101 lines
3.2 KiB
HTML
101 lines
3.2 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Inngangsverkstedet</title>
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</head>
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<body>
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<!-- Felixalb 2021 -->
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<h2>En kort analyse av nerders døgnrytme i deres naturlige habitat, PVV</h2>
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<h3 id="infoText"></h3>
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<canvas id="doorGraph1"></canvas>
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<script src="./p5.min.js"></script>
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<script>
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const infoEl = document.getElementById("infoText");
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const graphEl1 = document.getElementById("doorGraph1");
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const XHR = new XMLHttpRequest();
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const url="/door/?period=day&edgeonly=true";
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XHR.open("GET", url);
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XHR.send();
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XHR.onreadystatechange = ()=>{
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if (XHR.readyState == 4 && XHR.status == 200) {
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console.log("Response 200 from API")
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response = JSON.parse(XHR.responseText);
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if (response.status != "OK") {
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infoEl.innerHTML = "Error when connecting to API.";
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return
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} else {
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let datapoints = response.entries;
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console.log("Success, " + datapoints.length + " datapoints received.");
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// displayLineDiagram(graphEl1, datapoints);
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displayBar(datapoints);
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}
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}
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}
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// function getDateString(time) {
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// let dateObj = new Date(time*1e3);
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// return dateObj.toLocaleString();
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// }
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// function displayLineDiagram(canv, data) {
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// let ctx = canv.getContext("2d");
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// let chart = new Chart(ctx, {
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// type: 'line',
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// data: {
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// labels: data.map(entry=> getDateString(entry.time)),
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// // labels: data.map(entry=> 1e3 * entry.time),
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// datasets: [{
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// data: data.map(entry => entry.open)
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// }],
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// }
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// });
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// }
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function setup() {
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createCanvas(800, 200);
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noLoop();
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background(50);
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}
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function draw() {}
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function displayBar(data) {
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const fullLength = 60*60*24;
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// const dateObj = new Date();
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const curTime = Math.floor(Date.now() / 1000)
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let borderPositions = [0];
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//Convert timestamps to a position on the graph
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for(let i = data.length-1; i > 0; i--) {
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const ts = data[i]["time"];
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const pixelPos = width - (((curTime - ts) / fullLength) * width);
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borderPositions.push(pixelPos);
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}
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console.log(borderPositions);
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let sectionColors = ["gray"];
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//Define list of colors, gray=?, green=open, red=closed
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for(let i = 0; i < data.length; i++) {
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sectionColors.push((data[i]["open"]) ? "green" : "red");
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}
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console.log(sectionColors);
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for(let i = 0; i < borderPositions.length-1; i++) {
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fill(sectionColors[i]);
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rect(borderPositions[i], 0, borderPositions[i+1], height);
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console.log(`${sectionColors[i]} from ${borderPositions[i]}px to ${borderPositions[i+1]}px`)
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}
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}
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</script>
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<!-- <script src="./chart.min.js"></script> -->
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</body>
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</html>
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