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csv_plotter.htm
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csv_plotter.htm
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
<title>csv plotter</title>
<style type="text/css">
.invalid {
box-shadow: 0 0 3px 1px #900 !important; /* red */
}
.dropcell:empty:before {
content: attr(placeholder);
color: #ccc;
cursor: text;
}
input, .dropcell {
font-family: Tahoma;
font-size: 13px;
padding: 2px;
}
.dropparent {
min-width: 40px;
display: flex;
flex-grow: 1;
border-bottom: #ccc 1px solid;
box-shadow: #ddd -1em 0px 1em -1em inset; /* greying out rightwards */
}
.dropcell, div.func {
min-height: 20px;
min-width: 40px;
flex-grow: 1;
padding: 4px 1px;
overflow: hidden; /* case no wrap */
text-indent: 15px;
}
.dragging.dropcell, .dragging .dropcell, span.caretover, div.func:focus-within {
box-shadow: 0 0 3px 1px #090; /* green */
}
#kpool .kbox[knum], suggest_list .kbox[knum], .fancy .kbox[knum] {
border: 1px solid #0002; /* grey ~ #ccc */
background-color: #e8f9ffaa; /* a light blue */
text-indent: 0px;
display: inline-block;
padding: 0px 4px;
}
#kpool .kbox[kname]::before, suggest_list .kbox[kname]::before, .fancy .kbox[kname]::before {
content: attr(knum);
vertical-align: super;
font-size: smaller;
color: grey;
}
.kbox > span {
pointer-events: none; /* pass all events to kbox */
}
#kpool > .kbox {
cursor: pointer; /* sent by click */
margin: 3px;
}
.dropcell > .kbox::before {
cursor: grab; /* draggable */
}
.kbox:active {
opacity: 0.4;
}
.kbox:not([knum]) {
text-decoration: underline wavy red;
}
.delicon {
opacity: 0;
width: 0;
position: relative;
display: inline-block;
text-indent: 0;
top: -0.8em;
z-index: 999;
}
.kbox:hover .delicon {
opacity: 1; /* instead visibility, which does not work with position:absolute */
}
.delicon:before {
background: white;
pointer-events: all;
}
.delicon:not(:hover) {
color: #ccc;
}
.dropcell .kbox.dragover {
border: 1px dashed #090; /* grey ~ #ccc */
}
.dragging .delicon { /* prevent dashed kbox border when dragging over invisible delicon */
display: none;
}
li {
display: block;
padding: 0 2px;
text-indent: initial; /* do not inherit fom div */
}
li > .kbox {
border: none !important; /* ignore fancy */
background-color: transparent !important;
pointer-events: none;
}
li.hover {
background: lightblue;
}
li:not(.show) {
display: none;
}
#kpool > .kbox > span, li > .kbox > span {
font-size: 0; /* hide the dollar */
}
span.dropcell.color {
width: 25px;
flex-grow: 0;
}
span.dropcell.opacity {
width: 15px;
flex-grow: 0;
}
.wrap span.dropcell.opacity, .wrap span.dropcell.color {
flex-grow: 1;
}
.dropcell.rgb:not(:hover):not(.caretover) {
/* slowly hide hex string */
transition: color 1s;
color: transparent;
}
.Trace {
border: 1px solid #ccc;
border-bottom: none;
display: flex;
outline: none; /* suppress native outline for focus-within */
}
.Trace:focus, .Trace:focus-within, .Trace.caretover {
border-color: #6399cb;
}
.dropparent > label {
font-weight: bold;
font-style: italic;
color: #ccc;
}
.Trace:focus > label, .Trace:focus-within > label, .Trace.caretover > span > label {
color: #6399cb;
}
.Trace label > i, label > label {
position: absolute;
}
.wrap .Trace {
flex-flow: wrap row
}
.wrap .Trace .dropcell, .wrap .Trace div.func {
min-width: 20px;
}
label > i {
padding: 2px 4px;
}
label > label {
padding: 0px 4px;
}
#colornames {
display: flex;
flex-wrap: nowrap;
}
#colornames > div {
min-width: 20px;
height: 20px;
margin: 2px;
}
#colornames > div:active {
opacity : 0.4;
}
/* fullscreen mode + uncomment height in plot_data */
#plotly-div {
flex-grow: 20;
}
body {
display: flex;
flex-direction: column;
}
.vis {
transition: opacity 0.2s;
border: none;
border-radius: 4px;
padding: 4px 6px;
}
.vis:not(:hover) {
