list radar timestamps
This commit is contained in:
Matt Walsh
parent
887e0aa676
commit
a9d0968e28
18
.eslintrc.js
18
.eslintrc.js
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@ -20,13 +20,9 @@ module.exports = {
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'tab',
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],
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'no-tabs': 0,
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'no-use-before-define': 0,
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'no-console': 0,
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'linebreak-style': [
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'error',
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'unix',
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],
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'max-len': 0,
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'linebreak-style': 0,
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quotes: [
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'error',
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'single',
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@ -47,6 +43,18 @@ module.exports = {
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'no-floating-decimal': ['error'],
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'no-trailing-spaces': ['error'],
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'brace-style': [2, '1tbs', { allowSingleLine: true }],
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'no-mixed-operators': [
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'error',
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{
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groups: [
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['&', '|', '^', '~', '<<', '>>', '>>>'],
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['==', '!=', '===', '!==', '>', '>=', '<', '<='],
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['&&', '||'],
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['in', 'instanceof'],
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],
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allowSamePrecedence: true,
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},
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],
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},
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ignorePatterns: [
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'*.min.js',
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@ -36,12 +36,12 @@ class Radar extends WeatherDisplay {
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this.backgroundImage = utils.image.load('images/BackGround4_1.png');
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}
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async getData(_weatherParameters) {
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super.getData(_weatherParameters);
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const weatherParameters = _weatherParameters ?? this.weatherParameters;
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async getData(weatherParameters) {
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super.getData(weatherParameters);
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if (!weatherParameters) weatherParameters = this.weatherParameters;
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// ALASKA ISN'T SUPPORTED!
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if (weatherParameters.state === 'AK') {
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// ALASKA AND HAWAII AREN'T SUPPORTED!
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if (weatherParameters.state === 'AK' || weatherParameters.state === 'HI') {
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this.setStatus(STATUS.noData);
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return;
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}
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@ -51,30 +51,50 @@ class Radar extends WeatherDisplay {
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// get the base map
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let src = 'images/4000RadarMap2.jpg';
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if (weatherParameters.state === 'HI') src = 'images/HawaiiRadarMap2.png';
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if (weatherParameters.State === 'HI') src = 'images/HawaiiRadarMap2.png';
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this.baseMap = await utils.image.load(src);
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const baseUrl = 'https://radar.weather.gov/Conus/RadarImg/';
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const baseUrl = 'https://mesonet.agron.iastate.edu/archive/data/';
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const baseUrlEnd = '/GIS/uscomp';
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const baseUrls = [];
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let date = DateTime.utc().minus({ days: 1 }).startOf('day');
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let radarHtml;
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try {
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// get a list of available radars
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radarHtml = await utils.fetch.text(baseUrl, { cors: true });
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} catch (e) {
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console.error('Unable to get list of radars');
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console.error(e);
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this.setStatus(STATUS.failed);
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return;
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// make urls for yesterday, today and tomorrow
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while (date <= DateTime.utc().plus({ days: 1 }).startOf('day')) {
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baseUrls.push(`${baseUrl}${date.toFormat('yyyy/LL/dd')}${baseUrlEnd}`);
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date = date.plus({ days: 1 });
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}
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const lists = (await Promise.all(baseUrls.map(async (url) => {
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try {
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// get a list of available radars
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const radarHtml = await utils.fetch.text(url, { cors: true });
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return radarHtml;
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} catch (e) {
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console.log('Unable to get list of radars');
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console.error(e);
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this.setStatus(STATUS.failed);
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return false;
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}
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}))).filter((d) => d);
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// convert to an array of gif urls
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const parser = new DOMParser();
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const xmlDoc = parser.parseFromString(radarHtml, 'text/html');
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const anchors = xmlDoc.getElementsByTagName('a');
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const gifs = [];
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Object.values(anchors).forEach((a) => {
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gifs.push(a.innerHTML);
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});
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const pngs = lists.map((html, htmlIdx) => {
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const parser = new DOMParser();
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const xmlDoc = parser.parseFromString(html, 'text/html');
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// add the base url
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const base = xmlDoc.createElement('base');
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base.href = baseUrls[htmlIdx];
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xmlDoc.head.append(base);
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const anchors = xmlDoc.getElementsByTagName('a');
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const gifs = [];
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for (const idx in anchors) {
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if (anchors[idx].innerHTML?.includes('png') && anchors[idx].innerHTML?.includes('n0r_')) {
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gifs.push(anchors[idx].href);
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}
