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Revit vs Revit LT

Revit vs Revit LT - Your Questions Answered

RevitLT Single Coordinated ModelFollowing on from some very well attended Revit LT webinars our resident BIM expert Kieth Deaney answers some of the most popular questions regarding the differences between Revit and Revit LT.

These come from users that already have Revit deployed but would also like to expand to additional users in the business, but also from potential new users who are finding their way into the BIM environment or are exploring 3D modelling for the first time.

Some terminology may be unfamiliar to potential new users, but if you have any queries please do not hesitate to get in touch and we'll be happy to help with your questions.

Revit vs Revit LT

Basic Revit LT Functionality

Working on Revit Projects in Revit LT

Revit LT can do the following:

• Open a project that was created using Revit.
• Use Revit LT to modify the project, continuing the design process.
• Save changes to the project.

You can then open this project in Revit and have access to all Revit tools and functionality.
A project can go back and forth between Revit and Revit LT, being opened, modified, and saved.
Note: Some Revit functionality is not available in Revit LT.

Updating Workshared Projects in Revit LT

• A Revit project that has been split to create a workshared project can be opened using Revit LT.
• Using Revit LT, only one user can work on a project at one time.
• Users cannot open a workshared project in Revit and Revit LT simultaneously.

A workshared project can be revised using Revit LT and later opened in Revit again.

Using Revit LT to Add and Modify Elements in Revit Projects

When working in a project that was created using Revit, Revit LT can:

• Add elements that are supported by Revit LT.
• Add instances of families that were loaded into the Revit project (even if categories are not generally supported by Revit LT).
• Move elements that were created using Revit but that are not supported by Revit LT, such as (not a complete list):

o Adaptive components
o Assemblies and parts
o Panel-based curtain elements

• Move and modify the following elements created using Revit:

o Stairs by sketch
o In-place elements
o Masses

The Revit LT user cannot do the following:

• Load additional families for unsupported categories into the project.
• Copy and paste elements from a linked model into the project.

Design Options in Revit LT

Revit LT can use Design Options.

By default, Revit LT disables design options. To enable design options, change the setting on the User Interface tab of the Options dialog.

When enabled, design options work in Revit LT as in Revit. If you use Revit LT to open a Revit project that includes design options, but design options are disabled in Revit LT:

• You can change view settings to see the different design options that are available.
• You cannot create, modify, or delete design options.
• You cannot change the active design option

More Advanced Revit LT Functionality

View Templates in Revit LT

Revit LT supports the use of view templates. When you use Revit LT to open a Revit project, view template settings for filters, worksets, and RVT links apply, even though they are not normally supported by Revit LT.

When you open a Revit-based view template in Revit LT, Revit-based settings display only if their default values were changed. You can select or clear the Include check box to enable or disable those settings. However, you cannot change any Revit-based settings. You can only change view template settings that Revit LT supports.

Transferring Project Standards from Revit to Revit LT

You can use the Transfer Project Standards tool to transfer settings from a Revit project to a Revit LT project.
Revit LT ignores any settings that it does not support.

Shared Coordinates and Linked Models in Revit LT

Revit LT can link a Revit model or a DWG model to the project.
If the links use shared positioning:

• Revit LT treats the links as if they are pinned in place. You cannot move them.
• If the survey point:

o is clipped to the shared coordinate system (using Revit or Revit LT), then Revit LT treats the survey point in the project as if it is pinned in place. You cannot move the survey point.
o is not clipped, then you can move the survey point without affecting links or shared coordinates.

• For any elements that are pinned by shared coordinates:

o The element names are appended with Pinned by Shared Positioning. This suffix displays on the status bar and in the drawing area when you move the cursor over an element or select it.
o These elements cannot be moved or unpinned.

Views and Visibility/Graphics in Revit LT

Some functions for views and visibility/graphics are available in Revit but not in Revit LT.

When you open a Revit project in Revit LT, the following functions are not available:

• Ray trace visual style
• Selection sets
• View filters
• Sun path
• On the Visibility/Graphics dialog: Worksets tab/Filters tab
• On the Revit Links tab, the Display Settings column (In Revit LT, the Visibility, Halftone, and Underlay settings are available for links.)
• Physical and thermal properties of materials (Graphics and appearance properties are still available for materials.)

Parameters in Revit LT

In general, Revit LT supports project parameters and shared parameters for its element categories.
You can use Revit LT to open a Revit project that defines parameters for unsupported categories. The parameters display correctly in existing tags and schedules.

However:

• These parameters do not display in the Properties palette.
• These parameters are not available when creating tag families or new schedules.

In-Place Elements and Revit LT

Revit LT can move and modify in-place elements.
However: cannot create in-place elements in Revit LT.

Masses and Revit LT

Revit LT can open a Revit project that contains masses.
To see masses in a view:

1. Click View tab / Graphics panel / (Visibility/Graphics).
2. On the Model Categories tab, for Filter list, select Display categories from Revit and Revit LT.
3. In the Visibility column, select the check box for Mass.

Revit LT can do the following:

• Move masses and modify their shapes using shape handles.
• Use the Family Editor to modify the mass family.

However: cannot do the following:

• Edit masses using the Edit tools.
• Create building elements (walls, floors, roofs, curtain walls) from mass faces.
• Create mass families.

Point Clouds and Revit LT

Revit LT can open a Revit project that contains point clouds. In Revit LT, use the Visibility/Graphics dialog to show or hide the point clouds. However, you cannot modify the point clouds.

Copy/Monitor and Revit LT

Revit LT cannot use the Revit Copy/Monitor tool. If you use Revit LT to open a Revit project that uses Copy/Monitor:

• If project changes result in Copy/Monitor violations, warnings indicate that a coordination review is required. To perform the coordination review, open the project in Revit.
• If you click an element, Revit LT does not indicate whether it is monitored.
• You can use the Reconcile Hosting tool to rehost elements or tags that become orphaned.

Hopefully the above gives you a good overview of the principle differences between Revit vs Revit LT but if you are an existing user or new user and require further help we run a number of Revit training courses which may be of interest as well as offering BIM consultancy services via the Adris professional services team for clients needing to explore Revit workflows at a deeper level.

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