# Wind Effect (Windward / Leeward Index)

J.Boehner, A.Ringeler (c) 2008, O.Conrad (c) 2011

## Parameters

Grid system
Grid system
  Grid system
Elevation
Input Grid
Wind Direction
Input Grid
Wind Speed
Input Grid
Wind Effect
Output Grid
Windward Effect
Output Grid
Leeward Effect
Output Grid
Constant Wind Direction [Degree]
Floating point
  constant wind direction to be used if no direction grid is given
Old Version
Boolean
  use old version (no acceleration option) with constant wind direction
Search Distance [km]
Floating point
Acceleration
Floating point
  Minimum: 1.0
Use Pyramids
Boolean
Wind Direction Units
Choice
  Available choices: radians, degree
Wind Speed Scale Factor
Floating point