topic Re: a program to estimate total frontal area in projected plane . in Python Questions https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106637#M8233 <HTML><HEAD></HEAD><BODY><SPAN>plz read this n help me out how i calculate Equation: λf = Afacets / Aplane</SPAN><BR /><BR /><SPAN>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 </SPAN><BR /><SPAN>n terms Afacets and plane</SPAN></BODY></HTML> Thu, 27 Feb 2014 15:28:36 GMT yogitatyagi 2014-02-27T15:28:36Z a program to estimate total frontal area in projected plane . https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106635#M8231 <HTML><HEAD></HEAD><BODY><SPAN>a program was written in ESRI ArcGIS9.2 software to estimate the total frontal area in the projectedplane normal to the specific wind direction.&nbsp; i didn't find that code plz help</SPAN></BODY></HTML> Mon, 27 Jan 2014 09:03:13 GMT https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106635#M8231 yogitatyagi 2014-01-27T09:03:13Z Re: a program to estimate total frontal area in projected plane . https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106636#M8232 <HTML><HEAD></HEAD><BODY><SPAN>Can you clarify a little more? Something like the image below, with the arrows being wind vectors, and you want the area of the yellow surface?</SPAN><BR /><A href="http://en.wikipedia.org/wiki/File:Surface_normal.png">http://en.wikipedia.org/wiki/File:Surface_normal.png</A></BODY></HTML> Mon, 27 Jan 2014 17:17:39 GMT https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106636#M8232 MattSayler 2014-01-27T17:17:39Z Re: a program to estimate total frontal area in projected plane . https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106637#M8233 <HTML><HEAD></HEAD><BODY><SPAN>plz read this n help me out how i calculate Equation: λf = Afacets / Aplane</SPAN><BR /><BR /><SPAN>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 </SPAN><BR /><SPAN>n terms Afacets and plane</SPAN></BODY></HTML> Thu, 27 Feb 2014 15:28:36 GMT https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106637#M8233 yogitatyagi 2014-02-27T15:28:36Z Re: a program to estimate total frontal area in projected plane . https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106638#M8234 <HTML><HEAD></HEAD><BODY><P>How can we download and use this toolbox? Thanks.&nbsp;</P></BODY></HTML> Tue, 12 Sep 2017 20:15:10 GMT https://community.esri.com/t5/python-questions/a-program-to-estimate-total-frontal-area-in/m-p/106638#M8234 XuecaoLi 2017-09-12T20:15:10Z