Files
iD/modules/services/vegbilder.js

609 lines
18 KiB
JavaScript

import { json as d3_json, xml as d3_xml} from 'd3-fetch';
import { dispatch as d3_dispatch } from 'd3-dispatch';
import { pairs as d3_pairs } from 'd3-array';
import RBush from 'rbush';
import { iso1A2Codes } from '@rapideditor/country-coder';
import { t, localizer } from '../core/localizer';
import { utilQsString, utilTiler, utilRebind, utilArrayUnion, utilStringQs} from '../util';
import {geoExtent, geoScaleToZoom, geoVecAngle, geoVecEqual} from '../geo';
import pannellumPhotoFrame from './pannellum_photo';
import planePhotoFrame from './plane_photo';
import { services } from './';
const owsEndpoint = 'https://www.vegvesen.no/kart/ogc/vegbilder_1_0/ows?';
const tileZoom = 14;
const tiler = utilTiler().zoomExtent([tileZoom, tileZoom]).skipNullIsland(true);
const dispatch = d3_dispatch('loadedImages', 'viewerChanged');
const directionEnum = Object.freeze({
forward: Symbol(0),
backward: Symbol(1)
});
let _planeFrame;
let _pannellumFrame;
let _currentFrame;
let _loadViewerPromise;
let _vegbilderCache;
async function fetchAvailableLayers() {
const params = {
service: 'WFS',
request: 'GetCapabilities',
version: '2.0.0',
};
const urlForRequest = owsEndpoint + utilQsString(params);
const response = await d3_xml(urlForRequest);
const regexMatcher = /^vegbilder_1_0:Vegbilder(?<image_type>_360)?_(?<year>\d{4})$/;
const availableLayers = [];
for (const node of response.querySelectorAll('FeatureType > Name')) {
const match = node.textContent?.match(regexMatcher);
if (match) {
availableLayers.push({
name: match[0],
is_sphere: !!match.groups?.image_type,
year: parseInt(match.groups?.year, 10)
});
}
}
return availableLayers;
}
function filterAvailableLayers(photoContex) {
const fromDateString = photoContex.fromDate();
const toDateString = photoContex.toDate();
const fromYear = fromDateString ? new Date(fromDateString).getFullYear() : 2016;
const toYear = toDateString ? new Date(toDateString).getFullYear() : null;
const showsFlat = photoContex.showsFlat();
const showsPano = photoContex.showsPanoramic();
return Array.from(_vegbilderCache.wfslayers.values()).filter(({layerInfo}) => (
(layerInfo.year >= fromYear) &&
(!toYear || (layerInfo.year <= toYear)) &&
((!layerInfo.is_sphere && showsFlat) || (layerInfo.is_sphere && showsPano))
));
}
function loadWFSLayers(projection, margin, wfslayers) {
const tiles = tiler.margin(margin).getTiles(projection);
for (const cache of wfslayers) {
loadWFSLayer(projection, cache, tiles);
}
}
function loadWFSLayer(projection, cache, tiles) {
// abort inflight requests that are no longer needed
for (const [key, controller] of cache.inflight.entries()) {
const wanted = tiles.some(tile => key === tile.id);
if (!wanted) {
controller.abort();
cache.inflight.delete(key);
}
}
Promise.all(tiles.map(
tile => loadTile(cache, cache.layerInfo.name, tile)
)).then(() => orderSequences(projection, cache));
}
/**
* loadNextTilePage() load data for the next tile page in line.