opacity: 0.4;
}
:fullscreen .fa-expand {display: None}
html:not(:fullscreen) .fa-compress {display: None}
.dropcell > .active {
outline: 5px auto Highlight;
outline: 5px auto -webkit-focus-ring-color;
outline: 1px solid #000;
outline: 1px dashed #0008; /* transparency to make cursor visible at border */
}
.plotypicon {
min-height: 20px;
border-bottom: #ccc 1px solid;
}
.plotypicon > img {
width: 18px;
height: 18px;
border: 1px solid grey;
margin: 0 0 0 4px;
}
#webgl:checked:not(:indeterminate) + i {
filter: blur(0.8px);
}
#webgl:indeterminate + i, #cbfancy:not(:checked) + i, #cbwrap:not(:checked) + i, #cblegend:not(:checked):not(:indeterminate) + i {
color: #999;
}
#cblegend:indeterminate + i + .diagopac {
padding: 1px;
position: absolute;
left: 0px;
top: 0px;
width: 100%;
height: 100%;
background: linear-gradient(to right bottom, #f000 50%, #fffc 50%);
}
#menuicons > button, :not(button) > i {
vertical-align: middle;
}
.fa-classes, .fa-github {
font-size: large
}
.fa-border-style {
font-size: larger
}
.cboutline {
shape-rendering: crispEdges
}
.fa-x::before {
content: "x";
font-family: verdana;
font-style: italic;
font-weight: bold;
}
.fa-y::before {
content: "y";
font-family: verdana;
font-style: italic;
font-weight: bold;
}
#cursor {
display: inline;
}
#cursor.collapsed {
vertical-align: bottom; /* makes cursor inline not super in empty dropcell */
animation: blink 1s;
outline: 1px solid red;
animation-iteration-count: infinite;
}
#suggest_div #cursor {
display: none;
}
@keyframes blink {
50% { outline-color: #ffffff00; }
}
.fa-file:hover:before {
content: "\f07c"; /* switch to .fa-folder-open */
}
</style>
</head>
<body style="font-family: verdana; font-size: 70%; margin: 0">
<div style="position: fixed; left: 20px; top: 10px; z-index: 10000">
<button id="fullscreen" class="vis" onclick="if (document.fullscreenElement) {(document.exitFullscreen || document.webkitExitFullscreen).call(document)}
else {var elem = document.documentElement; (elem.requestFullscreen || elem.webkitRequestFullscreen).call(elem)}"><i class="fas fa-expand"></i><i class="fas fa-compress"></i></button>
<button id="expand" class="vis" onclick="[document.getElementsByTagName('body')[0].style.height, graph.style.height] = this.firstChild.classList.toggle('fas') ? ['','100vh'] : ['100vh', ''];"><i class="far fa-keyboard"></i></button>
</div>
<div id="plotly-div" oncontextmenu="return false"></div>
<div style="display: flex; align-items: start;"><i class="fa fa-info" style="padding: 0px 5px;"></i>
<div id="info" style="flex-grow: 1"><span style="color:grey"></span></div>
<div id="menuicons" style="white-space: nowrap;">
<button onclick="select_columns()" title="replot"><i class="fas fa-sync"></i></button>
<button onclick="ta.focus(); document.execCommand('undo', false, null)" title="undo"><i class="fas fa-share fa-flip-horizontal"></i></button>
<button onclick="ta.focus(); document.execCommand('redo', false, null)" title="redo"><i class="fas fa-share"></i></button>
<button class="mobile" onmousedown="event.preventDefault()" onclick="sel.modify('move', 'backward', 'character')" style="width:100px"><i class="fas fa-arrow-left"></i></button>
<button class="mobile" onmousedown="event.preventDefault()" onclick="sel.modify('move', 'forward', 'character')" style="width:100px"><i class="fas fa-arrow-right"></i></button>
<button id="share" title="create link"><i class="fa fa-share-alt"></i></button>
<a id="github" title="github" style="text-decoration: none; color: black; padding: 0px 4px;" href="https://github.com/mzechmeister/csvplotter"><i class="fab fa-github"></i></a>
<label title="toggle svg/webgl"><input id="webgl" type="checkbox" onclick="toggle_tristate(this)" onchange="select_columns()" style="display: None">
<i class="fas fa-glasses"></i></label>
