[Radiance-general] Re: Radiance-general Digest, Vol 56, Issue 4

[kkonis at berkeley.edu]

When you export 3d geometry from rino you have a choice of the file type
(3d studio, dxf etc) and you also have the choice (a slider bar) of how
much detail to export for complex surfaces. If the stuff that's in your
masterplan is rectilinear (i.e. not a bunch of NURBS objects) then this
slider should be almost all the way to the left (for less detail). That
might be where all those triangles are coming from, as rino is designed to
model complex shapes like sailboat hulls, it has to reduce its curvy
objects to faceted objects (so other programs can read them) and if it
adds too many triangles then the file will be unnessicarily large for what
you want to do.

is it a DXF file?  It probably should be. (just a guess : )  )

Also, how large is the file size? Maybe you can ask for your architect to
supply you with several exports, low, med and high file size exports of
the same geometry.

It's been a few years since I have used rino extensively so i hope this
helps.

-Kyle

******************************************
Kyle Konis
PhD Student
Lawrence Berkeley National Lab (LBNL)
UC Berkeley Center for the Built Environment (CBE)
206.303.9786
******************************************


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> Today's Topics:
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>    1. rhino - ecotect - radiance issues (Cramer Silkworth)
>    2. AW: [Radiance-general] rhino - ecotect - radiance issues
>       (Kai Babetzki)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 10 Oct 2008 18:48:07 +0200
> From: "Cramer Silkworth" <silkworth at transsolar.com>
> Subject: [Radiance-general] rhino - ecotect - radiance issues
> To: <radiance-general at radiance-online.org>
> Message-ID:
> 	<FE872D9C4591BF44AAFD986BF73368FF03193A2B at webmail.transsolar.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi All,
>
> I've got a model from an architect, built in Rhino, that I need to get
> into Radiance. Typically we do this via Ecotect, exporting 3ds files
> from Rhino, importing into Ecotect, and using Ecotect to generate my rad
> files. However, this model is just a mess once it's imported into
> Ecotect - even the flat facades are a mess of triangles, and the reduce
> coincident triangles/polygons command is all but worthless. The Rhino
> model is actually fairly complex, it's a masterplan with 20 or so
> towers, but even doing just one building is going to take me a day to
> clean up. Does anyone have any suggestions?
>
> Thanks,
> Cramer
>
>
> J. Cramer Silkworth
>
> Transsolar Climate Engineering
>
> Technical consulting for energy efficiency and environmental quality in
> buildings.
>
> 145 Hudson Street
>
> Suite 402
>
> New York, NY 10013
>
> Office: 212-219-2255
>
> Mobile: 347-283-2547
>
> silkworth at transsolar.com
>
>
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> Message: 2
> Date: Fri, 10 Oct 2008 18:57:21 +0200
> From: "Kai Babetzki" <babetzki at transsolar.com>
> Subject: AW: [Radiance-general] rhino - ecotect - radiance issues
> To: "Radiance general discussion"
> 	<radiance-general at radiance-online.org>
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> 	<FE872D9C4591BF44AAFD986BF73368FF029953FD at webmail.transsolar.com>
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>
> Hi Cramer,
>
> try obj2rad. Therefore you simply have to export parts of the model as
> Wavefront(*.obj) in rhino.
> Then you can convert them with:  obj2rad  *.obj > *.rad.
>
> Afterwards it's pretty simple and fast to import these *.rad files into
> ecotec again.
>
> Kind regards,
> Kai
>
>   _____
>
> Von: radiance-general-bounces at radiance-online.org
> [mailto:radiance-general-bounces at radiance-online.org] Im Auftrag von
> Cramer Silkworth
> Gesendet: Freitag, 10. Oktober 2008 18:48
> An: radiance-general at radiance-online.org
> Betreff: [Radiance-general] rhino - ecotect - radiance issues
>
>
> Hi All,
>
> I've got a model from an architect, built in Rhino, that I need to get
> into Radiance. Typically we do this via Ecotect, exporting 3ds files
> from Rhino, importing into Ecotect, and using Ecotect to generate my rad
> files. However, this model is just a mess once it's imported into
> Ecotect - even the flat facades are a mess of triangles, and the reduce
> coincident triangles/polygons command is all but worthless. The Rhino
> model is actually fairly complex, it's a masterplan with 20 or so
> towers, but even doing just one building is going to take me a day to
> clean up. Does anyone have any suggestions?
>
> Thanks,
> Cramer
>
>
> J. Cramer Silkworth
>
> Transsolar Climate Engineering
>
> Technical consulting for energy efficiency and environmental quality in
> buildings.
>
> 145 Hudson Street
>
> Suite 402
>
> New York, NY 10013
>
> Office: 212-219-2255
>
> Mobile: 347-283-2547
>
> silkworth at transsolar.com
>
>
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