# Create a Map view

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## Create a Map view

The example below shows how to display a map view:

![](/files/-LiTu3LWADFf_nOW0J8X)

{% code title="component.js" %}

```javascript
import Component from '@glimmer/component';
import { inject as service } from '@ember/service';
import { scheduleOnce } from '@ember/runloop';
import { action } from '@ember/object';
import { observes } from '@ember-decorators/object';
import { tracked } from '@glimmer/tracking';
import { guidFor } from '@ember/object/internals';
import {
  triggerSmartAction,
  deleteRecords,
  getCollectionId,
  loadExternalStyle,
  loadExternalJavascript,
} from 'client/utils/smart-view-utils';

export default class extends Component {
  @service router;
  @service store;

  @tracked map = null;
  @tracked loaded = false;

  constructor(...args) {
    super(...args);

    this.loadPlugin();
  }

  get mapId() {
    return `map-${guidFor(this)}`;
  }

  async loadPlugin() {
    loadExternalStyle(
      '//cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.4/leaflet.css'
    );
    loadExternalStyle(
      '//cdnjs.cloudflare.com/ajax/libs/leaflet.draw/1.0.4/leaflet.draw.css'
    );

    await loadExternalJavascript(
      '//cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.4/leaflet.js'
    );
    await loadExternalJavascript(
      '//cdnjs.cloudflare.com/ajax/libs/leaflet.draw/1.0.4/leaflet.draw.js'
    );

    this.loaded = true;
    this.displayMap();
  }

  @action
  displayMap() {
    if (!this.loaded) {
      return;
    }

    if (this.map) {
      this.map.off();
      this.map.remove();
      this.map = null;
    }

    const markers = [];

    this.args.records?.forEach(function (record) {
      markers.push([
        record.get('forest-lat'),
        record.get('forest-lng'),
        record.get('id'),
      ]);
    });

    this.map = new L.Map(this.mapId);

    const osmUrl =
      'https://cartodb-basemaps-{s}.global.ssl.fastly.net/light_all/{z}/{x}/{y}.png';
    const osmAttrib =
      '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> &copy; <a href="http://cartodb.com/attributions">CartoDB</a>';
    const osm = new L.TileLayer(osmUrl, { attribution: osmAttrib });
    const drawnItems = new L.FeatureGroup();
    this.map.addLayer(drawnItems);

    const drawControl = new L.Control.Draw({
      draw: {
        polygon: false,
        polyline: false,
        rectangle: false,
        circle: false,
        circlemarker: false,
        marker: true,
      },
      edit: {
        featureGroup: drawnItems,
      },
    });

    this.map.setView(new L.LatLng(48.8566, 2.3522), 2);
    this.map.addLayer(osm);
    this.map.addControl(drawControl);

    this.map.on(L.Draw.Event.CREATED, (event) => {
      const { layer, layerType: type } = event;

      if (type === 'marker') {
        const coordinates = event.layer.getLatLng();
        const newRecord = this.store.createRecord('forest_delivery', {
          'forest-is_delivered': false,
          'forest-lng': coordinates.lng,
          'forest-lat': coordinates.lat,
        });

        newRecord.save().then((savedRecord) => {
          layer.on('click', () => {
            this.router.transitionTo(
              'project.rendering.data.collection.list.view-edit.details',
              this.args.collection.id,
              savedRecord.id
            );
          });
        });
      }

      this.map.addLayer(layer);
    });

    this.addMarkers(markers);
  }

  addMarker(marker) {
    const lat = Number.parseFloat(marker[0]);
    const long = Number.parseFloat(marker[1]);

    const recordId = marker[2];
    marker = L.marker([lat, long]).addTo(this.map);

    marker.on('click', () => {
      this.router.transitionTo(
        'project.rendering.data.collection.list.view-edit.details',
        this.args.collection.id,
        recordId
      );
    });
  }

  addMarkers(markers) {
    markers.forEach((marker) => this.addMarker(marker));
  }

  @action
  triggerSmartAction(...args) {
    return triggerSmartAction(this, ...args);
  }

  @action
  deleteRecords(...args) {
    return deleteRecords(this, ...args);
  }
}
```

{% endcode %}

{% code title="style.css" %}

```css
.c-map {
  width: 100%;
  height: 100%;
  z-index: 4;
}

#map {
  width: 100%;
  z-index: 4;
}

.c-smart-view {
  display: flex;
  white-space: normal;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  top: 0;
  background-color: var(--color-beta-surface);
}

.c-smart-view__content {
  margin: auto;
  text-align: center;
  color: var(--color-beta-on-surface_medium);
}

.c-smart-view_icon {
  margin-bottom: 32px;
  font-size: 32px;
}
```

{% endcode %}

{% code title="template.hbs" %}

```handlebars
<div
  id={{this.mapId}}
  class='c-map'
  {{did-insert this.displayMap}}
  {{did-update this.displayMap @records}}
></div>
```

{% endcode %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.forestadmin.com/documentation/reference-guide/smart-views/create-a-map-view.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.