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}
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return gifs;
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}).flat();
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// filter for selected urls
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let filter = /Conus_\d/;
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@ -94,16 +114,16 @@ class Radar extends WeatherDisplay {
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let sourceXY;
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let width;
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let height;
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if (weatherParameters.state === 'HI') {
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if (weatherParameters.State === 'HI') {
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width = 600;
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height = 571;
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sourceXY = Radar.getXYFromLatitudeLongitudeHI(weatherParameters.latitude, weatherParameters.longitude, offsetX, offsetY);
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sourceXY = this.getXYFromLatitudeLongitudeHI(weatherParameters.latitude, weatherParameters.longitude, offsetX, offsetY);
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} else {
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width = 2550;
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height = 1600;
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offsetX *= 2;
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offsetY *= 2;
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sourceXY = Radar.getXYFromLatitudeLongitudeDoppler(weatherParameters.latitude, weatherParameters.longitude, offsetX, offsetY);
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sourceXY = this.getXYFromLatitudeLongitudeDoppler(weatherParameters.latitude, weatherParameters.longitude, offsetX, offsetY);
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}
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// create working context for manipulation
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@ -116,11 +136,11 @@ class Radar extends WeatherDisplay {
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// calculate radar offsets
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let radarOffsetX = 117;
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let radarOffsetY = 60;
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let radarSourceXY = Radar.getXYFromLatitudeLongitudeDoppler(weatherParameters.latitude, weatherParameters.longitude, offsetX, offsetY);
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let radarSourceXY = this.getXYFromLatitudeLongitudeDoppler(weatherParameters.latitude, weatherParameters.longitude, offsetX, offsetY);
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let radarSourceX = radarSourceXY.x / 2;
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let radarSourceY = radarSourceXY.y / 2;
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if (weatherParameters.state === 'HI') {
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if (weatherParameters.State === 'HI') {
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radarOffsetX = 120;
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radarOffsetY = 69;
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radarSourceXY = this.getXYFromLatitudeLongitudeHI(weatherParameters.latitude, weatherParameters.longitude, offsetX, offsetY);
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@ -167,7 +187,7 @@ class Radar extends WeatherDisplay {
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const imgBlob = await utils.image.load(blob);
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// draw the entire image
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if (weatherParameters.state === 'HI') {
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if (weatherParameters.State === 'HI') {
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workingContext.clearRect(0, 0, 571, 600);
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workingContext.drawImage(imgBlob, 0, 0, 571, 600);
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} else {
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@ -186,10 +206,10 @@ class Radar extends WeatherDisplay {
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cropContext.imageSmoothingEnabled = false;
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cropContext.drawImage(workingCanvas, radarSourceX, radarSourceY, (radarOffsetX * 2), (radarOffsetY * 2.33), 0, 0, 640, 367);
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// clean the image
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Radar.removeDopplerRadarImageNoise(cropContext);
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this.removeDopplerRadarImageNoise(cropContext);
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// merge the radar and map
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Radar.mergeDopplerRadarImage(context, cropContext);
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this.mergeDopplerRadarImage(context, cropContext);
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return {
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canvas,
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@ -292,26 +312,30 @@ class Radar extends WeatherDisplay {
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return { x, y };
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}
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static getXYFromLatitudeLongitudeDoppler(Latitude, Longitude, OffsetX, OffsetY) {
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static GetXYFromLatitudeLongitudeDoppler(pos, offsetX, offsetY) {
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let y = 0;
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let x = 0;
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const ImgHeight = 3200;
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const ImgWidth = 5100;
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const imgHeight = 6000;
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const imgWidth = 2800;
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y = (51 - pos.latitude) * 61.4481;
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// center map
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y -= offsetY;
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y = (51.75 - Latitude) * 55.2;
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y -= OffsetY; // Centers map.
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// Do not allow the map to exceed the max/min coordinates.
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if (y > (ImgHeight - (OffsetY * 2))) {
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y = ImgHeight - (OffsetY * 2);
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if (y > (imgHeight - (offsetY * 2))) {
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y = imgHeight - (offsetY * 2);
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} else if (y < 0) {
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y = 0;
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}
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x = ((-130.37 - Longitude) * 41.775) * -1;
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x -= OffsetX; // Centers map.
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x = ((-129.138 - pos.longitude) * 42.1768) * -1;
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// center map
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x -= offsetX;
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// Do not allow the map to exceed the max/min coordinates.
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if (x > (ImgWidth - (OffsetX * 2))) {
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x = ImgWidth - (OffsetX * 2);
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if (x > (imgWidth - (offsetX * 2))) {
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x = imgWidth - (offsetX * 2);
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} else if (x < 0) {
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x = 0;
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}
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@ -234,7 +234,6 @@ const utils = (() => {
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const rewriteUrl = (_url) => {
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let url = _url;
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url = url.replace('https://api.weather.gov/', window.location.href);
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url = url.replace('https://radar.weather.gov/', window.location.href);
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url = url.replace('https://www.cpc.ncep.noaa.gov/', window.location.href);
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return url;
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};
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