[Radiance-general] Formatting Geometry in Rhino to use genBSDF

[Germán Molina Larrain]

Hello Stephanie,

First, I want to clarify that genBSDF uses Radiance format as input, which
is not the same as MGF. Actually, MGF is a format with some really cool
features, but rarely used (unfortunately?).

Anyways... Any tool that exports Radiance or MGF formated geometry (which
is also readable by Radiance) is useful for generating input for genBSDF.
That said, I do not use Rhino, but probably DIVA and Honey Bee or Ladybug
can help you on that. Otherwise, there are some SketchUp plugins for
exporting Radiance geometry,  which is a tool that allows importing several
3D formats. Finally, I have read several times about Radiance using .OBJ
through obj2rad program. I understand that this format is also common, but
not suited to model physically realistic materials.

So... I think you have several choices. I am pretty sure all these formats
are able to model any required geometry, and that the choice you make will
be a matter of how easy is to "draw" it.

Regarding how to input this geometry into genBSDF, you have to place the
width of your "window" along the X axis, Height along the Y axis and inside
is towards Z axis (i.e. Up). Any geometry over the Z axis is inside the
space and will emit a warning. Read the tutorials for more information on
this!

I hope it helps

best,

Germán

El 6 feb. 2017 23:07, "Stephanie Truong" <stephanie at dosu-arch.com> escribió:

Hi,

I am attempting to run genBSDF, and was wondering if there is a workflow
that allows the use of Rhino/NURBs geometry to convert into MGF format?
Ultimately, I am trying to create a BSDF.xml file of a complex shading
system. The system is made up of small units which are doubly curved,
gradated (depending on orientation to the sun), and symmetrical on one
axis. I am unsure if the MGF format is able to model that type of geometry,
so it would be helpful to understand how to model geometry to input into
the genBSDF command. Let me know if I need to clarify or provide more
information. I'm relatively new at this, and any help would be appreciated!


Thank you in advance,
Stephanie Truong
DOSU | studio architecture


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