[esp-r] Non-rectangular obstruction block

[Per Haugaard]

Hi,
 
I am working in ESP-r version 11.4 modeling a building with a large non-rectangular roof which shades the south facaing facades.
 
I read in a prior mail from Jon, that obstruction blocks can be modelled with 6 sides. This seens hardli possible when looking at the .obs file. 
 
My question is how can I model an obstruction block or shading which 5 or 6 sides?
 
 
 /Per

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