Remove in-dev uplot scatter from this branch

This commit is contained in:
Christoph Kluge 2023-09-05 11:51:50 +02:00
parent 1b8c4e293c
commit 0993549cac

View File

@ -1,627 +0,0 @@
<script>
import Quadtree from '@timohausmann/quadtree-js' // https://github.com/timohausmann/quadtree-js
import uPlot from 'uplot'
import { formatNumber } from '../units.js'
import { onMount, onDestroy } from 'svelte'
import { Card } from 'sveltestrap'
let plotWrapper = null
let uplot = null
let timeoutId = null
function randInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function filledArr(len, val) {
let arr = Array(len);
if (typeof val == "function") {
for (let i = 0; i < len; ++i)
arr[i] = val(i);
}
else {
for (let i = 0; i < len; ++i)
arr[i] = val;
}
return arr;
}
let points = 10000;
let series = 5;
console.time("prep");
let data = filledArr(series, v => [
filledArr(points, i => randInt(0,500)),
filledArr(points, i => randInt(0,500)),
]);
data[0] = null;
console.timeEnd("prep");
console.log(data);
const drawPoints = (u, seriesIdx, idx0, idx1) => {
const size = 5 * devicePixelRatio;
uPlot.orient(u, seriesIdx, (series, dataX, dataY, scaleX, scaleY, valToPosX, valToPosY, xOff, yOff, xDim, yDim, moveTo, lineTo, rect, arc) => {
let d = u.data[seriesIdx];
u.ctx.fillStyle = series.stroke();
let deg360 = 2 * Math.PI;
console.time("points");
// let cir = new Path2D();
// cir.moveTo(0, 0);
// arc(cir, 0, 0, 3, 0, deg360);
// Create transformation matrix that moves 200 points to the right
// let m = document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGMatrix();
// m.a = 1; m.b = 0;
// m.c = 0; m.d = 1;
// m.e = 200; m.f = 0;
let p = new Path2D();
for (let i = 0; i < d[0].length; i++) {
let xVal = d[0][i];
let yVal = d[1][i];
if (xVal >= scaleX.min && xVal <= scaleX.max && yVal >= scaleY.min && yVal <= scaleY.max) {
let cx = valToPosX(xVal, scaleX, xDim, xOff);
let cy = valToPosY(yVal, scaleY, yDim, yOff);
p.moveTo(cx + size/2, cy);
// arc(p, cx, cy, 3, 0, deg360);
arc(p, cx, cy, size/2, 0, deg360);
// m.e = cx;
// m.f = cy;
// p.addPath(cir, m);
// qt.add({x: cx - 1.5, y: cy - 1.5, w: 3, h: 3, sidx: seriesIdx, didx: i});
}
}
console.timeEnd("points");
u.ctx.fill(p);
});
return null;
};
const drawPoints2 = (u, seriesIdx, idx0, idx1) => {
uPlot.orient(u, seriesIdx, (series, dataX, dataY, scaleX, scaleY, valToPosX, valToPosY, xOff, yOff, xDim, yDim, moveTo, lineTo, rect, arc) => {
let d = u.data[seriesIdx];
u.ctx.fillStyle = series.fill();
let deg360 = 2 * Math.PI;
console.time("points");
// let cir = new Path2D();
// cir.moveTo(0, 0);
// arc(cir, 0, 0, 3, 0, deg360);
// Create transformation matrix that moves 200 points to the right
// let m = document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGMatrix();
// m.a = 1; m.b = 0;
// m.c = 0; m.d = 1;
// m.e = 200; m.f = 0;
let p = new Path2D();
let strokeWidth = 1;
for (let i = 0; i < d[0].length; i++) {
let cx = valToPosX(d[0][i], scaleX, xDim, xOff);
let cy = valToPosY(d[1][i], scaleY, yDim, yOff);
let size = d[2][i] * devicePixelRatio;
p.moveTo(cx + size, cy);
arc(p, cx, cy, size, 0, deg360);
qt.add({
x: cx - size - strokeWidth/2 - u.bbox.left,
y: cy - size - strokeWidth/2 - u.bbox.top,
w: size * 2 + strokeWidth,
h: size * 2 + strokeWidth,
sidx: seriesIdx,
didx: i
});
}
console.timeEnd("points");
u.ctx.fill(p);
u.ctx.lineWidth = strokeWidth;
u.ctx.strokeStyle = series.stroke();
u.ctx.stroke(p);
});
return null;
};
// shape?