<label title="frame for column name"><input id="cbfancy" type="checkbox" checked onchange='document.getElementById("Traces").classList.toggle("fancy", this.checked)' style="display: None;">
<i class="far fa-square"></i></label>
<label title="toggle legend" style="position:relative"><input id="cblegend" type="checkbox" onclick='toggle_tristate(cblegend); Plotly.relayout(graph, {showlegend: [null, false, true][this.state]})' style="display: None">
<i class="fas fa-list-ul" style="padding: 0 8px 0 4px;"></i><i class="diagopac" style="padding: 0px"></i></label>
</div>
</div>
<div>
<label title="wrap"><input id="cbwrap" type="checkbox" checked onchange='document.getElementById("Traces").classList.toggle("wrap", this.checked)' style="display: None;">
<i class="fas fa-stream"></i></label>
<div id="colornames" style="height:20px; float:right"></div>
</div>
<div id="cursor"></div>
<div id="tawrapper" style="position: relative">
<div id="Traces" class="fancy wrap" style="background: white; margin: 5px 0;">
<div class="Trace" contenteditable tnum=1>
<span class="plotypicon"><image src="https://raw.githubusercontent.com/plotly/plotly-icons/master/src/svg/plot-scatter.svg"></span>
<span class="dropparent"><label><i class="far fa-file" title="file/url" onclick="csvFileInput.click()"></i></label><span id="url" class="dropcell">
</span><input id="csvFileInput" type="file" style="display:none" onchange="url_kwargs['url'] = '['+this.files[0].name+']'; dsv(this.files[0], init)"></span>
<span class="dropparent"><label><label class="fa-x" title="x values"></label></label><span id="cx" class="dropcell" placeholder="x" onchange="select_columns()"></span></span>
<span class="dropparent"><label><label class="fa-y" title="y values"></label></label><span id="cy" class="dropcell" placeholder="y" onchange="select_columns()"></span></span>
<span class="dropparent"><label><i class="fa fa-arrows-alt-h" title="x errors"></i></label><span id="ce_x" class="dropcell" placeholder="err_x" onchange="select_columns()"></span></span>
<span class="dropparent"><label><i class="fa fa-arrows-alt-v" title="y errors"></i></label><span id="ce_y" class="dropcell" placeholder="err_y" onchange="select_columns()"></span></span>
<span class="dropparent"><label><i class="fa fa-tag" title="label"></i></label><span id="ct" class="dropcell" placeholder="label" onchange="select_columns()"></span></span>
<span class="dropparent"><label><i class="fa fa-bullseye" title="point size"></i></label><span id="cs" class="dropcell" placeholder="size" onchange="select_columns()"></span></span>
<span class="dropparent"><label><i class="fas fa-shapes" title="point type"></i></label><span id="pt" class="dropcell" placeholder="pt" onchange="select_columns()"></span></span>
<span class="dropparent"><label><i class="fa fa-tint" title="color"></i></label><span id="cc" class="dropcell color" placeholder="color" onchange="select_columns()"></span></span>
<span class="dropparent"><label><i class="fa fa-adjust" title="opacity"></i></label><span id="co" class="dropcell opacity" placeholder="opac" onchange="select_columns()">0.5</span></span>
<span class="dropparent"><label><i class="fa fa-filter" title="filter"></i></label><span id="filt" class="dropcell filter" placeholder="filter" onchange="select_columns()"></span></span>
</div>
<div class="Trace" contenteditable tnum=2>
<span class="plotypicon"><image src="https://raw.githubusercontent.com/plotly/plotly-icons/master/src/svg/plot-line.svg" class="plotypicon"></span>
<span class="dropparent"><label><i class="fa fa-calculator" title="function"></i></label><span id="funcf" class="dropcell func" onchange="empty_func(); draw_func()" placeholder="[::] f(x) or x(t), y(t)"></span></span>
