a program was written in ESRI ArcGIS9.2 software to estimate the total frontal area in the projectedplane normal to the specific wind direction. i didn't find that code plz help
plz read this n help me out how i calculate Equation: λf = Afacets / Aplane
where λf is the frontal area index, Afacets is the total areas of building facets facing the wind direction, and Aplane is the plane area n terms Afacets and plane