Setting Up a Rhino Model for Daylight Analysis

The following includes information about proper set-up of the Rhino model for use with the toolbar. To make sure that all geometry is being used in the analysis, it is a good idea to first run the “Visualization” Metric, and to examine the image for unexpected problems such as “holes” or gaps.

 

If you do not have a rhino model available, the Gund_111.3dm model can be downloaded.

 

Units
It does not matter what units are used for the Rhino modeling: meters, millimeters, inches, feet, parsecs, etc.

 

Orientation
It is important that your project is oriented properly within Rhino with regards to North. In Rhino, as most other software, North is the top of the screen when viewing the model in a “Top” or “Plan” view such that the positive Y-axis is North.

 

Layers
DIVA does not require any specific naming conventions for layers; however, materials will be associated by layer, so you can't keep geometry with different materials on the same layer.

 

Layer panel showing DIVA-Created Layers


DIVA Layers

When you run the DIVA Location button, several DIVA layers are created. These layers store the various nodes, node values, grid and legend information that DIVA generates.


Hidden Layers
Layers turned off will not be exported.


Locked Layers
Locked layers will not be exported.


Sublayers
There are no restrictions to using sublayers.


Ground Plane
A ground plane should always be modeled and assigned a DIVA material.


Geometry
Models can be built using surfaces, polysurfaces and/or meshes, although all geometry is "invisibly" converted to temporary meshes through the DIVA process. Complicated geometry can be "pre-meshed" before running the metrics.


Thickness
Glass should be modeled using single surfaces, as opposed to polysurfaces or solids.


Visibility, Locking and Hiding Layers
Only geometry on visible, unlocked layers will be exported to Radiance. Keep this in mind when running simulations.

Remember to always check that your geometry is being exported correctly by running the “Visualization” Metric and performing a visual check.



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