*/
async function loadTile(cache, typename, tile) {
const bbox = tile.extent.bbox();
const tileid = tile.id;
if ((cache.loaded.get(tileid) === true) || cache.inflight.has(tileid)) return;
const params = {
service: 'WFS',
request: 'GetFeature',
version: '2.0.0',
typenames: typename,
bbox: [bbox.minY, bbox.minX, bbox.maxY, bbox.maxX].join(','),
outputFormat: 'json'
};
const controller = new AbortController();
cache.inflight.set(tileid, controller);
const options = {
method: 'GET',
signal: controller.signal,
};
const urlForRequest = owsEndpoint + utilQsString(params);
let featureCollection;
try {
featureCollection = await d3_json(urlForRequest, options);
} catch {
cache.loaded.set(tileid, false);
return;
} finally {
cache.inflight.delete(tileid);
}
cache.loaded.set(tileid, true);
if (featureCollection.features.length === 0) { return; }
const features = featureCollection.features.map(feature => {
const loc = feature.geometry.coordinates;
const key = feature.id;
const properties = feature.properties;
const {
RETNING: ca,
TIDSPUNKT: captured_at,
URL: image_path,
URLPREVIEW : preview_path,
BILDETYPE: image_type,
METER: metering,
FELTKODE: lane_code
} = properties;
const lane_number = parseInt(lane_code.match(/^[0-9]+/)[0], 10);
const direction = lane_number % 2 === 0 ? directionEnum.backward : directionEnum.forward;
const data = {
service: 'photo',
loc,
key,
ca,
image_path,
preview_path,
road_reference: roadReference(properties),
metering,
lane_code,
direction,
captured_at: new Date(captured_at),
is_sphere: image_type === '360'
};
cache.points.set(key, data);
return {
minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1], data
};
});
_vegbilderCache.rtree.load(features);
dispatch.call('loadedImages');
}
function orderSequences(projection, cache) {
const {points} = cache;
const grouped = Array.from(points.values()).reduce((grouped, image) => {
const key = image.road_reference;
if (grouped.has(key)) {
grouped.get(key).push(image);
} else {
grouped.set(key, [image]);
}
return grouped;
}, new Map());
const imageSequences = Array.from(grouped.values()).reduce((imageSequences, imageGroup) => {
imageGroup.sort((a, b) => {
if (a.captured_at.valueOf() > b.captured_at.valueOf()) {
return 1;
} else if (a.captured_at.valueOf() < b.captured_at.valueOf()) {
return -1;
} else {
const {direction} = a;
if (direction === directionEnum.forward) {
return a.metering - b.metering;
} else {
return b.metering - a.metering;
}
}
});
let imageSequence = [imageGroup[0]];
let angle = null;
for (const [lastImage, image] of d3_pairs(imageGroup)) {
if (lastImage.ca === null) {
const b = projection(lastImage.loc);
const a = projection(image.loc);
if (!geoVecEqual(a, b)) {
angle = geoVecAngle(a, b);
angle *= (180 / Math.PI);
angle -= 90;
angle = angle >= 0 ? angle : angle + 360;
}
lastImage.ca = angle;
}
if (
image.direction === lastImage.direction &&
image.captured_at.valueOf() - lastImage.captured_at.valueOf() <= 20000
) {
imageSequence.push(image);
} else {
imageSequences.push(imageSequence);
imageSequence = [image];
}
}
imageSequences.push(imageSequence);
return imageSequences;
}, []);
cache.sequences = imageSequences.map(images => {
const sequence = {
images,
key: images[0].key,
geometry : {
type : 'LineString',
coordinates : images.map(image => image.loc)
}
};
for (const image of images) {
_vegbilderCache.image2sequence_map.set(image.key, sequence);
}
return sequence;
});
}
function roadReference(properties) {
const {
FYLKENUMMER: county_number,
VEGKATEGORI: road_class,
VEGSTATUS: road_status,
VEGNUMMER: road_number,
STREKNING: section,
DELSTREKNING: subsection,
HP: parcel,
KRYSSDEL: junction_part,
SIDEANLEGGSDEL: services_part,
ANKERPUNKT: anker_point,
AAR: year,
} = properties;
let reference;
if (year >= 2020) {
reference = `${road_class}${road_status}${road_number} S${section}D${subsection}`;
if (junction_part) {
reference = `${reference} M${anker_point} KD${junction_part}`;
} else if (services_part) {
reference = `${reference} M${anker_point} SD${services_part}`;
}
} else {
reference = `${county_number}${road_class}${road_status}${road_number} HP${parcel}`;
}
return reference;
}
function localeTimestamp(date) {
const options = { day: '2-digit', month: '2-digit', year: 'numeric',
hour: 'numeric', minute: 'numeric', second: 'numeric' };
