Files
dv-community-map/index.js
T

611 lines
27 KiB
JavaScript

'use strict';
import * as Vector from './js/vectorlib.js';
import * as Bezier from './js/bezierlib.js';
import * as Utils from './js/utillib.js';
import * as Config from './config.js';
// CONFIG
const bezierGradeResolution = 80;
const bezierLengthResolution = 80;
const bezierCurvatureResolution = 80;
const padding = 500;
const zoomFactor = 1.1;
const trackWidth = {
base: 110,
min: 3,
max: 90,
}
const signSize = {
base: 4,
min: 0.05,
max: 1.8
}
const scaleCullBaseDistance = 500;
// Lower values make shorter track sections show their marker further out.
const scaleCullBaseSectionLength = 22;
const scaleCullBaseSectionLengthSpeedboard = 100;
// How long a track section can go without changing before another marker is placed. Increases readability
const maxSectionLength = 700;
// Zoom levels at which different markers get swapped in/out.
const scaleCullThresholds = [
{scale:1},
{scale:2},
{scale:3},
{scale:6},
{scale:12},
{scale:24},
{scale:60},
];
// CODE
const map = document.getElementById('map');
const map_container = document.getElementById('mapContainer');
const map_navigator = document.getElementById('mapNavigator');
const zoomLevelDisplay = document.getElementById('zoomLevelDisplay');
const styleRoot = document.querySelector(':root');
const svgns = map.getAttribute('xmlns');
const map_rails = document.createElementNS(svgns, 'g');
map_rails.setAttribute('id', 'map_rails');
map.appendChild(map_rails);
//const map_markers = document.createElementNS(svgns, 'g');
//map_markers.setAttribute('id', 'map_markers');
//map.appendChild(map_markers);
const map_markers = document.getElementById('mapMarkers');
const poiLayers = {
container: document.createElementNS(svgns, 'g'),
stations: document.createElementNS(svgns, 'g'),
service: document.createElementNS(svgns, 'g'),
features: document.createElementNS(svgns, 'g'),
landmarks: document.createElementNS(svgns, 'g')
};
let mapData = [];
let trackNameCounting = {};
let poiData = [];
let tracks = [];
let markers = [];
let currentMapNav = {};
let previousMapScale = -1;
let MapMatrix = {};
document.addEventListener('DOMContentLoaded', async () => {
let dynamicStyles = [];
for(let i=0; i<scaleCullThresholds.length; i++){
dynamicStyles.push(`.maxZoomCull_${i}{display:var(--maxZoomCull_state_${i});}`);
dynamicStyles.push(`.minZoomCull_${i}{display:var(--minZoomCull_state_${i});}`);
}
document.getElementById('zoomStyle').innerHTML = dynamicStyles.join('\n');
await loadTrackData('trackdata_dv.json');
await loadPoiData('poi_dv.json');
mapScrollSetup();
});
async function loadTrackData(file){
mapData = await (await fetch(new Request(file))).json();
establishDimensions();
fillSvg();
}
async function loadPoiData(file){
poiData = await (await fetch(new Request(file))).json();
for(let layerIdx in poiLayers){
poiLayers[layerIdx].setAttribute('id', 'poi_'+layerIdx);
if(layerIdx == 'container') continue;
poiLayers.container.appendChild(poiLayers[layerIdx]);
}
map_markers.appendChild(poiLayers.container);
for(let poi of poiData){