const makeDrawPoints3 = (opts) => {
let {/*size,*/ disp, each = () => {}} = opts;
return (u, seriesIdx, idx0, idx1) => {
uPlot.orient(u, seriesIdx, (series, dataX, dataY, scaleX, scaleY, valToPosX, valToPosY, xOff, yOff, xDim, yDim, moveTo, lineTo, rect, arc) => {
let d = u.data[seriesIdx];
let strokeWidth = 1;
u.ctx.save();
u.ctx.rect(u.bbox.left, u.bbox.top, u.bbox.width, u.bbox.height);
u.ctx.clip();
u.ctx.fillStyle = series.fill();
u.ctx.strokeStyle = series.stroke();
u.ctx.lineWidth = strokeWidth;
let deg360 = 2 * Math.PI;
console.time("points");
// let cir = new Path2D();
// cir.moveTo(0, 0);
// arc(cir, 0, 0, 3, 0, deg360);
// Create transformation matrix that moves 200 points to the right
// let m = document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGMatrix();
// m.a = 1; m.b = 0;
// m.c = 0; m.d = 1;
// m.e = 200; m.f = 0;
// compute bubble dims
let sizes = disp.size.values(u, seriesIdx, idx0, idx1);
// todo: this depends on direction & orientation
// todo: calc once per redraw, not per path
let filtLft = u.posToVal(-maxSize / 2, scaleX.key);
let filtRgt = u.posToVal(u.bbox.width / devicePixelRatio + maxSize / 2, scaleX.key);
let filtBtm = u.posToVal(u.bbox.height / devicePixelRatio + maxSize / 2, scaleY.key);
let filtTop = u.posToVal(-maxSize / 2, scaleY.key);
for (let i = 0; i < d[0].length; i++) {
let xVal = d[0][i];
let yVal = d[1][i];
let size = sizes[i] * devicePixelRatio;
if (xVal >= filtLft && xVal <= filtRgt && yVal >= filtBtm && yVal <= filtTop) {
let cx = valToPosX(xVal, scaleX, xDim, xOff);
let cy = valToPosY(yVal, scaleY, yDim, yOff);
u.ctx.moveTo(cx + size/2, cy);
u.ctx.beginPath();
u.ctx.arc(cx, cy, size/2, 0, deg360);
u.ctx.fill();
u.ctx.stroke();
each(u, seriesIdx, i,
cx - size/2 - strokeWidth/2,
cy - size/2 - strokeWidth/2,
size + strokeWidth,
size + strokeWidth
);
}
}
console.timeEnd("points");
u.ctx.restore();
});
return null;
};
};
// https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/isPointInPath
let qt;
let pxRatio;
function setPxRatio() {
pxRatio = devicePixelRatio;
}
function guardedRange(u, min, max) {
if (max == min) {
if (min == null) {
min = 0;
max = 100;
}
else {
let delta = Math.abs(max) || 100;
max += delta;
min -= delta;
}
}
return [min, max];
}
setPxRatio();
window.addEventListener('dppxchange', setPxRatio);
const opts = {
title: "Scatter Plot",
mode: 2,
width: 1920,
height: 600,
legend: {
live: false,
},
hooks: {
drawClear: [
u => {
// qt = qt || new Quadtree(0, 0, u.bbox.width, u.bbox.height);
// qt.clear();
// force-clear the path cache to cause drawBars() to rebuild new quadtree
u.series.forEach((s, i) => {
if (i > 0)
s._paths = null;
});
},
],
},
scales: {
x: {
time: false,
// auto: false,
// range: [0, 500],
// remove any scale padding, use raw data limits
range: guardedRange,
},
y: {
// auto: false,
// range: [0, 500],
// remove any scale padding, use raw data limits
range: guardedRange,
},
},
series: [
{
/*
stroke: "red",
fill: "rgba(255,0,0,0.1)",
paths: (u, seriesIdx, idx0, idx1) => {
uPlot.orient(u, seriesIdx, (series, dataX, dataY, scaleX, scaleY, valToPosX, valToPosY, xOff, yOff, xDim, yDim) => {
let d = u.data[seriesIdx];
console.log(d);
});
return null;
},
