Revit Tutorial - Toposolid and Cutting Topography No Building Pad Revit 2024

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Introduction
Revit 2024 introduces significant changes to how topography is handled, shifting from the traditional Topo surfaces to Topo solids. This update requires new methods for creating and managing topography, particularly for integrating building designs. This article provides a detailed overview of these changes and offers a step-by-step guide to using void extrusions to shape Topo solids effectively.
Key Changes in Revit 2024
Transition from Topo Surfaces to Topo Solids
In Revit 2024, topography is no longer treated as a flat element known as a Topo surface but as a solid. This change affects how designers work with topography, especially in creating building pads. While building pads are now obsolete, treating topography as a solid allows for more versatile and precise shaping of the terrain.
Impact on Building Pads
Building pads, previously used to level out terrain for building placement, are now replaced by void extrusions that cut into the Topo solid. This method provides greater control and flexibility, allowing designers to fit buildings into the landscape more accurately.
Step-by-Step Guide to Shaping Topo Solids
Initial Setup
Create a Generic Topo Surface:
Start with a generic Topo surface in your Revit project.
Increase the thickness of the Topo surface to around 10 meters for better manipulation.
Assign Material:
Change the material of the Topo surface to 'Earth' for a realistic representation.
Creating Void Extrusions
Model in Place:
Use the "model in place" feature and select "Topo solids" as the category.
Name the model appropriately (e.g., Topo cut).
Create Extrusions:
Create a series of extrusions to cut out the desired areas from the Topo solid.
Use the pick line tool to select the walls of the building and outline the areas to be cut.
Adjust Extrusion Parameters:
Extend the extrusions slightly above and below the desired cut area for a clean cut.
Change the extrusion type from a solid to a void and apply the changes.
Cutting the Topo Solid
Cut the Topography:
Use the cut tool to select the void extrusion and the Topo solid.
This action will cut the Topo solid according to the shape and size of the void extrusion.
Fine-Tuning:
Adjust the size and position of the void extrusion as needed to fit the building design.
Ensure that the cut areas align properly with the building's footprint.
Integrating the Building Design
Create Floors:
After cutting the Topo solid, create a floor in the newly cut area.
Ensure the floor thickness matches the cut depth for a seamless fit.
Additional Adjustments:
Make any necessary adjustments to the topography around the building.
Add steps, ramps, or other features to integrate the building design with the landscape.
Conclusion
The transition from Topo surfaces to Topo solids in Revit 2024 offers new opportunities for managing topography with greater precision and flexibility. By using void extrusions to cut and shape Topo solids, designers can create more accurate and integrated building designs. This step-by-step guide provides the foundational knowledge needed to adapt to these changes and effectively use Revit 2024's new topography features.
Stay tuned for more tips and updates on using Revit 2024 to enhance your design projects.

[@J0essica303]

Thank you exactly what I was after!!!

[@BrissyFan321]

Amazing. Thanks heaps mate

[@alixj.5916]

thank you for this

[@CorbinPattenDesigns]

You are welcome. Glad it helped.