addPoi(poi);
}
}
/** Handling for the map scrolling and zooming */
function mapScrollSetup(){
let mapNav = {x:currentMapNav.x, y:currentMapNav.y, scale:currentMapNav.scale};
let prevMouse = {x:mapNav.x, y:mapNav.y, scale:mapNav.scale};
const mouseDownHandler = e => {
map_container.style.cursor = 'grabbing';
prevMouse.x = e.clientX;
prevMouse.y = e.clientY;
document.addEventListener('mousemove', mouseMoveHandler);
document.addEventListener('mouseup', mouseUpHandler);
};
const mouseMoveHandler = e => {
mapNav.x += prevMouse.x-e.clientX;
mapNav.y += prevMouse.y-e.clientY;
prevMouse.x = e.clientX;
prevMouse.y = e.clientY;
};
const mouseUpHandler = () => {
map_container.style.removeProperty('cursor');
document.removeEventListener('mousemove', mouseMoveHandler);
document.removeEventListener('mouseup', mouseUpHandler);
};
const zoomHandler = e => {
let rect = map_container.getBoundingClientRect();
let cursorLocal = {
x: -e.clientX - rect.left,
y: -e.clientY - rect.top
};
let scaleMult = 1;
if(e.deltaY < 0){
scaleMult = zoomFactor;
}else if(e.deltaY > 0){
scaleMult = 1/zoomFactor;
}
mapNav.x = cursorLocal.x - scaleMult * (cursorLocal.x-mapNav.x);
mapNav.y = cursorLocal.y - scaleMult * (cursorLocal.y-mapNav.y);
mapNav.scale *= scaleMult;
};
let prevMapNav = {};
const navUpdate = () => {
if(prevMapNav.x != currentMapNav.x || prevMapNav.y != currentMapNav.y || prevMapNav.scale != currentMapNav.scale){
updateMapview(mapNav);
prevMapNav.x = currentMapNav.x;
prevMapNav.y = currentMapNav.y;
prevMapNav.scale = currentMapNav.scale;
}
requestAnimationFrame(navUpdate);
}
map_container.addEventListener('mousedown', mouseDownHandler);
map_container.addEventListener('wheel', zoomHandler);
navUpdate();
}
/** Readjust map view to focus on position */
function updateMapview(navData = {x:0, y:0, scale:1}){
currentMapNav = navData;
map_navigator.style.transform = `translate(${-navData.x}px, ${-navData.y}px) scale(${navData.scale})`;
if(navData.scale !== previousMapScale){
zoomLevelDisplay.innerHTML = `Zoom: ${Math.round(navData.scale*100)/100}x`;
let dirtyScale = previousMapScale < 0;
for(const cullThreshold of scaleCullThresholds){
if(dirtyScale || (previousMapScale < cullThreshold.scale && navData.scale > cullThreshold.scale) || (previousMapScale > cullThreshold.scale && navData.scale < cullThreshold.scale)){
dirtyScale = true;
break;
}
}
map_rails.setAttribute('stroke-width', Utils.clamp(trackWidth.base/navData.scale, trackWidth.min, trackWidth.max));
styleRoot.style.setProperty('--markerScale', 1/navData.scale);
if(dirtyScale){
for(let i=0; i<scaleCullThresholds.length; i++){
styleRoot.style.setProperty(`--minZoomCull_state_${i}`, navData.scale >= scaleCullThresholds[i].scale ? 'initial' : 'none');
styleRoot.style.setProperty(`--maxZoomCull_state_${i}`, navData.scale <= scaleCullThresholds[i].scale ? 'initial' : 'none');
}
}
previousMapScale = navData.scale;
}
}
/** Get the bounding box of all the tracks, and set the map bounds accordingly. Also flips the Y axis.
* **Note:** Does NOT evaluate beziers, uses the control points only.
