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Multiple sensor data CanvasJS charts from CSV with deep object cloning to allow a common default chart template object variable
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<!-- for https://canvasjs.com/forums/topic/zooming-on-graph-changes-it-to-another-graph/ --> | |
<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>Sensors Data</title> | |
<style> | |
body { background-color: black; } | |
#tempContainer, #humidContainer, #pressContainer {height: 520px; width: 100%; } | |
table { width:520px; height:520px; color: white; border: 1px solid white; | |
margin-left: auto; margin-right: auto; } | |
tr td { width: 50%; border: 1px solid white; text-align: center; } | |
</style> | |
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> | |
<script type="text/javascript" src="canvasjs.min.js"></script> | |
<script type="text/javascript"> | |
$(document).ready(function () { | |
$.ajax({ | |
type: "GET", | |
url:"tempHumidPressure.csv", | |
dataType: "text", | |
success: function(data) {processCSV(data);} | |
}); | |
}); | |
/*TODO: Add highest and lowest values to table ajax get here.*/ | |
function processCSV(allText) { | |
var chart_defaults={ interactivityEnabled: true, | |
zoomEnabled: true, | |
backgroundColor: "black", | |
title:{ fontColor: "white", | |
fontSize: 25 }, | |
axisX:{ labelFontColor: "white", | |
titleFontColor: "white", | |
titleFontSize: 20, | |
labelFontSize: 15 }, | |
axisY:{ labelFontColor: "white", | |
titleFontColor: "white", | |
titleFontSize: 20, | |
labelFontSize: 15, | |
gridThickness: 0.25, | |
interlacedColor: "#06060d", | |
includeZero: false }, | |
data:[{ type: "line", | |
xValueType: "dateTime", | |
lineThickness: 1 }] }; | |
var allLinesArray = allText.split("\n"); | |
if( allLinesArray.length > 0 ){ | |
var points_temp = []; | |
var points_humid = []; | |
var points_press = []; | |
for (var i = 0; i <= allLinesArray.length-1; i++) { | |
//rowData: Date,Temp,Humid,Pressure | |
//rowData: [0] ,[1] , [2] , [3] | |
var rowData = allLinesArray[i].split(","); | |
if(allLinesArray[i].charAt(0) != "#" && rowData && rowData.length > 1) { | |
points_temp.push( { x: new Date(Date.parse(rowData[0])), y:parseFloat(rowData[1]) }); | |
points_humid.push({ x: new Date(Date.parse(rowData[0])), y:parseFloat(rowData[2]) }); | |
points_press.push({ x: new Date(Date.parse(rowData[0])), y:parseFloat(rowData[3]) }); | |
} | |
} | |
var defaults_temp = jQuery.extend(true, {}, chart_defaults); | |
var chart_temp = new CanvasJS.Chart(tempContainer, defaults_temp); | |
chart_temp.options.title.text = "Temprature Readings"; | |
chart_temp.options.axisY.title = "Degrees Celsius (°C)"; | |
chart_temp.options.data[0].dataPoints = points_temp; | |
chart_temp.render(); | |
var defaults_humid = jQuery.extend(true, {}, chart_defaults); | |
var chart_humid = new CanvasJS.Chart(humidContainer, defaults_humid); | |
chart_humid.options.title.text = "Humidity Readings"; | |
chart_humid.options.axisY.title = "Relative Humidity (%)"; | |
chart_humid.options.data[0].dataPoints = points_humid; | |
chart_humid.render(); | |
var defaults_press = jQuery.extend(true, {}, chart_defaults); | |
var chart_press = new CanvasJS.Chart(pressContainer, defaults_press); | |
chart_press.options.title.text = "Pressure Readings"; | |
chart_press.options.axisY.title = "Hectopascals (hPa)"; | |
chart_press.options.data[0].dataPoints = points_press; | |
chart_press.render(); | |
} | |
} | |
</script> | |
</head> | |
<body> | |
<div id="tempContainer"></div> | |
<br><hr><br> | |
<div id="humidContainer"></div> | |
<br><hr><br> | |
<div id="pressContainer"></div> | |
<br><hr><br> | |
<table> | |
<tr> <td rowspan=2>Highest temprature</td> <td id="maxTempDate"> </td> </tr> | |
<tr> <td id="maxTemp"> </td> </tr> | |
<tr> <td rowspan=2>Lowest temprature</td> <td id="minTempDate"> </td> </tr> | |
<tr> <td id="minTemp"> </td> </tr> | |
<tr> <td rowspan=2>Highest humidity</td> <td id="maxHumidDate"></td> </tr> | |
<tr> <td id="maxHumid"> </td> </tr> | |
<tr> <td rowspan=2>Lowest humidity</td> <td id="minHumidDate"></td> </tr> | |
<tr> <td id="minHumid"> </td> </tr> | |
<tr> <td rowspan=2>Highest pressure</td> <td id="maxPressDate"></td> </tr> | |
<tr> <td id="maxPress"> </td> </tr> | |
<tr> <td rowspan=2>Lowest pressure</td> <td id="minPressDate"></td> </tr> | |
<tr> <td id="minPress"> </td> </tr> | |
</table> | |
</body> | |
</html> |
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