<!DOCTYPE html>
<html>
<head>
<meta charset="utf8"/>
<title>OhmPi Acquisition Board</title>
<link rel="shortcut icon" type="image/jpg" href="logo_ohmpi.jpg"/>
<!-- dependencies (need to be local as no internet in AP mode)-->
<script src="js/plotly-basic-2.8.3.min.js"></script>
<script src="js/jquery-3.4.1.min.js"></script>
<link type="text/css" href="css/bootstrap.min.css" rel="stylesheet">
<!-- <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script> -->
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<!-- <script src="js/danfojs/bundle.min.js"></script> -->
<!-- <script src="js/mqtt.min.js"></script> -->
<script src="js/paho/paho-mqtt.js"></script>
</head>
<body>
<div class='container'>
<h1>OhmPi Acquisition Board</h1>
<!-- nb stacks, on-time -->
<button id="update_settingsBtn" type="button" class="btn btn-secondary" data-toggle="modal" data-target="#exampleModal">Settings</button>
<button id='runBtn' type="button" class="btn btn-primary">▶</button>
<button id='stopBtn' type="button" class="btn btn-warning">◼</button>
<!-- upload button for csv which display the table ABMN -->
<button id="removeDataBtn" type="button" class="btn btn-danger">Clear data</button>
<button id="getDataBtn" type="button" class="btn btn-info">Get data</button>
<div class="form-check">
<input id="dataRetrievalCheck" class="form-check-input" type="checkbox" value="">
<label class="form-check-label" for="dataRetrievalCheck">
Automaticaly get data every 1 secondStart
</label>
</div>
<div id='output'>Status: idle</div>
<!-- Pseudo section -->
<select id='surveySelect' class='custom-select'>
</select>
<input id="cmin" type="number" value="0"/>
<input id="cmax" type="number" value="150"/>
<button id="capplyBtn" type="button" class="btn btn-info">Apply</button>
<div id="gd"></div>
<div class="mb3 row">
<label for="quadSelect">Quadrupole:</label>
<div class="col-sm-10">
<select id='quadSelect' class='custom-select'></select>
</div>
</div>
<!-- trace figure -->
<button id="addTraceBtn" type="button" class="btn btn-info">Add trace</button>
<button id="removeTracesBtn" type="button" class="btn btn-info">Remove all traces</button>
<div id="ts"></div>
<!-- RS check -->
<button id="rsBtn" type="button" class="btn btn-info">Check contact resistance</button>
<button id="rsClearBtn" type="button" class="btn btn-info">Clear plot</button>
<div id="rs"></div>
<!-- Additional buttons -->
<button id="downloadBtn" type="button" class="btn btn-primary">Download data</button>
<!-- <button id="invertBtn" type="button" class="btn btn-primary">Invert</button> -->
<a id="download"></a>
<!-- Modal for configuration -->
<div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">OhmPi configuration</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<form>
<div class="form-group row">
<label for="nbElectrodes" class="col-sm-2 col-form-label">Nb electrodes</label>
<div class="col-sm-10">
<input type="number" class="form-control-number" id="nbElectrodes" value="64">
</div>
</div>
<div class="form-group row">
<label for="injectionDuration" class="col-sm-2 col-form-label">Injection duration [s]</label>
<div class="col-sm-10">
<input type="number" class="form-control-number" id="injectionDuration" value="0.2">
</div>
</div>
<div class="form-group row">
<label for="nbMeasurements" class="col-sm-2 col-form-label">Nb Measurements</label>
<div class="col-sm-10">
<input type="number" class="form-control-number" id="nbMeasurements" value="1">
</div>
</div>
<div class="form-group row">
<label for="sequenceDelay" class="col-sm-2 col-form-label">Sequence delay [s]</label>
<div class="col-sm-10">
<input type="number" class="form-control-number" id="sequenceDelay" value="100">
</div>
</div>
<div class="form-group row">
<label for="nbStack" class="col-sm-2 col-form-label">Nb stack</label>
<div class="col-sm-10">
<input type="number" class="form-control-number" id="nbStack" value="1">
</div>
</div>
<div class="form-group row">
<label for="sequence" class="col-sm-2 col-form-label">Sequence</label>
<div class="col-sm-10">
<input type="file" class="form-control" id="sequence">
</div>
</div>
<div class="form-group row">
