Problem with daylight with Openstudio-Radiance

asked 2021-04-26 09:39:02 -0500

lorenzo.belussi gravatar image

updated 2021-04-27 12:12:11 -0500

Goodmorning everybody, I have a problem with light calculation with Openstudio-Radiance. I'm using Openstudio 3.0.0 with Sketchup 2020. The building is made by 15 thermal zones and 27 spaces but I evaluate only one thermal zone made by a single space. First of all I add the illuminance map and the daylighting control in my thermal zone. I followed two directions: using the "Radiance Daylight Measure" and adding the output "Illuminace Map".

  • Radiance measure doesn't work and the error message is the following: > No such file or directory @ rb_sysopen - numeric/ (Classroom 1.1 is the thermal zone where I applied the illuminance map)
  • When I add the output "Illuminance map" in Openstudio measures, the model runs without problem but at the end I ecounter a problem similar to that presented here: After launching the calculation procedure in Openstudio and reloding the model, the illuminace map is resized or its coordinates modified. Thus I manually modify the coordinates within the "Inspector" and I relaunch the calculation. The new values in "eplusmap" have a "*" mark an map points are outside the zone ( but the map is inside.

Thank anyone who can help me

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