*/
function establishDimensions(){
let minX = Infinity;
let minY = Infinity;
let minAlt = Infinity;
let maxX = -Infinity;
let maxY = -Infinity;
let maxAlt = -Infinity;
for(const obj of mapData){
for(const point of obj.points){
minX = Math.min(minX, point.position.x, point.h1.x, point.h2.x);
minY = Math.min(minY, point.position.z, point.h1.z, point.h2.z);
minAlt = Math.min(minAlt, point.position.y, point.h1.y, point.h2.y);
maxX = Math.max(maxX, point.position.x, point.h1.x, point.h2.x);
maxY = Math.max(maxY, point.position.z, point.h1.z, point.h2.z);
maxAlt = Math.max(maxAlt, point.position.y, point.h1.y, point.h2.y);
}
}
let width = maxX-minX;
let height = maxY-minY;
MapMatrix = {
x1: minX,
x2: maxX,
y1: minY,
y2: maxY,
width: width,
height: height,
fixY: yIn => {
return minY+maxY-yIn;
}
}
map.setAttribute('viewBox', `${minX-padding} ${minY-padding} ${width+2*padding} ${height+2*padding}`);
map_markers.setAttribute('viewBox', map.getAttribute('viewBox'));
updateMapview({
x: map.clientWidth/2-map_container.clientWidth/2,
y: map.clientHeight/2-map_container.clientHeight/2,
scale: 1
});
console.log(`(${minX}, ${minY}) to (${maxX}, ${maxY}). Altitude from ${minAlt} to ${maxAlt}`);
// Flip the z coordinate so the map doesn't display upside-down
for(const obj of mapData){
for(const point of obj.points){
point.position.z = minY+maxY-point.position.z;
point.h1.z = minY+maxY-point.h1.z;
point.h2.z = minY+maxY-point.h2.z;
}
}
}
/** Populate the SVG data */
function fillSvg(){
for(const obj of mapData){
switch(obj.type){
case 'bezier':
drawTracks(obj);
break;
}
}
sortTracks();
setTrackColorMode('Grade');
drawMarkers();
}
/** Insert individual rail paths, as well as creating signage data for each path*/
function drawTracks(bezierData){
const trackCol = Utils.rgba2hex(Math.random(),Math.random(),Math.random(),1.0);
if(trackNameCounting[bezierData.name] == null){
trackNameCounting[bezierData.name] = 0;
}else{
trackNameCounting[bezierData.name]++;
}
let yardData = /\[(#)\]|\[(Y)\]_\[(.*?)\]_\[((.*?)-(.*?)-(.*?))\]/.exec(bezierData.name);
if(yardData){
if(yardData[1]){ // track is [#], thus in yard limits, but not a specific designated yard.
bezierData.isYard = true;
}else if(yardData[2]){ // track is [Y], and is a specific yard.
bezierData.isYard = true;
bezierData.yardStation = yardData[3]; // Which station the track belongs to
bezierData.yardDesignation = yardData[4]; // Full yard designation, used on signs
bezierData.yardName = yardData[5]; // A yard, B yard, C yard, etc.
bezierData.yardSidingNumber = yardData[6]; // Which siding within the yard
bezierData.yardUsage = yardData[7]; // Outbound? Parking? Inbound? Loading? That's this.
}
}else if(/Turntable Track/.test(bezierData.name)){
bezierData.isTurntable = true;
}else if(/\[track (diverging|through)\]/.test(bezierData.name)){
bezierData.isPoint = true;
}
for(let i=0; i+1<bezierData.points.length; i++){
const bezStart = bezierData.points[i].position;
const bezHandle1 = bezierData.points[i].h2;
const bezHandle2 = bezierData.points[i+1].h1;
const bezEnd = bezierData.points[i+1].position;
bezierData.points[i].element = document.createElementNS(svgns, 'path');
let genPath = 'M ';
genPath += `${bezStart.x} ${bezStart.z} `;
