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Indigenous_plants_map.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Squamish Plants</title>
<script src='https://api.mapbox.com/mapbox-gl-js/v2.9.1/mapbox-gl.js'></script>
<link href='https://api.mapbox.com/mapbox-gl-js/v2.9.1/mapbox-gl.css' rel='stylesheet' />
<!-- Turf code. -->
<script src="https://npmcdn.com/@turf/turf/turf.min.js"></script>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
#map {
position: absolute;
width: 100%;
height: 100%;
}
.boxdraw {
background: rgba(56, 135, 190, 0.1);
border: 2px solid #3887be;
position: absolute;
top: 0;
left: 0;
width: 0;
height: 0;
}
.popup_title {
position: absolute;
top: 40%;
bottom: 60%;
left: 50%;
width: 70%;
/* 1/3 of the viewport width */
height: 70%;
/* 1/3 of the viewport height */
transform: translate(-50%, -50%);
padding: 20px;
z-index: 1000;
}
.popup_title img {
width: 100%;
/* Ensure image fills the container width */
height: auto;
/* Maintain aspect ratio */
display: block;
/* Prevents extra space below image */
}
.popup_title .close {
position: absolute;
top: 5px;
right: 10px;
font-size: 20px;
cursor: pointer;
}
.button {
position: absolute;
border: none;
color: white;
/* White text */
padding: 15px 32px;
/* Padding */
text-align: center;
/* Center text */
text-decoration: none;
display: inline-block;
font-size: 16px;
margin: 4px 2px;
transition-duration: 0.4s;
cursor: pointer;
/* Cursor on hover */
}
.button:hover {
background-color: #c8a4d4;
/* Darker green background on hover */
color: white;
/* White text on hover */
}
.mapboxgl-popup {
max-width: 400px;
font:
12px/20px 'Helvetica Neue',
Arial,
Helvetica,
sans-serif;
}
.map-overlay {
font:
12px/20px 'Helvetica Neue',
Arial,
Helvetica,
sans-serif;
background-color: #fff;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
border-radius: 3px;
position: absolute;
width: 25%;
top: 10px;
left: 80%;
padding: 10px;
display: none;
}
</style>
</head>
<body>
<div id='map'></div>
<div id="popup_title" class="popup_title">
<span class="close" onclick="togglePopup()">×</span>
<img id="popup_titleImg" src="webmap-indigenous-plants-01.png" alt="Popup Image">
</div>
<button class="button" onclick="togglePopup()">Toggle Image</button>
<div id="map-overlay" class="map-overlay"></div>
<script>
// Function to toggle the visibility of the popup (intro slide)
function togglePopup() {
var popup_title = document.getElementById('popup_title');
if (popup_title.style.display === 'none' || popup_title.style.display === '') {
popup_title.style.display = 'block';
} else {
popup_title.style.display = 'none';
}
}
////// map /////////////////////////////////////////////////////////////
mapboxgl.accessToken = 'pk.eyJ1Ijoibm9ydG9uMjciLCJhIjoiY2xoam9hNHI5MGpuMjNscWtlcTF2dTN3dyJ9.xx0qCx-woV7mYFkrMNQmiA'; //change accesss token to Nch'kay lab
const map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/norton27/clt6q7cpd00g601o8dhbr3nvw', //insert style here, here are some pre-set options https://docs.mapbox.com/api/maps/styles/
center: [-123.16761577284362, 49.68914344599266], //insert coordinates here
zoom: 9,
pitch: 60,
bearing: 30
});
map.addControl(new mapboxgl.NavigationControl());
// Add a scale control to the map
map.addControl(new mapboxgl.ScaleControl());
// adding 3d terrain
map.on('style.load', () => {
map.addSource('mapbox-dem', {
'type': 'raster-dem',
'url': 'mapbox://mapbox.mapbox-terrain-dem-v1',
'tileSize': 512,
'maxzoom': 14
});
// add the DEM source as a terrain layer with exaggerated height
map.setTerrain({ 'source': 'mapbox-dem', 'exaggeration': 1.5 });
});
//////////////////////////// Bounding Box Query ///////////////////////////////////////
// Disable default box zooming.
map.boxZoom.disable();
// Create a popup, but don't add it to the map yet.
map.on('load', () => {
const canvas = map.getCanvasContainer();
let start;
let current;
let box;
map.addSource('plants_data', {
type: 'geojson',
data: 'https://raw.githubusercontent.com/ITEX-sites/Squamish_plants_map/main/plant_species_cleaned.geojson' // Replace with the URL of your GeoJSON data
});
map.addLayer({
id: 'highlighted-plants',
type: 'circle',
source: 'plants_data',
paint: {
'circle-color': '#AFFF00',
'circle-radius': 5,
'circle-stroke-width': .3,
'circle-stroke-color': '#fff',
'circle-opacity': 1
},
//(this layer doesn't show on load)
'filter': ['in', 'feature_collection_name', '']
});
map.addLayer({
id: 'squam-plants',
type: 'circle',
source: 'plants_data',
paint: {
'circle-color': '#11b4da',
'circle-radius': 6,
'circle-opacity': 0 //invisible
}
},
);
/// this is a blank layer to queery data
canvas.addEventListener('mousedown', mouseDown, true);
// Return the xy coordinates of the mouse position
function mousePos(e) {
const rect = canvas.getBoundingClientRect();
return new mapboxgl.Point(
e.clientX - rect.left - canvas.clientLeft,
e.clientY - rect.top - canvas.clientTop
);
}
function mouseDown(e) {
// Continue the rest of the function if the shiftkey is pressed.
