Sun shades calculator error:"solution exception: exception Point3d, got NoneType"

[Alex_Huang]

Hello,

I try to use sun shades calculator, and it always show “solution exception: exception Point3d, got NoneType” or “No enough intersection points to calculate the shading surface.”

I downloaded the example file through Hydra:
SunShadesCalculator (hydrashare.github.io)
I tried to use the original components in the file. Also, I replaced all the components with those from ver1.7.0 (except for the Sun Shades Calculator itself). Neither of them worked.

Meanwhile, I tried Shading Designer file through Hydra, and it can run smoothly. I think there were no missing files or errors during my installation of Ladybug.
[image]
Shading_Designer (hydrashare.github.io)
I install ladybug tools through pollination, the ladybug tools version is ver1.7.0, including LB-Legacy (ver0.0.69)

Is there any method to solve the problem of sun shades calculator, or there are
any new alternative to use?

Thank you!

[AbrahamYezioro]

The sunshades_calculator is not ported to LBT. It needs to be overhauled for that.
Please upload the script you are working on for debugging (or even better, a simplified version of it).
-A.

[Alex_Huang]

Do you mean the .gh file?
SunShadesCalculator.gh (490.1 KB)

[AbrahamYezioro]

Sorry for the delay.
The problem was caused not by the component but by the wrong link to the EPW file. Like so:

The sun vectors output was Null and that’s why it didn’t work. Once you provide a valid link, it works fine.

Edit: Looking at the error you mentioned above, it means that you tried to use a Shading Surface to calculate on it the cutting geometry. If that surface didn’t intersect any of the sun vectors it gives you this error, that BTW is a warning (orange color).
The fie you uploaded was the one in hydra and not the one you get the error.
-A.