*/
},
{
stroke: "red",
fill: "rgba(255,0,0,0.1)",
paths: drawPoints,
},
{
stroke: "green",
fill: "rgba(0,255,0,0.1)",
paths: drawPoints,
},
{
stroke: "blue",
fill: "rgba(0,0,255,0.1)",
paths: drawPoints,
},
{
stroke: "magenta",
fill: "rgba(0,0,255,0.1)",
paths: drawPoints,
},
],
};
let u = new uPlot(opts, data, document.body);
points = 50;
// size range in pixels (diameter)
let minSize = 6;
let maxSize = 60;
let maxArea = Math.PI * (maxSize / 2) ** 2;
let minArea = Math.PI * (minSize / 2) ** 2;
// quadratic scaling (px area)
function getSize(value, minValue, maxValue) {
let pct = value / maxValue;
// clamp to min area
//let area = Math.max(maxArea * pct, minArea);
let area = maxArea * pct;
return Math.sqrt(area / Math.PI) * 2;
}
function getSizeMinMax(u) {
let minValue = Infinity;
let maxValue = -Infinity;
for (let i = 1; i < u.series.length; i++) {
let sizeData = u.data[i][2];
for (let j = 0; j < sizeData.length; j++) {
minValue = Math.min(minValue, sizeData[j]);
maxValue = Math.max(maxValue, sizeData[j]);
}
}
return [minValue, maxValue];
}
let drawPoints3 = makeDrawPoints3({
disp: {
size: {
unit: 3, // raw CSS pixels
// discr: true,
values: (u, seriesIdx, idx0, idx1) => {
// TODO: only run once per setData() call
let [minValue, maxValue] = getSizeMinMax(u);
return u.data[seriesIdx][2].map(v => getSize(v, minValue, maxValue));
},
},
},
each: (u, seriesIdx, dataIdx, lft, top, wid, hgt) => {
// we get back raw canvas coords (included axes & padding). translate to the plotting area origin
lft -= u.bbox.left;
top -= u.bbox.top;
qt.add({x: lft, y: top, w: wid, h: hgt, sidx: seriesIdx, didx: dataIdx});
},
});
let data2 = filledArr(series, v => [
filledArr(points, i => randInt(0,500)),
filledArr(points, i => randInt(0,500)),
filledArr(points, i => randInt(1,10000)), // bubble size, population
filledArr(points, i => (Math.random() + 1).toString(36).substring(7)), // label / country name
]);
data2[0] = null;
data2[1][1] = data2[1][1].map(v => v == 0 ? v : v * -1);
/*
const legendValue = (u, val, seriesIdx, idx) => {
let [x, y, size] = u.data[seriesIdx];
return `${x[idx]}, ${y[idx]}, ${size[idx]}`;
};
*/
const legendValues = (u, seriesIdx, dataIdx) => {
// when data null, it's initial schema probe (also u.status == 0)
if (u.data == null || dataIdx == null || hRect == null || hRect.sidx != seriesIdx) {
return {
"Country": '<NUM COUNTRIES>',
"Population": '<TOTAL POP>',
"GDP": '<TOTAL GDP>',
"Income": '<AVG INCOME>'
};
}
let [x, y, size, label] = u.data[seriesIdx];
return {
"Country": label[hRect.didx],
"Population": size[hRect.didx],
"GDP": '$' + x[hRect.didx],
"Income": '$' + y[hRect.didx],
};
};
// hovered
let hRect;
const opts2 = {
title: "Bubble Plot",
mode: 2,
width: 1920,
height: 600,
legend: {
// live: false,
},
cursor: {
dataIdx: (u, seriesIdx) => {
if (seriesIdx == 1) {
hRect = null;
let dist = Infinity;
let cx = u.cursor.left * pxRatio;
let cy = u.cursor.top * pxRatio;
// !!! https://github.com/timohausmann/quadtree-js/blob/master/docs/simple.html
// Rewrite mouseOver based on this example
// let overlaps = qt.retrieve({x:cx, y:cy, width:1, height:1})
// for(var i=0;i<overlaps.length;i=i+1) {
// overlaps[i].check = true;
// }
// OLD!
