Skip to content
GitLab
An error occurred while loading the file. Please try again.
Switch branch/tag
Find file BlameHistoryPermalink
appChart.js 13.89 KiB
Open in Web IDE
1 
"use strict";
2
3 
// Request parameters
4 
const BASE_URL =
5 
  "http://193.196.39.91:8080/frost-icity-tp31/v1.1/Datastreams(80)/Observations";
6 
const BASE_URL2 =
7 
  "http://193.196.39.91:8080/frost-icity-tp31-v2/v1.1/Datastreams(41)/Observations";
8 
const PARAM_RESULT_FORMAT = "dataArray";
9 
const PARAM_ORDER_BY = "phenomenonTime asc";
10 
const PARAM_FILTER =
11 
  "resultTime ge 2020-01-01T00:00:00.000Z and resultTime le 2020-07-01T00:00:00.000Z";
12 
const PARAM_SELECT = "result,phenomenonTime";
13
14 
/**
15 
 * Draw an EMPTY chart using Apexcharts library
16 
 * @param {HTMLElement} htmlElement - HTML element where chart will be drawn
17 
 * @param {String} mainTitle - Main chart title
18 
 * @param {String} yAxisTitle - Y-axis title
19 
 * @returns {Object} - An empty chart object
20 
 */
21 
const drawEmptyLineChartAC = function (
22 
  htmlElement,
23 
  mainTitle = "Main Chart Title",
24 
  yAxisTitle = "y-axis title"
25 
) {
26 
  // Chart constants
27 
  const CHART_HTML_ELEMENT = htmlElement;
28 
  const TITLE_TEXT = mainTitle;
29 
  const Y_AXIS_TITLE = yAxisTitle;
30
31 
  const options = {
32 
    series: [],
33 
    chart: {
34 
      type: "area",
35 
      stacked: false,
36 
      height: 350,
37 
      zoom: {
38 
        type: "x",
39 
        enabled: true,
40 
        autoScaleYaxis: true,
41 
      },
42 
      toolbar: {
43 
        autoSelected: "zoom",
44 
      },
45 
    },
46 
    dataLabels: {
47 
      enabled: false,
48 
    },
49 
    markers: {
50 
      size: 0,
51 
    },
52 
    title: {
53 
      text: TITLE_TEXT,
54 
      align: "left",
55 
    },
56 
    noData: {
57 
      text: "Loading...",
58 
    },
59 
    fill: {
60 
      type: "gradient",
61 
      gradient: {
62 
        shadeIntensity: 1,
63 
        inverseColors: false,
64 
        opacityFrom: 0.5,
65 
        opacityTo: 0,
66 
        stops: [0, 90, 100],
67 
      },
68 
    },
69 
    yaxis: {
70 
      labels: {
71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
formatter: function (val) { return val.toFixed(0); }, forceNiceScale: true, }, title: { text: Y_AXIS_TITLE, }, }, xaxis: { type: "datetime", }, tooltip: { shared: false, y: { formatter: function (val) { return val.toFixed(2); }, }, }, }; const chart = new ApexCharts(CHART_HTML_ELEMENT, options); return chart; }; // Line chart 1 constants const chart1LineHTML = document.querySelector("#chart-apex-line"); const chart1LineTitle = "Inlet flow (Vorlauf)"; const chart1LineYAxisTitle = "Temperature (°C)"; // Draw an empty line chart const lineChartApex = drawEmptyLineChartAC( chart1LineHTML, chart1LineTitle, chart1LineYAxisTitle ); lineChartApex.render(); /** * Update an empty chart created using Apexcharts library * @param {String} chartName * @param {Array} dataArr * @returns {void} */ const updateLineChartAC = function (chartName, dataArr) { const CHART_NAME = chartName; // Update the chart lineChartApex.updateSeries([ { name: CHART_NAME, data: dataArr, }, ]); }; /** * Draw a heatmap using the ApexCharts library * ATTEMPT 1 * @param {Array} obsArray - Response from SensorThings API as array * @returns {void} */ const drawHeatMapAC1 = function (obsArray) { // Chart constants const CHART_HEATMAP_TITLE = "HeatMap Chart"; const CHART_HEATMAP_NAME_SERIES_1 = "VL-225"; // const CHART_HEATMAP_NAME_SERIES_2 = "W2"; /** * Convert SensorThings API response (an array) into an object
141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210
* @returns {Object} - Chart series object */ const generateHeatMapData = function () { const series = []; obsArray.forEach(([obsTime, obsValue]) => { series.push({ x: obsTime.slice(0, -1), // remove trailing "Z" from timestamp y: obsValue, }); }); return series; }; const data = [ { name: CHART_HEATMAP_NAME_SERIES_1, data: generateHeatMapData(obsArray), }, // { // name: CHART_HEATMAP_NAME_SERIES_2, // data: generateHeatMapData(obsArray), // }, ]; data.reverse(); const colors = [ "#F3B415", "#F27036", "#663F59", "#6A6E94", "#4E88B4", "#00A7C6", "#18D8D8", "#A9D794", "#46AF78", "#A93F55", "#8C5E58", "#2176FF", "#33A1FD", "#7A918D", "#BAFF29", ]; // colors.reverse(); const options = { series: data, chart: { height: 350, type: "heatmap", }, dataLabels: { enabled: false, }, colors: colors, title: { text: CHART_HEATMAP_TITLE, }, grid: { padding: { right: 20, }, }, xaxis: { type: "datetime", }, tooltip: { shared: false,
