View Single Post
  #14  
Old Posted Jan 15, 2021, 6:21 AM
WhipperSnapper's Avatar
WhipperSnapper WhipperSnapper is offline
I am the law!
 
Join Date: Sep 2002
Location: Toronto+
Posts: 21,909
It's aerial photography from planes and drones put through GIS mapping software. ESRI is, by far, the largest provider.


Measuring from google earth or other GIS providers will give you a truer height of a structure from a specific point than most official sources. It has become extremely accurate. Lattice shouldn't be any issue.
Reply With Quote