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Manage hosted tile layers

Owners of hosted tile layers and administrators can manage the following settings specific to hosted tile layers:

  • The minimum and maximum scales at which a hosted tile layer will draw when added to a map
  • Whether a hosted tile layer can be taken offline
  • Whether tiles are automatically generated when viewed and updated to reflect changes to feature data, or tiles are managed manually

Note that you cannot manage minimum and maximum scales or the offline mode on hosted tile layers if the source data, hosted feature layer, or hosted feature layer view that your hosted tile layer was published from is no longer accessible. Similarly, hosted tile layers inherit the visible range of the hosted feature layer or hosted feature layer view when you publish the hosted tile layer. You cannot build tiles for areas that fall outside that inherited visible range.

Manage hosted raster tile layer settings

Follow these steps to build tiles, change the visible range, allow tiles to be rebuilt for areas edited, and manage the offline mode of a hosted tile layer:

  1. Sign in as the owner of the web layer, an administrator, or with an account that has privileges to update all members' items.
  2. Open the hosted tile layer's item page.
  3. Click the Settings tab.
  4. Scroll to the Tile Layer (hosted) Settings section.
  5. Click Show Details to see the current status of existing tiles.
  6. Make any of the following changes:
    • Set the Visible Range option using the slider or drop-down lists to choose the minimum and maximum scales at which a hosted tile layer draws when added to a map.
    • Click Build Tiles to build tiles for the layer. When the dialog box appears, check the boxes next to the levels (scales) at which you want to generate tiles. You must choose at least one level. When you finish choosing levels, click Create Tiles.

      See the next section for more information on tile creation.

    • Check Allow this layer to be downloaded and used in an offline map to allow others to include a hosted tile layer in a map that will be taken offline. Note that you can only do this if you've created tiles for the data you want to take offline.
  7. Click Save when you finish.

Settings specific to hosted tile layers published from hosted feature layers

When you publish a hosted tile layer from a hosted feature layer or hosted feature layer view, tiles are created automatically the first time they are needed (in other words, tiles are built for a specific scale and extent the first time someone views the hosted tile layer at that scale and extent). Once tiles are generated, they are cached and immediately available to you or anyone else who views the tile layer at that scale and extent. Additionally, changes made to your feature data are automatically reflected in the hosted tile layer within a couple minutes.

Although tiles are created automatically by default, you can choose to manually build tiles for specific scales and extents. This improves display performance for the first person to view the tile layer at that scale and extent and is required if users will take the tile layer offline.

In some rare cases, you may decide to disable automatic tile creation and build tiles manually for the entire hosted tile layer. When you do this, edits made to the data in the hosted feature layer used to publish the tile layer are not reflected in the hosted tile layer.

Note:

Hosted tile layers published prior to June 2017 are configured for building tiles manually. If you want updates in the primary hosted feature layer to appear in the dependent hosted tile layer, switch the hosted tile layer's settings to create tiles automatically.

When you publish a hosted tile layer from a hosted feature layer, you can rename the layers in the hosted tile layer.

Create tiles automatically

When you configure a hosted tile layer to create tiles automatically, ArcGIS Online creates tiles on demand as they are needed. Once created, tiles are cached and available for all subsequent views. When the primary hosted feature layer or feature layer view is edited, changes are reflected in the hosted tile layer within a couple minutes.

Tiles at smaller scales

The time it takes to generate tiles automatically depends on the feature data, specifically the amount of vertices in the feature data. The denser the feature vertices, the more it impacts tile generation time. As scales become smaller (zoomed out), more features are included in each tile, which can increase the time it takes to generate a tile. If you see delays in the time it takes to generate tiles, precreate tiles for that scale and other scales where there is a delay. Precreated tiles in automatic mode also reflect the latest feature data edits.

Build tiles for specific scales and extents

Even if your hosted tile layer is configured to create tiles automatically, you can build tiles for specific levels (scales) and extents. This workflow is ideal for generating tiles for areas you know users need or in specific areas where you expect tiles to be taken offline.

Follow these steps to build tiles for specific scales and extents:

  1. Sign in as the owner of the hosted tile layer, an administrator, or with an account that has privileges to update all members' items.
  2. Open the hosted tile layer's item page.
  3. Click the Settings tab.
  4. Scroll to the Tile Layer (Hosted) Settings section.
  5. Click Build Tiles.
  6. On the Levels tab, check the box next to the scale or scales at which you want tiles created.
  7. If you also want to limit the extent for which tiles are built, click the Define Extent tab and set the area in which tiles will be built by doing one of the following:
    • Click Draw Extent and draw a box indicating the area where tiles will be built.
    • Type the coordinates for the extent (in decimal degrees) in the Left, Right, Top, and Bottom fields.
  8. Click Create Tiles when you finish choosing levels and setting the extent.

Manually manage tiles

In most cases, you won't create tiles manually because this option prevents the hosted tile layer from automatically reflecting changes made to the data in the primary hosted feature layer. However, you may manually create tiles from a read-only feature layer that has labels saved to it, as you cannot publish a hosted tile layer in automatic mode if the primary hosted feature layer has labels saved.

To manually create tiles, click Build Tiles in Tile Layer (Hosted) Settings and select the levels and the extent needed for offline use.

Tip:

If you set your hosted tile layer to create tiles manually then change your mind, or if you published the hosted tile layer prior to June 2017, you can switch the layer to create tiles automatically. When you do this, you must choose to either delete or keep your existing tiles.

  • Delete the existing tiles if any updates have been made to the primary hosted feature layer, as those updates are not currently reflected in the hosted tile layer. Note that credits are charged when tiles are re-created.
  • Keep your existing tiles if no changes have been made to the data in the primary hosted feature layer.

Rename layers

If you publish a hosted tile layer from a hosted feature layer, you can change the name of a hosted tile layer item and the layers within the hosted tile layer.

Changing the item name or layer names in a hosted tile layer does not affect the names in the source hosted feature layer.

  1. Sign in to your organization and open the item page for the hosted tile layer.
  2. On the Overview tab, click Edit next to the item or layer name you want to change.
  3. Type a new name for the layer or item and click Save.

Manage hosted vector tile layer settings

Follow these steps to manage the offline mode of a hosted vector tile layer:

  1. Sign in as the owner of the web layer, an administrator, or with an account that has privileges to update all members' items.
  2. Open the hosted vector tile layer's item page.
  3. Click the Settings tab.
  4. Scroll to the Tile Layer (hosted) Settings section.
  5. Check Allow this layer to be downloaded and used in an offline map to allow others to include a hosted tile layer in custom offline apps.
  6. Click Save when you finish.

You can now add this layer to a map that is enabled for offline use.

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