libs/open-layers/src/lib/ol-map/ol-map.component.ts
Basic open layers map component, which creates a map with an OSM layer as first base layer.
| encapsulation | ViewEncapsulation.None |
| providers |
OlMapId
|
| selector | n52-ol-map |
| styleUrls | ../../../../../node_modules/ol/ol.css, |
| template | |
Properties |
|
Methods |
|
Inputs |
constructor(mapService: OlMapService, mapid: OlMapId)
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Parameters :
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| lat | |
Default value : 0
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|
Latitude to center the map |
|
| lon | |
Default value : 0
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|
Longitude to center the map |
|
| mapId | |
Type : string
|
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|
The map id, to reference this map outside of this component. If no id is given, a unique one is generated |
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| projection | |
Default value : 'EPSG:3857'
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Projection of the map |
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| showAttributionControl | |
Default value : true
|
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Should the attribution label be visible on the map |
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| showZoomControl | |
Default value : true
|
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Should the zoom controls be visible on the map |
|
| zoom | |
Default value : 1
|
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|
Zoom level of the map |
|
| Private generateUUID |
generateUUID()
|
|
Returns :
string
|
| ngAfterViewInit |
ngAfterViewInit()
|
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Returns :
void
|
| ngOnInit |
ngOnInit()
|
|
Returns :
void
|
| Private map |
Type : Map
|
import { AfterViewInit, Component, Input, OnInit, ViewEncapsulation } from '@angular/core';
import { View } from 'ol';
import { Control } from 'ol/control';
import Attribution from 'ol/control/Attribution';
import Zoom from 'ol/control/Zoom';
import TileLayer from 'ol/layer/Tile';
import Map from 'ol/Map';
import { fromLonLat } from 'ol/proj';
import OSM from 'ol/source/OSM';
import { OlMapService } from '../services/map.service';
import { OlMapId } from '../services/mapid.service';
/**
* Basic open layers map component, which creates a map with an OSM layer as first base layer.
*/
@Component({
selector: 'n52-ol-map',
template: '<div class="map" [attr.id]="mapId"></div>',
encapsulation: ViewEncapsulation.None,
styleUrls: [
'../../../../../node_modules/ol/ol.css',
'ol-map.component.scss'
],
providers: [OlMapId]
})
export class OlMapComponent implements OnInit, AfterViewInit {
/**
* The map id, to reference this map outside of this component. If no id is given, a unique one is generated
*/
@Input() mapId: string;
/**
* Longitude to center the map
*/
@Input() lon = 0;
/**
* Latitude to center the map
*/
@Input() lat = 0;
/**
* Zoom level of the map
*/
@Input() zoom = 1;
/**
* Projection of the map
*/
@Input() projection = 'EPSG:3857';
/**
* Should the zoom controls be visible on the map
*/
@Input() showZoomControl = true;
/**
* Should the attribution label be visible on the map
*/
@Input() showAttributionControl = true;
private map: Map;
constructor(
private mapService: OlMapService,
private mapid: OlMapId,
) { }
ngOnInit() {
if (this.mapId === undefined || this.mapId === null) {
this.mapId = this.generateUUID();
}
}
ngAfterViewInit(): void {
const controls: Control[] = [];
if (this.showZoomControl) { controls.push(new Zoom()); }
if (this.showAttributionControl) { controls.push(new Attribution()); }
const center = fromLonLat([this.lon, this.lat]);
this.map = new Map({
layers: [new TileLayer({ source: new OSM() })],
controls: controls,
target: this.mapId,
view: new View({
projection: this.projection,
center: center,
zoom: this.zoom
})
});
this.mapService.setMap(this.mapId, this.map);
this.mapid.setId(this.mapId);
}
private generateUUID(): string {
function s4() {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
}
}
../../../../../node_modules/ol/ol.css
.ol-box {
box-sizing: border-box;
border-radius: 2px;
border: 2px solid blue;
}
.ol-mouse-position {
top: 8px;
right: 8px;
position: absolute;
}
.ol-scale-line {
background: rgba(0,60,136,0.3);
border-radius: 4px;
bottom: 8px;
left: 8px;
padding: 2px;
position: absolute;
}
.ol-scale-line-inner {
border: 1px solid #eee;
border-top: none;