return date.toLocaleString(localizer.localeCode(), options);
}
function partitionViewport(projection) {
const zoom = geoScaleToZoom(projection.scale());
const roundZoom = (Math.ceil(zoom * 2) / 2) + 2.5; // round to next 0.5 and add 2.5
const tiler = utilTiler().zoomExtent([roundZoom, roundZoom]);
return tiler.getTiles(projection)
.map(tile => tile.extent);
}
function searchLimited(limit, projection, rtree) {
limit ??= 5;
return partitionViewport(projection)
.reduce((result, extent) => {
const found = rtree.search(extent.bbox())
.slice(0, limit)
.map(d => d.data);
return result.concat(found);
}, []);
}
export default {
init: function () {
this.event = utilRebind(this, dispatch, 'on');
},
reset: async function () {
if (_vegbilderCache) {
for (const layer of _vegbilderCache.wfslayers.values()) {
for (const controller of layer.inflight.values()) {
controller.abort();
}
}
}
_vegbilderCache = {
wfslayers: new Map(),
rtree: new RBush(),
image2sequence_map: new Map()
};
const availableLayers = await fetchAvailableLayers();
const {wfslayers} = _vegbilderCache;
for (const layerInfo of availableLayers) {
const cache = {
layerInfo,
loaded: new Map(),
inflight: new Map(),
points: new Map(),
sequences: []
};
wfslayers.set(layerInfo.name, cache);
}
},
images: function (projection) {
const limit = 5;
return searchLimited(limit, projection, _vegbilderCache.rtree);
},
sequences: function (projection) {
const viewport = projection.clipExtent();
const min = [viewport[0][0], viewport[1][1]];
const max = [viewport[1][0], viewport[0][1]];
const bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
const seen = new Set();
const line_strings = [];
for (const {data} of _vegbilderCache.rtree.search(bbox)) {
const sequence = _vegbilderCache.image2sequence_map.get(data.key);
if (!sequence) continue;
const {key, geometry, images} = sequence;
if (seen.has(key)) continue;
seen.add(key);
const line = {
type: 'LineString',
coordinates: geometry.coordinates,
key,
images
};
line_strings.push(line);
}
return line_strings;
},
cachedImage: function (key) {
for (const {points} of _vegbilderCache.wfslayers.values()) {
if (points.has(key)) return points.get(key);
}
},
getSequenceForImage: function (image) {
return _vegbilderCache?.image2sequence_map.get(image?.key);
},
loadImages: async function (context, margin) {
if (!_vegbilderCache) {
await this.reset();
}
margin ??= 1;
const wfslayers = filterAvailableLayers(context.photos());
loadWFSLayers(context.projection, margin, wfslayers);
},
photoFrame: function() {
return _currentFrame;
},
ensureViewerLoaded: function(context) {
if (_loadViewerPromise) return _loadViewerPromise;
const step = (stepBy) => () => {
const viewer = context.container().select('.photoviewer');
const selected = viewer.empty() ? undefined : viewer.datum();
if (!selected) return;
const sequence = this.getSequenceForImage(selected);
const nextIndex = sequence.images.indexOf(selected) + stepBy;
const nextImage = sequence.images[nextIndex];
if (!nextImage) return;
context.map().centerEase(nextImage.loc);
this.selectImage(context, nextImage.key, true);
};
const wrap = context.container().select('.photoviewer')
.selectAll('.vegbilder-wrapper')
.data([0]);
const wrapEnter = wrap.enter()
.append('div')
.attr('class', 'photo-wrapper vegbilder-wrapper')
.classed('hide', true);
wrapEnter
.append('div')
.attr('class', 'photo-attribution fillD');
const controlsEnter = wrapEnter
.append('div')
.attr('class', 'photo-controls-wrap')
.append('div')
.attr('class', 'photo-controls');
controlsEnter
.append('button')
.on('click.back', step(-1))
.text('◄');
controlsEnter
.append('button')
.on('click.forward', step(1))
.text('►');
_loadViewerPromise = Promise.all([
pannellumPhotoFrame.init(context, wrapEnter),
planePhotoFrame.init(context, wrapEnter)
]).then(([pannellumPhotoFrame, planePhotoFrame]) => {
_pannellumFrame = pannellumPhotoFrame;
_pannellumFrame.event.on('viewerChanged', () => dispatch.call('viewerChanged'));
_planeFrame = planePhotoFrame;
_planeFrame.event.on('viewerChanged', () => dispatch.call('viewerChanged'));
});
return _loadViewerPromise;
},
selectImage: function(context, key, keepOrientation) {
const d = this.cachedImage(key);
this.updateUrlImage(key);
