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nearest-non-null.html
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nearest-non-null.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Nearest Non-Null</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="../dist/uPlot.min.css">
</head>
<body>
<script src="../dist/uPlot.iife.js"></script>
<script>
let data = [
[1566453600,1566453660,1566453720,1566453780,1566453840,1566453900,1566453960,1566454020,1566454080,1566454140,1566454200,1566454260,1566454320,1566454380,1566454440,1566454500,1566454560,1566454620,1566454680,1566454740,1566454800,1566454860,1566454920,1566454980,1566455040,1566455100,1566455160,1566455220,1566455280,1566455340,1566455400,1566455460,1566455520,1566455580,1566455640,1566455700,1566455760,1566455820,1566455880,1566455940,1566456000,1566456060,1566456120,1566456180,1566456240,1566456300,1566456360,1566456420,1566456480,1566456540,1566456600,1566456660,1566456720,1566456780,1566456840,1566456900,1566456960,1566457020,1566457080,1566457140,1566457200,1566457260,1566457320,1566457380,1566457440,1566457500,1566457560,1566457620,1566457680,1566457740,1566457800,1566457860,1566457920,1566457980,1566458040,1566458100,1566458160,1566458220,1566458280,1566458340,1566458400,1566458460,1566458520,1566458580,1566458640,1566458700,1566458760,1566458820,1566458880,1566458940,1566459000,1566459060,1566459120,1566459180,1566459240,1566459300,1566459360,1566459420,1566459480,1566459540,1566459600,1566459660,1566459720,1566459780,1566459840,1566459900,1566459960,1566460020,1566460080,1566460140,1566460200,1566460260,1566460320,1566460380,1566460440,1566460500,1566460560,1566460620,1566460680,1566460740,1566460800,1566460860,1566460920,1566460980,1566461040,1566461100,1566461160,1566461220,1566461280,1566461340,1566461400,1566461460,1566461520,1566461580,1566461640,1566461700,1566461760,1566461820,1566461880,1566461940,1566462000,1566462060,1566462120,1566462180,1566462240,1566462300,1566462360,1566462420,1566462480,1566462540,1566462600,1566462660,1566462720,1566462780,1566462840,1566462900,1566462960,1566463020,1566463080,1566463140,1566463200,1566463260,1566463320,1566463380,1566463440,1566463500,1566463560,1566463620,1566463680,1566463740,1566463800,1566463860,1566463920,1566463980,1566464040,1566464100,1566464160,1566464220,1566464280,1566464340,1566464400,1566464460,1566464520,1566464580,1566464640,1566464700,1566464760,1566464820,1566464880,1566464940,1566465000,1566465060,1566465120,1566465180,1566465240,1566465300,1566465360,1566465420,1566465480,1566465540],
[6.54,6.15,6.16,6.15,6.19,6.26,6.32,6.15,6.15,6.28,6.29,6.33,6.18,6.17,6.17,6.33,6.32,6.23,6.15,6.15,6.24,6.29,6.16,6.17,6.17,6.45,6.28,6.16,6.17,6.17,6.24,6.3,6.19,6.19,6.17,6.24,6.29,6.22,6.18,6.28,6.26,6.17,6.3,6.16,6.21,6.24,6.16,6.29,6.17,6.18,6.27,6.16,6.33,6.16,6.19,6.24,6.18,1.7,6.18,6.16,6.34,6.18,6.28,6.18,6.17,6.34,6.17,6.28,6.17,6.22,6.23,6.14,6.29,6.2,6.16,6.24,6.16,6.17,6.29,6.17,6.38,6.2,6.16,6.3,6.18,6.31,6.16,6.16,6.29,6.15,6.31,6.17,6.17,6.3,6.2,6.27,6.16,6.15,6.3,6.41,6.28,6.16,6.15,6.28,6.15,6.33,6.18,6.18,6.17,5.2,6.23,6.17,6.16,6.16,6.33,6.3,6.19,6.16,6.92,6.28,6.33,6.17,6.21,6.15,6.32,6.61,1.48,6.15,6.17,6.44,6.23,6.19,6.17,6.24,6.33,6.26,6.17,6.17,6.17,6.27,6.25,6.11,6.1,6.07,6.09,6.37,6.08,6.09,6.08,6.07,6.34,6.07,6.08,6.07,6.07,6.37,6.07,6.07,6.07,6.25,6.26,6.06,6.1,6.07,6.09,6.31,6.08,6.11,6.11,6.12,6.26,6.08,6.09,6.07,6.1,6.25,6.06,6.06,6.07,6.07,6.36,6.26,6.08,6.08,6.09,6.16,6.23,6.07,6.09,6.21,6.22,6.21,6.09,6.07,6.09,6.22,6.3,6.12,6.07,6.11],