genPath += `C ${bezHandle1.x} ${bezHandle1.z} ${bezHandle2.x} ${bezHandle2.z} ${bezEnd.x} ${bezEnd.z} `;
bezierData.points[i].grade = Bezier.estimateGrade(bezStart, bezHandle1, bezHandle2, bezEnd, bezierGradeResolution);
bezierData.points[i].gradeClass = Utils.gradeToClass(bezierData.points[i].grade);
bezierData.points[i].bezLength = Bezier.estimateLength(bezStart, bezHandle1, bezHandle2, bezEnd, bezierLengthResolution);
bezierData.points[i].curvature = Bezier.estimateCurvature(bezStart, bezHandle1, bezHandle2, bezEnd, bezierCurvatureResolution);
bezierData.points[i].postedSpeed = Utils.radiusToSpeed(1/bezierData.points[i].curvature);
if(bezierData.isYard || bezierData.isTurntable) bezierData.points[i].postedSpeed = Math.min(bezierData.points[i].postedSpeed, 50);
bezierData.points[i].element.setAttribute('d', genPath);
bezierData.points[i].element.classList.add('rail');
//bezierData.points[i].element.setAttribute('stroke', Config.gradeColors[bezierData.points[i].gradeClass ? 'grade_'+bezierData.points[i].gradeClass : 'grade_flat']);
//bezierData.points[i].element.classList.add(bezierData.points[i].gradeClass != null ? 'grade_'+bezierData.points[i].gradeClass : 'grade_flat');
//bezierData.points[i].element.setAttribute('stroke', Utils.rgba2hex(bezierData.points[i].grade*50*0,(bezStart.y-113)/(252-113),bezierData.points[i].bezLength*0.01*0,1.0));
//bezierData.points[i].element.setAttribute('stroke', Utils.rgba2hex((1/bezierData.points[i].curvature) * 100,0,0,1.0));
//bezierData.points[i].element.setAttribute('stroke', trackCol);
//bezierData.points[i].element.setAttribute('data-grade', bezierData.points[i].grade);
//bezierData.points[i].element.setAttribute('data-length', bezierData.points[i].bezLength);
//bezierData.points[i].element.setAttribute('data-maxradius', 1/bezierData.points[i].curvature);
tracks.push([(bezStart.y+bezEnd.y)*0.5, bezierData.points[i].element]);
// Curve tooltip
let title = document.createElementNS(svgns, 'title');
title.innerHTML = [
`"${bezierData.name}"${trackNameCounting[bezierData.name] > 0 ? ' #'+trackNameCounting[bezierData.name] : ''} Sec${i}`,
`Max Grade: ${Math.round(bezierData.points[i].grade*1000)/10}%`,
`Min Radius: ${Math.round(1/bezierData.points[i].curvature)} meters`,
`Top Speed: ${Utils.radiusToSpeed(1/bezierData.points[i].curvature)} km/h`,
`Length: ${Math.round(bezierData.points[i].bezLength*10)/10} meters`,
`Altitude: ${Math.round((bezStart.y+bezEnd.y)*0.5)} meters`,
].join('\n');
bezierData.points[i].element.appendChild(title);
}
// Add Signage
let trackZoneData = {};
for(let i=0; i+1<bezierData.points.length; i++){
for(let zI=0; zI < ((i == bezierData.points.length-2) ? 2 : 1); zI++){
let resetTzdGrade = () => {
trackZoneData.gradeClass = bezierData.points[i].gradeClass;
trackZoneData.gradeDirection = Math.sign(bezierData.points[i].grade);
trackZoneData.gradeCount = 0;
trackZoneData.gradeSectionLength = bezierData.points[i].bezLength;
};
let resetTzdSpeed = () => {
trackZoneData.prevSpeed = trackZoneData.speed;
trackZoneData.speed = bezierData.points[i].postedSpeed;
trackZoneData.speedCount = 0;
trackZoneData.speedSectionLength = bezierData.points[i].bezLength;
}
if(i <= 0){
resetTzdGrade();
resetTzdSpeed();
}else{
//Grade Signs
