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Calculating building external wall from shapefile

Question asked by Sara_Nazli on May 4, 2016
Latest reply on May 12, 2016 by xander_bakker

Hi GIS-people ;-)

I'm a master student and new on this forum. I appreciate any help of yours.

I have two data set (attached):

  • Shapefile of buildings containing the height of each building as well.
  • A parcel shape file. Several buildings are assigned to a single parcel.

I am interested in calculating the sum of the surface of external walls of buildings (m2) in each parcel. In other words, I want to know how square meters (m2) of external walls I have in each parcel. However, it is important for me to exclude those walls which are in common in between of buildings. For instance, if two buildings with the heights of 10 m and 6 m are attached from one side, the goal would be to include 4 m of the 10 m external wall and exclude the 6 m which both walls are attached with each other.

I hope I was successful in describing the question. Thanks for your responses in advance.

Cheers,

Sara

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