[14.02,14.01,14.01,14.01,14.01,14.03,14.03,14.02,14.02,14.03,14.03,14.04,14.03,14.03,14.03,14.02,14.04,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.04,14.04,14.03,14.03,14.03,14.04,14.03,14.04,14.04,14.04,14.05,14.03,14.03,14.03,14.04,14.04,14.05,14.03,14.03,14.03,14.03,14.05,14.04,14.04,14.04,14.03,14.04,14.03,14.04,14.04,14.03,14.04,14.03,14.03,14.03,14.03,14.02,14.02,14.02,14.01,14.01,14.02,14.02,14.02,14.02,14.02,14.02,14.01,14.01,14.02,14.02,14.02,14.03,14.02,14,14.02,14.02,14.04,14.03,14.02,14.02,14.02,14.03,14.02,14.03,14.03,14.03,14.03,14.02,14.02,14.02,14.02,14.02,14.02,14.02,14.02,14.02,14.03,14.03,14.02,14.02,14.02,14.02,14.36,14.08,14.08,14.08,14.08,14.04,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14,14,14,14,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.03,14.04,14.04,14.03,14.01,14.01,14.01,14.01,14.03,14.01,14.01,14.01,14.01,14.04,14.03,14.04,14.04,14.04,14.02,14.01,14.01,14.01,14.03,14.04,14.03,14.03,14.03,14.04,14.04,14.03,14.03,14.03,14.04,14.05,14.04,14.03,14.03,14.03,14.03,14.04,14.04,14.04,14.03,14.03,14.04,14.03,14.04,14.04,14.04,14.04,14.03,14.03,14.04,14.04,14.05,14.04,14.04,14.04,14.02,14.05,14.04,14.03,14.03],
];
data[1][35] = null;
data[1][36] = null;
data[1][37] = null;
data[1][38] = null;
data[1][39] = null;
data[1][40] = null;
data[1][41] = null;
data[2][79] = null;
data[2][80] = null;
data[2][91] = null;
data[2][125] = null;
data[2][126] = null;
data[2][127] = null;
// data[2][197] = null;
// data[2][198] = null;
// data[2][199] = null;
let longDateHourMin = uPlot.fmtDate('{YYYY}-{MM}-{DD} {h}:{mm}{aa}');
const opts = {
title: "Nearest Non-Null (by nearest x scale value)",
width: 1920,
height: 600,
/*
hooks: {
setLegend: [
u => {
console.log(u.cursor.idxs);
}
],
},
*/
cursor: {
dataIdx: (self, seriesIdx, hoveredIdx, cursorXVal) => {
let xValues = self.data[0];
let yValues = self.data[seriesIdx];
// todo: only scan in-view idices
if (yValues[hoveredIdx] == null) {
let nonNullLft = null,
nonNullRgt = null,
i;
i = hoveredIdx;
while (nonNullLft == null && i-- > 0) {
if (yValues[i] != null)
nonNullLft = i;
}
i = hoveredIdx;
while (nonNullRgt == null && i++ < yValues.length) {
if (yValues[i] != null)
nonNullRgt = i;
}
let rgtVal = nonNullRgt == null ? Infinity : xValues[nonNullRgt];
let lftVal = nonNullLft == null ? -Infinity : xValues[nonNullLft];
let lftDelta = cursorXVal - lftVal;
let rgtDelta = rgtVal - cursorXVal;
hoveredIdx = lftDelta <= rgtDelta ? nonNullLft : nonNullRgt;
}
return hoveredIdx;
}
},
series: [
{},
{
label: "CPU",
values: (u, sidx, idx) => {
if (idx == null)
return { Time: '--', Value: '--' };
// let date = self.tzDate(data[0][idx]);
