# Managing Layers The layers of a project are displayed in the **Layers** tab of the project configuration interface. This icon ![](https://2224254070-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDUF1p2rT0hfE3QBlbbvE%2Fuploads%2FMoIMrv90NPI17AOwNC3i%2Fmenu.png?alt=media\&token=bbf3a7a5-b40d-4d74-a7cd-677c36f4d17a) located in the **Layers** section of the project interface also takes you to the **Layers** tab. The table shows basic information about each layer of the project. When you click on the name of a layer, a details section displays. In this tab you can define the order of layers in the project. The [Organizing Layers](https://docs-jmapserver-lima.k2geospatial.com/e/administrator/jmap-server-administrator-manual/resources-projects/configuring-projects/managing-layers/organizing-layers) section offers details on this topic. Buttons allow you to perform management tasks for the layers you select in the table, as well as add new layers to the project. ## Add layers


Create	Initiates the creation of a new layer. Refer to Creating Layers.
Clone/Reference	Allows you to duplicate or reference a layer from another project located on the same server or on a different JMap Server. Refer to Sharing Layers.
Import…	Allows you to import layers one by one from a project exported from another JMap server. Refer to Importing layers.

{% hint style="info" %} The icon ![](https://2224254070-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDUF1p2rT0hfE3QBlbbvE%2Fuploads%2FB2gmtLD7kgUl0P4LL9zw%2Fajouter.png?alt=media\&token=52497ac2-ca3c-414f-9fea-19862e7a65a1) in the **Layers** section of the project configuration interface gives you the three options to add a layer to the project. {% endhint %} ## Permissions When you select one or more layers you can grant permissions for the whole set. Refer to [Layer Permissions](https://docs-jmapserver-lima.k2geospatial.com/e/administrator/jmap-server-administrator-manual/resources-layers/configuring-layers/layer-permissions). ## Update


Update data sources	Updates the spatial data sources associated with the selected layers. Refer to Spatial Data Sources.
Update caches	Launches the preparation of the vector data cache for the selected layers. Refer to Creating Layers.
Update - Bulk edit…	Allows you to edit certain layer parameters in batches. The Bulk editing a layer set section provides details about this topic.

### Bulk editing a layer set You can edit different settings for a set of layers. You must select the layers to modify in the **List** tab of the **Layers** section of the project. Afterwards, press the **Update** button, and click on the **Bulk edit…** option. The **Bulk edit** interface will open.


Change ‘Antialiasing’	Check if you want to change this setting. Check New Value to enable the antialiasing feature. Uncheck New Value to disable the antialiasing feature. The Style section provides details on this parameter.
Change Minimum scale	Check to change the minimum scale for displaying layers. Check Infinity or 1: and in this case, indicate the scale. The General Settings section provides details on this topic.
Change Maximum scale	Check to change the maximum scale for displaying layers. Check Zero or 1: and in this case, indicate the scale. The General Settings section provides details on this topic.
Change Request mode	Check to change the data request mode. Check the option of your choice. The Creating Layers section provides details on this topic.
Change Description	You can write a new description for the layers.

## Synchronize with JMap Cloud This button allows you to synchronize the selected layers with JMap Cloud. The section [Sharing layers with JMap Cloud](https://docs-jmapserver-lima.k2geospatial.com/e/administrator/resources-layers/sharing-layers#sharing-layers-with-jmap-cloud) provides details on the subject. ## Delete Deletes the selected layers.