<span class="dropparent"><label><i class="fa fa-tint" title="color"></i></label><span type="search" id="funcc" class="dropcell color rgb" placeholder="color" onchange="empty_func(); draw_func()"></span></span>
<span class="dropparent"><label><i class="fa fa-adjust" title="opacity"></i></label><span id="funco" class="dropcell opacity" onchange="empty_func(); draw_func()">0.5</span></span>
</div>
</div>
<textarea id="ta" style="height: 0px; position: absolute; pointer-events: none; z-index: -1; top: 20px;"></textarea>
</div>
<div id="kpool"></div>
<span id="suggest_div" contentEditable=False style="position: absolute; transform: translate(0%, -100%); max-height: 200px; overflow-y: auto; overflow-x: hidden; border: 1px solid #ccc"><ul id="suggest_list" style="padding: 0; margin: 0; width: 100%; background: #fffc;"></ul></span>
<script src='https://cdn.plot.ly/plotly-latest.min.js'></script>
<script src='dsv.js'></script>
<script src='zoom_pan.js'></script>
<script src="https://unpkg.com/mathjs/lib/browser/math.js"></script>
<script>
tristate(cblegend, 0)
function tristate(cb, state) {
cb.state = state
cb.indeterminate = state == 0
cb.checked = state == 2
}
function toggle_tristate(cb) {
tristate(cb, ++cb.state % 3) // cycle through 0,1,2
}
if (!/iPhone|iPad|iPod|Android/i.test(navigator.userAgent)) {
// hide arrow keys
for (x of [...document.getElementsByClassName('mobile')])
x.style.setProperty('display', 'none')
}
function info(...args) {
document.getElementById("info").innerHTML = args.join(" ")
}
function dragicon(ev) {
event.dataTransfer.setData("text", "asdf"+ev.target.innerText)
}
for (item of document.getElementsByClassName('fa')) {
item.draggable = "true"
item.ondragstart = dragicon
}
function add_drop(query) {
document.querySelectorAll(query).forEach(x => x.classList.add('dragging'))
}
function remove_drag() {
for (x of [...document.querySelectorAll(".dragging,.dragover")])
x.classList.remove('dragging', 'dragover') /* see 1156633d47d2568781cabc5ebc7c07ad16f6089b */
return false // do only once for mousedown, dragend
}
function colorDragStart(e) {
add_drop(".color")
e.dataTransfer.effectAllowed = 'move'
e.dataTransfer.setData("text", rgb)
e.dataTransfer.setData('text/rgb', rgb)
}
dropOnColorCell = e => {
rgb = e.dataTransfer.getData('text/rgb')
if (rgb) {
// select the whole color cell
prev_sel = getNodePos(e.target)
taInsert(rgb, prev_sel[0], prev_sel[1]-1)
colorRestyle(e.target)
e.preventDefault()
e.stopPropagation()
}
}
function renderColor(f) {
rgb = f.innerText.replace("\n", "")
if (rgb.startsWith('#')) {
f.style.backgroundColor = rgb
f.classList.add("rgb")
} else {
// vector, i.e. a palette
f.style.backgroundColor = ''
f.classList.remove("rgb")
}
}
function parseColor(f) {
rgb = f.innerText.replace("\n", "")
// single rgb string or vector, i.e. a palette
return rgb.startsWith('#')? rgb : parseCell(f)
}
function update_errorbar(tnum=1) {
// back to d3, since Plotly cannot make variable colors for errorbars
// also opacity for errorbars was depreciated
if (!webgl.indeterminate && webgl.checked) return // does not works for gl (only svg)
let f = document.getElementsByClassName("color")[tnum-1]
let rgb = parseColor(f)
let opacity = parseCell(f.parentNode.nextElementSibling.lastChild)
let tclass = ".trace" + graph._fullLayout._traceUids[tnum-1] // "trace1af3d7"
let xerr = Plotly.d3.selectAll('.xerror')
let yerr = Plotly.d3.selectAll('.yerror')
if (rgb.pop) {
// get colors from data points
rgbs = Plotly.d3.selectAll('.points .point').data().map(d => d.mcc)
// apply colors to errorbars
xerr.style('stroke', (d,i) => rgbs[i])
yerr.style('stroke', (d,i) => rgbs[i])
}
if (opacity.pop) {
xerr.style("stroke-opacity", (d,i) => opacity[i])
yerr.style("stroke-opacity", (d,i) => opacity[i])
