--- title: "Hiding Overlap" slug: "hiding-overlap" description: "Manage overlapping datasets with the Hide Overlap feature for clear, accurate representations in NavVis. Optimize your site’s data quality effortlessly." updated: 2025-12-18T14:30:32Z published: 2025-12-18T14:30:32Z canonical: "knowledge.navvis.com/hiding-overlap" --- > ## Documentation Index > Fetch the complete documentation index at: https://knowledge.navvis.com/llms.txt > Use this file to discover all available pages before exploring further. # Hiding Overlap ## What is Hide Overlap? The Hide Overlap feature is used when there are multiple overlapping datasets. It is a cleanup tool that automatically implements the optimum overlap of multiple datasets throughout the entire Site. Applying this feature provides a clear and accurate representation of the reality, significantly reducing unclear and sometimes dense images that can occur with multiple overlapping datasets. | ![](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/image(17).png) | ![](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/image(18).png) | | --- | --- | | Hide Overlap Removed | Hide overlap ApplieO | > [!NOTE] > Note: The Hide Overlap feature is applied exclusively to NavVis dataset, external 3rd party datasets are excluded when applying this feature. # Managing Hide Overlap ## Applying or removing Hide Overlap To apply or remove Hide Overlap perform the following procedure: 1. Go to **Site Setup>Dataset Management** 2. To apply Hide Overlap to the Site, click the **Apply Hide Overlap** button. ![Dataset management interface showing storage usage and options to hide overlap.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/apply HO.png) 3. The following screen is displayed. Click **Dismiss**and regenerate the maps, navgraph and visual index if appropriate. ![Notification indicating overlapping data has been successfully hidden in the system.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/data hidden.png) 1. To remove Hide Overlap from the Site, click the **Remove Hide Overlap** button. ![Dataset management interface showing storage and options to manage overlaps.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/remove HO.png) 2. Click the **Remove**button to confirm. ![Popup window explaining the 'Remove Hide Overlap' action with options to cancel or remove.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/remove HO2.png) 3. The operation of applying and removing Hide Overlap from the Site may take a while (few minutes up to an hour) to complete. You can see the progress in the Task Manager at the bottom of the screen. ![Task manager interface displaying task groups and process options for management.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/task bar.png) 4. Click the [Publish](https://knowledge.navvis.com/docs/publishing-a-draft) button to make the changes available in the Site for everyone. > [!NOTE] > Note: Enabling Hide Overlap, however, does not reduce the size of the exported files. ### Updating Hide Overlap If there is a new NavVis Dataset added to the Site, either as an Alignment Bundle or a Dataset without Bundle, click the Update Hide Overlap button and the new Dataset will be incorporated into the Site. ![Buttons for updating and removing overlap settings in a user interface.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/update.png) ### Edit Scanning Session (IVION Professional and IVION Enterprise only) Within Dataset Management there is an additional option for Professional and Enterprise customers: Edit Scanning Sessions. This feature enables Hide Overlap to effectively integrate rescans into a site. > [!NOTE] > Note: A rescan means capturing the same area of a site again, usually because equipment or conditions have changed, or because you want to improve data quality in that area. With scanning sessions, data managers can group datasets together. - Within a scanning session, datasets compete only on data quality – the scan time is not relevant. - Across different sessions, however, datasets compete on both data quality and the most recent scans: newer scans take priority over older ones as long as quality is comparable. - This gives you finer control over managing overlapping datasets from different points intime and is available exclusively in the Professional and Enterprise tiers. This ensures that all datasets together reflect a consistent, up-to-date representation of reality. To edit scanning sessions perform the following: 1. Go to **Site Setup>Dataset Management**. 2. Click the **Edit scanning sessions** button. ![Dataset management interface showing storage, overlap options, and scanning session edits.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/edit session.png) 3. The following screen displays a list of NavVis Datasets. - The datasets are organized in descending order chronologically (newest at the top). - By default datasets with the same import date are placed together in the same session. - The datasets in each scanning session are optimized to display the highest quality point cloud without competing with each other. 4. Click the **Move**button and drag the time divider up or down, moving a dataset from one scanning session to another. 5. Click the **+Add scanning session** button to split datasets further into more scanning sessions. 6. Click the **Delete**button to remove a scanning session. [HO](https://player.vimeo.com/video/1122847472?h=128840c02d&badge=0&autopause=0&player_id=0&app_id=58479) 7. Click the **Collapse**button to collapse individual scanning session or click the **Collapse all** to collapse all scanning sessions. 8. Click the **Save & Apply Hide Overlap** button. 9. Click the **Confirm**button. 10. Click the **Publish**button. > [!NOTE] > Note: To quickly toggle between Hide Overlap applied and Hide Overlap removed you can go to the View setting and switch between the two. [Refer here](https://knowledge.navvis.com/docs/exploring-a-site-3). --- ### FAQ #### What is the Hide Overlap feature? The Hide Overlap feature is a cleanup tool used to manage multiple overlapping datasets, providing a clear and accurate representation of reality by reducing unclear images. #### Can Hide Overlap be applied to external 3rd party datasets? No, the Hide Overlap feature is applied exclusively to NavVis datasets. #### How do I apply Hide Overlap to my Site? To apply Hide Overlap, go to Site Setup > Dataset Management and click the Apply Hide Overlap button. #### How long does it take to apply or remove Hide Overlap? The operation may take a few minutes up to an hour to complete. #### Is there a way to update Hide Overlap when new datasets are added? Yes, you can click the Update Hide Overlap button to incorporate new NavVis datasets into the Site. #### What is the purpose of editing scanning sessions? Editing scanning sessions allows data managers to group datasets and optimize the display of point clouds without competition among them. #### Can I quickly toggle between Hide Overlap applied and removed? Yes, you can toggle between the two by going to the View setting. #### What happens to datasets within a scanning session? Within a scanning session, datasets compete only on data quality, while across different sessions, newer scans take priority over older ones.