Windfarm Visualisations follow Scottish National Heritage’s (SNH) Visual Representation of Windfarms (2014)
http://www.snh.gov.uk/planning-and-development/renewable-energy/visual-representation/
and/or
The Highland Council Visualisation Standards for Wind Energy Developments (2013)
http://www.highland.gov.uk/downloads/file/1026/the_highland_council_visualisation_standards