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[SR] Materials lost after using section box in Revit while using LiveSync.

[SR] Materials lost after using section box in Revit while using LiveSync.

[SR] Materials lost after using section box in Revit while using LiveSync.

1. Question:

1.1. A user reports that using the Revit section box causes materials to disappear when stopping and starting LiveSync again. In other words, Lumion 'forgets' the Materials outside the box after resyncing.

2. Standard Reply:

2.1: Answer:

What happens is that LiveSync, after stopping and resuming the connection, considers the geometry that is now visible as a completely new element, therefore 'forgetting' the original Material Assignment.

It's not that Lumion erases the Material assignments. It's simply that LiveSync, after a restart, detects the newly visible element as new geometry. It will not remember that element's previous Material since it is a new session, and the element was not visible when that new session was started.

Note that it's not just the Section Box in Revit, that also happens with other 3d software. For example, the same happens in AutoCAD if you use a section plane.

3. Cause/Background information:

3.1: References:

https://lumion.zendesk.com/agent/tickets/32291

https://lumion.zendesk.com/agent/tickets/40146

 

==========================================

ARTICLE SUPPORT (from transfer to HubSpot):

1. Tables:

Tables were not able to be imported via HubSpot Importer. Any Tables in this article are now based on a DIV Conversion. Same is also the case for the transfer of articles with tables in the EKB.

You can add new (basic) Tables in the HubSpot Editor directly.

If the layout does not work, then you can copy/paste or recreate the old Table from ZD. Where possible the Table has also been copy/pasted from the source page (see link below in 3.). Instructions, see this article: Copying an old Zendesk Table over to HubSpot

2. Finding the reference to the old Zendesk Ticket in HubSpot:

Use this Support article:  Finding the reference to the old Zendesk Ticket in HubSpot

and for ZD ticket Search in HubSpot following step 1 in above article:

3. Source Zendesk article:

A source and backup copy was made of all articles 9 June 2025.

The saved HTML files and images are in subfolders of: HTML files and images subfolders.

See also Support article in 2 above.

Backup/copy article: [SR]%20Materials%20lost%20af...%20(5729300245020).html

4: Quick Link to Zendesk IKB article:

(not available when Zendesk closed)

[SR] Materials lost after using section box in Revit while using LiveSync.