if (!(e.shiftKey && e.button === 0)) return;
// Disable default drag zooming when the shift key is held down.
map.dragPan.disable();
// Call functions for the following events
document.addEventListener('mousemove', onMouseMove);
document.addEventListener('mouseup', onMouseUp);
document.addEventListener('keydown', onKeyDown);
// Capture the first xy coordinates
start = mousePos(e);
}
function onMouseMove(e) {
// Capture the ongoing xy coordinates
current = mousePos(e);
// Append the box element if it doesnt exist
if (!box) {
box = document.createElement('div');
box.classList.add('boxdraw');
canvas.appendChild(box);
}
const minX = Math.min(start.x, current.x),
maxX = Math.max(start.x, current.x),
minY = Math.min(start.y, current.y),
maxY = Math.max(start.y, current.y);
// Adjust width and xy position of the box element ongoing
const pos = `translate(${minX}px, ${minY}px)`;
box.style.transform = pos;
box.style.width = maxX - minX + 'px';
box.style.height = maxY - minY + 'px';
}
function onMouseUp(e) {
// Capture xy coordinates
finish([start, mousePos(e)]);
}
function onKeyDown(e) {
// If the ESC key is pressed
if (e.keyCode === 27) finish();
}
function finish(bbox) {
// Remove these events now that finish has been called.
document.removeEventListener('mousemove', onMouseMove);
document.removeEventListener('keydown', onKeyDown);
document.removeEventListener('mouseup', onMouseUp);
if (box) {
box.parentNode.removeChild(box);
box = null;
}
if (bbox) {
const features = map.queryRenderedFeatures(bbox, {
layers: ['squam-plants']
});
if (features.length >= 10000) {
return window.alert('Select a smaller number of features');
}
// set filter for highlighted plants layer, uses ID property to ensure no duplicates
const coords = features.map((feature) => feature.properties.ID);
map.setFilter('highlighted-plants', ['in', 'ID', ...coords]);
}
map.dragPan.enable();
}
//changes mouse to pointer
map.on('mousemove', (e) => {
const features = map.queryRenderedFeatures(e.point, {
layers: ['highlighted-plants']
});
});
//popup ... might delete or change info to a picture of the plants from iNaturalist later
map.on('click', 'squam-plants', (e) => {
const coordinates = e.features[0].geometry.coordinates.slice();
const description = e.features[0].properties.feature_collection_name;
while (Math.abs(e.lngLat.lng - coordinates[0]) > 180) {
coordinates[0] += e.lngLat.lng > coordinates[0] ? 360 : -360;
}
new mapboxgl.Popup()
.setLngLat(coordinates)
.setText(description)
.addTo(map);
});
});
////////////////search similar features through mouse-over/////////////////////////////////////////////////////////////////////////
map.on('load', () => {
const overlay = document.getElementById('map-overlay');
// Create a popup, but don't add it to the map yet.
const popup3 = new mapboxgl.Popup({
closeButton: false
});
// function makes sure feature is not a duplicate caused by loading multiple map tiles at once
function getUniqueFeatures(features, comparatorProperty) {
const uniqueIds = new Set();
const uniqueFeatures = [];
for (const feature of features) {
const id = feature.properties[comparatorProperty];
if (!uniqueIds.has(id)) {
uniqueIds.add(id);
uniqueFeatures.push(feature);
}
}
return uniqueFeatures;
}
map.on('mousemove', 'squam-plants', (e) => {
// feature = plant that mouse is hovering over
const feature = e.features[0];
const current_species = feature.properties.feature_collection_name
const relatedplants = map.querySourceFeatures('highlighted-plants', { //'squam-plants'
sourceLayer: 'original',
filter: ['in', 'feature_collection_name', current_species]
});
const uniqueplants = getUniqueFeatures(relatedplants, 'ID');
const title = document.createElement('strong');
title.textContent =
feature.properties.feature_collection_name
const ID = document.createElement('div');
ID.textContent =
'Total plants:' + " " +
feature.properties.species_count
overlay.innerHTML = '';
overlay.style.display = 'block';
overlay.appendChild(title);
overlay.appendChild(ID);
map.setFilter('highlighted-plants', [
'in',
'feature_collection_name',
feature.properties.feature_collection_name
]);
});
map.on('mouseleave', 'squam-plants', () => {
map.getCanvas().style.cursor = '';
popup3.remove();
map.setFilter('highlighted-plants', ['in', 'feature_collection_name', '']);
overlay.style.display = 'none';
});
});
</script>
</body>
</html>