mirror of
https://github.com/DOI-DO/j40-cejst-2.git
synced 2025-02-23 01:54:18 -08:00
removing non-openlayers code, setting map up on index page
This commit is contained in:
Nat Hillard
parent
e7d02e9b1a
commit
81e7027a4e
12 changed files with 10520 additions and 6979 deletions
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@ -6,13 +6,7 @@ module.exports = {
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description: `Front end for Justice40 mappping tool project`,
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navigation: [
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{
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items: [{ text: 'Mapbox', link: '/mapbox' }],
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},
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{
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items: [{ text: 'Leaflet', link: '/leaflet' }],
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},
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{
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items: [{ text: 'OpenLayers', link: '/openlayers' }],
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items: [{ text: 'Map', link: '/index' }],
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},
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],
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secondaryLinks: [
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@ -80,7 +74,6 @@ module.exports = {
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name: `markdown-pages`,
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},
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},
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`gatsby-transformer-remark`,
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`gatsby-plugin-react-leaflet`
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`gatsby-transformer-remark`
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],
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};
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17056
justice40-frontend/package-lock.json
generated
17056
justice40-frontend/package-lock.json
generated
File diff suppressed because it is too large
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@ -15,30 +15,22 @@
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"clean": "gatsby clean"
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},
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"dependencies": {
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"@mdx-js/mdx": "^1.6.22",
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"@mdx-js/react": "^1.6.22",
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"clipboardy": "^2.3.0",
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"colormap": "^2.3.2",
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"d3": "^6.7.0",
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"gatsby": "^3.2.1",
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"gatsby-plugin-image": "^1.3.0",
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"gatsby-plugin-manifest": "^3.3.0",
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"gatsby-plugin-mdx": "^2.3.0",
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"gatsby-plugin-react-helmet": "^4.3.0",
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"gatsby-plugin-react-leaflet": "^3.0.0",
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"gatsby-plugin-sass": "^4.3.0",
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"gatsby-plugin-sharp": "^3.3.0",
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"gatsby-plugin-sitemap": "^3.3.0",
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"gatsby-source-filesystem": "^3.3.0",
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"gatsby-transformer-remark": "^4.0.0",
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"gatsby-transformer-sharp": "^3.3.0",
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"leaflet": "^1.7.1",
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"mapbox-gl": "^2.2.0",
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"gatsby": "^3.4.1",
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"gatsby-cli": "^3.4.1",
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"gatsby-plugin-image": "^1.4.0",
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"gatsby-plugin-manifest": "^3.4.0",
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"gatsby-plugin-mdx": "^2.4.0",
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"gatsby-plugin-react-helmet": "^4.4.0",
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"gatsby-plugin-sass": "^4.4.0",
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"gatsby-plugin-sitemap": "^4.0.0",
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"gatsby-transformer-remark": "^4.1.0",
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"gatsby-transformer-sharp": "^3.4.0",
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"ol": "^6.5.0",
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"react": "^17.0.2",
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"react-dom": "^17.0.2",
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"react-helmet": "^6.1.0",
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"react-leaflet": "^3.1.0",
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"react-map-gl": "^6.1.12",
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"sass": "^1.32.8",
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"uswds": "^2.11.1"
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}
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@ -2,97 +2,100 @@
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import React, { useState, useEffect, useRef } from 'react';
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// openlayers
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import Map from 'ol/Map'
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import View from 'ol/View'
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import TileLayer from 'ol/layer/Tile'
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import VectorLayer from 'ol/layer/Vector'
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import VectorSource from 'ol/source/Vector'
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import XYZ from 'ol/source/XYZ'
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import Map from 'ol/Map';
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import View from 'ol/View';
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import TileLayer from 'ol/layer/Tile';
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import XYZ from 'ol/source/XYZ';
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import MVT from 'ol/format/MVT.js';
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import VectorTileLayer from 'ol/layer/VectorTile.js';
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import VectorTileSource from 'ol/source/VectorTile.js';
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import {Fill, Style} from 'ol/style.js';
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import {fromLonLat} from 'ol/proj';
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import colormap from 'colormap';
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function OlMapWrapper(props) {
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import * as styles from "./ol-map-wrapper.module.css";
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const min = 0;
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const max = 1;
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const steps = 10;
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const ramp = colormap({
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colormap: 'freesurface-blue',
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nshades: steps
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});
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function clamp(value, low, high) {
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return Math.max(low, Math.min(value, high));
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}
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function getColor(data) {
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const f = Math.pow(clamp((data - min) / (max - min), 0, 1), 1 / 2);
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const index = Math.round(f * (steps - 1));
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return ramp[index];
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}
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function OlMapWrapper() {
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// set intial state
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const [ map, setMap ] = useState()
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const [ featuresLayer, setFeaturesLayer ] = useState()
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// pull refs
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const mapElement = useRef()
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// create state ref that can be accessed in OpenLayers onclick callback function
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// https://stackoverflow.com/a/60643670
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const mapRef = useRef()
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mapRef.current = map
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// initialize map on first render - logic formerly put into componentDidMount
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useEffect( () => {
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const xyzSource = new VectorTileSource({
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format: new MVT(),
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url: 'http://localhost:7800/public.maryland/{z}/{x}/{y}.mvt'
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});
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// create and add vector source layer
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const initalFeaturesLayer = new VectorLayer({
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source: new VectorSource()
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})
