[Radiance-general] Radiance-general Digest, Vol 156, Issue 2

[Greg Ward]

You can also use gensurf to load height data and convert it to .OBJ format using the -o option.  From there, obj2mesh creates a Radiance triangle mesh as Giulio suggested. 

Cheers,
-Greg

> On Feb 2, 2017, at 12:36 PM, Giuseppe Peronato <giuseppe.peronato at epfl.ch> wrote:
> 
> Hi Giulio,
> 
> You probably want to create a mesh out of the raster model and then save it to obj as suggested by Greg.
> You can use Rhino3D for that. Rhino can import xyz files (you can use the GDAL library for converting the tiff to xyz) and create a mesh from 3D points using the command meshpatch.
> Hope this helps.
> 
> Giuseppe
> 
>> Message: 1
>> Date: Thu, 02 Feb 2017 17:19:53 +0000
>> From: Giulio Antonutto <geotrupes at me.com>
>> To: Radiance general discussion <radiance-general at radiance-online.org>
>> Subject: Re: [Radiance-general] DEM to .rad pipeline
>> Message-ID: <19926BC6-6F91-4C9B-ABA9-A27566533ED3 at me.com>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Best is save to an obj file and then import as mesh with obj2mesh
>> G.
>> 
>>> On 31 Jan 2017, at 22:36, Ian Seiferling <ianseifs at gmail.com> wrote:
>>> 
>>> I am very new to radiance and thus this may come across as a novice or naive question. I hope to use radiance to model daylight on exterior surfaces. The geometry I work with are DEMs typically coming in raster (geotiff) format.