} else // also fixed opacity needs to be updated, since deprecated in plotly
Plotly.d3.selectAll(tclass+" .xerror,.yerror").style("stroke-opacity", opacity)
}
function colorRestyle(f) {
rgb = parseColor(f)
//let opacity = parseCell(f.nextElementSibling.nextElementSibling)
if (rgb.pop) rgb = [rgb] // plotly needs brackets when restyling https://community.plotly.com/t/plotly-restyle-acces-modify-trace-data/9233/2
let tnum = f.closest(".Trace").getAttribute("tnum")
Plotly.restyle(graph, {
'marker.color': rgb,
'error_x.color': rgb,
'error_y.color': rgb,
'marker.showscale': typeof rgb[0] == "object",
'marker.colorbar.title': cbtitle || document.getElementById("cc").innerText
}, tnum-1)
}
// the color boxes
divcols = document.getElementById('colornames')
divcols.onmouseenter = (_ => add_drop(".color"))
divcols.onmouseleave = remove_drag
for (color of Plotly.d3.scale.category10().range()) {
let div = document.createElement('div')
div.style['background-color'] = color
div.draggable = true
div.ondragstart = colorDragStart
div.ondragend = remove_drag
div.onmousedown = (_ => {add_drop(".color")
rgb = div.style["background-color"]
if (rgb.startsWith('rgb')) rgb = '#' + rgb.slice(4,-1).split(',').map(x => (+x).toString(16).padStart(2,0)).join('')
})
div.onmouseup = (e => {
// send color at click
f = closest(sel.focusNode, ".dropcell.color")
|| closest(getPoint(ta.selectionStart)[0], ".dropcell.color")
if (f) {
prev_sel = getNodePos(f)
taInsert(rgb, prev_sel[0], prev_sel[1]-1)
colorRestyle(f)}})
divcols.append(div)
}
for (cell of document.querySelectorAll('.Trace label,img')) {
cell.contentEditable = false
}
for (cell of document.getElementsByClassName('dropcell')) {
cell.contentEditable = true
cell.innerHTML += "<br>" // allows to focus empty spans
cell.spellcheck = false
cell.ondragover = handleDragEnter
}
for (cell of document.getElementsByClassName('color')) {
cell.ondrop = dropOnColorCell
}
dragsrc = null
dragposA = null
dragposB = null
function handleDragStart(e) {
add_drop("[tnum='1']")
e.dataTransfer.setData('text/plain', this.innerText)
if (Traces.contains(e.target))
[dragposA, dragposB] = getNodePos(e.target)
dragsrc = e.target
// Trace.ondragstart adds deleteByDrag flag
}
function handleDragEnter(e) {
e.preventDefault() // needed otherwise drop is not called
e.dataTransfer.dropEffect = (dragsrc && dragsrc.contains(e.target)) ? 'none' : 'move' // rgb has no dragsrc
}
function handleDrag(e) {
e.preventDefault() // needed otherwise drop is not called
}
// https://github.com/d3/d3-scale-chromatic
schemeTableau10 = "4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab".match(/.{1,6}/g)
schemeSet3 = "8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f".match(/.{1,6}/g)
schemeDark2 = "1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666".match(/.{1,6}/g)
function kBox(colname, responsive=true, drag4contenteditable=true) {
let sp = document.createElement('span')
sp.className = "kbox"
sp.innerHTML = '<span>$</span>' + colname
sp.innerHTML += "<span class='delicon far fa-times-circle' onclick='taDeleteNode(this.parentNode)'></span>"
knum = lookup["$"+colname]
if (knum != undefined) {
colname != knum && sp.setAttribute('kname', 'true')
sp.setAttribute('knum', knum)
//sp.style.color = "#" + schemeSet3[knum % 12]
sp.style.color = "#" + schemeDark2[knum % 8]
}
if (responsive) {
sp.draggable = true
sp.addEventListener('dragstart', handleDragStart)
sp.addEventListener('drag', handleDrag)
sp.addEventListener('dragenter', e => {e.currentTarget.classList.add("dragover")})
sp.addEventListener('dragleave', e => {if (sp.contains(e.relatedTarget)) return; // @FF: do not leave when draging over the child textnode. CSS ".kbox * {pointer-events: none;}"
e.currentTarget.classList.remove("dragover")})
sp.addEventListener('dragend', remove_drag)
