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Surface Smoothing - Exporting .DWG from Revit LT

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peterQWRL6
1445 Aufrufe, 4 Antworten

Surface Smoothing - Exporting .DWG from Revit LT

How do I control the resolution of curved surfaces so that they appear smooth when exporting from Revit LT to .DWG?

When I bring a .DWG file into Revit, the smooth surfaces are faceted instead of smooth. See screen shot. Revit LT is not compatible with Lumion Revit Plug-in.

peterQWRL6_0-1630532243185.png

 

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ToanDN
als Antwort auf: peterQWRL6

ToanDN_0-1630532909960.png

 

Exported as polymesh:

ToanDN_0-1630533295757.png

 

Exported as 3d solid:

ToanDN_1-1630533355206.png

 

 

 

Nachricht 3 von 5
syman2000
als Antwort auf: peterQWRL6

@ToanDNis how I would approach. However not every rendering will make curve display as smooth. I do run into this issue with smaller objects. Screenshot below showcase object made in Revit export as CAD 3d solid. When link them back and render, it give you facet surface.

 

3d solid.png

Check out my Revit youtube channel - https://www.youtube.com/user/scourdx
Nachricht 4 von 5
barthbradley
als Antwort auf: syman2000
Nachricht 5 von 5
peterQWRL6
als Antwort auf: ToanDN

ToanDN,

 

Thanks very much for the suggestion to export solids as ACIS solids. Doing so solved the problem by removing the faceted surfaces on curved surfaces when I  imported the model into Lumion. However, using this option created a problem with material definitions. For some reason, Revit assigned arbitrary material definitions to surfaces, in some cases assigning the same material to surfaces with different material definitions. My work-around was to export two models (one for the majority of the Revit model and one for the important curved surfaces) and then align them in Lumion. The ACIS export still had some seemingly random material definitions when imported into Lumion, but none of those surfaces appeared in the Lumion views.

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