if(trackZoneData.gradeClass != bezierData.points[i].gradeClass || trackZoneData.gradeDirection != Math.sign(bezierData.points[i].grade) || trackZoneData.gradeSectionLength > maxSectionLength || zI > 0){
if(trackZoneData.gradeClass != 'flat'){
let offset = Math.floor((trackZoneData.gradeCount+1)/2)+1;
let center = trackZoneData.gradeCount % 2 ? 1 : 0.5;
let b1 = bezierData.points[(i+zI)-offset].position;
let b2 = bezierData.points[(i+zI)-offset].h2;
let b3 = bezierData.points[(i+zI)+1-offset].h1;
let b4 = bezierData.points[(i+zI)+1-offset].position;
markers.push({
type: 'grade',
value: bezierData.points[(i+zI)-offset].grade,
gradeClass: trackZoneData.gradeClass,
position: Bezier.evaluatePoint(b1, b2, b3, b4, center),
sectionLength: trackZoneData.gradeSectionLength,
cullLevel: Math.round(scaleCullThresholds.length-1-trackZoneData.gradeSectionLength/scaleCullBaseSectionLength),
tangent: bezierData.points[(i+zI)].grade > 0
? Bezier.evaluateVelocity(b1, b2, b3, b4, center)
: Bezier.evaluateVelocity(b4, b3, b2, b1, center)
});
}
resetTzdGrade();
}else{
trackZoneData.gradeCount++;
trackZoneData.gradeSectionLength += bezierData.points[i].bezLength;
}
//Speed Signs
if(trackZoneData.speed != bezierData.points[i].postedSpeed || trackZoneData.speedSectionLength > maxSectionLength || zI > 0){
let offset = Math.floor((trackZoneData.speedCount+1)/2)+1;
let center = trackZoneData.speedCount % 2 ? 0.75 : 0.25;
let b1 = bezierData.points[(i+zI)-offset].position;
let b2 = bezierData.points[(i+zI)-offset].h2;
let b3 = bezierData.points[(i+zI)+1-offset].h1;
let b4 = bezierData.points[(i+zI)+1-offset].position;
let cullLevel = Math.round(scaleCullThresholds.length-1-trackZoneData.gradeSectionLength/scaleCullBaseSectionLengthSpeedboard);
let speedDelta = Math.max(0,
(bezierData.points[i].postedSpeed != null && bezierData.points[i].postedSpeed < 100) ? bezierData.points[i].postedSpeed-trackZoneData.speed : 0,
(trackZoneData.prevSpeed != null && trackZoneData.prevSpeed < 100) ? trackZoneData.prevSpeed-trackZoneData.speed : 0
);
if(speedDelta >= 10 && trackZoneData.speed <= 30){
cullLevel = 0;
}else if(speedDelta >= 20){
cullLevel = 1;
}
markers.push({
type: 'speed',
value: trackZoneData.speed,
position: Bezier.evaluatePoint(b1, b2, b3, b4, center),
sectionLength: trackZoneData.speedSectionLength,
cullLevel: cullLevel == 1 ? 2 : cullLevel,
tangent: Bezier.evaluateVelocity(b1, b2, b3, b4, center)
});
resetTzdSpeed();
}else{
trackZoneData.speedCount++;
trackZoneData.speedSectionLength += bezierData.points[i].bezLength;
}
}
}
}
}
/** Sort the tracks and put them into the svg */
function sortTracks(){
tracks.sort((a,b) => {
return a[0]-b[0];
});
for(const track of tracks){
map_rails.appendChild(track[1]);
}
}
function setTrackColorMode(mode){
let modeFunction = null;
switch(mode){
case 'Track Type':
modeFunction = (section, curve) => {
let finalColor = '#aaa';
if(curve.isYard && curve.yardDesignation) finalColor = '#4bf';
else if(curve.isYard) finalColor = '#4fb';
else if(curve.isPoint) finalColor = '#fb4';
else if(curve.isTurntable) finalColor = '#b4f';
section.element.setAttribute('stroke', finalColor);
}
break;
case 'Grade':
modeFunction = section => {
section.element.setAttribute('stroke', Config.gradeColors['grade_'+section.gradeClass]);
};
break;