if (drag4contenteditable) {
sp.addEventListener('drop', dropOnkbox)
sp.addEventListener('dragstart', e => {sp.contentEditable = true})
sp.addEventListener('mousedown', e => {sp.contentEditable = false})
sp.addEventListener('mouseup', e => {sp.contentEditable = true
if (document.caretRangeFromPoint) {
pos = document.caretRangeFromPoint(e.clientX, e.clientY)
sel.setPosition(pos.startContainer, pos.startOffset)
} else { // firefox
sel.setPosition(e.rangeParent, e.rangeOffset)
}
})
}
}
return sp
}
dropOnkbox = e => {
e.preventDefault() // no browser insertion
prev_sel = getNodePos(e.target)
}
kpoolClick = e => {
foc = getPoint(ta.selectionStart)[0]
if (document.querySelector('.Trace[tnum="1"]').contains(foc)) {
foc = closest(foc, '.kbox')
// cases: selection could be extended (dropcell focuses), a kbox, or collapsed
block = true
ta.focus()
if (foc && sel.isCollapsed) // replace whole kbox
ta.setSelectionRange(...getNodePos(foc))
if (e.target.getAttribute("trash"))
document.execCommand('delete')
else
document.execCommand('insertText', false, e.target.innerText)
block = false
}
}
function init_box(colpool) {
var kpool = document.getElementById('kpool')
kpool.innerHTML = '' // remove all currents options
trash = kBox('', true, drag4contenteditable=false)
trash.innerHTML = '<span style="font-size:inherit"><i class="far fa-trash-alt" style="vertical-align: baseline; font-size: 1.2em; padding: 0.09em 0 0.06em 0;"></i></span>'
trash.setAttribute('knum', "none")
trash.setAttribute('trash', "true")
trash.setAttribute('title', "delete active column")
trash.onclick = kpoolClick
kpool.append(trash)
suggest_list.innerHTML = "" // clear it before loading dropped file
// put all columns into dragable divs
for (let [k, colname] of colpool.entries()) {
let sp = kBox(colname, true, drag4contenteditable=false)
sp.onclick = kpoolClick
kpool.appendChild(sp)
// list entries for suggestion
let li = document.createElement('li')
li.append(kBox(colname, responsive=false))
suggest_list.append(li)
}
}
function parseCell(cell) {
cellHTML = cell.innerHTML.replace(/<br>/g, "")
cellText = cell.innerText.replace(/\n/g, "").trim()
if (cellText == +cellText) {
// scalar, e.g. "5"
result = cellText }
else if (cellText in lookup) {
// single column
result = data[lookup[cellText]]}
else {
// column operations
expr_raw = cellHTML
knums = new Set()
for (child of cell.children) {
knum = child.getAttribute('knum')
if (knum==null)
// normal string, e.g. "*8"
expr_raw = expr_raw.replace(child.outerHTML, child.innerText)
else {
expr_raw = expr_raw.replace(child.outerHTML, "$"+knum)
knums.add(knum)
}
}
// replaces entities ;gt&, ;amp& etc.
expr_raw = new DOMParser().parseFromString(expr_raw, "text/html").documentElement.textContent
expr_raw = expr_raw.replace(/\s/g, " ") // replace protected spaces (caused by nbsp)
// search for column names starting with $ and ending as a word, e.g. $11 vs $119
for (k in lookup) {if (k.startsWith('$')) { u=expr_raw.match("\\"+k+"\\b", "g"); u && knums.add(u[0].replace("$", ""))}}
// Trim dollar sign and convert to integer
//knums.add(...expr_raw.match(/\$[0-9]+/g).map(x=>+x.replace("$", "")))
// console.log(cell.id, expr_raw, knums)
try {
expr2 = math.compile(expr_raw).evaluate
vector = data[0].map((d,i) => {
argi = {}
for (k of knums) {
d = data[k][i]
argi["$"+k] = [undefined, "", "nan"].includes(d) ? NaN : d // NaNs for Mathjs
}
return expr2(argi)
})
}
catch (e) {
cell.classList.add("invalid")
info('<span style="color:#D00">'+cell.getAttribute('placeholder')+": "+e.message+'</span>')
return
}
result = vector
}
cell.classList.contains("invalid") && info()
cell.classList.remove("invalid")
return result
}
function using_columns() {
[cx, cy, ct] = document.getElementById("using").innerText.split(":")