color: #eee;
font-size: 10px;
text-align: center;
margin: 1px;
will-change: contents, width;
transition: all 0.25s;
}
.ol-scale-bar {
position: absolute;
bottom: 8px;
left: 8px;
}
.ol-scale-step-marker {
width: 1px;
height: 15px;
background-color: #000000;
float: right;
z-Index: 10;
}
.ol-scale-step-text {
position: absolute;
bottom: -5px;
font-size: 12px;
z-Index: 11;
color: #000000;
text-shadow: -2px 0 #FFFFFF, 0 2px #FFFFFF, 2px 0 #FFFFFF, 0 -2px #FFFFFF;
}
.ol-scale-text {
position: absolute;
font-size: 14px;
text-align: center;
bottom: 25px;
color: #000000;
text-shadow: -2px 0 #FFFFFF, 0 2px #FFFFFF, 2px 0 #FFFFFF, 0 -2px #FFFFFF;
}
.ol-scale-singlebar {
position: relative;
height: 10px;
z-Index: 9;
border: 1px solid black;
}
.ol-unsupported {
display: none;
}
.ol-viewport, .ol-unselectable {
-webkit-touch-callout: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-tap-highlight-color: rgba(0,0,0,0);
}
.ol-overlaycontainer, .ol-overlaycontainer-stopevent {
pointer-events: none;
}
.ol-overlaycontainer > *, .ol-overlaycontainer-stopevent > * {
pointer-events: auto;
}
.ol-selectable {
-webkit-touch-callout: default;
-webkit-user-select: text;
-moz-user-select: text;
-ms-user-select: text;
user-select: text;
}
.ol-grabbing {
cursor: -webkit-grabbing;
cursor: -moz-grabbing;
cursor: grabbing;
}
.ol-grab {
cursor: move;
cursor: -webkit-grab;
cursor: -moz-grab;
cursor: grab;
}
.ol-control {
position: absolute;
background-color: rgba(255,255,255,0.4);
border-radius: 4px;
padding: 2px;
}
.ol-control:hover {
background-color: rgba(255,255,255,0.6);
}
.ol-zoom {
top: .5em;
left: .5em;
}
.ol-rotate {
top: .5em;
right: .5em;
transition: opacity .25s linear, visibility 0s linear;
}
.ol-rotate.ol-hidden {
opacity: 0;
visibility: hidden;
transition: opacity .25s linear, visibility 0s linear .25s;
}
.ol-zoom-extent {
top: 4.643em;
left: .5em;
}
.ol-full-screen {
right: .5em;
top: .5em;
}
.ol-control button {
display: block;
margin: 1px;
padding: 0;
color: white;
font-size: 1.14em;
font-weight: bold;
text-decoration: none;
text-align: center;
height: 1.375em;
width: 1.375em;
line-height: .4em;
background-color: rgba(0,60,136,0.5);
border: none;
border-radius: 2px;
}
.ol-control button::-moz-focus-inner {
border: none;
padding: 0;
}
.ol-control button span {
pointer-events: none;
}
.ol-zoom-extent button {
line-height: 1.4em;
}
.ol-compass {
display: block;
font-weight: normal;
font-size: 1.2em;
will-change: transform;
}
.ol-touch .ol-control button {
font-size: 1.5em;
}
.ol-touch .ol-zoom-extent {
top: 5.5em;
}
.ol-control button:hover,
.ol-control button:focus {
text-decoration: none;
background-color: rgba(0,60,136,0.7);
}
.ol-zoom .ol-zoom-in {
border-radius: 2px 2px 0 0;
}
.ol-zoom .ol-zoom-out {
border-radius: 0 0 2px 2px;
}
.ol-attribution {
text-align: right;
bottom: .5em;
right: .5em;
max-width: calc(100% - 1.3em);
}
.ol-attribution ul {
margin: 0;
padding: 0 .5em;
color: #000;
text-shadow: 0 0 2px #fff;
}
.ol-attribution li {
display: inline;
list-style: none;
}
.ol-attribution li:not(:last-child):after {
content: " ";
}
.ol-attribution img {
max-height: 2em;
max-width: inherit;
vertical-align: middle;
}
.ol-attribution ul, .ol-attribution button {
display: inline-block;
}
.ol-attribution.ol-collapsed ul {
display: none;
}
.ol-attribution:not(.ol-collapsed) {
background: rgba(255,255,255,0.8);
}
.ol-attribution.ol-uncollapsible {
bottom: 0;
right: 0;
border-radius: 4px 0 0;
}
.ol-attribution.ol-uncollapsible img {
margin-top: -.2em;
max-height: 1.6em;
}
.ol-attribution.ol-uncollapsible button {
display: none;
}
.ol-zoomslider {
top: 4.5em;
left: .5em;
height: 200px;
}
.ol-zoomslider button {
position: relative;
height: 10px;
}
.ol-touch .ol-zoomslider {
top: 5.5em;
}
.ol-overviewmap {
left: 0.5em;
bottom: 0.5em;
}
.ol-overviewmap.ol-uncollapsible {
bottom: 0;
left: 0;
border-radius: 0 4px 0 0;
}
.ol-overviewmap .ol-overviewmap-map,
.ol-overviewmap button {
display: inline-block;
}
.ol-overviewmap .ol-overviewmap-map {
border: 1px solid #7b98bc;
height: 150px;
margin: 2px;
width: 150px;
}
.ol-overviewmap:not(.ol-collapsed) button{
bottom: 1px;
left: 2px;
position: absolute;
}
.ol-overviewmap.ol-collapsed .ol-overviewmap-map,
.ol-overviewmap.ol-uncollapsible button {
display: none;
}
.ol-overviewmap:not(.ol-collapsed) {
background: rgba(255,255,255,0.8);
}
.ol-overviewmap-box {
border: 2px dotted rgba(0,60,136,0.7);
}
.ol-overviewmap .ol-overviewmap-box:hover {
cursor: move;
}
ol-map.component.scss
.map {
width: 100%;
height: 100%;
}