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I need to estimate hourly solar irradiance on building envelopes (one value - average solar irradiance of all the walls and the roof) for each building in the urban neighborhood. I understand that annual solar irradiance could be captured in terms of sun hours, not on a building level but at the pixel level using Rhino-Grasshopper. However, I am not sure how the hourly value can be estimated for a complete year for all the buildings in an urban neighborhood. Any thoughts would be highly appreciated.

I need to estimate hourly solar irradiance on building envelopes (one value - average solar irradiance of all the walls and the roof) for each building in the urban neighborhood. I understand that annual solar irradiance could be captured in terms of sun hours, not on a building level but at the pixel level using Rhino-Grasshopper. However, I am not sure how the hourly value Any geospatial technique/tool which can be estimated for a complete year for all the buildings in an urban neighborhood. Any thoughts would be adopted offers this? A suitable reference is highly appreciated. appreciated

I need to estimate hourly solar irradiance on building envelopes for each building in the urban neighborhood. Any geospatial technique/tool which can be adopted offers this? A suitable reference is highly appreciated