document.getElementById("cx").innerText = cx
document.getElementById("cy").innerText = cy
document.getElementById("ct").innerText = ct
select_columns()
}
function select_columns() {
args = {
x : parseCell(document.getElementById("cx")),
y : parseCell(document.getElementById("cy")),
de_x : parseCell(document.getElementById("ce_x")),
de_y : parseCell(document.getElementById("ce_y")),
dt : parseCell(document.getElementById("ct")),
ds : parseCell(document.getElementById("cs")),
pt : parseCell(document.getElementById("pt")),
cc : parseColor(document.getElementById("cc")),
Do : parseCell(document.getElementById("co")),
filt : parseCell(document.getElementById("filt")),
}
//document.getElementById("using").innerText = x + ":" + y + ":" + ct + ":" + ds
plot_data(data, args)
return true
}
var fmtaxis = {
linecolor: 'black', mirror: true,
ticks: "inside", mirror: "allticks", zeroline: false
}
function linspace(start, stop, num, endpoint=true) {
const div = endpoint ? (num - 1) : num
const step = (stop - start) / div
return Array.from({length: num}, (_, i) => start + step * i)
}
function empty_func() {
// a placeholder (function with no data)
var graph = document.getElementsByClassName("js-plotly-plot")[0]
expr1 = document.getElementById("funcf").innerText.replace("\n", "")
if (expr1 == "") Plotly.restyle(graph, {'x':[[]], 'y':[[]]}, 1)
}
function draw_func() {
var graph = document.getElementsByClassName("js-plotly-plot")[0]
expr1 = document.getElementById("funcf").innerText.replace("\n", "")
funcc = document.getElementById("funcc").innerText.replace("\n", "")
funco = document.getElementById("funco").innerText.replace("\n", "")
if (expr1 != "") {
try {
/* expr = new Function("x", "return "+expr1) */
// mathjs
range = [...graph._fullLayout.xaxis.range, 2000]
// split range
user_range = expr1.match(/^\s*?\[(.*)\]/)
if (user_range) {
expr1 = expr1.replace(user_range[0], "")
user_range = user_range[1].split(":").map(s => s.trim())
}
[expr_y, expr_x] = expr1.split(",").reverse()
if (expr_x != undefined) {
// parametric plot
range = [0, 10, 2000]
}
if (user_range) {
if (user_range.length == 1 && user_range[0]) {
range[2] = +user_range[0]
}
else if (user_range.length > 1) {
if (user_range[0]) range[0] = +user_range[0]
if (user_range[1]) range[1] = +user_range[1]
if (user_range[2]) range[2] = +user_range[2]
}
}
x1 = t1 = linspace(...range)
expr2 = math.compile(expr_y.trim()).evaluate
if (expr_x != undefined) {
// parametric plot
expr_x2 = math.compile(expr_x.trim()).evaluate
x1 = t1.map(t => expr_x2({'t': t}))
expr = t => expr2({'t': t})
y1 = t1.map(expr)
} else {
if (graph._fullLayout.xaxis.type == 'log') x1 = x1.map(x => 10**x)
expr = x => expr2({'x': x})
y1 = x1.map(expr)
}
}
catch(e) {
info('<span style="color:#D00">expr: '+e.message+'</span>')
document.getElementById("funcf").classList.add("invalid")
return false
}
funcf.classList.contains("invalid") && info()
funcf.classList.remove("invalid")
Plotly.restyle(graph, {'x': [x1], 'y': [y1], 'name': [expr1],
marker: [{color: funcc}], opacity: funco}, 1)
}
for (x of document.querySelectorAll(".gtitle, .xtitle, .ytitle, .cbtitle > text")) {
// reset attributes for the editable labels
// needed only for the when page reload (work in first place) + mouse zoom (property removed)
x.style['cursor'] = 'text'
x.style['pointer-events'] = 'all'
x.onclick = edittext
}
}
glmin = 500 // Threshold for number of points to toggle automatically between gl and svg
function plot_data(data, {x, y, de_x, de_y, dt, ct, ds, pt, cc, Do, filt}) {
if (filt) {
// filter only data with criteria filt
datafilter = d => (d && d.filter ? d.filter((_,i) => filt[i]) : d)
x = datafilter(x)
y = datafilter(y)
de_x = datafilter(de_x)
de_y = datafilter(de_y)
dt = datafilter(dt)
ct = datafilter(ct)
ds = datafilter(ds)
