From e2466a55cd99fc082a0fceb035eb7ab13c95d7e3 Mon Sep 17 00:00:00 2001 From: ianalexmac Date: Wed, 15 May 2024 08:18:30 -0800 Subject: [PATCH 1/2] contour map prep work --- code/contourmap.js | 82 ++ code/heatmap.js | 4 - code/value_interpolation.js | 31 + index.html | 2 +- package-lock.json | 2527 +++++++++++++++++++++++++++++++++++ package.json | 2 + server.js | 7 +- 7 files changed, 2647 insertions(+), 8 deletions(-) create mode 100644 code/contourmap.js create mode 100644 code/value_interpolation.js diff --git a/code/contourmap.js b/code/contourmap.js new file mode 100644 index 0000000..cda8042 --- /dev/null +++ b/code/contourmap.js @@ -0,0 +1,82 @@ +document.addEventListener('DOMContentLoaded', (event) => { +mapboxgl.accessToken = 'MAPBOX_API'; + +var map = new mapboxgl.Map({ + container: 'map', // container id + style: 'mapbox://styles/mapbox/streets-v11', // stylesheet location + center: [-149.75, 61.22], // starting position [lng, lat] + zoom: 9, // starting zoom + maxZoom: 12 +}); + +const years = [ + '2017', + '2018', + '2019', + '2020', + '2021', + '2022', + '2023' +]; + +function filterBy(year) { + // Set a filter on the heatmap layer to only show data for the selected year + map.setFilter('contour-layer', ['==', ['get', 'year'], year]); + // Update the year display + document.getElementById('year-display').textContent = year; +} + +map.on('load', function () { + fetch('data/permits_lat_long.geojson') + .then(response => { + return response.json(); + }) + .then(data => { + jsonCallback(null, data); + }) + .catch(error => console.error('Error:', error)); +}); + +function jsonCallback(err, data) { + if (err) { + throw err; + } + + data.features = data.features.map((d) => { + d.properties.year = Number(d.properties.properties.year); + return d; + }); + + map.addSource('contour-source', { + 'type': 'geojson', + 'data': data + }); + + map.addLayer({ + 'id': 'contour-layer', + 'type': 'contour', + 'source': 'contour-source', + 'paint': { + 'contour-color': [ + 'step', + ['get', 'Valuation'], + '#f1f075', + 20, + '#eb4d5c' + ] + } + }); + + filterBy(2017); +} + +document.getElementById('year-slider').addEventListener('input', function(e) { + const year = parseInt(e.target.value, 10); + filterBy(year); +}); + +}); + + + + diff --git a/code/heatmap.js b/code/heatmap.js index dccc7c9..d77066a 100644 --- a/code/heatmap.js +++ b/code/heatmap.js @@ -29,11 +29,9 @@ function filterBy(year) { map.on('load', function () { fetch('data/permits_lat_long.geojson') .then(response => { - console.log('Response:', response); return response.json(); }) .then(data => { - console.log('Data:', data); jsonCallback(null, data); }) .catch(error => console.error('Error:', error)); @@ -88,9 +86,7 @@ function jsonCallback(err, data) { } document.getElementById('year-slider').addEventListener('input', function(e) { - console.log('Slider input event:', e); // Log the event const year = parseInt(e.target.value, 10); - console.log('Slider year:', year); // Log the year filterBy(year); }); diff --git a/code/value_interpolation.js b/code/value_interpolation.js new file mode 100644 index 0000000..10e71aa --- /dev/null +++ b/code/value_interpolation.js @@ -0,0 +1,31 @@ +const turf = require('@turf/turf'); +const fs = require('fs'); + +let rawdata = fs.readFileSync('data/permits_lat_long.geojson'); +let geojsonData = JSON.parse(rawdata); + +let points = geojsonData.features.filter(feature => { + return ['Point', 'LineString', 'Polygon', 'MultiPoint', 'MultiLineString', 'MultiPolygon', 'GeometryCollection'].includes(feature.geometry.type); + }); +// Define the grid parameters +let cellSize = 0.1; +let gridUnits = 'degrees'; + +// Create a grid of points +let grid = turf.pointGrid(turf.bbox(points), cellSize, {units: gridUnits}); + +// Perform