211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
x: { formatter: function (val) { return new Date(val).toLocaleString(); }, }, y: { formatter: function (val) { return val.toFixed(2); }, }, }, plotOptions: { heatmap: { useFillColorAsStroke: true, // we need this option for the chart to be visible // distributed: true, // enableShades: false, }, }, }; const chart = new ApexCharts( document.querySelector("#chart-apex-heatmap"), options ); chart.render(); }; /** * Draw a heatmap using the ApexCharts library * ATTEMPT 2 * @param {Array} obsArray - Response from SensorThings API as array * @returns {void} */ const drawHeatMapAC2 = function (obsArray) { // Chart constants const CHART_HEATMAP_TITLE = "HeatMap Chart"; const CHART_HEATMAP_NAME_SERIES_1 = "VL-225"; /** * Convert SensorThings API response (an array) into an object * @returns {Object} - Chart series object */ const generateHeatMapData = function () { const series = []; obsArray.forEach(([obsTime, obsValue]) => { series.push({ x: obsTime.slice(0, -1), // remove trailing "Z" from timestamp y: obsValue, }); }); return series; }; const data = [ { name: CHART_HEATMAP_NAME_SERIES_1, data: generateHeatMapData(obsArray), }, // { // name: CHART_HEATMAP_NAME_SERIES_2, // data: generateHeatMapData(obsArray), // }, ]; // Constants for our data range const LOW_FROM = 65; const LOW_TO = 70; const MEDIUM_FROM = 70; const MEDIUM_TO = 75; const HIGH_FROM = 75;
281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350
const HIGH_TO = 80; const EXTREME_FROM = 80; const EXTREME_TO = 85; const options = { series: data, chart: { height: 450, type: "heatmap", }, plotOptions: { heatmap: { shadeIntensity: 0.5, radius: 0, useFillColorAsStroke: true, colorScale: { ranges: [ { from: null, to: null, name: "null", color: "#525252", }, { from: LOW_FROM, to: LOW_TO, name: `${LOW_FROM}°C`, color: "#1a9641", }, { from: MEDIUM_FROM, to: MEDIUM_TO, name: `${MEDIUM_FROM}°C`, color: "#a6d96a", }, { from: HIGH_FROM, to: HIGH_TO, name: `${HIGH_FROM}°C`, color: "#fdae61", }, { from: EXTREME_FROM, to: EXTREME_TO, name: `${EXTREME_FROM}°C`, color: "#d7191c", }, ], }, }, }, dataLabels: { enabled: false, }, stroke: { width: 1, }, title: { text: CHART_HEATMAP_TITLE, }, grid: { padding: { right: 20, }, }, xaxis: { type: "datetime", // labels: { // format: "MMM", // }, },
351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420
tooltip: { shared: false, x: { formatter: function (val) { return new Date(val).toLocaleString(); }, }, y: { formatter: function (val) { if (val) { return val.toFixed(2); } else { return "null"; } }, }, }, // distributed: true, }; const chart = new ApexCharts( document.querySelector("#chart-apex-heatmap"), options ); chart.render(); }; /** * Follows "@iot.nextLink" links in SensorThingsAPI's response * Appends new results to existing results * @async * @param {Object} responsePromise - Promise object * @returns {Object} - Object containing results from all the "@iot.nextLink" links */ const followNextLink = function (responsePromise) { return responsePromise .then(function (lastSuccess) { if (lastSuccess.data["@iot.nextLink"]) { return followNextLink( axios.get(lastSuccess.data["@iot.nextLink"]) ).then(function (nextLinkSuccess) { nextLinkSuccess.data.value = lastSuccess.data.value.concat( nextLinkSuccess.data.value ); return nextLinkSuccess; }); } else { return lastSuccess; } }) .catch(function (err) { console.log(err); }); }; // Get "ALL" the Observations that satisfy our query followNextLink( axios.get(BASE_URL, { params: { "$resultFormat": PARAM_RESULT_FORMAT, "$orderBy": PARAM_ORDER_BY, "$filter": PARAM_FILTER, "$select": PARAM_SELECT, }, }) ) .then((success) => { const successValue = success.data.value; // Array that will hold the combined observations