qt.get(cx, cy, 1, 1, o => {
if (pointWithin(cx, cy, o.x, o.y, o.x + o.w, o.y + o.h)) {
let ocx = o.x + o.w / 2;
let ocy = o.y + o.h / 2;
let dx = ocx - cx;
let dy = ocy - cy;
let d = Math.sqrt(dx ** 2 + dy ** 2);
// test against radius for actual hover
if (d <= o.w / 2) {
// only hover bbox with closest distance
if (d <= dist) {
dist = d;
hRect = o;
}
}
}
});
}
return hRect && seriesIdx == hRect.sidx ? hRect.didx : null;
},
points: {
size: (u, seriesIdx) => {
return hRect && seriesIdx == hRect.sidx ? hRect.w / devicePixelRatio : 0;
}
}
},
hooks: {
drawClear: [
u => {
qt = qt || new Quadtree(0, 0, u.bbox.width, u.bbox.height);
qt.clear();
// force-clear the path cache to cause drawBars() to rebuild new quadtree
u.series.forEach((s, i) => {
if (i > 0)
s._paths = null;
});
},
],
},
axes: [
{
label: "GDP",
},
{
label: "Income 1",
},
{
side: 1,
scale: 'y2',
stroke: "red",
label: "Income 2",
grid: {
show: false,
},
},
],
scales: {
x: {
time: false,
// auto: false,
// range: [0, 500],
// remove any scale padding, use raw data limits
range: guardedRange,
},
y: {
// auto: false,
// range: [0, 500],
// remove any scale padding, use raw data limits
range: guardedRange,
},
y2: {
dir: 1,
ori: 1,
range: guardedRange,
}
},
series: [
null,
{
facets: [
{
scale: 'x',
auto: true,
},
{
scale: 'y2',
auto: true,
}
],
label: "Region A",
stroke: "red",
fill: "rgba(255,0,0,0.3)",
paths: drawPoints3,
values: legendValues,
},
{
facets: [
{
scale: 'x',
auto: true,
},
{
scale: 'y',
auto: true,
}
],
label: "Region B",
stroke: "green",
fill: "rgba(0,255,0,0.3)",
paths: drawPoints3,
values: legendValues,
},
{
facets: [
{
scale: 'x',
auto: true,
},
{
scale: 'y',
auto: true,
}
],
label: "Region C",
stroke: "blue",
fill: "rgba(0,0,255,0.3)",
paths: drawPoints3,
values: legendValues,
},
{
facets: [
{
scale: 'x',
auto: true,
},
{
scale: 'y',
auto: true,
}
],
label: "Region E",
stroke: "orange",
fill: "rgba(255,128,0,0.3)",
paths: drawPoints3,
values: legendValues,
},
],
};
let u2 = new uPlot(opts2, data2, document.body);
</script>
{#if data != null}
<div bind:this={plotWrapper}/>
{:else}
<Card class="mx-4" body color="warning">Cannot render scatter: No data!</Card>
{/if}