default:
modeFunction = section => {
section.element.setAttribute('stroke', '#fff');
}
break;
}
if(modeFunction !== null){
for(let curve of mapData){
for(let section of curve.points){
if(!section.element) continue;
modeFunction(section, curve);
}
}
}
}
/** Create the signage */
function drawMarkers(){
const signage_container = document.createElementNS(svgns, 'g');
const gradeSigns = document.createElementNS(svgns, 'g');
const speedSigns = document.createElementNS(svgns, 'g');
signage_container.setAttribute('id', 'signage_container');
gradeSigns.setAttribute('id', 'signage_grade');
speedSigns.setAttribute('id', 'signage_speed');
map_markers.appendChild(signage_container);
signage_container.appendChild(gradeSigns);
signage_container.appendChild(speedSigns);
for(const markerData of markers){
//if(markerData.skip) continue;
let markerElement = document.createElementNS(svgns, 'g');
let markerImg = document.createElementNS(svgns, 'use');
let markerTooltip = document.createElementNS(svgns, 'title');
markerElement.appendChild(markerImg);
markerElement.appendChild(markerTooltip);
markerElement.setAttribute('transform', `translate(${markerData.position.x} ${markerData.position.z})`);
markerImg.classList.add('fixedScale');
// Grade signs
if(markerData.type == 'grade'){
markerImg.setAttribute('href', '#gradeArrow');
markerImg.setAttribute('fill', Config.gradeColors['grade_'+markerData.gradeClass]);
const tanLen = Math.sqrt(markerData.tangent.x*markerData.tangent.x + markerData.tangent.z*markerData.tangent.z) * Math.sign(markerData.tangent.y);
const rot = Math.atan2(markerData.tangent.x/tanLen, -markerData.tangent.z/tanLen) * (180/Math.PI);
markerElement.setAttribute('transform', `translate(${markerData.position.x} ${markerData.position.z}) rotate(${rot})`);
markerTooltip.innerHTML = `${Math.round(markerData.value*1000)/10}% Grade\nSection Length: ${markerData.sectionLength.toFixed(1)} meters`;
gradeSigns.appendChild(markerElement);
// Speed Signs
}else if(markerData.type == 'speed'){
markerImg.setAttribute('href', `#speedSign_${Math.round(markerData.value/10)}`);
markerTooltip.innerHTML = `${Math.round(markerData.value)} km/h\nSection Length: ${markerData.sectionLength.toFixed(1)} meters`;
markerElement.setAttribute('transform', `translate(${markerData.position.x} ${markerData.position.z})`);
speedSigns.appendChild(markerElement);
}
if(markerData.cullLevel){
markerElement.classList.add(`minZoomCull_${Math.min(scaleCullThresholds.length-1, markerData.cullLevel)}`);
}
}
}
function addPoi(poi, level = 0){
let poiElement = document.createElementNS(svgns, 'g');
let poiDisplay = document.createElementNS(svgns, 'g');
let poiIcon = document.createElementNS(svgns, poi.type == 'station' ? 'text' : 'use');
let poiTooltip = document.createElementNS(svgns, 'title');
poiElement.appendChild(poiDisplay);
poiDisplay.appendChild(poiIcon);
poiElement.appendChild(poiTooltip);
poiElement.setAttribute('transform', `translate(${poi.position.x} ${MapMatrix.fixY(poi.position.z)})`);
poiElement.classList.add('poi');
poiDisplay.classList.add('fixedScale');
if(level > 0) poiElement.classList.add('minZoomCull_2');
switch(poi.type){
case 'station':
poiDisplay.classList.remove('fixedScale');
poiElement.setAttribute('fill', poi.color ?? '#fff');
