[Radiance-general] monitor model upload in Desktop Radiance

Thomas Seebohm tseebohm at architecture.uwaterloo.ca
Tue Mar 20 18:11:20 CET 2007

The general procedure that I would use is to run Desktop Radiance first 
without the monitor in the scene and then to modify the files that 
Desktop Radiance has produced to include the .rad file for the monitor. 
If the .rad file for the monitor represents a monitor already 
positioned at the right location in the scene (and of the right 
dimensions) then one simply has to add the following line in the .rif 
scene = monitor.rad  and  to add the monitor.rad file to the list of 
rad files that Desktop Radiance has already produced
Assuming the file is called monitor.rad

If the monitor is not scaled correctly and/or not positioned correctly, 
then one must convert the monitor.rad file to an octree first by typing 
the line,  oconv monitor.rad  > monitor.oct, at the  command prompt.
Next you need to create a new .rad file with this octree to position 
and scale the monitor  correctly. This new text file would have the 
following lines:
void instance monitor1
13 monitor.oct -s 1.0000 -rz 0.00000 -rx 0.0000 -ry 0.0000 - t 0.0000 
0.0000 0.0000

where the number after the -s represents the scale factor
the numbers after the -rz, -rx, -ry represent the rotations (probably 
in degrees)
and the three numbers after the -t represent the x,y,z translation of 
the monitor to the right location in the scene
This new rad file should then be included with the list of rad files 
that Desktop Radiance has already included and, as above, the following 
line should be added to the rif file:
scene = monitornew.rad
where monitornew.rad is the new rad file.
In order to do this you will, of course, need to find out where Desktop 
Radiance stored the files it created.
Lastly, after you have made all these changes, you need to run Radiance 
from the command line rather than from the Desktop Radiance menu.
In know this sounds a bit complicated but only if you are doing it for 
the first time. You do this by clicking on the last .bat file that 
Desktop Radiance created.

On Mar 20, 2007, at 9:44 AM, Gregory J. Ward wrote:

> As I understand it, Mohamad is asking how to incorporate a model 
> already in Radiance format into a Desktop Radiance scene.  There must 
> be a back door or some trick, but I don't know anything about DR.
> -Greg
>> From: "Mark de la Fuente" <MdelaFuente at wmtao.com>
>> Date: March 20, 2007 6:06:43 AM PDT
>> Are you asking for a radiance to autocad geometry converter?  That I 
>> know of, there are only tools for exporting TO radiance, not from.  
>> You might be better off either drawing your own cad furniture or 
>> downloading furniture off the internet.  If you use the regular 
>> radiance, you could combine both exported cad geometry as well as 
>> radiance geometry (from some library) into your scene.
>> Mark
>> From: Mohamad Tarek Araji <maraji2 at uiuc.edu>
>> Date: March 19, 2007 9:36:26 AM PDT
>> Dear all,
>> If at all possible, could you please help on that.
>> I'm in the process of modeling an office space in Desktop Radiance. 
>> Greg provided for me an accurate monitor model as part of the 
>> furnishing to be incorporated in this space. The monitor is a .rad 
>> file format. I didn't get the chance to insert the file in the cad 
>> system. I asked Greg about this and he doesn’t know enough about 
>> Desktop Radiance to advise me on how to incorporate the monitor in my 
>> model. Is there an advice that might help. The option of accessing 
>> the file using the furnishing folder in the radiance menu (by 
>> uploading the monitor in the library) didn't work.
>> Is there is an efficient way to upload the monitor into my Desktop 
>> Radiance model.
>> With thanks and you are much appreciated.
>> Respectfully,
>> Mohamad
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