LB generate point grid mesh has null vector

Hi Ladybug team,

I have a question, the mesh generated by LB generate point grid mesh has no vector assigned to the faces in the rhino mesh it self. How can I assign the normal to the rhino mesh? It is causing problems sometimes when I combine LB workflow with my custom scripts. Also, when I want to display the normal I get to have displaying problems

It is showing black

instead of this

Thank you for your help

Hi @HamidrezaSh, are you able to share your script / code / model? Happy to have a look

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