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// create map
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var vtLayer = new VectorTileLayer({
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declutter: false,
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source: xyzSource,
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style: function(feature) {
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const data = feature.get('lowincpct');
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return new Style({
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fill: new Fill({
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color: getColor(data)
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}),
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});
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}
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});
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const initialMap = new Map({
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target: mapElement.current,
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layers: [
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// USGS Topo
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new TileLayer({
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source: new XYZ({
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url: 'https://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer/tile/{z}/{y}/{x}',
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url: 'http://{a-d}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',
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})
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}),
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// Google Maps Terrain
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/* new TileLayer({
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source: new XYZ({
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url: 'http://mt0.google.com/vt/lyrs=p&hl=en&x={x}&y={y}&z={z}',
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})
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}), */
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initalFeaturesLayer
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vtLayer
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],
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view: new View({
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projection: 'EPSG:3857',
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center: [39.0458, -76.6413],
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zoom: 9
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center: fromLonLat([-76.6413, 39.0458]),
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zoom: 7,
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}),
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controls: []
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})
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// save map and vector layer references to state
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setMap(initialMap)
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setFeaturesLayer(initalFeaturesLayer)
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initialMap.once('rendercomplete', ()=>{
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performance.mark("MAP_IDLE");
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console.log("OL IS IDLE");
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});
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vtLayer.once('tileloadend', function () {
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performance.mark("STYLE_LOADED");
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console.log("STYLE LOADED");
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});
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},[])
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// update map if features prop changes - logic formerly put into componentDidUpdate
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useEffect( () => {
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if (props.features.length) { // may be null on first render
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// set features to map
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featuresLayer.setSource(
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new VectorSource({
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features: props.features // make sure features is an array
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})
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)
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// fit map to feature extent (with 100px of padding)
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map.getView().fit(featuresLayer.getSource().getExtent(), {
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padding: [100,100,100,100]
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})
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}
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},[props.features])
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// render component
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return (
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<div className="map-wrapper">
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<div ref={mapElement} id="ol-map" className="map-container"></div>
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</div>
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<div ref={mapElement} className={styles.map}></div>
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)
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}
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export default OlMapWrapper
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@ -0,0 +1,3 @@
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.map {
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height: 500px;
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}
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@ -1,13 +1,20 @@
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import React from 'react';
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import Layout from '../components/layout';
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import SEO from '../components/seo';
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import OlMapWrapper from '../components/ol-map-wrapper';
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import * as styles from "./index.module.css";
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const IndexPage = () => {
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return (
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<Layout>
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<SEO title="Justice 40 Home" />
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<div>
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Map goes here
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<div className={`grid-container .height-auto`}>
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<div className="grid-row .height-auto">
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<div className="grid-col-8">
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<OlMapWrapper />
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</div>
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<div className="grid-col-4"></div>
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</div>
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</div>
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</Layout>
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)
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3
justice40-frontend/src/pages/index.module.css
Normal file
3
justice40-frontend/src/pages/index.module.css
Normal file
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@ -0,0 +1,3 @@
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.gridContainer {
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height: 500px;
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}
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@ -1,45 +0,0 @@
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import * as React from "react";
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import { MapContainer, TileLayer, Marker, Popup, GeoJSON, FeatureGroup } from 'react-leaflet'
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import geojson from "../data/maryland.json";
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import Layout from '../components/layout';
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const LeafletMap = () => {
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return (
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<MapContainer
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center={[39.0458, -76.6413]}
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zoom={8}
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style={{ height: "50vh" }}
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>
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<TileLayer
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attribution='© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
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url="https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png"
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/>
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<FeatureGroup
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pathOptions={{ weight:0.1,
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color: 'black',
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fillColor: 'grey',
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"fill-opacity": 0.5 }}
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>
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<GeoJSON data={geojson}></GeoJSON>
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</FeatureGroup>
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<Marker position={[51.505, -0.09]}>
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<Popup>
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A pretty CSS3 popup. <br /> Easily customizable.
