Hello!

How does one go about dynamic shading for DIVA when using Grasshopper.  It seems you can add the shade geometry and assign materials, but doesn't this mean the shades are on for the whole year regardless if direct light is/is not hitting your nodal points(s)?

How does one account for different shading condition, say no shades, half way down shades, then full down shades?  I know this can be done with the toolbar but is there a way to do this with DIVA in Grasshopper, or transfer the data from the toolbar run into the DIVA component in Grasshopper?

Also, what is the default wattage for lighting controls in viper (I do know you can control the lux)?

Thank you,

Reinhardt

Tags: dynamic, grasshopper, lighting, shading, toolbar, viper, wattage

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Hi Reinhardt,

Dynamic shading is not available in the daylight grasshopper component. You could run separate simulations for each of your variants in grasshopper and then build a resulting hourly illuminance profile based on a criteria of your choosing (illuminance threshold at a given node, time of day, solar angle....).

The default lighting power density for Viper is 11.74 W/m2.

Jeff

Jeff,

Thanks for your help.  Much appreciated,

Reinhardt
 
jeff niemasz said:

Hi Reinhardt,

Dynamic shading is not available in the daylight grasshopper component. You could run separate simulations for each of your variants in grasshopper and then build a resulting hourly illuminance profile based on a criteria of your choosing (illuminance threshold at a given node, time of day, solar angle....).

The default lighting power density for Viper is 11.74 W/m2.

Jeff

Jeff,

Would you mind sharing how to write a custom script to plot energy simulations through Viper in Grasshopper?

Thanks for your continued help,

Reinhardt
 
jeff niemasz said:

Hi Reinhardt,

Dynamic shading is not available in the daylight grasshopper component. You could run separate simulations for each of your variants in grasshopper and then build a resulting hourly illuminance profile based on a criteria of your choosing (illuminance threshold at a given node, time of day, solar angle....).

The default lighting power density for Viper is 11.74 W/m2.

Jeff

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