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Revit Import

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14 minutes ago, zoomer said:

I can understand this for "IFC Entities",

as those shouldn't be manipulated after import by design.

But for a standard Import like Revit, DWG, DXF, .... ?

 

Revit import is not a standard import; it is more like IFC import. The goal is to have parametric object at the end, which is currently limited by the present ODA Platform implementation. We add to the created on import Revit Entities all available parameters and also the necessary IFC records so that entity could be properly exported to IFC. But if you wish, you could ungroup the entities.

 

25 minutes ago, zoomer said:

The Symbols I get in from Revit,

when I do any Manipulation and leave Edit Mode,

always bring a Warning that there is anything wrong in its content

and VW asks about deleting it.

 

This issue is something that we are currently working on.

 

26 minutes ago, zoomer said:

As my Glass Panels in Curtain Walls are all just the same Symbol,

no matter which opening size they are in.

 

This again is caused by ODA library limitations.

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Very appreciated that you joined the discussion Vasil.

 

You excluded my "which can't be translated into VW PIOs"

Couldn't these be just the Solid Additions ?

 

20 minutes ago, Vasil Kitanov said:

Revit import is not a standard import; it is more like IFC import

 

Is it ?

Yes, IFC imports should not be touched by design. You should ask the author to make changes.

But I heavily insist on misusing IFC as a standard Exchange or Import Format too.

As it looks like it is, or will get, a more lossless Exchange format than most other proprietary

solutions available from the past.

 

If RVT Import is meant IFC like.

Why not just make Revit users to export IFC.

Isn't it is much easier to keep parametrics and minimize loss from the open source format ?

 

In my case I would really like to bring in as much parametric from these Revit files of course.

As it is the only data I got unfortunately so far.

And so far I see it isn't that bad.

Walls are already pretty fine !

Style information, Connections, ... I am really impressed.

Doors, even Doors in Walls with Styles.

Although it looks like at the end the Doors Style just contains a non parametric Symbols.

Some Slabs got in, while I wonder why they use one of my Slab Styles from my File Template.

 

These VW PIOs and the rest of all these Solid Additions already helps a lot.

I got this after cleaning up most of that exploded 2D stuff (into microscopic sized 3D Polygons)

which meanwhile reduced the VW Files Size from about 2GB to 500 MB.

 

So basically the 3D Poly explosion is by far the worst culprit,

over all smaller issues such as losing parametric here and there.

And I think that is something, not too complicated (?), to solve in the future.

 

 

There are still a few oddities in Revit and its users that are hard for my ArchViz needs

or what VW users normally wouldn't do.

Like Walls interrupted between every Room, because they may need different surface finish

(and so would need a different Wall Style in VW).

Or their Grid Ceilings where each Frame Bar around Panels is a separate Part but no

Symbol (or Family) Instances were used.

But even if that makes sense to have each different Part as its own Family Member

for part calculations and such, I don't really see a meaning in Revit cutting every vertical

Curtain Wall Post because in one or other CW grid field may be a Door that may need that

cut. In Revit I see all other posts cut at all these heights !?

 

While I learned that the annoying cuts of any story exceeding Part at Story level plane

is just a "Feature" that can be deactivated for a DWG export.

So no strange Revit behavior used internally.

 

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55 minutes ago, Vasil Kitanov said:

This issue is something that we are currently working on.

 

It is not such a huge issue, since I learned I will not miss anything after auto deleting.

At first I misread that my Symbol would be corrupt and accepting would delete all Instances ....

But of course it is better if I don't need to care about it again.

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