commonOptions, { | |
title:{ | |
display: true, | |
text: "Acceleration - Z", | |
fontSize: 18 | |
} | |
}) | |
}); | |
var rollChartInstance = new Chart(rollChart, { | |
type: 'line', | |
data: { | |
datasets: [{ | |
label: "Roll", | |
data: 0, | |
fill: false, | |
borderColor: '#343e9a', | |
borderWidth: 1 | |
}] | |
}, | |
options: Object.assign({}, commonOptions, { | |
title:{ | |
display: true, | |
text: "Roll", | |
fontSize: 18 | |
} | |
}) | |
}); | |
var pitchChartInstance = new Chart(pitchChart, { | |
type: 'line', | |
data: { | |
datasets: [{ | |
label: "Pitch", | |
data: 0, | |
fill: false, | |
borderColor: '#343e9a', | |
borderWidth: 1 | |
}] | |
}, | |
options: Object.assign({}, commonOptions, { | |
title:{ | |
display: true, | |
text: "Pitch", | |
fontSize: 18 | |
} | |
}) | |
}); | |
var yawChartInstance = new Chart(yawChart, { | |
type: 'line', | |
data: { | |
datasets: [{ | |
label: "Yaw", | |
data: 0, | |
fill: false, | |
borderColor: '#343e9a', | |
borderWidth: 1 | |
}] | |
}, | |
options: Object.assign({}, commonOptions, { | |
title:{ | |
display: true, | |
text: "Yaw", | |
fontSize: 18 | |
} | |
}) | |
}); | |
function addData(data) { | |
if(data){ | |
xAccelChartInstance.data.labels.push(new Date()); | |
xAccelChartInstance.data.datasets.forEach((dataset) =>{dataset.data.push(data['xA'])}); | |
yAccelChartInstance.data.labels.push(new Date()); | |
yAccelChartInstance.data.datasets.forEach((dataset) =>{dataset.data.push(data['yA'])}); | |
zAccelChartInstance.data.labels.push(new Date()); | |
zAccelChartInstance.data.datasets.forEach((dataset) =>{dataset.data.push(data['zA'])}); | |
rollChartInstance.data.labels.push(new Date()); | |
rollChartInstance.data.datasets.forEach((dataset) =>{dataset.data.push(data['roll'])}); | |
pitchChartInstance.data.labels.push(new Date()); | |
pitchChartInstance.data.datasets.forEach((dataset) =>{dataset.data.push(data['pitch'])}); | |
yawChartInstance.data.labels.push(new Date()); | |
yawChartInstance.data.datasets.forEach((dataset) =>{dataset.data.push(data['yaw'])}); | |
if(updateCount > numberElements){ | |
xAccelChartInstance.data.labels.shift(); | |
xAccelChartInstance.data.datasets[0].data.shift(); | |
yAccelChartInstance.data.labels.shift(); | |
yAccelChartInstance.data.datasets[0].data.shift(); | |
zAccelChartInstance.data.labels.shift(); | |
zAccelChartInstance.data.datasets[0].data.shift(); | |
rollChartInstance.data.labels.shift(); | |
rollChartInstance.data.datasets[0].data.shift(); | |
pitchChartInstance.data.labels.shift(); | |
pitchChartInstance.data.datasets[0].data.shift(); | |
yawChartInstance.data.labels.shift(); | |
yawChartInstance.data.datasets[0].data.shift(); | |
} | |
else updateCount++; | |
xAccelChartInstance.update(); | |
yAccelChartInstance.update(); | |
zAccelChartInstance.update(); | |
rollChartInstance.update(); | |
pitchChartInstance.update(); | |
yawChartInstance.update(); | |
} | |
}; | |
function updateData() { | |
console.log("Update Data"); | |
$.getJSON("accelGenerator.php", addData); | |
setTimeout(updateData,updateInterval); | |
} | |
updateData(); | |
} | |
</script> | |
<style> | |
.container{ | |
display:flex; | |
} | |
.label{ | |
flex:1; | |
vertical-align: middle; | |
text-align: center; | |
} | |
.x{ | |
flex:3; | |
text-align: center; | |
background-color: rgba(235, 113, 101, 0.73); | |
margin: 10px; | |
} | |
.y{ | |
flex:3; | |
text-align: center; | |
background-color: rgba(70, 163, 71, 0.64); | |
margin-top: 10px; | |
margin-bottom:10px; | |
} | |
.z{ | |
flex:3; | |
text-align: center; | |
background-color:rgba(70, 140, 215, 0.74) ; | |
margin:10px; | |
} | |
h1{ | |
text-align: center; | |
} | |
</style> | |
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.js"></script> | |
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.bundle.js"></script> | |
</head> | |
<body> | |
<h1>Wave buoy real time stream</h1> | |
<div id="labelAccel" class="label"> | |
<h2> Acceleration </h2> | |
</div> | |
<div id="accelContainer" class="container"> | |
<div id="xAccel" class="x"> | |
<canvas id="xAccelChart"></canvas> | |
</div><!--xAccel--> | |
<div id="yAccel" class="y"> | |
<canvas id="yAccelChart"></canvas> | |
</div><!--yAccel--> | |
<div id="zAccel" class="z"> | |
<canvas id="zAccelChart"></canvas> | |
</div><!--zAccel--> | |
</div><!--accelContainer--> | |
<div id="labelGyro" class="label"> | |
<h2> Heading </h2> | |
</div> | |
<div id="orientationContainer" class="container"> | |
<div id="Roll" class="x"> | |
<canvas id="rollChart"></canvas> | |
</div><!--xgyro--> | |
<div id="Pitch" class="y"> | |
<canvas id="pitchChart"></canvas> | |
</div><!--ygyro--> | |
<div id="Yaw" class="z"> | |
<canvas id="yawChart"></canvas> | |
</div><!--zgyro--> | |
</div><!--gyroContainer--> | |
</body> | |
</html> |
This is my json data...
[
{"xA":-112, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-115, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-111, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-114, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-123, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-100, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-101, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-119, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
{"xA":-120, "yA":-185, "zA":181, "roll": -26, "pitch": -105, "yaw":81},
.....
]
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Hello Dear,
This is very helpful program, I was trying to display your sample by slightly changing in data loading part, but it is not working. Would you please take a look?
Here I am getting a json array data and passing those data to your addData function but nothing is displaying in the chart.
I have written a ASP.Net core application to display the charts.
function updateData() {
console.log("Update Data");
$.ajax({
url: '/Home/GetServerPerfData',
type: 'POST',
dataType: 'json',
contentType: 'application/json',
success: function (icpdata) {
icpdata.forEach(obj => {
addData(obj);
})
}
});
setTimeout(updateData,updateInterval);
}
updateData();
Rest of the codes kept exactly the same as your one above...