I am trying to switch to the new LBT version, and testing whether I can convert existing definitions to the new components. Here is an example of a daylighting simulation (UDI) where I am getting completely different results when using the new tools.
Legacy vs V1 - Daylighting.gh (550.5 KB)
To make sure I’m using the same RADParameters, I have converted the ones from the legacy component to a formatted string for the new component. I have noticed that there are a few parameters that the new component does not accept so I’ve filtered these out: pt, pj, xScale, yScale, av, ps, and sj.
I believe I have set identical occupancy schedules, namely from 8-18h every day.
In the above case I set the ambient bounces to 2, but the LBT V1 simulation output looks like the ambient bounces are set to 0:
If I set the ambient bounces to 0, the LBT V1 results don’t change; the legacy results do change but there is still a discrepancy between the two:
If I detach the RADParams from both simulations (i.e. go with the defaults), I get this:
FYI this is the UDI legend I am using:
What am I missing? Are there other parameters that I have forgotten about? Am I formatting them wrongly for the LBT V1 component?