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Variables List: Phase 1 & 2 variable list.


Radiance Scripts

Illuminance Scale used in Plan View
Luminous Scale for Section and Panoramic Views

The scripts used to create Radiance renderings for eLAD are written in the C Shell, Python, and AWK. The scripts may be run directly in any unix-like environment, or as batch jobs in the Portable Batch System. They are located in the “scripts” directory of the Radiance scripting folder.


The simulation scripts are divided into two main groups. The first group contains scripts that are used to run simulations: run.csh and its subsidary scripts. The second group supports the simulation scripts: some generate the files and directories that are used by the first group, such as gen_runset, which generates a directory containing a set of runs, and gen_rif_file, which generates a Radiance control script. There are also a small group of scripts that are specific to the cluster we used as a rendering farm, a few scripts used to organize JPEG files for use by the eLAD Player, and some scripts that were used to rerun specific simulations that for one reason or another failed. For example, run19-114 runs a specific set of simulations and groups them into three per node.


Briefly, the simulation process is as follows: first, gen_runset is used to create simulation case directories named after simulation case codes, which depend on the selected simulation variables, “d1-g1-n1-s1-t1-i1-e1-w1-r1-p1-f1-z1-l1-c1” for example. These simulation codes are then linked with shorter case numbers such as “C00001”. Run.csh is then used, either directly or as a batch job, to run the actual simulations. Run.csh defines the main structure of the simulation process by first setting up a working directory and then defining the path to the directory depending on the case number. When a set of parameters such as the number of cores and the lighting controls is defined, the run.csh script generates the Radiance control script by calling the gen_rif_file. Finally it sets up the selected views to render. When images are generated, gather_jpegs gathers all the jpeg renderings into a single “jpegs” directory and the dist_jpegs script distributes them to a Builder/Player directory tree based on the eLAD platform structure.

3D Models

Building Models

Interior Models


Furniture models adapted from Herman Miller's Canvas Office Landscape line. Users of eLAD may not extract the Herman Miller 3D models and use them outside of the eLAD platform without prior written approval from Herman Miller.


Two light models are used for Phase 1:

  • 2000 Vintage - Recessed 2'x4' open cell parabolic
  • 2010 Vintage - Suspended direct-indirect ambient with articulated desk lamps
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