AutoCAD Civil 3D General Discussion

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*Jeong, Yeon-Suk
Message 1 of 2 (244 Views)

How to create 3D solid data by boundary representation method?

244 Views, 1 Replies
11-12-2003 08:51 AM
To whom may it concern.

I intends to develop an interface program using ObjectARX library.
The interface program should get a function.
The funtion is to visualize STEP physical file with 3D shape data on AutoCAD
program.
(STEP = STandard for the Exchange of Product model data = Information
Standard of ISO)
- Data structure of STEP physical file is AP203 (configuration
controlled design) EXPRESS schema.
- AP203 EXPRESS schema represents 3D solid model by boundary
representation method.
- That is, the boundary representation method represents 3D solid data
by a collection of boundary surfaces.

I have already created 3D solid data using AcDc3Dsolid classes of ObjectARX
library on AutoCAD program.
But I don't create 3D solid data by boundary representation method on
AutoCAD program.
So I want to know how to create 3D solid data by boundary representation
method using ObjectARX library.
I wish to your rapid response.

Best regards,

Yeon-Suk Jeong
*hjs
Message 2 of 2 (244 Views)

Re: How to create 3D solid data by boundary representation method?

11-12-2003 03:34 PM in reply to: *Jeong, Yeon-Suk
I'm writing a LISP to create a SOLID from the boundary REGIONs (i.e. the
UNEXPLODE-problem). I'm still have troubles if there are BODY-elements, but
for a SOLID bounded by Regions or 3Dfaces mostly it will work already.
In case of interest contact me via
www.black-cad.de
regards
Jochen

"Yeon-Suk Jeong" schrieb im Newsbeitrag
news:EE7D4AA801EE90F5C1535AF6A979B0D1@in.WebX.maYIadrTaRb...
> To whom may it concern.
>
> I intends to develop an interface program using ObjectARX library.
> The interface program should get a function.
> The funtion is to visualize STEP physical file with 3D shape data on
AutoCAD
> program.
> (STEP = STandard for the Exchange of Product model data = Information
> Standard of ISO)
> - Data structure of STEP physical file is AP203 (configuration
> controlled design) EXPRESS schema.
> - AP203 EXPRESS schema represents 3D solid model by boundary
> representation method.
> - That is, the boundary representation method represents 3D solid data
> by a collection of boundary surfaces.
>
> I have already created 3D solid data using AcDc3Dsolid classes of
ObjectARX
> library on AutoCAD program.
> But I don't create 3D solid data by boundary representation method on
> AutoCAD program.
> So I want to know how to create 3D solid data by boundary representation
> method using ObjectARX library.
> I wish to your rapid response.
>
> Best regards,
>
> Yeon-Suk Jeong
>
>

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