421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490
const combinedObservations = []; successValue.forEach((dataObj) => { // Each page of results will have a dataArray that holds the observations const dataArrays = dataObj.dataArray; combinedObservations.push(...dataArrays); }); // DEBUG: Check total number of observations console.log(combinedObservations.length); // DEBUG: Print the array of observations console.log(combinedObservations); return combinedObservations; }) .catch((err) => { console.log(err); }) .then((observationArr) => { // updateLineChartAC(chart1LineTitle, observationArr); drawHeatMapAC2(observationArr); ///////////// use chart.js for line chart ///// check this out : https://stackoverflow.com/questions/57343566/zoom-function-for-chart-js //////////////////////////////// function renameKey(obj, oldKey, newKey) { obj[newKey] = obj[oldKey]; delete obj[oldKey]; } function convertArray2JSON(arr) { var arrayToString = JSON.stringify(Object.assign({}, arr)); // convert array to string var stringToJsonObject = JSON.parse(arrayToString); // convert string to json object return stringToJsonObject; } let jsonFromArr = []; for (var i = 0; i < observationArr.length; i++) { jsonFromArr.push(convertArray2JSON(observationArr[i])); } jsonFromArr.forEach((obj) => renameKey(obj, "0", "x")); let jsonFromArr2 = jsonFromArr; jsonFromArr2.forEach((obj) => renameKey(obj, "1", "y")); let datx=[]; let daty=[]; const MONTH = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; for (var u = 0; u<jsonFromArr.length ; u++){ daty.push(jsonFromArr2[u].y); let date = new Date(jsonFromArr2[u].x); let datum = date.getDate(); let month = MONTH[date.getMonth()]; let hour = date.getHours() + ":00"; let newDateStr = datum + "/" + month + "-" + hour; datx.push(newDateStr); } // $('#reset_zoom').click(function(){ // scatterChart.resetZoom(); // console.log(scatterChart); // }); // $('#disable_zoom').click(function(){ // scatterChart.ctx.canvas.removeEventListener('wheel', scatterChart._wheelHandler);
491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560
// }); // $('#enable_zoom').click(function(){ // scatterChart.ctx.canvas.addEventListener('wheel', scatterChart._wheelHandler); // }); ////////////////////////////////////////// // const chart1LineTitle = "Inlet flow (Vorlauf)"; // const chart1LineYAxisTitle = "Temperature (°C)"; const inflowChart = new Chart('inflowChartCanvas', { type: 'line', data: { labels: datx, datasets: [{ label: 'Inflow Temperature in °C', data: daty, fill: false, borderColor: 'rgb(75, 192, 192,0.3)', backgroundColor: 'rgba(153, 102, 255, 0.2)', // tension: 0.1 }] }, options: { // responsive: true, scales: { xAxes: [{ display: true, scaleLabel: { display: true, labelString: 'Month' } }], yAxes: [{ display: true, scaleLabel: { display: true, labelString: 'Value' } }] }, plugins: { // title: { // display: true, // text: 'Inlet Flow Temperature' // }, zoom: { pan: { // Boolean to enable panning enabled: true, // Panning directions. Remove the appropriate direction to disable // Eg. 'y' would only allow panning in the y direction mode: "xy", speed: 1, }, zoom: { wheel: { enabled: true, }, pinch: { enabled: false },
561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596
mode: 'x', } } } // end of plugins } // end of options }); $('#reset_zoom').click(function(){ inflowChart.resetZoom(); }); // drawHeatMapAC2(observationArr); var loadJS = function(url, implementationCode, location){ //url is URL of external file, implementationCode is the code //to be called from the file, location is the location to //insert the <script> element var scriptTag = document.createElement('script'); scriptTag.src = url; scriptTag.onload = implementationCode; scriptTag.onreadystatechange = implementationCode; location.appendChild(scriptTag); }; loadJS('js/createPlotlyPlots.js', makeRibbonPlot(jsonFromArr2), document.body); makeHeatmap(jsonFromArr2); /////////////////////////////////////// }); // this closes the followLink.then ({ .... })

Dies ist die Gitlab-Instanz des Transferportals der Hochschule für Technik Stuttgart. Hier geht es zurück zum Portal