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</Popup>
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</Marker>
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</MapContainer>
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);
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};
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const LeafletPage = () => {
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return (
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<Layout>
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<LeafletMap />
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</Layout>
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);
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};
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export default LeafletPage
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@ -1,119 +0,0 @@
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import React, { useRef, useEffect, useCallback, useState } from 'react';
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import Layout from '../components/layout';
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import ReactMapGL, {Layer, Source} from 'react-map-gl';
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import * as mapboxStyles from "./mapbox.module.css";
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const xyzSource = {
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name: "public.maryland",
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scheme: 'xyz',
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tilejson: "2.0.0",
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minzoom: 0,
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maxzoom: 22,
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prefetchable: true,
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tiles: ["http://localhost:7800/public.maryland/{z}/{x}/{y}.mvt"],
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type: 'vector'
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};
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const layerStyle = {
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id: 'public.maryland.MultiPolygon.fill',
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type: 'fill',
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source: "public.maryland",
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"source-layer": "public.maryland",
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paint: {
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"fill-color": [
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"interpolate",
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["linear"],
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["get", "lowincpct"],
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0,
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"white",
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1,
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"rgb(0,94,162)"
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],
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"fill-opacity": 0.5
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}
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};
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const mapStyle = {
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'version': 8,
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'cursor': 'pointer',
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'sources': {
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'carto-light': {
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'type': 'raster',
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'tiles': [
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"https://a.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
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"https://b.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
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"https://c.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png",
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"https://d.basemaps.cartocdn.com/light_all/{z}/{x}/{y}@2x.png"
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]
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}
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},
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'layers': [{
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'id': 'carto-light-layer',
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'source': 'carto-light',
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'type': 'raster',
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'minzoom': 0,
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'maxzoom': 22
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}]
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};
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const MapboxMap = () => {
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const [viewport, setViewport] = useState({
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latitude: 39.289444,
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longitude: -76.615278,
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zoom: 8
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});
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const [hoverInfo, setHoverInfo] = useState(null);
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const onHover = useCallback(event => {
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const {
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features,
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srcEvent: {offsetX, offsetY}
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} = event;
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const hoveredFeature = features && features[0];
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setHoverInfo(
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hoveredFeature
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? {
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feature: hoveredFeature,
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x: offsetX,
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y: offsetY
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}
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: null
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);
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}, []);
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return (
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<ReactMapGL
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{...viewport}
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mapboxApiAccessToken={process.env.GATSBY_MAPBOX_ACCESS_TOKEN}
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width="100%"
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height="100%"
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onViewportChange={(viewport) => setViewport(viewport)}
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mapStyle={mapStyle}
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onHover={onHover}
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>
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<Source type="vector" {...xyzSource}>
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<Layer {...layerStyle} />
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</Source>
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{hoverInfo && (
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<div className={mapboxStyles.tooltip} style={{left: hoverInfo.x, top: hoverInfo.y}}>
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<div>ID: {hoverInfo.feature.properties.id}</div>
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<div>Percent Low Income: {parseFloat(hoverInfo.feature.properties.lowincpct * 100).toFixed(2)+"%"}</div>
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</div>
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)}
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</ReactMapGL>
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);
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}
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const MapboxPage = () => {
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return (
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<Layout>
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<div className={mapboxStyles.mapContainer}>
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<MapboxMap />
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</div>
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</Layout>
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);
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};
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export default MapboxPage
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@ -1,19 +0,0 @@
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.mapContainer {
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height: 50vh;
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width: 100%;
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display: flex;
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flex-direction: column;
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align-content: center;
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}
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.tooltip {
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position: absolute;
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margin: 8px;
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padding: 4px;
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background: rgba(0, 0, 0, 0.8);
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color: #fff;
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max-width: 300px;
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font-size: 10px;
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z-index: 9;
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pointer-events: none;
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}
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@ -1,39 +0,0 @@
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import React, { useState, useEffect } from 'react';
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import Layout from '../components/layout';
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import SEO from '../components/seo';
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import GeoJSON from 'ol/format/GeoJSON'
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import OlMapWrapper from '../components/ol-map-wrapper'
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import geojson from "../data/maryland.json";
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const OpenLayersPage = () => {
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// set intial state
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const [ features, setFeatures ] = useState([])
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// initialization - retrieve GeoJSON features
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useEffect( () => {
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// parse fetched geojson into OpenLayers features
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// use options to convert feature from EPSG:4326 to EPSG:3857
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const wktOptions = {
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dataProjection: 'EPSG:4326',
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featureProjection: 'EPSG:3857'
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}
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const parsedFeatures = new GeoJSON().readFeatures(geojson, wktOptions)
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setFeatures(parsedFeatures)
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},[])
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return (
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<>
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<Layout>
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||||
<SEO title="OpenLayers" />
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<h1 className="margin-left-9">OpenLayers</h1>
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<OlMapWrapper features={features} />
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</Layout>
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||||
</>
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||||
)
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}
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export default OpenLayersPage
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|
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@ -7,15 +7,3 @@ $theme-font-path: "../../node_modules/uswds/src/fonts";
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@import "../../node_modules/uswds/";
|
||||
@import "../../node_modules/ol/ol.css";
|
||||
@import "../../node_modules/mapbox-gl/src/css/mapbox-gl.css";
|
||||
|
||||
#map {
|
||||
height: 180px;
|
||||
}
|
||||
|
||||
#ol-map {
|
||||
min-width: 600px;
|
||||
min-height: 50vh;
|
||||
height: 500px;
|
||||
width: 100%;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue