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<!DOCTYPE html>
<html>
<head>
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<title>DIY Radiation</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<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%;
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padding: 10px;
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font: bold 20px arial, sans-serif;
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text-align: middle;
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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;
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vertical-align: middle;
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}
.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><a href="https://github.com/fractalxaos/radmon"
style="text-decoration:none" target="_new">
DIY Radiation Monitor</a></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">
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Status:<br>
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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>
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<li class="chartNav"><text class="chartNav" onclick="setChartPeriod(1)">
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24 hours</text></li>
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<li class="chartNav"><text class="chartNav" onclick="setChartPeriod(2)">
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4 weeks</text></li>
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<li class="chartNav"><text class="chartNav" onclick="setChartPeriod(3)">
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12 months</text></li>
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</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
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<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">
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<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">
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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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/* Global constants */
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var radmonDataUrl = "dynamic/radmonOutputData.js";
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/* Global DOM objects */
// Chart elements
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var cpmChart_g = document.getElementById("cpmChart");
var uSvChart_g = document.getElementById("uSvChart");
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// Text elements
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var date_e = document.getElementById("date");
var time_e = document.getElementById("time");
var cpm_e = document.getElementById("cpm");
var cps_e = document.getElementById("cps");
var uSvPerHr_e = document.getElementById("uSvPerHr");
var mode_e = document.getElementById("mode");
var status_e = document.getElementById("status");
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/* Global objects */
var httpRequest = new XMLHttpRequest();
/* Global variables */
var graphPeriod;
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function main() {
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/* Register call back function to process http requests */
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httpRequest.onreadystatechange = function() {
if (httpRequest.readyState == 4 && httpRequest.status == 200) {
var dataArray = JSON.parse(httpRequest.responseText);
displayData(dataArray[0]);
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} else if (httpRequest.readyState == 4 && httpRequest.status == 404) {
displayOfflineStatus();
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}
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};
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httpRequest.ontimeout = function(e) {
displayOfflineStatus();
};
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getRadmonData();
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graphPeriod = 1;
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getRadmonGraphs();
setInterval(getRadmonData, 5000);
setInterval(getRadmonGraphs, 300000);
}
function getRadmonData() {
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httpRequest.open("GET", radmonDataUrl, true);
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httpRequest.timeout = 3000;
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httpRequest.send();
}
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function setChartPeriod(n) {
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graphPeriod = n;
getRadmonGraphs();
}
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function getRadmonGraphs() {
var d = new Date;
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var pfx;
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switch(graphPeriod) {
case 1:
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pfx = "24hr_";
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break;
case 2:
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pfx = "4wk_";
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break;
case 3:
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pfx = "12m_";
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break;
}
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cpmChart_g.src = "dynamic/" + pfx + "cpm.png?ver=" + d.getTime();
uSvChart_g.src = "dynamic/" + pfx + "svperhr.png?ver=" + d.getTime();
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}
function displayData(dataItem) {
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var timeStamp, date, time, hourminute;
var localDateObj,localTimeZone;
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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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date_e.innerHTML = date;
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time_e.innerHTML = hourminute +
" <small>(GMT+" + localTimeZone + ")</small>";
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cpm_e.innerHTML = dataItem.CPM;
cps_e.innerHTML = dataItem.CPS;
uSvPerHr_e.innerHTML = dataItem.uSvPerHr;
mode_e.innerHTML = dataItem.Mode;
status_e.innerHTML = dataItem.status;
if (dataItem.status == "online") {
status_e.style.color = "green";
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} else {
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displayOffLineStatus();
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}
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}
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function displayOfflineStatus() {
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var d = new Date();
localTimeZone = d.getTimezoneOffset() / 60;
date_e.innerHTML = (d.getMonth() + 1) + "/" + d.getDate() + "/" + d.getFullYear();
time_e.innerHTML = d.getHours() + ":" + d.getMinutes() + " <small>(GMT+" +
localTimeZone + ")</small>";
cpm_e.innerHTML = "";
cps_e.innerHTML = "";
uSvPerHr_e.innerHTML = "";
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mode_e.innerHTML = " ";
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status_e.innerHTML = "offline";
status_e.style.color = "red";
}
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</script>
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</body>
</html>
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