const viewer = context.container().select('.photoviewer');
if (!viewer.empty()) { viewer.datum(d); }
this.setStyles(context, null, true);
if (!d) return this;
const wrap = context.container().select('.photoviewer .vegbilder-wrapper');
const attribution = wrap.selectAll('.photo-attribution').text('');
if (d.captured_at) {
attribution
.append('span')
.attr('class', 'captured_at')
.text(localeTimestamp(d.captured_at));
}
attribution
.append('a')
.attr('target', '_blank')
.attr('href', 'https://vegvesen.no')
.call(t.append('vegbilder.publisher'));
attribution
.append('a')
.attr('target', '_blank')
.attr('href', `https://vegbilder.atlas.vegvesen.no/?year=${d.captured_at.getFullYear()}&lat=${d.loc[1]}&lng=${d.loc[0]}&view=image&imageId=${d.key}`)
.call(t.append('vegbilder.view_on'));
_currentFrame = d.is_sphere? _pannellumFrame : _planeFrame;
_currentFrame
.showPhotoFrame(wrap)
.selectPhoto(d, keepOrientation);
return this;
},
showViewer: function (context) {
const viewer = context.container().select('.photoviewer');
const isHidden = viewer.selectAll('.photo-wrapper.vegbilder-wrapper.hide').size();
if (isHidden) {
for (const service of Object.values(services)) {
if (service === this) continue;
if (typeof service.hideViewer === 'function') {
service.hideViewer(context);
}
}
viewer
.classed('hide', false)
.selectAll('.photo-wrapper.vegbilder-wrapper')
.classed('hide', false);
}
return this;
},
hideViewer: function(context) {
this.updateUrlImage(null);
const viewer = context.container().select('.photoviewer');
if (!viewer.empty()) viewer.datum(null);
viewer
.classed('hide', true)
.selectAll('.photo-wrapper')
.classed('hide', true);
context.container().selectAll('.viewfield-group, .sequence')
.classed('currentView', false);
return this.setStyles(context, null, true);
},
// Updates the currently highlighted sequence and selected bubble.
// Reset is only necessary when interacting with the viewport because
// this implicitly changes the currently selected bubble/sequence
setStyles: function (context, hovered, reset) {
if (reset) { // reset all layers
context.container().selectAll('.viewfield-group')
.classed('highlighted', false)
.classed('hovered', false)
.classed('currentView', false);
context.container().selectAll('.sequence')
.classed('highlighted', false)
.classed('currentView', false);
}
const hoveredImageKey = hovered?.key;
const hoveredSequence = this.getSequenceForImage(hovered);
const hoveredSequenceKey = hoveredSequence?.key;
const hoveredImageKeys = hoveredSequence?.images.map(d => d.key) ?? [];
const viewer = context.container().select('.photoviewer');
const selected = viewer.empty() ? undefined : viewer.datum();
const selectedImageKey = selected?.key;
const selectedSequence = this.getSequenceForImage(selected);
const selectedSequenceKey = selectedSequence?.key;
const selectedImageKeys = selectedSequence?.images.map(d => d.key) ?? [];
// highlight sibling viewfields on either the selected or the hovered sequences
const highlightedImageKeys = utilArrayUnion(hoveredImageKeys, selectedImageKeys);
context.container().selectAll('.layer-vegbilder .viewfield-group')
.classed('highlighted', d => highlightedImageKeys.indexOf(d.key) !== -1)
.classed('hovered', d => d.key === hoveredImageKey)
.classed('currentView', d => d.key === selectedImageKey);
context.container().selectAll('.layer-vegbilder .sequence')
.classed('highlighted', d => d.key === hoveredSequenceKey)
.classed('currentView', d => d.key === selectedSequenceKey);
// update viewfields if needed
context.container().selectAll('.layer-vegbilder .viewfield-group .viewfield')
.attr('d', viewfieldPath);
function viewfieldPath() {
const d = this.parentNode.__data__;
if (d.is_sphere && d.key !== selectedImageKey) {
return 'M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0';
} else {
return 'M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z';
}
}
return this;
},
updateUrlImage: function (key) {
const hash = utilStringQs(window.location.hash);
if (key) {
hash.photo = 'vegbilder/' + key;
} else {
delete hash.photo;
}
window.history.replaceState(null, '', '#' + utilQsString(hash, true));
},
validHere: function(extent) {
const bbox = Object.values(extent.bbox());
return iso1A2Codes(bbox).includes('NO');
},
cache: function () {
return _vegbilderCache;
}
};