<label for="elecSpacing" class="col-sm-2 col-form-label">Electrode spacing [m]</label>
<div class="col-sm-10">
<input type="number" class="form-control" id="elecSpacing", value="1">
</div>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
<button id="saveConfigBtn" type="button" data-dismiss="modal" class="btn btn-primary">Save</button>
</div>
</div>
</div>
</div>
<button id="restartBtn" type="button" class="btn btn-danger">Restart</button>
<button id="shutdownBtn" type="button" class="btn btn-danger">Shutdown</button>
<footer>v0.2.0</footer>
</div>
<script type="text/javascript">
//let serverUrl = 'http://10.3.141.1:8080'
//let serverUrl = 'http://0.0.0.0:8080'
//let serverUrl = 'http://localhost:8080'
let serverUrl = 'http://' + window.location.host
console.log('serverUrl =', serverUrl)
let output = document.getElementById('output')
let data = {} // hold data of all surveys
let interv = null // hold interval for automatic data retrieval
let quads = [] // available quadrupoles for time-serie figure
let squads = [] // selected quadrupoles for time-serie figure
let commands = {} // store commands and their id
let callbacks = {} // store callback (might not be needed)
// function with MQTT
let topic = '/World'
let hostname = 'localhost'
let port = 9001
let clientId = 'ohmpi_0001_html'
// create client
client = new Paho.MQTT.Client(hostname, port, clientId);
client.onConnectionLost = onConnectionLost;
client.onMessageArrived = onMessageArrived;
client.connect({onSuccess:onConnect});
function onConnect() {
console.log("onConnect")
client.subscribe(topic)
message = new Paho.MQTT.Message("Hello from index.html")
message.destinationName = topic
client.send(message)
}
function onConnectionLost(responseObject) {
if (responseObject.errorCode !== 0)
console.log("onConnectionLost:"+responseObject.errorMessage)
}
function onMessageArrived(message) {
console.log("onMessageArrived:"+message.payloadString)
try {
let response = JSON.parse(message.payloadString)
console.log('response=', response)
// check ID of message against our dictionnary of callback
let cmd_id = response['cmd_id']
if (callbacks.hasOwnProperty(cmd_id)) {
console.log('++ execute callback')
callbacks[cmd_id](response['content']) // execute callback
}
} catch (e) {
console.log(e)
}
// client.disconnect()
}
// useful functions
function sendCommand(query, callback=null) {
// dic in the form: {'cmd': X, ...} as JSON
if (callback == null) {
function callback(x) {
console.log('default callback:', x)
}
}
/*
let xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (this.readyState == 4) {
if (xhr.status == 200) {
callback(JSON.parse(xhr.response))
}
}
}
xhr.open('POST', serverUrl)
xhr.setRequestHeader('Content-Type', 'application/json')
xhr.send(query)
*/
// generate a unique command id to be associated with the commands
let uuid = crypto.randomUUID()
commands[uuid] = query
callbacks[uuid] = callback // store the callback to be processed later when message arrives
let payload = '{"cmd_id": "' + uuid + '",' + query.slice(1)
console.log('sendCommand()', payload)
message = new Paho.MQTT.Message(payload)
message.destinationName = topic
client.send(message)
}
// run button
function runBtnFunc() {
sendCommand('{"cmd": "run_sequence"}', function(x) {
console.log(x['status'])
if (x['status'] == 'running') {
output.innerHTML = 'Status: measuring...'
}
})
}
let runBtn = document.getElementById('runBtn')
runBtn.addEventListener('click', runBtnFunc)
// interrupt button
function stopBtnFunc() {
sendCommand('{"cmd": "interrupt"}', function(x) {
output.innerHTML = 'Status: ' + x['status']
clearInterval(interv)
getData()
})
}
let stopBtn = document.getElementById('stopBtn')
stopBtn.addEventListener('click', stopBtnFunc)
// set configuration
function saveConfigBtnFunc() {
// collect values from modal
let formVals = {}
for (let field of ['nbElectrodes', 'injectionDuration',
'nbMeasurements', 'sequenceDelay', 'nbStack']) {
formVals[field] = document.getElementById(field).value
}
console.log(formVals)
// define callback to send settings to Pi
function configCallback() {
sendCommand(JSON.stringify({
'cmd': 'update_settings',
'config': formVals
}), function(x) {
console.log('update_settings', x)
})
}
