# The Map Viewer

{% hint style="info" %}
This article covers:

* [Navigating the map](#navigating-the-map)
* [Choosing basemaps](#choosing-basemaps)
  {% endhint %}

## Navigating the map

***To move around*** the map, click and drag.

***To zoom in and out*****,** you can use the <img src="https://3101925571-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmrOjheW9v23epAZJDsmJ%2Fuploads%2FtfJyBqDVhLXGeKnw45e3%2Fzoom-in-icon.png?alt=media&#x26;token=08cbff64-dbaa-41d2-88cf-480addc8ab10" alt="" data-size="line"> and <img src="https://3101925571-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmrOjheW9v23epAZJDsmJ%2Fuploads%2F7uJVhJ0w2chZPP8PAtff%2Fzoom-out-icon.png?alt=media&#x26;token=9f597ecc-8d50-45e9-bf6f-77705f28a032" alt="" data-size="line"> buttons in the top right corner of the map, or the scroll wheel on your mouse (or equivalent hand gesture on a touchpad). Using the scroll wheel or touchpad offers more granular zooming.

***To rotate the map or adjust the viewing angle***, right click and drag. To return to a northward orientation, you can click the <img src="https://3101925571-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmrOjheW9v23epAZJDsmJ%2Fuploads%2Fwe8TxBWdmohf9CN02uwM%2Fcompass-icon.png?alt=media&#x26;token=3edd70a8-250b-4018-b92c-9a2542fbdeb6" alt="" data-size="line"> button in the top right

<figure><img src="https://3101925571-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmrOjheW9v23epAZJDsmJ%2Fuploads%2Ft4SjNiyAVtFtjaripbkQ%2Fmapviewer_layout_multi-arrow.png?alt=media&#x26;token=ff645e06-8da9-497d-b1d0-7ed94ef56b22" alt=""><figcaption></figcaption></figure>

***To zoom in on a particular area***, hold `shift` and click and drag your cursor. A rectangle should appear — this rectangle will become the new bounds of the map viewer window.

<figure><img src="https://3101925571-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmrOjheW9v23epAZJDsmJ%2Fuploads%2F9lC1ZyYnmuEr0zP8R21K%2Fzoom-select.gif?alt=media&#x26;token=d514b8ce-69d8-445a-b2b1-d3b344442bff" alt=""><figcaption></figcaption></figure>

***To zoom to the extent of a data layer*****,** right click on the layer and and click 'Zoom to bounds'

<figure><img src="https://3101925571-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmrOjheW9v23epAZJDsmJ%2Fuploads%2FJPoJrUf2oqvqCWo18fBp%2FZoom%20to%20bounds.png?alt=media&#x26;token=36719f07-334d-4784-be62-bd9b6899ad64" alt=""><figcaption></figcaption></figure>

## Choosing basemaps

SeaSketch allows you to choose between different map viewer basemaps. The selection of basemaps depends on the project. To select a different basemap, click 'Maps' in the main menu or the map icon  if the menu is collapsed. You'll see the following panel and can click on your desired basemap:

<figure><img src="https://3101925571-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmrOjheW9v23epAZJDsmJ%2Fuploads%2FS77adyhD7ppEjfEKNQEo%2Fchoose-basemap.png?alt=media&#x26;token=52d9f090-72ef-4386-b442-8cafd725a1a3" alt=""><figcaption></figcaption></figure>