let date = new Date(data[0][idx] * 1e3);
return {
Time: longDateHourMin(date),
Value: data[sidx][idx],
};
},
stroke: "red",
fill: "rgba(255,0,0,0.05)",
},
{
label: "RAM",
values: (u, sidx, idx) => {
if (idx == null)
return { Time: '--', Value: '--' };
// let date = self.tzDate(data[0][idx]);
let date = new Date(data[0][idx] * 1e3);
return {
Time: longDateHourMin(date),
Value: data[sidx][idx],
};
},
stroke: "blue",
fill: "rgba(0,0,255,0.05)",
},
],
};
let u = new uPlot(opts, data, document.body);
</script>
<script>
const opts2 = {
title: "Nearest Non-Null (by 30px proximity)",
width: 1920,
height: 600,
cursor: {
hover: {
prox: 30,
bias: 0,
skip: [null],
}
},
hooks: {
init: [
u => {
/*
let els = {
hz: null,
vt: null,
};
let hz = els.hz = document.createElement('div');
hz.style.height = '100%';
hz.style.width = '5px';
hz.style.background = 'rgba(255,0,0,0.3)';
hz.style.position = 'absolute';
hz.style.transformOrigin = '0 0';
u.over.appendChild(hz);
let vt = els.vt = document.createElement('div');
vt.style.width = '100%';
vt.style.height = '5px';
vt.style.background = 'rgba(255,0,0,0.3)';
vt.style.position = 'absolute';
vt.style.transformOrigin = '0 0';
u.over.appendChild(vt);
u.els = els;
*/
},
],
setLegend: [
u => {
/*
let idx = u.cursor.idxs[3];
if (idx != null) {
let x = u.valToPos(u.data[0][idx], 'x');
let y = u.valToPos(u.data[3][idx], 'y');
u.els.hz.style.translate = `${x}px 0`;
u.els.vt.style.translate = `0 ${y}px`;
}
*/
}
]
},
scales: {
x: {
time: false,
}
},
series: [
{},
{
stroke: "red",
spanGaps: true,
},
{
stroke: "blue",
spanGaps: true,
},
{
stroke: "green",
spanGaps: true,
},
{
stroke: "orange",
spanGaps: true,
}
]
};
const tables = [
[
null,
[30,null,null,null,null,null,null,30,null,null,null,null,null,30],
],
[
null,
[5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],
],
[
null,
[18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18],
],
[
null,
[25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25],
],
];
let xRange = 100;
tables.forEach(t => {
t[0] = t[1].map((v, i) => i/t[1].length * xRange);
});
const data2 = uPlot.join(tables);
let u2 = new uPlot(opts2, data2, document.body);
let data3 = uPlot.join([
[
[
1626235540319,
1626235584004,
1626235627689,
1626235671374,
1626235715059,
1626235758744,
1626235802429,
1626235846114,
1626235889799,
1626235933484,
1626235977169
],
[
1,
20,
90,
30,
5,
0,
100,
20,
null,
100,
20
]
],
[
[
1626235540319,
1626235613128,
1626235685937,
1626235758746,
1626235831555,
1626235904364,
1626235977173
],
[
1,
20,
90,
30,
5,
null,
0
]
]
], [[0,2],[0,2]]);
let opts3 = {
...opts2,
title: "Nearest Non-Null (by 15px proximity only when hovered val === null)",
ms: 1,
scales: {
x: {
time: true,
}
},
series: [
{},
{
stroke: "red",
fill: "rgb(255,0,0,0.1)"
},
{
stroke: "blue",
fill: "rgb(0,0,255,0.1)"
},
],
cursor: {
hover: {
prox: (self, seriesIdx, hoveredIdx) => {
const yVal = self.data[seriesIdx][hoveredIdx];
if (yVal === null)
return 15; // 15px proximity when hovering nuulls, but not undefined
return null;
},
skip: [null],
},
}
};
let u3 = new uPlot(opts3, data3, document.body);
</script>
</body>
</html>