poiTooltip.innerHTML = poi.name;
poiIcon.innerHTML = poi.shorthand;
poiIcon.setAttribute('style', `font-size:400px; stroke:${poi.stroke ?? '#000'}; stroke-width:40px; paint-order:stroke; text-anchor:middle;`);
poiLayers.stations.prepend(poiElement);
break;
case 'office':
poiIcon.setAttribute('href', '#mrk_office');
if(poi.military){
poiDisplay.setAttribute('fill', '#978e47');
poiTooltip.innerHTML = 'Military Office';
}else if(poi.museum){
poiDisplay.setAttribute('fill', '#b44');
poiTooltip.innerHTML = 'Museum Office';
}else{
poiDisplay.setAttribute('fill', '#c4693e');
poiTooltip.innerHTML = 'Station Office';
}
poiLayers.service.prepend(poiElement);
break;
case 'coal':
poiIcon.setAttribute('href', '#mrk_coal');
poiDisplay.setAttribute('fill', '#202020');
poiTooltip.innerHTML = 'Coal Tower';
poiLayers.service.prepend(poiElement);
break;
case 'water':
poiIcon.setAttribute('href', '#mrk_water');
poiDisplay.setAttribute('fill', '#3fa5ff');
poiTooltip.innerHTML = 'Water Tower';
poiLayers.service.prepend(poiElement);
break;
case 'garage':
poiIcon.setAttribute('href', '#mrk_garage');
poiDisplay.setAttribute('fill', '#8b5dd7');
poiTooltip.innerHTML = poi.name ?? 'Unknown Garage';
poiLayers.service.prepend(poiElement);
poiElement.classList.add('minZoomCull_1');
break;
case 'landmark':
poiIcon.setAttribute('href', '#mrk_landmark');
poiDisplay.setAttribute('fill', '#af5757');
poiTooltip.innerHTML = poi.name ?? 'Unknown Landmark';
poiLayers.service.prepend(poiElement);
poiElement.classList.add('minZoomCull_1');
break;
case 'shop':
poiIcon.setAttribute('href', '#mrk_shop');
poiDisplay.setAttribute('fill', '#4f54e9');
poiTooltip.innerHTML = 'Shop';
poiLayers.service.prepend(poiElement);
poiElement.classList.add('minZoomCull_1');
break;
case 'service':
let serviceTypes = [];
if(poi.repair) serviceTypes.push('Repair');
if(poi.diesel) serviceTypes.push('Diesel');
if(poi.charger) serviceTypes.push('Charger');
if(serviceTypes.length == 0){
poiIcon.setAttribute('href', '#mrk_service');
poiDisplay.setAttribute('fill', '#239a96');
poiTooltip.innerHTML = 'Unknown Service';
}else{
poiIcon.setAttribute('href', '#mrk_service_'+serviceTypes[0].toLowerCase());
poiDisplay.setAttribute('fill', '#239a96');
let bumpOffset = -200*(serviceTypes.length-1);
poiIcon.setAttribute('transform', `translate(${bumpOffset} 0)`);
poiTooltip.innerHTML = serviceTypes[0];
for(let i=1; i<serviceTypes.length; i++){
let subIcon = document.createElementNS(svgns, 'use');
subIcon.setAttribute('href', '#mrk_service_'+serviceTypes[i].toLowerCase());
subIcon.setAttribute('transform', `translate(${i*400+bumpOffset} 0)`);
poiDisplay.appendChild(subIcon);
poiTooltip.innerHTML += (i == serviceTypes.length-1 ? (serviceTypes.length == 2 ? ' & ' : ', & ') : ', ')+serviceTypes[i];
}
poiTooltip.innerHTML += ' Service';
if(serviceTypes.length > 1){
let bgrect = document.createElementNS(svgns, 'rect');
bgrect.setAttribute('width', 400*(serviceTypes.length-1));
bgrect.setAttribute('height', 400);
bgrect.setAttribute('transform', `translate(${-200*(serviceTypes.length-1)} -200)`);
poiDisplay.prepend(bgrect);
}
}
poiLayers.service.prepend(poiElement);
break;
}
if(poi.children){
for(let child of poi.children){
addPoi(child, level+1);
}
}
}