IDW interpolation +let interpolated = turf.interpolate(points, grid, {gridType: 'point', property: 'Valuation', units: gridUnits}); + +// Convert the GeoJSON object to a string +let data = JSON.stringify(interpolated); + +// Write the string to a file +fs.writeFile('data/value_interpolated.geojson', data, 'utf8', function(err) { + if (err) { + console.log('An error occurred while writing JSON Object to File.'); + return console.log(err); + } + + console.log('JSON file has been saved.'); +}); \ No newline at end of file diff --git a/index.html b/index.html index a434462..0915f46 100644 --- a/index.html +++ b/index.html @@ -19,6 +19,6 @@

Anchorage Solar Installations

- + \ No newline at end of file diff --git a/package-lock.json b/package-lock.json index a41a5fc..c069f6d 100644 --- a/package-lock.json +++ b/package-lock.json @@ -5,6 +5,7 @@ "packages": { "": { "dependencies": { + "@turf/turf": "^6.5.0", "axios": "^1.6.8", "csv-parser": "^3.0.0", "dotenv": "^16.4.5", @@ -15,6 +16,7 @@ "mapbox-gl": "^3.3.0", "papaparse": "^5.4.1", "path": "^0.12.7", + "turf": "^3.0.14", "util": "^0.12.5" } }, @@ -79,6 +81,1575 @@ "resolved": "https://registry.npmjs.org/@streamparser/json/-/json-0.0.6.tgz", "integrity": "sha512-vL9EVn/v+OhZ+Wcs6O4iKE9EUpwHUqHmCtNUMWjqp+6dr85+XPOSGTEsqYNq1Vn04uk9SWlOVmx9J48ggJVT2Q==" }, + "node_modules/@turf/along": { + "version": "6.5.0", + "resolved": "https://registry.npmjs.org/@turf/along/-/along-6.5.0.tgz", + "integrity": "sha512-LLyWQ0AARqJCmMcIEAXF4GEu8usmd4Kbz3qk1Oy5HoRNpZX47+i5exQtmIWKdqJ1MMhW26fCTXgpsEs5zgJ5gw==", + "dependencies": { + "@turf/bearing": "^6.5.0", + "@turf/destination": "^6.5.0", + "@turf/distance": "^6.5.0", + 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"dependencies": { + "turf-helpers": "^3.0.12", + "turf-inside": "^3.0.12" + } + }, "node_modules/tweakpane": { "version": "4.0.3", "resolved": "https://registry.npmjs.org/tweakpane/-/tweakpane-4.0.3.tgz", @@ -1243,6 +3750,16 @@ "url": "https://github.com/sponsors/cocopon" } }, + "node_modules/two-product": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/two-product/-/two-product-1.0.2.tgz", + "integrity": "sha512-vOyrqmeYvzjToVM08iU52OFocWT6eB/I5LUWYnxeAPGXAhAxXYU/Yr/R2uY5/5n4bvJQL9AQulIuxpIsMoT8XQ==" + }, + "node_modules/two-sum": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/two-sum/-/two-sum-1.0.0.tgz", + "integrity": "sha512-phP48e8AawgsNUjEY2WvoIWqdie8PoiDZGxTDv70LDr01uX5wLEQbOgSP7Z/B6+SW5oLtbe8qaYX2fKJs3CGTw==" + }, "node_modules/type-is": { "version": "1.6.18", "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz", @@ -1255,6 +3772,11 @@ "node": ">= 0.6" } }, + "node_modules/union-find": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/union-find/-/union-find-1.0.2.tgz", + "integrity": "sha512-wFA9bMD/40k7ZcpKVXfu6X1qD3ri5ryO8HUsuA1RnxPCQl66Mu6DgkxyR+XNnd+osD0aLENixcJVFj+uf+O4gw==" + }, "node_modules/unpipe": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", @@ -1301,6 +3823,11 @@ "pbf": "^3.2.1" } }, + "node_modules/wgs84": { + "version": "0.0.0", + "resolved": "https://registry.npmjs.org/wgs84/-/wgs84-0.0.0.tgz", + "integrity": "sha512-ANHlY4Rb5kHw40D0NJ6moaVfOCMrp9Gpd1R/AIQYg2ko4/jzcJ+TVXYYF6kXJqQwITvEZP4yEthjM7U6rYlljQ==" + }, "node_modules/which-typed-array": { "version": "1.1.15", "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.15.tgz", diff --git a/package.json b/package.json index a5bcae1..d67b802 100644 --- a/package.json +++ b/package.json @@ -1,5 +1,6 @@ { "dependencies": { + "@turf/turf": "^6.5.0", "axios": "^1.6.8", "csv-parser": "^3.0.0", "dotenv": "^16.4.5", @@ -10,6 +11,7 @@ "mapbox-gl": "^3.3.0", "papaparse": "^5.4.1", "path": "^0.12.7", + "turf": "^3.0.14", "util": "^0.12.5" } } diff --git a/server.js b/server.js index 8ada14c..9bc0dee 100644 --- a/server.js +++ b/server.js @@ -5,11 +5,12 @@ const fs = require('fs'); const app = express(); const port = 3000; -app.get('/code/heatmap.js', (req, res) => { - fs.readFile(path.join(__dirname, '/code/heatmap.js'), 'utf8', (err, data) => { +app.get('/code/:filename', (req, res) => { + const filename = req.params.filename; + fs.readFile(path.join(__dirname, '/code/', filename), 'utf8', (err, data) => { if (err) { console.error(err); - return res.status(500).send('An error occurred while reading heatmap.js'); + return res.status(500).send(`An error occurred while reading ${filename}`); } const replacedData = data.replace('MAPBOX_API', process.env.MAPBOX_API); res.setHeader('Content-Type', 'application/javascript'); From b4f70badbe283e83538a21cab18bd1634301cb55 Mon Sep 17 00:00:00 2001 From: ianalexmac Date: Wed, 15 May 2024 09:15:27 -0800 Subject: [PATCH 2/2] basic looped animation --- code/heatmap.js | 66 +++++++++++++++++++++++++++++++++---------------- index.html | 2 +- 2 files changed, 46 insertions(+), 22 deletions(-) diff --git a/code/heatmap.js b/code/heatmap.js index d77066a..5f584c4 100644 --- a/code/heatmap.js +++ b/code/heatmap.js @@ -9,19 +9,47 @@ var map = new mapboxgl.Map({ maxZoom: 12 }); -const years = [ - '2017', - '2018', - '2019', - '2020', - '2021', - '2022', - '2023' -]; +// Define the years +let years = [2017, 2018, 2019, 2020, 2021, 2022, 2023]; + +// Start with the first year +let currentYearIndex = 0; + +// Get the slider element +let slider = document.getElementById('year-slider'); + +// Set the initial slider value +slider.value = years[currentYearIndex]; + +// Create a loop that updates the slider value +let intervalId = setInterval(function() { + // Move to the next year + currentYearIndex++; + + // If we've gone through all the years, loop back to the first year + if (currentYearIndex >= years.length) { + currentYearIndex = 0; + } + + // Update the slider value + slider.value = years[currentYearIndex]; + filterBy(years[currentYearIndex]); +}, 1000); // Change the slider value every 1000 milliseconds (1 second) + +// Stop the loop when the slider is clicked +slider.addEventListener('mousedown', function() { + clearInterval(intervalId); +}); + +// Update the heatmap when the slider value changes +slider.addEventListener('input', function(e) { + const year = parseInt(e.target.value, 10); + filterBy(year); +}); function filterBy(year) { // Set a filter on the heatmap layer to only show data for the selected year - map.setFilter('heatmap-layer', ['==', ['get', 'year'], year]); + map.setFilter('heatmap-layer', ['<=', ['get', 'year'], year]); // Update the year display document.getElementById('year-display').textContent = year; } @@ -59,26 +87,22 @@ function jsonCallback(err, data) { 'paint': { // Add custom heatmap layer properties here 'heatmap-weight': ['interpolate', ['linear'], ['get', 'Valuation'], 0, 0, 6, 1], - 'heatmap-intensity': ['interpolate', ['linear'], ['zoom'], 0, 1, 12, 3], + 'heatmap-intensity': ['interpolate', ['linear'], ['zoom'], 0, 1, 5, 1], 'heatmap-color': [ 'interpolate', ['linear'], ['heatmap-density'], 0, 'rgba(33,102,172,0)', - 0.1, - 'rgb(103,169,207)', - 0.2, - 'rgb(209,229,240)', 0.5, - 'rgb(253,219,199)', - 0.8, - 'rgb(239,138,98)', + '#D889E8', + 0.7, + '#996DE8', 1, - 'rgb(178,24,43)' + '#434FE6' ], - 'heatmap-radius': ['interpolate', ['linear'], ['zoom'], 0, 5, 12, 100], - 'heatmap-opacity': ['interpolate', ['linear'], ['zoom'], 9, 1, 12, 0] + 'heatmap-radius': ['interpolate', ['linear'], ['zoom'], 0, 5, 12, 20], + 'heatmap-opacity': ['interpolate', ['linear'], ['zoom'], 9, 1, 12, 1] } }); diff --git a/index.html b/index.html index 0915f46..a434462 100644 --- a/index.html +++ b/index.html @@ -19,6 +19,6 @@

Anchorage Solar Installations

- + \ No newline at end of file