// deal with the potential file containing the sequence
// https://stackoverflow.com/questions/19038919/is-it-possible-to-upload-a-text-file-to-input-in-html-js
if (!window.FileReader) {
alert('Your browser is not supported');
return false;
}
let input = document.getElementById('sequence')
if (input.files.length) {
const reader = new FileReader()
reader.readAsText(input.files[0])
reader.addEventListener('load', () => {
formVals['sequence'] = reader.result
console.log('file==', reader.result)
configCallback()
}, false)
} else {
console.log('no sequence uploaded')
formVals['sequence'] = ''
configCallback()
}
}
let saveConfigBtn = document.getElementById('saveConfigBtn')
saveConfigBtn.addEventListener('click', saveConfigBtnFunc)
// make pseudo plot
var trace = {
x: [],
y: [],
mode: 'markers',
marker: {
size: 40,
color: [],
colorbar: {
title: 'App. res. [Ohm.m]',
cmin: 0,
cmax: 100,
}
}
}
let layout = {
title: 'Pseudo-section',
yaxis: {
title: 'Pseudo-depth',
autorange: 'reversed'
},
xaxis: {
title: 'X'
}
}
Plotly.newPlot('gd', [trace], layout)
// make time-serie plot
let tdata = []
let layout2 = {
title: 'Time-serie',
yaxis: {
title: 'App. res. [Ohm.m]'
},
xaxis: {
title: 'Sampling time'
}
}
Plotly.newPlot('ts', tdata, layout2)
// add trace to time-serie plot
function addTraceBtnFunc() {
let val = document.getElementById('quadSelect').value
squads.push(val.split(', '))
tdata.push({
x: [],
y: [],
name: val,
type: 'scatter'
})
Plotly.newPlot('ts', tdata, layout2)
getData()
}
let addTraceBtn = document.getElementById('addTraceBtn')
addTraceBtn.addEventListener('click', addTraceBtnFunc)
// remove all traces from time-serie plot
function removeTracesBtnFunc() {
squads = []
tdata = []
Plotly.newPlot('ts', tdata, layout2)
}
let removeTracesBtn = document.getElementById('removeTracesBtn')
removeTracesBtn.addEventListener('click', removeTracesBtnFunc)
// callback function to draw the plot
function surveySelectFunc(el) {
let surveyName = el['target'].value
let df = data[surveyName]
if (df != undefined) {
let a = df['a']
let b = df['b']
let m = df['m']
let n = df['n']
// let's assume electrodes are 1 m distance
// compute pseudo-depth (assume no topo)
// compute app res (assumping flat, line survey)
let xpos = []
let ypos = []
let app = []
for (let i = 0; i < a.length; i++) {
let ab = (a[i] + b[i])/2
let mn = (m[i] + n[i])/2
let dist = Math.abs(ab - mn)
xpos.push(Math.min(ab, mn) + dist/2)
ypos.push(Math.sqrt(2)/2*dist)
let am = Math.abs(a[i] - m[i])
let bm = Math.abs(b[i] - m[i])
let an = Math.abs(a[i] - n[i])
let bn = Math.abs(a[i] - n[i])
let K = (2*Math.PI)/((1/am)-(1/an)-(1/an)+(1/bn))
app.push(df['rho'][i]*-K)
}
console.log(app)
// update the trace and redraw the figure
trace['x'] = xpos
trace['y'] = ypos
trace['marker']['color'] = app
trace['marker']['cmax'] = document.getElementById('cmax').value
trace['marker']['cmin'] = document.getElementById('cmin').value
Plotly.redraw('gd')
}
}
let surveySelect = document.getElementById('surveySelect')
// bar chart for contact resistance
let rsdata = []
let rslayout = {
title: 'Contact resistances',
yaxis: {
title: 'Resistance [kOhm]'
},
xaxis: {
title: 'Consecutive electrodes'
}
}
Plotly.newPlot('rs', rsdata, rslayout)
// run RS check
function rsBtnFunc() {
sendCommand('{"cmd": "rsCheck"}', function (res) {
// update the bar plot
rsdata.push({
x: res['data']['AB'],
y: res['data']['res'],
name: 'RS',
type: 'bar'
})
Plotly.redraw('rs')
})
}
let rsBtn = document.getElementById('rsBtn')
rsBtn.addEventListener('click', rsBtnFunc)
// clear RS graph
function rsClearBtnFunc() {
rsdata = []
Plotly.newPlot('rs', rsdata, rslayout)
}
let rsClearBtn = document.getElementById('rsClearBtn')
rsClearBtn.addEventListener('click', rsClearBtnFunc)
// getData
function getData() {
sendCommand(JSON.stringify({
'cmd': 'getData',
'surveyNames': Object.keys(data).slice(0, -1)
// last survey is often partial so we download it again
}), function(ddic) {
// update status
output.innerHTML = 'Status: ' + ddic['status']
// update data dic with new data
data = { // destructuring assignement (magic! :o)
...data,
...ddic['data'] // value from second dic are preferred
}
// dropdown with number of surveys and +++