pt = datafilter(pt)
cc = datafilter(cc)
Do = datafilter(Do)
}
trace1 = {
type: (webgl.indeterminate ? data[0].length>glmin : webgl.checked) ? "scattergl" : "scatter", // https://plotly.com/javascript/webgl-vs-svg
x: x,
y: y,
name: data._basename,
mode: 'markers',
marker: {
symbol: pt,
opacity: Do,
color: cc ? cc : '#404040',
colorscale: 'Portland',
colorbar: {title: cbtitle || document.getElementById("cc").innerText,
ticks: 'inside'
},
showscale: typeof cc == "object",
line: { width: 1,
color: '#404040'}}
}
if (dt) trace1.text = dt //.map(ti => ""+ct+": "+ti)
if (ds) trace1.marker.size = ds
if (de_x) trace1.error_x = {array: de_x, color: cc ? cc : '#404040', opacity: Do, width: 2, thickness: 1.5}
if (de_y) trace1.error_y = {array: de_y, color: cc ? cc : '#404040', opacity: Do, width: 2, thickness: 1.5}
cx = document.getElementById("cx").innerText
cy = document.getElementById("cy").innerText
traces = [trace1]
trace2 = {
type: "line",
x: [],
y: [],
}
traces.push(trace2)
layout = {
autosize: true,
// height: 394,
// width: 1121,
hovermode: 'closest',
title: title || "csv plotter",
xaxis: {
title: xtitle || (cx>-1 ? 'Column '+cx : cx),
...fmtaxis
},
yaxis: {
//title: 'Column y',
title: ytitle || (cy>-1 ? 'Column '+cy : cy),
...fmtaxis
},
margin: {l: 50, r: 10, b: 40, t: 30},
showlegend: [null, false, true][cblegend.state]
}
// Plotly.plot('plotly-div', {
Plotly.newPlot('plotly-div', {
data: traces,
layout: layout,
config: {responsive: true,
scrollZoom: true,
displaylogo: false,
modeBarButtonsToRemove: ['select2d', 'lasso2d']}
})
graph = document.getElementsByClassName("js-plotly-plot")[0]
graph.on('plotly_restyle', e => update_errorbar())
graph.on('plotly_relayout', function(event) {
// recompute the function for new ranges after zoom (resize?)
draw_func()
update_errorbar()
})
draw_func()
update_errorbar() // to render ealier the errorbars
zoompan()
graph.on('plotly_click', function(data) {
let pts = ''
for (let d of data.points) { // data.point are not all points from one trace
pts = "#" + (d.pointNumber+1) + ": x = " + d.x + ", y = " + d.y
d['error_x.array'] === undefined || (pts += ", e_x = " + d['error_x.array'])
d['error_y.array'] === undefined || (pts += ", e_y = " + d['error_y.array'])
d.text === undefined || (pts += ', ' + d.text)
d['marker.size'] === undefined || (pts += ", ps = " + d['marker.size'])
d['marker.symbol'] === undefined || (pts += ", pt = " + d['marker.symbol'])
}
info('Closest point clicked: ' + pts)
})
}
gwidth = null
gheight = null
let observer = new MutationObserver(function(mutations) {
var graph = document.getElementById("plotly-div")
var resized = graph.style.width && graph.style.height && (gwidth != graph.style.width) || (gheight != graph.style.height)
gwidth = graph.style.width
gheight = graph.style.height
if (resized) {
window.dispatchEvent(new Event('resize'))
}
})
observer.observe(document.getElementById('plotly-div'), {attributes: true})
// allow to pre-fill fields and url
url_kwargs = Object.fromEntries(new URL(window.location).searchParams)
url = url_kwargs["url"]
function renderCell(node) {
keys = [...colnames, "0", ...colnames.map((x,i) => ""+(i+1))].sort().reverse()
nodenum = [...dropcells].indexOf(node)
nodetext = ta.value.split("\n")[nodenum]
nodetext = nodetext.replace(/ /g, ' \xa0').replace(/ $/, '\xa0')
nodestart = getPos(node, 0)
curpos = ta.selectionEnd - nodestart
seltext = nodetext
if (0 < curpos && curpos < nodetext.length)
seltext = nodetext.slice(0, curpos)
let toparse = nodetext.replace("\n", "").split("$")
node.innerHTML = toparse.shift() // Consume the first text. It's "", when string starts with "$".
let curnode = node.firstChild // a text node
let qname = ''
for (let text of toparse) {
let kname = text
let hit = keys.find(k => text.startsWith(k))