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<!DOCTYPE html>
<html>
<head>
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<title>DIY Radiation</title>
<style>
body {
background-image: url("static/chalk.jpg");
}
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h2 {
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font: bold 24px arial, sans-serif;
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}
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h4 {
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font: bold 16px arial, sans-serif;
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}
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.mainContainer {
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width: 750px;
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text-align: center;
margin: auto;
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}
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.datetime {
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font: bold 22px arial, sans-serif;
padding: 20px;
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}
.rowContainer {
display: table;
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width: 100%;
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}
.currentDataCell {
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width: 50%;
font: bold 20px arial, sans-serif;
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text-align: center;
display: table-cell;
vertical-align: middle;
}
.dataItems {
padding: 2px;
text-align: left;
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line-height: 130%;
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display: inline-block;
vertical-align: top;
}
.chartContainer {
padding: 2px;
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}
img.chart {
width:100%;
}
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.notes {
font: 17px arial, sans-serif;
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text-align: left;
padding: 10px;
}
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span.chartNav {
margin: auto;
}
ul.chartNav {
list-style-type: none;
margin: 10px;
padding: 0;
overflow: hidden;
background-color: #bbb;
text-align: center;
}
li.chartNav {
display: inline-block;
font: bold 18px arial, sans-serif;
color: black;
}
text.chartNav:hover {
background-color: #333;
cursor: pointer;
color: white;
}
text.chartNav {
display: inline-block;
padding: 8px 12px;
}
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</style>
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</head>
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<body onload="main()">
<div class="mainContainer">
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<h2>DIY Radiation Monitor</h2>
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<h4>Albany, Oregon</h4>
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<div class="datetime">
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<text id="date"></text>
<text id="time"></text>
</div>
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<div class="rowContainer">
<div class="currentDataCell">
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<ins>Current Reading</ins><br><br>
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<div class="dataItems">
Counts per minute:<br>
Counts per second:<br>
uSv per hour:
</div>
<div class="dataItems">
<text id="cpm"></text><br>
<text id="cps"></text><br>
<text id="uSvPerHr"></text>
</div>
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</div>
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<div class="currentDataCell">
<ins>Radiation Monitor</ins><br><br>
<div class="dataItems">
Device:<br>
Mode:
</div>
<div class="dataItems">
<text id="status"></text><br>
<text id="mode"></text>
</div>
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</div>
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</div>
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<span class="chartNav">
<ul class="chartNav">
<li class="chartNav">Select charts:</li>
<li class="chartNav"><text class="chartNav" onclick="show_charts(1)">24 hours</text></li>
<li class="chartNav"><text class="chartNav" onclick="show_charts(2)">4 weeks</text></li>
<li class="chartNav"><text class="chartNav" onclick="show_charts(3)">12 months</text></li>
</ul>
</span>
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<br>
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<div class="chartContainer">
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<img class="chart" id="cpmChart">
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</div>
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<div class="chartContainer">
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<img class="chart" id="uSvChart">
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</div>
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<div class="notes">
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<b>NOTES:</b>
<ul>
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<li>DIY Radiation Monitor project plans and software available at
<a href="https://github.com/fractalxaos/radmon" target="_new"><i>Github.com</i></a>.</li>
<li>Project sponsored by <a href="http://www.eugenemakerspace.com" TARGET="_NEW">
<i>Eugene Maker Space</i></a>, Eugene, Oregon.</li>
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<li>For more information about the effects of radiation on the human body see
<a href="https://xkcd.com/radiation/" target="_blank">
Radiation Dose Chart</a> by Randall Monroe.</li>
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</ul>
</div>
</div>
<br>
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<script>
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/* Globals */
var radmonDataUrl = "dynamic/radmonData.js";
var httpRequest = new XMLHttpRequest();
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var graphPeriod;
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function main() {
getRadmonData();
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show_charts(1);
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setInterval(getRadmonData, 10000);
}
function getRadmonData() {
httpRequest.onreadystatechange = function() {
if (httpRequest.readyState == 4 && httpRequest.status == 200) {
var dataArray = JSON.parse(httpRequest.responseText);
displayData(dataArray[0]);
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}
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};
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httpRequest.open("POST", radmonDataUrl, true);
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httpRequest.send();
}
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function show_charts(n) {
graphPeriod = n;
getRadmonGraphs();
setInterval(getRadmonGraphs, 60000);
}
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function getRadmonGraphs() {
var d = new Date;
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switch(graphPeriod) {
case 1:
document.getElementById("cpmChart").src =
"dynamic/radGraph1.png?ver=" + d.getTime();
document.getElementById("uSvChart").src =
"dynamic/radGraph2.png?ver=" + d.getTime();
break;
case 2:
document.getElementById("cpmChart").src =
"dynamic/radGraph3.png?ver=" + d.getTime();
document.getElementById("uSvChart").src =
"dynamic/radGraph4.png?ver=" + d.getTime();
break;
case 3:
document.getElementById("cpmChart").src =
"dynamic/radGraph5.png?ver=" + d.getTime();
document.getElementById("uSvChart").src =
"dynamic/radGraph6.png?ver=" + d.getTime();
break;
}
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}
function displayData(dataItem) {
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var timeStamp, date, time, hourminute, status;
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timeStamp = dataItem.date;
date = timeStamp.split(" ")[0];
time = timeStamp.split(" ")[1];
hourminute = time.split(":")[0] + ":" + time.split(":")[1];
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localDateObj = new Date();
localTimeZone = localDateObj.getTimezoneOffset() / 60;
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document.getElementById("date").innerHTML = date;
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document.getElementById("time").innerHTML =
hourminute + " <small>(GMT+" + localTimeZone + ")</small>";
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document.getElementById("cpm").innerHTML = dataItem.CPM;
document.getElementById("cps").innerHTML = dataItem.CPS;
document.getElementById("uSvPerHr").innerHTML = dataItem.uSvPerHr;
document.getElementById("mode").innerHTML = dataItem.Mode;
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status = dataItem.status;
document.getElementById("status").innerHTML = status;
if (status == "online") {
document.getElementById("status").style.color = "green";
} else {
document.getElementById("status").style.color = "red";
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}
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}
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</script>
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</body>
</html>
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