let surveyNames = Object.keys(data).sort()
// remove listener as we will replace the choices
surveySelect.removeEventListener('change', surveySelectFunc)
surveySelect.innerHTML = '' // clearing all child nodes
// add choices again
for (let surveyName of surveyNames) {
let option = document.createElement('option')
option.innerText = surveyName
option.value = surveyName
surveySelect.appendChild(option)
}
// listener again
surveySelect.addEventListener('change', surveySelectFunc)
// plot last one by default
surveySelect.value = surveyNames[surveyNames.length - 1]
// call the function directly
// (as progammatically chaging the value does not trigger the event)
surveySelectFunc({'target': surveySelect})
// update list of quadrupoles if any
if (quads.length == 0) {
console.log('updating list of quadrupoles')
let df = data[surveyNames[0]]
let quadSelect = document.getElementById('quadSelect')
quadSelect.innerHTML = ''
for (let i = 0; i < df['a'].length; i++) {
quad = [df['a'][i], df['b'][i], df['m'][i], df['n'][i]]
quads.push(quad)
let option = document.createElement('option')
option.value = quad.join(', ')
option.innerText = quad.join(', ')
quadSelect.appendChild(option)
}
console.log('quads=', quads)
}
// update time-serie figure
if (squads.length > 0) {
// transform all surveyNames to datetime
let xt = []
for (surveyName of surveyNames) {
let a = surveyName.split('_').slice(-1)[0]
xt.push(a.slice(0, 4) + '-'
+ a.slice(4, 6) + '-'
+ a.slice(6, 8) + ' '
+ a.slice(9, 11) + ':'
+ a.slice(11, 13) + ':'
+ a.slice(13, 15))
}
//console.log(xt)
// create one new trace per selected quadrupole
for (let k = 0; k < squads.length; k++) {
squad = squads[k]
let x = []
let y = []
for (let i = 0; i < surveyNames.length; i++) {
df = data[surveyNames[i]]
for (let j = 0; j < df['a'].length; j++) {
if (df['a'][j] == squad[0]
&& df['b'][j] == squad[1]
&& df['m'][j] == squad[2]
&& df['n'][j] == squad[3]) {
y.push(df['rho'][j])
x.push(xt[i])
break
}
}
}
// update trace dictionnary
tdata[k]['x'] = x
tdata[k]['y'] = y
}
//console.log(tdata)
Plotly.redraw('ts')
}
})
}
let getDataBtn = document.getElementById('getDataBtn')
getDataBtn.addEventListener('click', getData)
// apply new colorscale
let capplyBtn = document.getElementById('capplyBtn')
capplyBtn.addEventListener('click', function() {
surveySelectFunc({'target': surveySelect})
})
// checkbox interaction for data download
function dataRetrievalCheckFunc(x) {
if (x['target'].checked == true) {
interv = setInterval(getData, 1000) // every 5s
} else {
clearInterval(interv)
}
}
let dataRetrievalCheck = document.getElementById('dataRetrievalCheck')
dataRetrievalCheck.addEventListener('change', dataRetrievalCheckFunc)
// remove data
function removeDataBtnFunc() {
sendCommand('{"cmd": "removeData"}',function(x) {
data = {}
output.innerHTML = 'Status: ' + x['status'] + ' (all data cleared)'
console.log('all data removed')
})
}
let removeDataBtn = document.getElementById('removeDataBtn')
removeDataBtn.addEventListener('click', removeDataBtnFunc)
// shutdown Pi
function shutdownBtnFunc() {
sendCommand('{"cmd": "shutdown"}', function(x) {
console.log('shuting down...')
})
}
let shutdownBtn = document.getElementById('shutdownBtn')
shutdownBtn.addEventListener('click', shutdownBtnFunc)
// restart Pi
function restartBtnFunc() {
sendCommand('{"cmd": "restart"}', function(x) {
console.log('rebooting...')
})
}
let restartBtn = document.getElementById('restartBtn')
restartBtn.addEventListener('click', restartBtnFunc)
// invert data
// function invertBtnFunc() {
// sendCommand('{"cmd": "invert"}', function(x) {
// console.log('inversion results', x)
// })
// }
// let invertBtn = document.getElementById('invertBtn')
// invertBtn.addEventListener('click', invertBtnFunc)
// download data
function downloadBtnFunc() {
sendCommand('{"cmd": "download"}', function(x) {
let dwl = document.getElementById('download')
dwl.setAttribute('href', serverUrl + '/data.zip')
dwl.setAttribute('download', 'data.zip')
dwl.click()
})
}
let downloadBtn = document.getElementById('downloadBtn')
downloadBtn.addEventListener('click', downloadBtnFunc)
</script>
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